SolvIT Center Knowledge Base

 

Information becomes knowledge. Knowledge is power.

The easy-to-use SolvIT Center Knowledge Base is a self-learning, Web-based application that stores information about Puritan Bennett™ products and services. Browse through frequently asked questions listed by product, search the database for specific topics or ask a new question. The SolvIT Center offers several possible answers to questions or routes questions to the appropriate experts for a prompt response.

Puritan Bennett™ FAQ

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PB980

  • Parts & Accessories

    Parts & Accessories

    Q

    What is the part number and directions for use for the Adult/ Pediatric Single Patient Use (SPU)  Expiratory Filter for the 980 ventilator?

    A

    The part number for the Expiratory Single Patient Use filter for the 980 ventilator is 10043551.  The part number includes a case of 12 filters.  See attachment for Directions for Use (DFU).

    Q

    What is the part number for the Exhalation Flow Sensor (EVQ) on the 980 ventilator?

    A

    The part number for Exhalation Flow Sensor (EVO) on the 980 ventilator is 10097468

    Q

    What is the part number for the 980 ventilator Exhalation Flow Sensor (EVQ) Reprocessing Kit?

    A

    The part number for the 980 Ventilator EVQ Reprocessing Kit is 10086048. The part number contains a quantity of 12 kits.

    Q

    What is the part number for the 980 ventilator single patient use (SPU) Inspiratory Filter?

    A

    The part number for the 980 ventilator SPU Inspiratory filter is 4-074601-00. This part number includes 12 filters. The directions for use are attached.

    Q

    What is the part number for the 980 ventilator lithium/ion battery?

    A

    The part number for the 980 ventilator lithium/ion battery is 10086042.  The Material Safety Data Sheet (MSDS) attached below.

  • General Questions

    General Questions

    Q

    What is the current software or firmware for my ventilator?

    A

    For the current software or firmware of your ventilator please contact your local service representative.

    Q

    I had to replace the EVQ in the Puritan Bennett 980 ventilator during the SST due to a failed test.  The SST passed but when I power cycled the ventilator the Safety Valve Open message was displayed and said to run Flow Sensor Calibration.  Why did this occur?

    A

    If the Puritan Bennett 980 ventilator EVQ is replaced during an SST, the Flow Sensor Calibration must be run on the new EVQ or else the next time the vent is power cycled it will display "Invalid Flow Sensor Calibration.  Calibration Required"

    Q

    The touch screen on my Puritan Bennett 980 ventilator has become unresponsive.  How can I rectify this situation?

    A

    If the touch screen becomes unresponsive while on a patient the following steps can be followed to unlock the screen:

        1.  Touch the display lock key on the GUI bezel to lock the screen.  The locked padlock icon appears on the screen and the display lock key illuminates.

        2.  Touch the display lock key again.  Doing so displays a progress bar below the locked icon, after which time the locked icon will "unlock" indicating a successful GUI touch screen reset.

    Alternatively, ensure that the patient is not connected to the ventilator and power cycle the ventilator.

    Note:  Do not touch the screen during the unlock period.

PB 840

  • General Questions

    General Questions

    Q

    What is the current software or firmware version for my ventilator?

    A

    For the current software or firmware version of your ventilator please contact your local service representative.

    Q

    If a Puritan Bennett™ 840 ventilator is failing the PVT ground isolation check, how can I determine what the cause is?

    A

    If your Puritan Bennett™ 840 ventilator is not passing the PVT ground isolation check, you then need to look for a possible short. There is a complete description on testing this in the service manual, section 5.7.2.

     

    To begin the troubleshooting process, verify the resistance of the resistor that you are using. Then, one at a time, disconnect the humidifier, GUI, compressor and battery. If the problem persists, remove the inspiratory module, then expiratory module then power supply. Each step should narrow down the possible area where the short is.

    Q

    What is the part number for the BDU LED PCB?

    A

    See attachment. 

    Q

    How do I replace the battery in the new style Puritan Bennett™ 840 ventilator cart with compressor?

    A

    To replace the battery in the new style Puritan Bennett™ 840 ventilator cart with compressor, you need to follow the instructions in the repair section of the Puritan Bennett™ 840 service manual. There are step by step instructions in the 840 service manual starting in section 8.18.  

    Q

    What is the part number for the Puritan Bennett™ GUI top handle?

    A

    The part number for the Puritan Bennett™ 840 ventilator GUI top handle is 4-073008-00.

    Q

    What is the part number for the Puritan Bennett™ 840 GUI to BD cable?

    A

    The part number for the GUI to BD cable on the Puritan Bennett™ 840 ventilator is 4-075864-00.

    Q

    How do I run an EST on a Puritan Bennett™ 840 ventilator?

    A

    To run an EST on a Puritan Bennett™ 840 ventilator, you must get into the service mode and then locate the EST key in the lower lefthand quarter of the GUI screen. Please consult the service manual Section 3 (Self Tests) for complete instructions.

    Q

    Can a wet nebulizer used inline with the 840 ventilator circuit clog or block the exhalation side causing the ventilator to have high pressures or or otherwise malfunction?

    A

    There are a couple issues to be considered here when using a wet nebulizer placed inline with the Puritan Bennett™ 840 ventilator patient circuit.  First, extra volume will be introduced into the patient circuit that will be seen across the exhalation flow sensor, therefore, the frequency of violating associated monitoring alarms may be increased and the patient will have to be monitored more closely.  Second, depending upon the nebulized medication, there may be a higher chance of occluding the exhalation filter prematurely.  The following warning is denoted in the Puritan Bennett™ 840 ventilator Operators manual.

    "The use of nebulized medication can cause a build-up of exhalation flow resistance and may even block the
    expiratory filter. Inspect and test expiratory filters at patient setup and frequently while in use."

    Q

    What is the part number for the white filter on the dryer assembly for the Puritan Bennett™ 806 compressor?

    A

    The part number for the output filter on the dryer assembly for the Puritan Bennett™ 806 compressor is 4-076257-00.

    Q

    What is the part number for the foam filter on the Puritan Bennett™ 806 compressor?

    A

    The part number for the foam filter on the Puritan Bennett™ 806 compressor is 4-074374-00.

    Q

    Can I upgrade my Puritan Bennett™ 840 pole and compressor mount carts to the 4 hour battery?

    A

    Pole carts and Compressor carts for your Puritan Bennett™ 840 ventilator can be upgraded from the 1 hr. to the 4 hr. battery.

     

    Pole Cart needs the following P/Ns –

    ·         10045966 Label Kit

    ·         10041274 Battery 4hr.

     

    Compressor Cart needs the following P/Ns –

    ·         10045966 Label Kit

    ·         10030284 Battery 4hr.

     

    Note: The label kit comes with both the 1 hour and 4 hour labels.

    Q

    What is the part number for the new Wall Air Water Trap Kit for the 840 ventilator?

    A

    There are two kits available for the new wall air water trap for the Puritan Bennett™ 840 ventilator depending on the type of cart being used.

    For the new Pole or Compressor cart use kit part number 10001114.

    For the original (RTA) cart use kit part number 10001135.

    The installation instructions for these kits can be found in the attachments below.

    There is a service kit available for the new wall air water trap. The part number for the service kit is 10003692.  The service kit documentation is included in the attachments below.

    Q

    I just received an ECRI Alert, S0219, regarding the changes in the O2 calibration procedure on the Puritan Bennett™ 840 ventilator with the more recent version of software. What clarification can you offer regarding this alert?

    A

    We introduced enhancements to the NeoMode software upgrade for the Puritan Bennett™ 840 ventilator in July 2009 with the release of version AB software.  One of the enhancements affected a change to the functionality of the O2 cell calibration and is described in the attached document below.

    Please call Respiratory Technical Support at 1-800-255-6774 and at the prompt choose option 4 if you have any further questions.

    For further clarification regarding ECRI's Device Alert S0219, please contact ECRI at 610-834-1275.

    Q

    What are the part numbers for the batteries offered for the various models of the Puritan Bennett™ 840 ventilator?

    A

    Listed below are the battery part numbers for the Puritan Bennett™ 840 ventilator product offerings.

    840 Ventilator, Pole Mount Cart, 4 Hr. Battery - P/N 10045577

    840 Ventilator, Pole Mount Cart, 1 Hr. Battery - P/N 4-070523-SP

    840 Ventilator, Compressor Mount Cart, 4 Hr. Battery - P/N 10030284

    840 Ventilator, Compressor Mount Cart, 1 Hr. Battery - P/N 4-070523-SP

    840 Ventilator, 803 BPS, 4 Hr. Battery - P/N 10030284

    840 Ventilator, 802 BPS, 1 Hr. Battery - P/N 4-070523-SP

    Q

    Has there been a new software release for the Puritan Bennett™ 840 ventilator which supports the new GUI and BD CPU boards?

    A

    Yes, there has been a new software release for the Puritan Bennett™ 840 ventilator, which supports the new GUI and BD CPU boards.  This is explained in the attached letter and the related FAQ.

    Q

    How do I know what options are enabled on my 840 ventilator?

    A

    There are two ways to identify the options configuration on the Puritan Bennett™ 840 ventilator.

    First, look for the blue labels on the side panel of the 840 breath delivery unit, adjacent to the test button. These labels will have designations such as: BiLevel, TC, VV+ etc.

    Second, use the "Other Screens" soft-key displayed on the upper screen on the 840 GUI display. Once the "Other Screens" soft-key is touched, a second group of soft keys is displayed which includes "Ventilator Configuration." When that soft-key is touched, a list of all available software options will be displayed. Those options with the check-box checked are active in that 840 ventilator.

    Q

    What is the part number for the exhalation valve in the Puritan Bennett™ 840 ventilator?

    A

    The part number for the exhalation valve in the Puritan Bennett™ 840 ventilator is 4-076461-SP.

    Q

    What are the ranges for patient set-up parameters and measured values on the 840 ventilator?

    A

    The Puritan Bennett™ 840 ventilator's ranges, resolutions, and accuracies can be found in the Operators Manual Section A. More specific new patient/default settings can be found through out the Operators Manual depending upon chosen IBW, circuit type, and option(s) being used.

    There is a link to the Covidien webpage attached to reference the electronic copy of the manual.

    Q

    Has the GUI and BDU CPU boards on the Puritan Bennett™ 840 ventilator changed?

    A

    The redesigned GUI II CPU (P/N 10075675) and BD II CPU PCBs (P/N 10078888) have now been released for use in both new and existing 840 ventilators with Color GUI modules. This new GUI II CPU PCB will be built into all new 840s beginning in June 2011 with the BD II CPU to follow shortly thereafter. It is backwards compatible with all but the monochrome models of the 840, the existing boards will be used until that supply is exhausted.

    Due to functional changes on the new PCB, an updated revision of 840 ventilator software is required to support this new PCB. The new software can be used on an old platform board but the new board requires a minimum revision of software to operate. See table below for the minimum required software. Note: should an earlier version of 840 software be installed onto any TE board, that board must be replaced with a new board.

    Language

    Part Number

    Minimum Revision Required

    English – US Only

    4-070212-85

    Rev AF

    English – Non-US

    4-070000-85

    Rev AJ

    Spanish

    4-070201-85

    Rev AD

    French

    4-070202-85

    Rev AF

    German

    4-070203-85

    Rev AF

    Italian

    4-070204-85

    Rev AF

    Portuguese

    4-070205-85

    Rev AC

    Japanese

    4-070206-85

    Rev W

    Polish

    4-070208-85

    Rev N

    Russian

    4-070209-85

    Rev M

    There are no changes to the installation instructions.

    Also released to support the new PCBs is a new real time clock chip (part number 10078947). This part is only compatible with this new revision CPU PCBs.

    Q

    Are there updated assembly instructions for the pole mount cart of the 840 ventilator?

    A

    The updated assembly instructions for the pole mount cart of the 840 ventilator are attached.

    Note: This is an 18 MB file.

    Q

    There is a silver color "To Patient" port on my older 840 ventilators and a black one on the newer units. What is the difference?

    A

    Two versions of the gas output port (1) are installed on 840 ventilators:

    • The older (silver) version, suitable for 22 mm ISO connections only.

    • The current (black) version, a coaxial 15 mm/22 mm port, suitable for 22 mm or 15 mm/22 mm ISO connections, including the NeoMode patient circuit.

     

    To accommodate 15mm/22mm ISO connectors, a ventilator with silver gas output port must be serviced to install the current (black) version using part number, 4-076709-SP. To update a gas output port, contact your qualified Puritan Bennett™ service representative.

    Q

    Can I obtain the Wall Air Water Trap bracket for the new Pole Mount and/or Compressor Mount Carts for the Puritan Bennett™ 840 ventilator?

    A

    The part number for the Wall Air Water Trap Kit for the Pole Mount and Compressor Mount Carts for the Puritan Bennett™ 840 ventilator is 10045588.  The bracket for this Wall Air Water Trap is contained in the kit and is not sold separately.

    Q

    What are the part numbers for the brackets for the Fisher & Paykel and the ConchaTherm humidifiers for the RTA and the new pole and compressor mount carts for the 840 Ventilator?

    A

    The Puritan Bennett™ 840 ventilatorRTA cart, part number 4-076102-00 can accommodate both the Fisher & Paykel and the Hudson RCI ConchaTherm humidifiers. These brackets mount directly to the Breath Delivery Unit.

    • The part number for the Fisher and Paykel humidifier mounting kit. is 4-075313-00. (Note:This is for the RTA cart only)
    • The part numbers for the Hudson RCI ConchaTherm humidifier mounting kit is:
      • 4-075312-00, Humidifier Cover Plate
      • 386-82, Hudson Bracket - Concha III (Covidien product offering)

    Covidien/Puritan-Bennett has recently introduced the new Pole Mount and Compressor Mount carts for the 840 ventilator. These carts have different part numbers for mounting the Fisher & Paykel and Hudson RCI ConchaTherm humidifiers.

    • For the Compressor/Pole Cart the universal humidifier bracket is part number is 10045589. This however does not include the “mount” for F&P or Hudson.

    · The Fisher & Paykel“mount” that attaches to the universal bracket for both the Pole Mount and Compressor Mount Carts is 10081874 (Also available/cross referenced as 900MR086 if ordered directly from Fisher & Paykel, 1-800-446-3908.) Note that to mount an F&P Humidifier to a new Pole or Compressor Cart, both 10045589 and 10081874 are required.

    If you want to plug an F&P humidifier into the power outlet on the front of the BDU, the following parts are available to facilitate this connection:

    · The part number for the mounting plate F&P shroud kit is 10081785

    · The part number for the F & P shroud kit is 10081877

    Note: 10081875 and 10081877 should be ordered together. 

    In addition to the brackets described in my email below for F&P Humidifiers, we now have brackets in stock for Hudson Conchatherm Humidifiers. 

    To mount a Hudson Humidifier on the old black handle classic cart (also called the RTA cart),  order the following as needed:

    ·         p/n 386-82 HUDSON BRACKET Concha III, NPB840 

    ·         p/n 386-83 HUDSON BRACKET Concha IV, NPB840 

    ·         p/n 386-82 HUDSON BRACKET for Hudson Conchatherm Neptune Humidifiers

    ·         The outlet cover plate 4-075312-00 if they want to plug the humidifier into the BDU.  (Note this cover plate does not accommodate the splash shroud designed for F&P humidifiers).

    To mount a Hudson Concha III or Concha IV or Conchatherm Neptune Humidifier to the new Pole or Compressor Mount Carts you will need the following:

    ·         p/n 10045589 bracket for the new pole or compressor mount cart AND p/n 10081875 for the mounting plate that attaches to the bracket.    Note that p/n 10081875 includes the 386-40 bracket from Teleflex and screws to attach it.

    ·         The outlet cover plate 4-075312-00 if they want to plug the humidifier into the BDU.

    ·         Also note that Covidien p/n G-061603-00 is an old Hudson mount for the 700 series cart which has the same 386-40 bracket from Teleflex included, but may not have the right screws to attach the mount to the 10045589 bracket.

    Q

    I have just received my reusable ReX/800 filter and collector vial back from Central Supply and when assembled it feels loose. The 840 ventilator also fails the leak test in SST with this filter assembly. What could be the cause?

    A

    The ReX/800 and collector vial assembly should lock together securely.  If loose, the silicon seal may be missing.  The silicon seal is installed between the filter and the collector vial (see below).  If not installed, an 840 ventilator will most likely not pass the leak test in SST.  This silicon seal is orderable using part number 4-070311-00.

    Q

    Does the Puritan Bennett™ 840 ventilator have remote alarm (nurse call) capability?

    A

    The 840 ventilator has a nurse call output connection point (remote alarm) on the back of the GUI housing. (Attachment 1)

    There are two styles of GUI housings, a 10.4 (shown above) and a 9.4 which is similar except it only has one COM port adjacent to the nurse call connector. The pinout is the same for both nurse call connectors. The connector that mates with the 840 GUI nurse call connection point (used in fabricating a cable) is PN: G-061872-00. (Attachment 2)

    Q

    Is there a new cart for the Puritan Bennett™ 840 ventilator?

    A

    The Puritan Bennett™ 840 ventilator is now sold with a new compressor mount and pole mount cart.  You can read more about these product offerings in the attached sales brochure.

    Q

    Has the part number for the LCD display for the Puritan Bennett™ 840 10.4" Graphical User Interface changed?

    A

    A change has been made to the LCD display used in the 10.4” GUI display of the Puritan Bennett™ 840 ventilator. The new LCD, part number 4-078267-SP, operates the same as the previous model but is not interchangeable without the use of a new LCD flex circuit. This flex circuit is included in FRU kits built after February 12, 2008 and is also available separately as part number 10024490. The new display can be used in both new and old 10.4” GUI displays. The old display can continue to be used in older display models; however, it will be necessary to use the old flex circuit cable should an old display be used in a newer unit.  Refer to the service manual for installation instructions of the old LCD panel.

    Q

    How can I obtain the 840 Ventilator System User's Pocket Guide?

    A

    A hard copy of the 840 Ventilator System User's Pocket Guide can be ordered by calling Covidien Customer Service at 1-800-635-5267 and ordering part number VE07000 or simply click on the PDF file listed below.

    Q

    How can I obtain the 840 Ventilator Waveforms Pocket Guide?

    A

    A hard copy of the Puritan Bennett™ 840 Ventilator Waveforms Pocket Guide can be obtained by calling Covidien Customer Service at 1-800-635-5267 and ordering part number VE07100 or by simply clicking on the PDF file listed below.

    Q

    How can I obtain the assembly instrutions for new EMI cart for the 840 ventilator?

    A

    The PDF attachment below is the assembly instructions for the new EMI cart for the Puritan Bennett™ 840 ventilator.

    Q

    What is the easiest way to place a service call for my 840, 540 or 700 Series ventilators to be serviced in the field?

    A

    The easiest way to place a service call for your Puritan Bennett™ 840, Puritan Bennett™ 540 or Puritan Bennett™ 700 Series ventilators is to call our Nationwide Service Dispatch center at 1-800-672-2599.

    Hours of operation are from 5am to 4pm Pacific time.

    You can also enter your request online by clicking on the Submit a Question button located at the top of this FAQ.  Simply enter your demographical information, select the topic of Service and enter any detail in the text box supporting your reason for requiring field service. Once submitted, your request for field service will be responded to promptly.

    Note: This online functionality for requesting field service only applies to domestic US markets and the Puritan Bennett™ 840, 540, and 700 Series ventilators.

    Q

    Can I continue to order individual software for the Puritan Bennett 840 Ventilator?

    A

    Yes, you can continue to order individual software options for the Puritan Bennett 840 Ventilator.

    Q

    Can I continue to order the Puritan Bennett™ 840 ventilator?

    A

    Yes, you can continue to order the Puritan Bennett™ 840 ventilator.

    Q

    Does the Puritan Bennett™ 840 pediatric-adult ventilator come with the same warranty as the Puritan Bennett™ 840 ventilator?

    A

    Yes. The Puritan Bennett™ 840 pediatric-adult ventilator comes with a standard one-year warranty.

    Q

    Does the Extended Backup Power Source for the Puritan Bennett™ 840 ventilator come standard with the Puritan Bennett™ 840 pediatric-adult ventilator?

    A

    No. Carts, compressors, and extended battery power are optional hardware on all versions of the Puritan Bennett™ 840 ventilator.

    Q

    Does the 806 compressor for the Puritan Bennett™ 840 ventilator come standard with the Puritan Bennett™ 840 pediatric-adult ventilator?

    A

    No. Carts, compressors and extended battery power are optional hardware on all versions of the Puritan Bennett™ 840 ventilator.

    Q

    Does the new Compressor Mount Cart for the Puritan Bennett™ 840 ventilator come standard with the Puritan Bennett™ 840 pediatric-adult ventilator?

    A

    No. Carts, compressors and extended battery power are optional hardware on all versions of the Puritan Bennett™ 840 ventilator.

    Q

    How will I distinguish the Puritan Bennett™ 840 pediatric-adult ventilator from the Puritan Bennett™ 840 ventilator?

    A

    During installation and setup of the Puritan Bennett™ 840 pediatric-adult ventilator, a name plate will be applied to the GUI identifying it as the Puritan Bennett™ 840 pediatric-adult ventilator.

    Q

    If I upgrade my existing Puritan Bennett™ 840 ventilator to a Puritan Bennett™ 840 pediatric-adult ventilator, will my base-level software need to be upgraded?

    A

    Yes, depending on your existing base-level software version. A Puritan Bennett™ ventilator customer support engineer will need to upgrade your Puritan Bennett™ 840 ventilator to the latest base-level software release.

    Q

    Can I upgrade my existing Puritan Bennett™ 840 ventilator to a Puritan Bennett™ 840 pediatric-adult ventilator?

    A

    Yes, you are able to upgrade your existing Puritan Bennett™ 840 ventilator to a Puritan Bennett™ 840 pediatric-adult ventilator.

    Q

    Does NeoMode 2.0 come standard with the Puritan Bennett™ 840 pediatric-adult ventilator?

    A

    No. However, if you are interested in expanding the capabilities of the Puritan Bennett™ 840 pediatric-adult ventilator to include neonates, you may be more interested in our Puritan Bennett™ 840 universal ventilator.

    Q

    How do I order a Puritan Bennett™ 840 pediatric-adult ventilator?

    A

    To order a Puritan Bennett™ 840 pediatric-adult ventilator contact your local sales representative, who will place an order for the Puritan Bennett™ 840 ventilator and add the promotional code for the Puritan Bennett™ 840 pediatric-adult ventilator option.

    Q

    How large of a leak must be detected during the circuit leak test in the SST on a 840 ventilator before an alert is declared? How large must the leak be before a failure is declared?

    A

    During the circuit leak test in the SST if the 840 ventilator detects a pressure drop equal to or greater than 5 cmH2O during the first 10 seconds then an alert will be declared.  If the detected pressure drop  is equal to or greater than 30 cm H2O in the first 10 seconds then a failure will be declared.  These specifications apply to both adult and neo SST.

    Q

    Are there installation instructions available for assembling the new Puritan Bennett™ 840 cart?

    A

    The attachment below contains the new 840 ventilator cart assembly instructions.

    Q

    When should the oxygen sensor be changed in the Puritan Bennett™ 840 ventilator?

    A

    The oxygen sensor, part number 10097559 on the Puritan Bennett™ 840 ventilator (formerly P/N: 4-072214-00) and the 700 series ventilators (formerly G-062010-00) should now be changed annually, or as necessary, rather than every two years as previously stated. 

    The oxygen sensors on the Puritan Bennett™ 840 ventilator and the 700 series ventilators are interchangeable.

    The new oxygen sensor, part number 10097559, is not approved for use with the PTS2000.

    Note:   The new oxygen sensor must not be installed past the expiration date, "expiry date," "do not use after" date, or "install by" date on the sensor packaging.

    Q

    How do I connect the Philips Intellibridge to the Puritan Bennett™ 840 ventilator?

    A

    In order to connect the Philips Intellibridge to the Puritan Bennett™ 840 ventilator for proper communication it requires English-US Only revision AD or equivalent operating software be present in the Puritan Bennett™ 840 ventilator. Then it is as simple as selecting Communication Setup and changing the DCI communication port to Philips.

    Q

    How can I obtain the assembly instructions for the 840 ventilator RTA cart?

    A

    The attachment in this FAQ provides the assembly instructions for the RTA cart for the 840 ventilator.

    Q

    Can you please explain why the tidal volume as reported by my EMR is different than the tidal volume as shown on my 840 ventilator?

    A

    There are multiple factors involved if the tidal volume of your Puritan Bennett™ 840 ventilator is different than your hospital EMR: The hospital’s health record system and the command being used to obtain data from the 840. The 840 has two basic data commands, SNDA and SNDF.  Both of which transmit a snapshot in time when requested, so the number sent to the Electronic Record is whatever it happens to be at the time.  The SNDA command which it appears the Electronic Record is using transmits exhaled tidal volume in liters with two places to the right of the decimal point.  So in the case presented, 528 mL would be transmitted as 0.53 Liters which if then displayed in mL on the Electronic Record system would show 530.  The SNDF command from the 840 transmits exhaled tidal volume in liters but with three decimals to the right of the decimal point.  If the data was requested using this command, the same 528 displayed on the 840 would be 528 on the Electronic Record system.

    Q

    Can the 840 ventilator in NIV mode be used with a vented full face mask?

    A

    There is a warning in page 27 of the attached 840 ventilator Software Enhancements Addendum that states to use only non-vented patient interfaces when using NIV mode.

    Q

    Will the 840 work with an infant tubing circuit that is rated for neonatal and pediatric patients? Will it pass SST?

    A

    There are infant tubing circuits available that are rated for patients’ body weight covering a range that includes neonatal and pediatric patients. The Puritan Bennett™ 840 ventilator can be set up for use on either a neonatal (0.5-7.0 kg) or pediatric (7.0-24kg) patient.  This is accomplished by running the appropriate SST with the corresponding filter and tubing circuit. The tubing circuits chosen for these modes are different diameters and the filters are different sizes, which have pressure and compliance ranges.  

     

    When an SST is run, the test has specifications built in to verify that the filters resistances and tubing circuit compliances are with the expected ranges. These ranges exist to ensure patient safety.    

     

    If the tubing circuit is too large or small or the inappropriate filter is attached, the SST can fail due to circuit leak, resistance or compliance

    Q

    How do I run an EST on an 840 ventilator? The EST mode was entered accidentally and now the vent is in the Vent Inop mode.

    A

    Once EST has been chosen and started on the 840 ventilator system, the entire series of tests must be completed and passed before the unit will return to normal ventilation mode. Any unexpected early termination of EST will be logged as a failure of EST and the entire EST will need to be rerun and passed.

    The sequence to enter EST on the 840 Ventilator System is accessed during power up.  The service switch on the left-hand side of the BDU is pressed and released during the momentary pause in the audible tone during POST.  Once at the Service screen, choose the EST button and follow the prompts.  You will need the gold standard tubing (4-018506-00) and a stopper that fits into the "To Patient" port in order to run a successful EST. Once the EST passes, the Vent In-op condition will be cleared.

    Q

    Does the 840 ventilator have a remote alarm package available? I would like to have an alarm interface that is both audible and visual (a simple light bulb would work) outside the patient room.

    A

    Puritan Bennett does not offer a remote alarm package for the 840 ventilator. However, the 840 ventilator does offer the capability for sending signals to a remote monitor.  By utilizing remote alarm connector (P/N: G-061872-00) your facility can fabricate an interface cable connecting the remote alarm port located on the rear of the GUI to a nurse call system. The pinout of this connector is listed below.  Additionally, the 840 provides 9-pin RS-232 ports that can be interfaced with bedside monitoring systems.  Again, Puritan Bennet does not provide these cables.  Please visit Appendix E on page OP E-1 in your 840 Operator's manual for further information.

    Q

    What should be considered when using an external nebulizer on an 840 ventilator?

    A

    See attachment.

    Q

    What would be the reason for receiving a low inspiratory pressure alarm in VC+ on the 840 ventilator?

    A

    There are several reasons a low inspiratory pressure alarm would be posted on the 840 ventilator while in the VC+ mode.

    First and foremost would be a leak has been detected.  This leak must be identified and rectified in order to eliminate the low inspiratory pressure alarm.

    The second reason for a low inspiratory pressure alarm in VC+ would be the patient's demand is higher than the set tidal volume.  The patient is "out stripping" the ventilator.  At this point the tidal volume should be increased until the low inspiratory pressure alarm has been eliminated.

    Finally, the low inspiratory pressure alarm itself may be set too high.  This parameter should be reviewed and set appropriately.

    Q

    When should the O2 sensor be calibrated on the 840 ventilator?

    A

    Clinically the following should be should be adhered to when determining the O2 cell calibration frequency. See attached files.

    Q

    Which brand of neonatal/pediatric reusable breathing circuits do you recommend to use with the 840 ventilator? Can we use only one circuit with neonate and pediatric?

    A

    Puritan Bennett™ recommends using only a neonatal patient circut in conjunction with the NeoMode software option and the NeoMode hardware on the 840 ventilator. Pediatric circuits are not recommended for use with the NeoMode software option.

    The following patient circuits are recommended for use with the 840 ventilator. Puritan Bennett™ does not offer a reusable neonatal patient circuit.

    See attachments.

    Q

    The inspiratory and expiratory bacteria filters for the 840 Ventilator have low and high pressure resistance specifications. How can I test for these resistances?

    A

    The inspiratory and expiratory bacteria filter resistances are tested while running SST on the 840 ventilator.

     

    Acceptable resistance for inspiratory filters:

    • Filter resistance of 4 cmH20 (4 hPa) or less at 60 L/min flow or 0.5 cmH20 (0.5 hPa) or less at 30 L/min flow can indicate a ruptured filter. Discard the filter.

    • Filter resistance greater than 4 cmH20 at 100 L/min flow or greater than 2 cmH20 (2 hPa) at 30 L/min flow can indicate an occluded filter.


    For reusable filters, autoclave and check the resistance again. For single-patient use filters, discard and replace with a new filter.

     

    Acceptable resistance for expiratory filters:

    • Filter resistance of 0.6 cmH20 (O.6 hPa) or less at 60 L/min flow or 0.3 cmH20 (0.3 hPa) or less at 30 L/min flow can indicate a ruptured filter. Discard the filter.

     

    • Filter resistance greater than 2.4 cmH20 (2.4 hPa) at 60 L/min flow or 1.2 cmH20 (1.2 hPa) at 30 L/min flow can indicate an occluded filter.


    For reusable filters, autoclave and check the resistance again. For single-patient use filters, discard and replace with a new filter.

    Q

    What is the recommended frequency for changing the disposable Neonatal D-X800 Expiratory Filter on the 840 ventilator between patients?

    A

    The recommended frequency for changing the disposable Neonatal D-X800 Expiratory Filter, pn 4-076408-00, on the Puritan Bennett™ 840 ventilator between patients is after 15 days of use, or sooner if visibly damaged.

    Please reference the attached Directions for Use for further detail.

    Q

    We needed to place a patient on inverse ratio (2:1) and were unable to do that. The manual that came with the 840 ventilator did not address the situation as far as we could tell. Please walk me through the steps of inversing the ratio. I thought we had to do it in A/C mode. Other people thought in P/C mode. On P/C, the I/E varied with each breath. That is not what we wanted.

    A

    Inverse ratios can be acheived using the 840 ventilator by selecting these parameters in the Setup screen:  A/C mode, Mandatory Breath Type of PC selected.

    On the next screen you will need to select the "un-lock" and then select I:E Ratio as your constant timing variable.

    See attachments.

    Q

    With VC+ on the 840 ventilator, after setting rise time, I time, peak flow and added vt in the A/C mode, are only the spontaneous breaths augmented with the added settings or are all breaths augmented with increased rise time and I time?

    A

    In A/C mode on the 840 ventilator only mandatory, pressure-controlled breaths are augmented.

    The Volume Ventilation Plus option for 800 Series ventilators allows the ventilator to deliver pressure-based breath with a target tidal volume. Volume Ventilation Plus includes two breath types: 


    1. VC+ (volume control plus), a mandatory, pressure-controlled breath type for A/C or SIMV mode.

    2. VS (volume support), a spontaneous, pressure-supported breath type for SPONT mode.

    Please reference the attached VV+ Option addendum for additional information.

    Q

    How do I test digital ground isolation on the Puritan Bennett™ 840 ventilator?

    A

    This check verifies that the digital ground has not been disrupted in the Puritan Bennett™ ventilator. It requires a DMM, test leads, and a 1K ohm resistor placed in parallel between the leads.

    Specific instruction on how to perform this test can be found in the Performance Verification section of the 840 Service Manual.

    Q

    When choosing to ventilate pediatric patients with an adult circuit on the 840 ventilator, what circuit type should be specified at SST?

    A

    When choosing to ventilate pediatric patients with an adult circuit on the Puritan Bennett™ 840 ventilator, the circuit type specified at SST is dependent upon Ideal Body Weight (IBW) of the patient.  In the case specified above, the choice to ventilate a pediatric patient with an Adult Patient Circuit type is allowed but not recommended.  The Operator's and Technical Reference Manual states

    Q

    If the 840 goes into apnea while using NCPAP in NIV, will it automatically reset when it senses a spontaneous breath?

    A

    If the Puritan Bennett 840 ventilator goes into apnea ventilation while using NCPAP in non-invasive ventilation mode (NIV), it will automatically reset when the patient triggers two consecutive inspirations, and the exhaled volume is equal to or greater than 50% of the delivered volume (including any compliance volume).

    The Operator's and Technical Reference Manual states:

     

    Apnea ventilation is intended as a backup mode of ventilation when

    there is no patient inspiratory effort. Apnea ventilation can be reset

    to normal ventilation by the operator (manual reset) or the patient

    (autoreset). It is also reset when a rate change is made that renders

    apnea ventilation inapplicable.

    If the patient regains inspiratory control, the ventilator returns to

    the operator-selected mode of non-apnea ventilation. The ventilator

    determines whether the patient has regained respiratory control by

    monitoring triggered inspirations and exhaled volume. If the patient

    triggers two consecutive inspirations, and the exhaled volume is

    equal to or greater than 50% of the delivered volume (including any

    compliance volume), the ventilator resets to non-apnea ventilation.

    Exhaled volume is monitored to avoid resetting due to

    autotriggering caused by large leaks in the patient circuit.

    Q

    How do I reset my 840 compressor hours and serial number after replacing my compressor PCB?

    A

    Only a Puritan Bennett™ Customer Service Engineer (CSE) can reset this information in the 840 ventilator compressor. However, if you need to replace your compressor PCB, then you can transfer this information over to the new PCB by following this procedure below and paying particular attention to the Note:

    Q

    I've just performed a 15K PM on my 806 compressor for my 840 ventilator. How do I reset compressor clock hours?

    A

    After performing a 15K PM on the Puritan Bennett 806 compressor on the Puritan Bennett 840 ventilator, the only action for documenting compressor clock hours is to perform the following

    Q

    How is O2 sensor calibration performed on the Puritan Bennett™ 840 ventilator?

    A

     

    The procedure for calibrating the O2 sensor in the Puritan Bennett™ 840 ventilator can be found in the operator's manual. This procedure is listed below:

     

    See attachment.

    Oxygen sensor calibration

     

     

     

    The ventilator performs a single-point oxygen sensor calibration during the 100% suctioning procedure (that is, when you press the 100% O2/CAL 2 min key or INCREASE O2 2 min key), allowing you to calibrate the oxygen sensor frequently without having to disconnect the patient. If the oxygen sensor calibration fails, the ventilator declares an O2 SENSOR alarm that resets when the ventilator successfully calibrates the oxygen sensor. The ventilator’s oxygen sensor is always active unless you disable it. The 100% O2 Calibration function can be initiated from the INCREASE O2 2 min key if the O2 setting is 80% or above if you are using the NeoMode software option, or from the More Settings screen, at any oxygen concentration. To perform an oxygen sensor calibration from the More Settings screen:

    1. Touch the OTHER SCREENS button on the lower GUI, then touch the MORE SETTINGS button.

     

     

    2. Touch the O2 sensor button and turn the knob to select Calibration, and press ACCEPT. The progress indicator appears on the screen. The O2 sensor setting will remain at the setting that existed before calibration (Disabled or Enabled). During Oxygen Sensor calibration, the INCREASE O2 2 min LED is turned OFF.

     

    Oxygen sensor calibration test

    Test the oxygen sensor calibration as follows:

    1. Connect the ventilator’s oxygen hose to a known 100% O2 source (for example, a medical-grade oxygen cylinder). Press the 100% O2/CAL 2 min key or the INCREASE O2 2 min key to calibrate the oxygen sensor. Proceed to the next step once the key light turns off.

    2. Connect the ventilator oxygen hose to another known 100% O2 source (for example, a second medical-grade oxygen cylinder).

    3. Set O2% to each of the following values, and allow one minute after each for the monitored value to stabilize:

    21%

    40%

    90%

    4. Watch the upper screen to ensure the value for O2 (delivered O2%) is within 3% of each setting within one minute of selecting each setting.

    Q

    What is the part number for the 806 Compressor Water Trap Assembly?

    A

    The part number for the 806 Compressor Coalescing Filter Assembly (Water Trap Assembly) is 4-079067-SP

    Q

    What are the cleaning & sterilization instructions for the Re/Flex™ and Re/X800™ filters used on the 840 ventilator?

    A

    The attachment below contains the cleaning & sterilization instructions for the Re/Flex and Re/X800 filters used on the Puritan Bennett™ 840 ventilator.

    The D/Flex and D/X800 filters are single patient use, disposable filters and cannot be cleaned or sterilized.

    Q

    What are the cleaning instructions for the 840 ventilator reusable Re/X800 expiratory filter?

    A

    Please reference the attached document containing the cleaning instructions for the resusable Re/X800™  Expiratory Bacteria Filter and Drain System for the 840 ventilator

    Q

    Can the SensorMedics Vmax metabolic monitor be used with the 840 ventilator? What is the best way to configure?

    A

    The SensorMedics Vmax metabolic monitor can be used successfully with the 840 ventilator.  Please reference the attached procedure for optimal configuration.

     

    Q

    Should Pressure Support on the Bilevel mode on the 840 ventilator be set above the Peep-low level? Example: Peep-low is +5 and the Doctor orders a PSV of 10, so do we set the pressure support to 15?

    A

    See attachment.

    Q

    When setting flow sensitivity on the Puritan Bennett™ 840 ventilator, which is more sensitive to patient efforts: 8/3 or 8/5?

    A

    When setting flow sensitivity (Vsens) on the Puritan Bennett™ 840 ventilator, the smaller the number the more sensitive to patient efforts.

    Q

    How does the mandatory breathe delivery differ in NIV and Invasive settings while in SIMV? Other than leak compensation is there any other benefit with NIV versus Invasive settings for uncuffed endotracheal ventilation?

     

    A

    The mandatory breath delivery in SIMV for the 840 ventilator is the same in both NIV and Invasive modes. The difference is the patient interface: Non-vented Full-face Mask, Non-vented Nasal Mask, Uncuffed Neonatal ETT, or Infant Nasal Prongs (pages 24-25, Software enhancements Addendum -- attached). NIV does not offer leak compensation but you may adjust the Flow Sensitivity to increase or decrease the bias flow through the circuit to maintain PEEP. The greatest advantage with NIV vs Invasive ventilation is the change to the alarms.  Dsens (pages 28,30, and 32 in the Addendum) can be turned OFF and an adjustable Low Circuit Pressure Alarm (pages 24 and 26, Addendum) is available.  This helps to negate most nuisance alarms when using NIV versus Invasive modes.

     

    Q

    How does the mandatory breathe delivery differ in NIV and Invasive settings while in SIMV? Other than leak compensation is there any other benefit with NIV versus Invasive settings for uncuffed endotracheal ventilation?

     

    A

    The mandatory breath delivery in SIMV for the 840 ventilator is the same in both NIV and Invasive modes. The difference is the patient interface: Non-vented Full-face Mask, Non-vented Nasal Mask, Uncuffed Neonatal ETT, or Infant Nasal Prongs (pages 24-25, Software enhancements Addendum -- attached). NIV does not offer leak compensation but you may adjust the Flow Sensitivity to increase or decrease the bias flow through the circuit to maintain PEEP. The greatest advantage with NIV vs Invasive ventilation is the change to the alarms.  Dsens (pages 28,30, and 32 in the Addendum) can be turned OFF and an adjustable Low Circuit Pressure Alarm (pages 24 and 26, Addendum) is available.  This helps to negate most nuisance alarms when using NIV versus Invasive modes.

     

    Q

    Is the pressure support setting on the 840 Ventilator PEEP compensated?

    A

    See attachment.

    Q

    What is the method to disable the oxygen cell on the 840 Ventilator?

    A

    The Puritan Bennett™ 840 Ventilator allows you to enable/disable the oxygen (O2) sensor. The following will explain how to enable/disable the O2 sensor: 

    Can the optional 806 Compressor used on the 840 Ventilator run 24x7?

    Q

    Can the optional Puritan Bennett™ 806 compressor used on the Puritan Bennett™ 840 ventilator run 24x7?

    A

    The optional 806 compressor used on the 840 ventilator is designed to provide a continuous source of uninterupted air supply in the event of a loss of a wall air source.

     

    Q

    Is there a quick setup guide available for using Noninvasive Ventilation (NIV) Mode on the Puritan Bennett™ 840 ventilator?

    A

    The set up card for Noninvasive Ventilation (NIV) Mode on the Puritan Bennett™ 840 ventilator can be obtained from your Covidien Account Executive. Please call Covidien customer service for contact information at (800) 635-5267.  The part number for the set up card is VE13005

     

    For more in-depth detail about using NIV, please review the Software enhancements addendum which contains the NIV information. A PDF copy can be found at http://www.nellcor.com/serv/Manuals.aspx.

     

    Q

    How long will the backup power supply (BPS) last for sourcing the Puritan Bennett™ 840 ventilator?

    A

    The Puritan Bennett™ 840 ventilator 802 BPS has been rated at 60 minutes of operating time for a new, fully charged battery on units built after July 2007.  This is due to the reduced power consumption from the LCD panels and the increased capacity of the internal battery.  Units built before July 2007 are rated for 30 mnutes operating time

     

    Actual duration will depend on ventilator settings, battery age and level of battery charge.  The internal battery will automatically recharge in 8 hours when connected to AC power.

     

    Shelf life of the internal battery is 24 months from the date of manufacture.

    Q

    What type of battery is used in the backup power supply (BPS) for the 840 ventilator?

    A

    There are currently 2 types of batteries available for the 840 ventilator. A fully charged 802 BPS provides at least 60 minutes (30 minutes on ventilators built prior to July 2007) of backup power to the ventilator. It contains two +12V lead acid batteries and a 15A fuse (Figures 2-51 & 2-53). A fully charged 803 BPS provides at least four hours of backup power to the ventilator (Figure 2-52).    

     

    When the ventilator power swith (S1) is on, the BPS provides a +19V to +30V supply voltage to the power supply.

    Q

    What is required to perform the Ground Isolation Check on the 840 ventilator?

    A

    See Attachment.

    Q

    What is the part number for the 840 Ventilator shipping kit?

    A

    The part number for the Puritan Bennett™ 840 ventilator shipping kit is:

     

    Ventilator packaging  10005152

    806 Compressor packaging 10071681

    Q

    What is the part number for the flex arm used on the Puritan Bennett™ 700 Series and 840 ventilators?

    A

    The part number for the flex arm used on the Puritan Bennett™ 700 Series and Puritan Bennett™ 840 ventilator is 4-032006-00.

    Q

    Where can I find specification information for the Puritan Bennett™ 840 ventilator?

    A

    A complete list of specification information for the Puritan Bennett™ 840 ventilator can be found in the Service Manual. For the most current revision of the service manual order part number 10067703 or download the PDF version which can be found at: 

    http://www.medtronic.com/covidien/support/product-manuals

    Q

    Where can I find a listing of orderable accessories for the Puritan Bennett™ 840 ventilator?

    A

    You can find a listing of orderable accessories for the Puritan Bennett™ 840 ventilator by clicking the Related Links below.

    http://www.puritanbennett.com/_Catalog/PDF/Product/840VentilatorSystem.pdf

    Q

    What nebulizer / aerosol delivery options are available for the 840 Ventilator?

    A

    The nebulizer / aerosol delivery option available for the Puritan Bennett™ 840 ventilator is the Aeroneb Pro nebulizer.  This is an ultra-sonic nebulizer.  For further information click the Related Links below.

    http://www.medtronic.com/covidien/products/acute-care-ventilation

    Q

    What is the part number for the 840 GUI nurse call connector?

    A

    The part number for the 840 GUI nurse call connector is G-061872-00.

    Q

    What is the part number for the rotor on the Puritan Bennett™ 840 ventilator rear GUI housing for both the 10.4" and the 9.4" display?

    A

    The part number for the rotor on the 840 ventilator rear GUI housing is the same for both the 9.4" and 10.4" display.  The part number is 4-073019-00.

     

    Q

    What is the part number for the oxygen sensor for the 840 Ventilator?

    A

    The part number for the oxygen sensor for the Puritan Bennett™ 840 ventilator and the Puritan Bennett™ 700 Series ventilators has changed:

     

    Substitution

     

    Oxygen sensor 4-072214-00 and G-062010-00 (Figure 1) are equivalent and interchangable for use in the 840, 760/740/ and PTS2000™

     

    See attachment 1.

     

     

    An alternate oxygen sensor, P/N 10097559 (Figure 2) has been released and is approved for the use as a direct replacement for any 740, 760, or 840 Ventilator oxygen sensor.

     

    See attachment 2.

     

     

    Note: This oxygen sensor is not approved for use with the PTS2000

     

     

    Replacement Frequency

     

    The recommended replacement frequency for the oxygen sensor 10097559, 4-072214-00, and G-062010-00 is one (1) year from the date of sensor installation or sooner if necessary.

     

    Note: New oxygen sensors must not be installed past the expiration date, "expiry date", "do not use after" date, or "install by" date on the sensor package. 

     

    Q

    What is the part number for the 10.4" GUI keyboard on the 840 Ventilator?

    A

    The part number for the 10.4" GUI keyboard on the 840 Ventilator is 10004512.

    Q

    What is the part number for the 9.4" GUI keyboard on the 840 ventilator?

    A

    The part number for the 9.4" GUI keyboard on the 840 ventilator is 4-075834-SP.

    Q

    What is the part number for the reusable expiratory filter (Re/X800) for the Puritan Bennett™ 840 ventilator?

    A

    The part number for the Re/X800™ Expiratory Bacteria Filter (reusable) for Puritan Bennett™ 840 ventilators is 4-070305-00.  This is for the filter only (upper half of picture.)

    A collector vial, 4-074647-00, is orderable seperately but is required to complete the filter assembly (lower half of picture.) 

    Q

    What is the part number for the mounting plate and expiratory filter for the Puritan Bennett™ 840 ventilator NeoMode option?

    A

    The part numbers for the mounting plate and expiratory filter for the Puritan Bennett™ 840 ventilator NeoMode option are:

    Q

    What is the part number for the disposable Neomode expiratory filters for the 840 ventilator?

    A

    The part number for the disposable Neomode expiratory filters is 4-076408-00.  They come in a case of 12.

    Q

    What is the part number for the disposable inspiratory filter for the 840 ventilator?

    A

    The part number for the disposable inspiratory filter for the 840 Ventilator is 4-074601-00.

    Q

    What is the part number for the reusable inspiratory filter (Re/Flex) for the 840 ventilator?

    A

    The part number for the reusable inspiratory filter (Re/Flex) for the 840 Ventilator is 4-074600-00.  For more information click the Related Links below.

     

    Q

    What is the part number for the disposable patient circuit for the 840 ventilator?

    A

    Presently Puritan Bennett™ does not manuacture or sell a disposable circuit for the Puritan Bennett™ 840 ventilator.

     

    Q

    What is the factory warranty for the Puritan Bennett™ 840 ventilator?

    A

    The factory warranty for the Puritan Bennett™ 840 ventilator is as stated on your purchacing agreement.

    To obtain information about a warranty, if any, contact Covidien Technical Services at 1.800.635.5267 or your local representative.

     

    Q

    What is the part number for the e-cylinder bracket for the 840 Ventilator cart to mount an air and/or oxygen tank for transport?

    A

    There are three styles of Puritan Bennett™ 840 Ventilator carts. The part number for the e-cylinder bracket for the original Puritan Bennett 840 Ventilator cart to mount either an air and/or oxygen tank for transport is 4-070770-00. 

     

    The newer carts have part numbers for the e-cylinder bracket, depending upon the cart configuration.

    The Puritan Bennett 840 compressor mount cart, e-cylinder bracket part numbers is: 10045586

    The Puritan Bennett 840 pole mount cart, e-cylinder bracket part numbers is: 10045578.    

    Two brackets will be required if mounting both air and oxygen.

    Q

    Why is it that despite having the PAV+ software option installed on our Puritan Bennett™ 840 ventilator we notice at times (intermittently) the PAV+ software option is not available? What could cause this?

    A

    It is important to keep in mind that despite having the PAV™* + Software option installed on the Puritan Bennett™ 840 ventilator, the PA breath type is only available when:

    • Patient circuit type is ADULT
    • Mode is set to SPONTANEOUS
    • Ventilation type is INVASIVE
    • ET tube size is >6.0

    If any of the above conditions are not met even with the PAV+ software option installed, the PA breath type will not be available for selection.

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada.  Used under license)

    Q

    What maneuvers are included in the new Respiratory Mechanics (RM) software option for the Puritan Bennett™ 840 ventilator that are different from what's been available for the Puritan Bennett™ 7200 Series ventilator?

    A

    The three new maneuvers included in the new Respiratory Mechanics (RM) software option for the Puritan Bennett™ 840 ventilator that are different from what's been available for the Puritan Bennett™ 7200 Series ventilator are:

    • Negative Inspiratory Force (NIF)
    • Occlusion Pressure (P0.1)
    • Vital Capacity (VC)

    Q

    Which performance indicators are automatically calculated and displayed by the new Respiratory Mechanics (RM) software option for the Puritan Bennett™ 840 ventilator?

    A

    The five new performance indicators automatically calculated and displayed by the new Respiratory Mechanics (RM) software option for the Puritan Bennett™ 840 ventilator are:

    • Dynamic Compliance (Cdyn)
    • Dynamic Resistance (Rdyn)
    • End Expiratory Flow (EEF)
    • Peak Spontaneous Flow (PSF)
    • Peak Expiratory Flow (PEF)

    Q

    In what breathing modes can the Respiratory Mechanics (RM) maneuvers be accessed on the Puritan Bennett™ 840 ventilator?

    A

    Respiratory Mechanics (RM) maneuvers can be accessed in all breathing modes on the Puritan Bennett™ 840 ventilator except BiLevel™, and are not available during the following conditions:

    • Apnea Ventilation
    • Safety pressure control ventilation (PCV)
    • Occlusion Status Cycling (OSC)
    • Non-invasive Ventilation (NIV)
    • When the circuit type is Neonatal
    • When another RM maneuver has already taken place during the same breath

    Q

    Are there any alarm conditions that would cause the Respiratory Mechanics (RM) maneuvers on the Puritan Bennett™ 840 ventilator to be cancelled automatically?

    A

    The alarm conditions on the Puritan Bennett™ 840 ventilator that would cause the Respiratory Mechanics (RM) maneuvers to be cancelled automatically are:

    • Ppeak alarm
    • Pvent alarm
    • VtiSPONT
    • VtiMAND
    • Vti

    Q

    What is the NIF maneuver in the Respiratory Mechanics (RM) software option for the Puritan Bennett™ 840 ventilator?

    A

    The NIF maneuver in the Respiratory Mechanics (RM) software option of the Puritan Bennett™ 840 ventilator is also known as maximum inspiratory force, or MIF.  This is a coached maneuver that occurs while both the inspiratory valve and the expiratory valve are held closed by the practitioner and the patient is coached to take a maximal inspiratory breath. The pressure generated by the patient is recorded and displayed both graphically and numerically.

    Please reference the attached RM option addendum for further detail.

    Q

    What is the Occlusion Pressure maneuver in the Respiratory Mechanics (RM) software option of the  Puritan Bennett™ 840 ventilator?

    A

    The Occlusion Pressure maneuver in the Respiratory Mechanics (RM) software option of the  Puritan Bennett™ 840 ventilator is also known as P100, P0.1 or "P-oh-one".  This is the pressure generated by the patient’s diaphragm during the first 100 milliseconds (ms) of inspiration. It is an estimation of the neuromuscular drive to breath. The pressure generated by the patient is recorded and displayed both graphically and numerically.

    Please reference the attached RM option addendum for further detail.

    Q

    What is the Vital Capacity maneuver in the Respiratory Mechanics (RM) software option of the Puritan Bennett™ 840 ventilator?

    A

    The Vital Capacity maneuver in the Respiratory Mechanics (RM) software option of the Puritan Bennett™ 840 ventilator is a coached maneuver where the patient is coached to draw in a maximal inspiration then fully exhale.  It is a measurement of how much volume the patient can exhale when prompted. The exhaled VC is recorded and displayed both graphically and numerically.

    Please reference the section Vital Capacity Manuever in the attached RM option addendum for further detail.

  • Respiratory Mechanics

    Respiratory Mechanics

    Q

    What changes have taken place with the 840 DCI output for PAV+? Have the MISCA fields changed? Will the 840 make available Compliance and Resistance numbers?

    A

    There have been several new fields added to the Puritan Bennett™ 840 ventilator SNDA command as well as a new command to support PAV™* + Software option -- please reference attached data from the software enhancement addendum for the 840 Operator's manual. With the latest software release (US revision V), additional fields have been added which includes fields for all 840 PAV+ and Respiratory Mechanics (RM) software option settings, alarms & patient data. Both dynamic and static resistance and compliance values are now transmitted in response to the SNDA command as well as the new SNDF command.

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    What maneuvers are included in the new Respiratory Mechanics(RM) software option for the Puritan Bennett 840 ventilator that are different from what's been available for the Puritan Bennett 7200 Series ventilator?

    A

    The three new maneuvers included in the new Respiratory Mechanics (RM) software option for the Puritan Bennett 840™ ventilator that are different from what's been available for the Puritan Bennett 7200 Series ventilator are:

    • Negative Inspiratory Force (NIF)
    • Occlusion Pressure (P0.1)
    • Vital Capacity (VC)

    Q

    Which performance indicators are automatically calculated and displayed by the new Respiratory Mechanics (RM) software option for the Puritan Bennett 840 ventilator?

    A

    The five new performance indicators automatically calculated and displayed by the new Respiratory Mechanics (RM) software option for the Puritan Bennett 840™ ventilator are:

    • Dynamic Compliance (Cdyn)
    • Dynamic Resistance (Rdyn)
    • End Expiratory Flow (EEF)
    • Peak Spontaneous Flow (PSF)
    • Peak Expiratory Flow (PEF)

    Q

    In what breathing modes can the Respiratory Mechanics (RM) maneuvers be accessed on the Puritan Bennett 840 ventilator?

    A

    Respiratory Mechanics (RM) maneuvers can be accessed in all breathing modes on the Puritan Bennett 840™ ventilator except BiLevel™, and are not available during the following conditions:

    • Apnea Ventilation
    • Safety pressure control ventilation (PCV)
    • Occlusion Status Cycling (OSC)
    • Non-invasive Ventilation (NIV)
    • When the circuit type is Neonatal
    • When another RM maneuver has already taken place during the same breath

    Q

    Are there any alarm conditions that would cause the Respiratory Mechanics (RM) maneuvers on the Puritan Bennett 840 ventilator to be cancelled automatically?

    A

    The alarm conditions on the Puritan Bennett 840™ ventilator that would cause the Respiratory Mechanics (RM) maneuvers to be cancelled automatically are:

    • Ppeak alarm
    • Pvent alarm
    • VtiSPONT
    • VtiMAND
    • Vti

    Q

    What is the NIF maneuver in the Respiratory Mechanics (RM) software option for the Puritan Bennett 840 ventilator?

    A

    The NIF maneuver in the Respiratory Mechanics (RM) software option of the Puritan Bennett 840™ ventilator is also known as maximum inspiratory force, or MIF.  This is a coached maneuver that occurs while both the inspiratory valve and the expiratory valve are held closed by the practitioner and the patient is coached to take a maximal inspiratory breath. The pressure generated by the patient is recorded and displayed both graphically and numerically.

    Please reference the attached RM option addendum for further detail.

    Q

    What is the Occlusion Pressure maneuver in the Respiratory Mechanics (RM) software option of the Puritan Bennett 840 ventilator?

    A

    The Occlusion Pressure maneuver in the Respiratory Mechanics (RM) software option of the Puritan Bennett 840™ ventilator is also known as P100, P0.1 or "P-oh-one".  This is the pressure generated by the patient’s diaphragm during the first 100 milliseconds (ms) of inspiration. It is an estimation of the neuromuscular drive to breath. The pressure generated by the patient is recorded and displayed both graphically and numerically.

    Please reference the attached RM option addendum for further detail.

    Q

    What is the Vital Capacity maneuver in the Respiratory Mechanics (RM) software option of the Puritan Bennett 840 ventilator?

    A

    The Vital Capacity maneuver in the Respiratory Mechanics (RM) software option of the Puritan Bennett 840™ ventilator is a coached maneuver where the patient is coached to draw in a maximal inspiration then fully exhale.  It is a measurement of how much volume the patient can exhale when prompted.  The exhaled VC is recorded and displayed both graphically and numerically.

    Please reference the section Vital Capacity Manuever in the attached RM option addendum for further detail.

    Q

    How are the Respiratory Mechanics (RM) maneuvers accessed on the Puritan Bennett 840 ventilator?

    A

    The Respiratory Mechanics (RM) maneuvers on the Puritan Bennett 840™ ventilator can be found by selecting the OTHER SCREENS button on the lower screen of the GUI. You can tell if RM is installed on your machine because the letters “RM” appear on this button.

    Q

    What is Dynamic Compliance (Cdyn) and Dynamic Resistance (Rdyn) in the Respiratory Mechanics (RM) software option of the Puritan Bennett 840 ventilator?

    A

    Dynamic Compliance (Cdyn) and Dynamic Resistance (Rdyn) in the Respiratory Mechanics (RM) software option of the puritan Bennett 840™ ventilator measures the compliance and resistance of the patient’s lungs and chest wall. The measurements of Cdyn and Rdyn indicate the impedance characteristics of the lungs, chest wall and conducting airways. Changes in either of these values may reveal changes in the elastic properties of the lung and/or chest wall or in the ability of the conducting airways to accommodate a particular flow of gas.

    Please reference the attached RM software option addendum under Technical Discussion / Respiratory Mechanics Calculations for further detail.

    Q

    What is Peak Expiratory Flow (PEF) rate in the Respiratory Mechanics (RM) software option for the Puritan Bennett 840 ventilator?

    A

    Peak Expiratory Flow (PEF) rate in the Respiratory Mechanics (RM) software option for the Puritan Bennett 840™ ventilator is the maximum flow rate observed during exhalation, excluding the first 100 milliseconds of data. PEF can be used as an indicator of obstructed airways.

    Q

    What is End Expiratory Flow (EEF) rate in the Respiratory Mechanics (RM) software option for the Puritan Bennett 840 ventilator?

    A

    End Expiratory Flow (EEF) rate in the Respiratory Mechanics (RM) software option of the 840™ ventilator is the rate of expiratory flow that occurs at the end of exhalation and can be used to determine whether expiratory time is adequate to prevent gas trapping and intrinsic PEEP.

    Q

    What is Peak Spontaneous Flow (PSF) rate in the Respiratory Mechanics (RM) software option for the Puritan Bennett 840 ventilator?

    A

    Peak Spontaneous Flow (PSF) rate in the Respiratory Mechanics (RM) software option for the Puritan Bennett 840™ ventilator is the maximum inspiratory flow rate sampled during a spontaneous inspiration. It is a good predictor of impending air hunger and helps the clinician set peak flow rate or choose an optimum level of pressure support.

    Q

    Do you have a specification sheet and ordering information for the Respiratory Mechanics (RM) software option for the Puritan Bennett 840 ventilator?

    A

    Please reference the attached specification sheet and ordering information for the Respiratory Mechanics (RM) software option for the Puritan Bennett 840™ ventilator.

  • 803 BPS

    803 BPS

    Q

    Is there a new BPS model for the Puritan Bennett 840 Ventilator?

    A

    As part of ongoing platform improvements for the 800 Series Ventilator, an optional four-hour battery has been released. The 803 BPS can be substituted for the model 802 BPS and is backwards compatible to all existing carts, original and RTA styles. The instructions for mounting the 803 BPS are provided with each BPS. When installing the BPS, the ventilator must be upgraded to English, US-Only, 4-070212-85 Rev AB or equivalent.

    Note: The recharge time for the battery of the 803 BPS is 20 hours.

  • Leak Compensation 

    Leak Compensation 

    Q

    Can I add the leak compensation feature to my existing Puritan Bennett 840 ventilator?

    A

    Yes, as with all upgrades that have been released, the Leak Compensation software option can be added to your existing Puritan Bennett™ 840 ventilator.

    Q

    Will the base-level software in my 840 ventilator need to be upgraded when adding the leak compensation feature?

    A

    Yes, a Puritan BennettTM ventilator customer support engineer will need to upgrade your Puritan Bennett™ 840 ventilator to the latest base-level software release.

    Q

    Is the leak compensation feature for the 840 ventilator sold separately?

    A

    Yes.  The leak compensation feature for the Puritan Bennett™ 840 ventilator is sold separately.

    Q

    What does the symbol V LEAK stand for, with the 840 ventilator leak compensation feature?

    A

    Inspiratory Leak Volume – this is the amount of the total volume that is leaking out of the circuit displayed in milliliters.

    Q

    What does the symbol %LEAK stand for with the 840 ventilator Leak Compensation feature?

    A

    Percent Leak – this is the amount of the total volume that is leaking out of the circuit displayed as a percentage.

    Q

    What does “LEAK@PEEP” in the upper screen of the 840 ventilator mean with the Leak Compenstion feature?

    A

    This is the leak rate measure in L/min at the set PEEP level. 

    Q

    What does the symbol V TL stand for in the 840 ventilator Leak Compensation feature?

    A

    Estimated Lung Volume – this is an estimation of how much volume is reaching the lung after the leak is measured. This symbol is present only during pressure-targeted breaths.

    Q

    How do I know that the 840 ventilator Leak Compensation software is enabled?

    A

    There are three ways to tell the Leak Compensation software is enabled:

       1. The letters “LC” flash in an alternating fashion with the mode selection indicator in the lower screen.

       2. The Leak Compensation button reads “ENABLED.”

       3. The More Patient Data screen (clipboard on upper screen) displays leak-related information such as Estimated Lung Volume, Leak Rate at PEEP, Percent Leak, and Inspiratory Leak Volume.

    Q

    Why do I see the word “Leak Detected” on the 840 ventilator when I access the Respiratory Mechanics maneuvers and Leak Compensation is enabled (NIF, P 0.1 and VC)?

    A

    This means the Leak Compensation software is enabled and has discovered a leak.

    Q

    With the Leak Compensation software ENABLED on my 840 ventilator, a large leak developed and the ventilator declared CIRCUIT DISCONNECT instead of compensating for the leak. Why?

    A

    When the Leak Compensation software is ENABLED, the primary condition for declaring CIRCUIT DISCONNECT is met when the actual leak rate (measured in L/min) exceeds the Disconnect Sensitivity setting. For example, if the Disconnect Sensitivity is set at 5 L/min and the actual leak rate is 6 L/min, then CIRCUIT DISCONNECT is declared. On the other hand, if the Disconnect Sensitivity is set at 5 L/min and the actual leak rate is 4 L/min., then the leak is compensated for. Default values are pre-set for Disconnect Sensitivity depending upon the patient circuit type selected during SST. Inadvertent CIRCUIT DISCONNECT alarms can be avoided by increasing the Disconnect Sensitivity setting.

    Q

    When ventilating a patient while using the Neomode™ software option on the 840 ventilator, a leak develops and the Leak Compensation software failed to eliminate the auto-cycling. Why?

    A

    When leak rate measurements fall within the measuring error of the flow sensor, it is possible that the leak will remain undetected by the ventilator. This can occur with the extremely low flow rate encounter while ventilating neonates. This is typically resolved with a slight increase in the Flow Sensitivity setting.

    Q

    A large leak is present with Leak Compensation enabled on the 840 ventilator. I disconnected the patient from the ventilator and CIRCUIT DISCONNECT was appropriately declared. However, when I reconnected the circuit, the ventilator remained in a CIRCUIT DISCONNECT state and did not return to normal ventilation. Why?

    A

    When the Puritan Bennett™ 840 ventilator is not connected to a patient, it enters idle mode during which time it is delivering flow at a rate of 15 L/min to the circuit. This flow is intended to allow the ventilator to recognize when the circuit has been connected (flow returns and circuit pressurizes). In the case of a leak that exceeds the idle flow, the ventilator may not be able to recognize that it has been reconnected. This is resolved by pressing the ALARM RESET button immediately after reconnecting the patient.

    Q

    When using Leak Compensation on the 840 ventilator, the measured leak rate does not exceed the DSENS setting but the ventilator has enunciated a CIRCUIT DISCONNECT alarm. Why?

    A

    The Puritan Bennett™ 840 ventilator declares CIRCUIT DISCONNECT when the actual leak exceeds the DSENS or when the End Inspiratory Pressure drops below the set PEEP value. The latter can be resolved by increasing the inspiratory flow rate or by changing the inspiratory flow pattern from RAMP to SQUARE. Both of these changes tend to increase End Inspiratory Pressure.

    Q

    How do I turn on the Leak Compensation software on the 840 ventilator?

    A

    Locate the Other Screens button on the lower portion of the GUI (fourth button from the left). If the letters “LC” appear in the top left corner of this button then the Leak Compensation software has been installed on this 840™ ventilator. Select this button then touch the More Settings button. The Leak Compensation button then appears in the lower right portion of the screen. Select this button and turn the rotary encoder knob so the word ENABLED appears. Then press the ACCEPT key

    Q

    Which modes will the 840 ventilator Leak Compensation feature not support?

    A

    The Puritan Bennett™ Leak Compensation software option on the 840™ ventilator is available for all modes and breath types with the exception of Volume Control Plus (VC+), Volume Support (VS), Tube Compensation (TC), and Proportional Assist (PA).

    Q

    Which modes on the 840 ventilator will Leak Compensation support?

    A

    The Puritan Bennett™ Leak Compensation software option on the 840™ ventilator will work in both invasive and noninvasive ventilation for neonates through adults. The applicable modes are: Assist Control, Synchronous Intermittent Mandatory Ventilation (SIMV), Spontaneous (SPONT) and BiLevel.

    Q

    What is the maximum size leak that 840 ventilator Leak Compensation feature will compensate for?

    A

    The Leak Compensation software on the 840™ ventilator automatically adjusts for leaks up to 10 lpm for neonates, 40 lpm for pediatric patients and 65 lpm for adults. The maximum allowable leak rate at PEEP pressure is determined by the operator by setting the Disconnect Sensitivity setting.

    Q

    What types of patients will Leak Compensation for the 840 ventilator work with?

    A

    The Puritan Bennett™ 840 ventilator Leak Compensation (LC) option is designed to compensate for leaks in the breathing circuit during noninvasive or invasive ventilation. The LC option accurately quantifies instantaneous leak rates, therefore detecting patient respiratory phase transitions correctly and reducing patient work of breathing. The LC option is intended for neonatal, pediatric, and adult patients.

    Q

    How does the Puritan Bennett™ Leak Compensation software option for the 840 ventilator work?

    A

    The Puritan Bennett™ Leak Compensation software option automatically detects, measures, and compensates for the effects of leaks on ventilation triggering, cycling, and Spirometry. This helps maintain patient-ventilator synchrony and prevents auto triggering or prolonged cycling when the leak exceeds the threshold, minimizing the “guesswork” in determining the appropriate settings to compensate for a leak, regardless of patient type.

     

    The Puritan Bennett™ Leak Compensation software option compensates for leak flows in pressure-based breaths both during inhalation as well as exhalation; however, it does not make up for lost delivered volume during VCV inhalations. The Puritan Bennett Leak Compensation software option adds the necessary additional flow into the breathing circuit to optimize breath triggering and cycling functions as well as maintaining the set PEEP. The Leak Compensation software option will also display clinically valuable leak-related parameters for consideration by the clinician such as the leak rate at PEEP during exhalation, the percent of total delivered volume attributed to the leak, and the total volume delivered during inspiration to compensate for the leak.

  • NeoMode

    NeoMode

    Q

    Can I continue to order individual software for the Puritan Bennett 840 Ventilator?

    A

    Yes, you can continue to order individual software for the Puritan Bennett 840 Ventilator.

    Q

    Can I continue to order the Puritan Bennett 840 Ventilator?

    A

    Yes, you can continue to order the Puritan Bennett 840 Ventilator.

    Q

    Does the Puritan Bennett 840 Neonatal Ventilator come with the same warranty as the Puritan Bennett 840 Ventilator?

    A

    Yes. The Puritan Bennett 840 Neonatal Ventilator comes with a standard one-year warranty.

    Q

    Does the Extended Backup Power Source for the Puritan Bennett 840 Ventilator come standard with the Puritan Bennett 840 Neonatal Ventilator?

    A

    No. Carts, compressors and extended battery power are optional hardware on all versions of the Puritan Bennett 840 Ventilator.

    Q

    Does the 806 Compressor for the Puritan Bennett 840 Ventilator come standard with the Puritan Bennett 840 Neonatal Ventilator?

    A

    No. Carts, compressors and extended battery power are optional hardware on all versions of the Puritan Bennett 840 Ventilator.

    Q

    Does the new Pole Cart for the Puritan Bennett 840 Ventilator come standard with the Puritan Bennett 840 Neonatal Ventilator?

    A

    No. Carts, compressors and extended battery power are optional hardware on all versions of the Puritan Bennett 840 Ventilator.

    Q

    How will I distinguish the Puritan Bennett 840 Neonatal Ventilator from the Puritan Bennett 840 Ventilator?

    A

    During installation and setup of the Puritan Bennett 840 Neonatal Ventilator a name plate will be applied to the GUI identifying it as the Puritan Bennett 840 Neonatal Ventilator.

    Q

    If I upgrade my existing Puritan Bennett 840 Ventilator to a Puritan Bennett 840 Neonatal Ventilator, will my base-level software need to be upgraded?

    A

    Yes, depending on your existing base-level software version. A Puritan Bennett Ventilator customer support engineer will need to upgrade your Puritan Bennett 840 Ventilator to the latest base-level software release.

    Q

    Can I upgrade my existing Puritan Bennett 840 Ventilator to a Puritan Bennett 840 Neonatal Ventilator?

    A

    Yes you can upgrade your existing Puritan Bennett 840 Ventilator to a Puritan Bennett 840 Neonatal Ventilator.

    Q

    Is a Proximal Flow System included with the Puritan Bennett™ 840 Neonatal Ventilator?

    A

    At this time the Proximal Flow System is not available with the Puritan Bennett™ 840 Neonatal Ventilator.

    Q

    How do I order a Puritan Bennett 840 Neonatal Ventilator?

    A

    To order a Puritan Bennett 840 Neonatal Ventilator contact your local sales representative, who will place an order for the Puritan Bennett 840 Ventilator and add the promotional code for the Puritan Bennett 840 Neonatal Ventilator Option.

    Q

    Will my base-level software need to be upgraded when upgrading my NeoMode option to NeoMode 2.0 Purtan Bennett 840 ventilator?

    A

    Yes, a Covidien customer support engineer will need to upgrade your Puritan Bennett 840 ventilator to the latest base-level software release when upgrading to the new NeoMode 2.0 software option.

    Q

    Can I add the Neo Mode 2.0 software to my existing Puritan Bennett™ 840 ventilator?

    A

    Yes, this is an upgrade to the current NeoMode software option for the Puritan Bennett 840 ventilator. You can add this feature to your existing Puritan Bennett 840 ventilator by upgrading the NeoMode software option.

    Q

    Will there be a change to the 100% O2 button on the keyboard when upgrading my 840 ventilator to the NeoMode 2.0 software option?

    A

    Yes, when upgrading your Puritan Bennett 840 ventilator to the NeoMode 2.0 software option a “20%” sticker will be placed over the existing 100% O2 button.

    Q

    Can I still use apnea ventilation in NIV Neo CPAP on my Puritan Bennett 840 ventilator?

    A

    Yes, you can still use apnea ventilation on your Puritan Bennett 840 ventilator, in NIV Neo CPAP, by simply selecting an apnea interval from 10 to 60 seconds.

    Q

    What other alarm changes in my Puritan Bennett 840 ventilator are included in NIV Neo CPAP?

    A

    When upgrading your Puritan Bennett 840 ventilator to the new NeoMode 2.0 software option the exhaled volume alarms were removed to reduce nuisance alarms, and a low-pressure alarm was added to maintain monitoring alerts for low pressure.

    Q

    What is NIV Neo CPAP in the Puritan Bennett 840 ventilator?

    A

    Neonates breathing noninvasively with nasal prongs typically provide no measurable exhaled volume. This can trigger nuisance alarms, which can lead clinicians to make modifications to the ventilator settings. NIV Neo CPAP, in the Puritan Bennett 840 ventialtor, is a new approach—selectable under mode type—that allows you to turn off apnea detection to reduce nuisance alarms.

  • PAV +

    PAV +

    Q

    Why is it that despite having the PAV+ software option installed on our 840 ventilator we notice at times (intermittently) the PAV+ software option is not available? What could cause this?

    A

    It is important to keep in mind that despite having the PAV™* + Software option installed on the 840™ ventilator, the PA breath type is only available when:

    • Patient circuit type is ADULT
    • Mode is set to SPONTANEOUS
    • Ventilation type is INVASIVE
    • ET tube size is >6.0

    If any of the above conditions are not met even with the PAV+ software option installed, the PA breath type will not be available for selection.

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada.  Used under license)

    Q

    Concerning the WOB bar in PAV+ on the 840 ventilator, does "WOB pt" also consider minute ventilation or just the resistive & elastic components of WOB?

    A

    The WOBpt on the Work Of Breathing bar in PAV™* + Software on the Puritan Bennett™ 840 ventilator does not use minute ventilation. It uses both patient inspiratory volume and inspiratory flow in its calculation. WOBpt does indeed take into account the resistive and elastic components of WOB (see page 22 in PAV+ addendum -- attached below).

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    Are the resistance & compliance measurements with the PAV+ option on the 840 ventilator calculated with "least square fitting"/Linear regression? If so, why can't this be used in all modalities so I don't have to switch to a square wave form to receive a resistance measurement?

    A

    The Puritan Bennett™ 840 ventilator ventilator PAV™* + Software does not use Least Squares Estimation to calculate/estimate the patient resistance Rpav or the compliance Cpav.  PAV+ applies a pause maneuver at the end of selected inspirations to provide information the software needs to estimate Rpav and Cpav. Cpav is then converted into elastance Epav (see page 24 in PAV+ addendum -- attached below).

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    Concerning the "Work of Breathing" (WOB) bar when using PAV+ on the 840 ventilator: Does WOB total include "External Resistance" /apparatus resistance & artifical airway resistance? Secondly, in theory, if WOB total includes the artificial airway resistance and if Tube compensation is set @ 100% compensation would you see this perceived WOB in the bar? Or is it removed since you're compensating for 100% for the artifical airway?

    A

    When using PAV™* + Software on the Puritan Bennett™ 840 ventilator, the WOBtotal includes the work of the patient plus the work of the ventilator (page 21; Table 7 in PAV+ addendum -- attached below). Tube Compensation is not available while in PAV+as PAV+ already takes into account the resistive forces of the ET/Trach tube when you input tube size. That is why it is imperative to input the correct tube size at startup (see: NOTE; page 19, Table 6 in PAV+ addendum). Also see: Technical Description on page 23; Equation 1, Resistive elements R = artificial plus patient airways.

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    Can Tube Compensation (TC) be used at the same time as PAV+ on the 840 ventilator?

    A

    Tube Compensation™ Software (TC) is not available while in PAV™* + Software on the Puritan Bennett™ 840 ventilator as PAV™* + Software already takes into account the resistive forces of the ET/Trach tube when you input tube size. That is why it is imperative to input the correct tube size at startup (see: NOTE; page 19, Table 6 in PAV™* + Software addendum -- attached below).

    Q

    What changes have taken place with the 840 DCI output for PAV+? Have the MISCA fields changed? Will the 840 make available Compliance and Resistance numbers?

    A

    There have been several new fields added to the Puritan Bennett™ 840 ventilator SNDA command as well as a new command to support PAV™* + Software option -- please reference attached data from the software enhancement addendum for the 840Operator's manual. With the latest software release (US revision V), additional fields have been added which includes fields for all 840 PAV+ and Respiratory Mechanics (RM) software option settings, alarms & patient data. Both dynamic and static resistance and compliance values are now transmitted in response to the SNDA command as well as the new SNDF command.

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    Can a wet nebulizer (non-ultrasonic) be put in to the circuit when using PAV+ on the 840 ventilator? Won’t the added flow disrupt the calculations that it’s getting to establish Pmus? Are we then limited to MDI or ultrasonic with PAV+?

    A

    You are correct -- a wet nebulizer (non-ultrasonic) cannot be placed into the circuit when using PAV™* + Software on the Puritan Bennett™ 840 ventilator. The PA algorithm won’t know what to do with the extra flow.  Therefore, the use of MDI or ultrasonic nebulizer is recommended.

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    What values for C and R in PAV+ should clinicians expect to see on the 840 ventilator?

    A

    Normal ranges or values for C and R in PAV™* + Software clinicians should expect to see on the Puritan Bennett™ 840 ventilator are Indications for Weaning:            

      Normal Ranges Indications for Weaning
    Compliance 50-100 cmH20 > 25 cmH20
    Resistance 2-5 cmH20/L/s < 15 cmH20/L/s

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    Since PAV+ measures C and R on the 840 ventilator, does this eliminate runaway, or does it just make it less likely?

    A

    Runaway (when leaks or overestimations of lung R or E cause inaccurate feedback to result in over-inflation, or over-pressurization) is unique to PAV™* + Software on the Puritan Bennett™ 840 ventilator. In PSV, the lung may be over-pressurized by the selection for PSUPP, but runaway is not an issue. In PAV+, the situation is completely different. As the patient inhales, PAV+ applies a calculated pressure appropriate for each incremental level of PMUS. Now, at each level of inflation of the lung there is a real E (E[t]LUNG) and a real V (V[t]LUNG). The pressure applied by the ventilator increment of inflation is given by %Support (in decimal format, such as 0.01 to 0.95) x (V[t]LUNG ESTIMATED x ELUNG ESTIMATED). Recognize that we have actual values and the values that the PAV+ algorithm estimates for ELUNG and V[t]LUNG. It might be instructive to write the expression for the insufflation of the lung and the opposing recoil pressure of the lung:

    S x (V[t]LUNG ESTIMATED x ELUNG ESTIMATED)       1  (V[t]LUNG x E[t]LUNG)

    Inflating Pressure                                                                          Recoil Pressure

    As long as the recoil pressure > inflating pressure, inflation proceeds smoothly. Low values of %Support mean that the inflating pressure rarely, if ever, exceeds the recoil pressure, and hence the lung remains stable. But if S (%Support) is high (@ 85% or greater), and our estimates for V[t]LUNG and/or ELUNG are greater than true, the inflating pressure may exceed the recoil pressure, causing runaway.

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    There is a lot of talk about using PAV+ noninvasively. Will PAV+ work with the 840 ventilator’s NIV option?

    A

    In theory, PAV™* + Software should be applicable in NIV and in APRV. However, the issue in NIV is gas leakage. In order to use PAV+ with NIV, we must have a way to estimate the gas that the Puritan Bennett™ 840 ventilator delivers, but does not flow into the patient. If we cannot account for the leak, PAV+ interprets that the patient flow is greater than it really is. The result is incorrect servo control. As a result, at the present time, PAV+ cannot be used for NIV (or for APRV).

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    Can you address how PAV+ triggers on inspiration and exhalation on the 840 ventilator?

    A

    Remember that PAV™* + Software on the Puritan Bennett™ 840 ventilator servo controls itself to PMUS. This means that the ventilator cannot act in the absence of a forcing signal, which comes from the patient. In essence, the inspiratory trigger signal tells the ventilator to wake up and pay attention to the patient (PMUS). The more sensitive the setting is for triggering, the more false triggers will be detected.

    By convention, it is assumed that the end of inspiration coincides with flow by crossing the “zero” line. But flow is a “measured” variable, and errors in the estimation may mean that observed zero flow may not be zero flow as seen from the position of the respiratory control center.

    In order to perfect inspiratory triggering, the sensitivity on PAV+ was set, and the same with exhalation. The brain is not negatively impacted if inspiration is declared a little early. By leading the end of inspiration by a few ms, more time is allowed for exhalation, which means better gas exchange for the patient.

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    Why is a log scale used in PAV+ on the 840 ventilator to amplify the output?

    A

    The function of PAV™* + Software on the Puritan Bennett™ 840 ventilator is to perform inspiratory work that the patient cannot do. The crucial understanding is to recognize that the respiratory control center determines the necessary minute ventilation (rate and tidal volume). PAV does not dictate volume. Adequate %Support means that the respiratory center can command the desired minute ventilation. Once these “rules” are put into play, the patient combines his/her PMUS with the synchronous pressure generated by the ventilator to create the desired insufflation pressure. As the %Support is increased above the “adequate” setting, the patient must down-regulate his/her PMUS to prevent the VT from exceeding the value targeted by the respiratory control center. It is here (adequate support to excess support) that the nonlinearity of the %Support becomes evident. With each increasing increment of %Support, PMUS must decrease if VT is to remain controlled to the desired level by the respiratory control center. However, PMUS cannot vanish or the system would be meaningless. As PMUS becomes smaller and smaller, the system eventually becomes unstable because the PMUS signal becomes lost in the noise. Somewhere before this point, the maximum useful%Support is determined. With PAV+, that maximum is 95%

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    What is the part number for the PAV+ option on the 840 ventilator?

    A

    The part number for the PAV™* + Software option on the Puritan Bennett™ 840 ventilator is:

     4-078203-00  PAV+ Option Kit

    Please see the attached PAV+ brochure for further information.

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    How is intrinsic PEEP (PEEPI) determined in PAV+?

    A

    The calculation of PEEPI in PAV™* + Software on the Puritan Bennett™ 840 ventilator is only an estimate at best, but if end-expiratory flow does not equal zero at the beginning of the next inspiration, there has to be some PEEPI. An algorithm in PAV+examines expiratory flow and expiratory pressure just before the patient triggers the next breath. From these data it derives an estimate for PEEPI.

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    How fast will support pressure change in PAV+ when the operator increases it or decreases it?

    A

    In PAV™* + Software on the Puritan Bennett™ 840 ventilator, support pressure change will increase a maximum of 10% every other breath when increased by the operator, and it will decrease completely to the new set value on the next breath when decreased by the operator.

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    What is the purpose of the High Pressure Compensation Alarm in PAV+?

    A

    The High Pressure Compensation Alarm in PAV™* + Software on the Puritan Bennett™ 840 ventilator is designed to protect the patient from over-ventilation. The function of the PCOMP limit was redesigned subsequent to Canadian field evaluations. The PCOMP limit is violated by one of two conditions:

    • an abrupt aggressive inspiration,
    • or by a “flow runaway” when %Support is set to high values (@ or greater than 85%).

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    How long is the automated plateau in PAV+ and how was that time established?

    A

    In PAV™* + Software on the Puritan Bennett™ 840 ventilatorthe limit for the pause time is 300 ms. More time would yield more valid values for the estimates of C and RLUNG, but at much over 300 ms the respiratory control center begins to activate the abdominal muscles, thereby corrupting the estimates for C and RLUNG. As a result, 300 ms is the limit for the pause time.

     

    The issue of plateau time was discussed and examined in great detail. Dr. Magdy Younes, the inventor of PAV, recommended 300 ms to cover all patients. Some could get by with 200 ms and others would need 400 ms. During the Phase-2 studies in Europe, Puritan Bennett’s modified 840 ventilator allowed plateau settings to vary between 200 and 1000 ms. Around 400 ms we observed patients bucking the plateau. This convinced us that Dr. Younes’ suggestion of a universal 300 ms was a good approach. In many patients we could see that 300 ms was really not sufficient for a clean plateau, but again, the plateau eats into the expiratory time, which has its consequences too. When all was said and done, it was determined that 300 ms was the best solution.

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    When using PAV+, what happens to support pressure if, during a measurement, you get invalid values for compliance or resistance?

    A

    The PAV™* + Software option on the Puritan Bennett™ 840 ventilator continues to ventilate using the last valid measurement values. It continues to schedule pause breaths every 4–10 breaths, feeding the next valid estimate into the PAV+ algorithm. If the algorithm receives no valid new estimates for 45 minutes, it annunciates an alarm condition.

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    Why is the software option on the 840 ventilator called PAV+?

    A

    Previous work with proportional assist ventilation (PAV) did not include automatic measurements of lung compliance (calculated elastance) and airway resistance. The new PAV™* + Software software option on the Puritan Bennett™ 840 ventilator from Covidien features a sophisticated algorithm (the "Plus") that continuously measures compliance (C) and resistance (R) every 4-10 breaths and the calculated values are fed back to the system for proper flow adjustments.

     

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

    Q

    How does PAV+ calculate resistance on the 840 ventilator?

    A

    The PAV™* + Software in the Puritan Bennett™ 840 ventilator evaluates pressures and flows during early exhalation. Values of airway pressure and flow are matched every few milliseconds (ms), allowing the software to correlate the corresponding pressure gradient between the lung and the patient wye, and the resulting flow. By dividing this pressure gradient by the corresponding flow, PAV+ is able to compute the total resistance across the patient’s airways and the artificial airway. Since the size of this airway is already known, the estimated resistance of the artificial airway is subtracted from the estimate of the total resistance. This yields an estimate of the patient’s resistance. It is assumed that the patient’s resistance is linear, whereas the resistance of the artificial airway is a function of the square of the flow.

    (™* Proportional Assist and PAV are trademarks of The University of Manitoba, Canada. Used under license)

HT70+

  • Parts and Accessories

    Parts and Accessories

    Q

    What is the part number for the air intake filter of the Newport™ HT70 ventilator?  

    A

    The part number for the air intake filter for the Newport™ HT70 ventilator is HT460300.  This comes in a package of 5 filters.

    Q

    What are the part numbers for the batteries of the Newport HT70 ventilator?  

    A

    The part numbers for the batteries for the Newport HT70 ventilator are:

    BAT3271A - Removable/Swappable Power Pac

    BAT3205A - Emergency Backup Battery Pac

    BAT3207P - Lithium Coin Battery

     BAT3302A - External Battery

    Q

    What is the part number for the external battery charger of the Newport™ HT70 ventilator?  

    A

    The part number for the external battery charger for the Newport™ HT70 ventilator is:

    CHG3313P - External Battery Charger

    Q

    What is the part number for the auto lighter power adaptor of the Newport™ HT70 ventilator?  

    A

    The part number for the auto lighter power adaptor for the Newport™ HT70 ventilator is

    ADP3203P - DC Auto Lighter Power Adaptor 

    Q

    What is the part number for the disposable exhalation valve of the Newport™ HT70 ventilator?   

    A

    The part number for the disposable exhalation valve for the Newport™ HT70 ventilator is:

    EXH3204P - Disposable Exhalation Valve with 84 inch drive tubing

    Q

    What are the part numbers for the reusable exhalation valve of the Newport™ HT70 ventilator?   

    A

    The part numbers for the reusable exhalation valve for the Newport™ HT70 ventilator are:

    EXH3203P - Reusable Exhalation Valve (Individual)

    KIT3203A - Reusable Exhalation Valve Kit with 54 inch drive tubing

    Q

    What is the part number for the air and oxygen blender/mixer of the Newport™ HT70 ventilator?  

    A

    The part number for the air and oxygen blender/mixer for the Newport™ HT70 ventilator is

    MXL70A-GR-DS - Air and Oxygen Blender/Mixer

    Q

    What are the part numbers for the disposable filters of the Newport HT70 ventilator?  

    A

    The part numbers for the disposable filters for the Newport HT70 ventilator are.

              FLT3302P-C - Disposable Bacteria filter, 40 per case

                FLT3302P - Disposable Bacteria filer, Individual

    Q

    What is the part number for the O2 sensor on the Newport HT70ventilator?

    A

    The part number for the O2 sensor on the Newport HT70 ventilator is

              SEN2103P

  • General Questions

    General Questions

    Q

    What is the current software or firmware for my ventilator?

    A

    For the current software or firmware of your ventilator please contact your local service representative.

e360

  • Parts and Accessories

    Parts and Accessories

    Q

    What are the part number for the exhalation flow sensor of the Newport™ e360 ventilator?  

    A

    The part numbers for the exhalation flow sensor for the Newport™ e360 ventilator are

    FLS2101P - Exhalation Flow Sensor (Individual).

    FLS2101P-C - Exhalation Flow Sensor ( Pack of 5)

    Q

    What is the part number for the internal battery of the Newport™ e360 ventilator?  

    A

    The part number for the internal battery for the Newport™ e360 ventilator is

              BAT2100S

    Q

    What is the part number for the external battery of the Newport™ e360 ventilator?  

    A

    The part number for the external battery for the Newport e360 ventilator is.

              BAT3302A

    Q

    What is the part number for the external battery charger of the Newport™ e360 ventilator?  

    A

    The part number for the external battery charger for the Newport™ e360 ventilator is

              CHG3313P - External Battery Charger

    Q

    What is the part numbers for the disposable filters of the Newport e360 ventilator?  

    A

    The part numbers for the disposable filters for the Newport e360 ventilator is.

              FLT1801Q-C

    Q

    What is the part number for the O2 sensor on the Newport e360ventilator?

    A

    The part number for the O2 sensor on the Newport e360 ventilator is

              SEN2103P

  • General Questions

    General Questions

    Q

    What is the current software or firmware for my ventilator?

    A

    For the current software or firmware of your ventilator please contact your local service representative.

PTS 2000

  • General Questions

    General Questions

    Q

    What do I need to do to get my PTS-2000 calibrated or repaired?

    A

    The Puritan Bennett PTS-2000® pneumatic tester must be recertified annually.  This can be scheduled by calling our National Service Dispatch Center at 1-800-672-2599, option #1.

    Q

    What is the part number for the PTS 2000 version 4.0 user manual?

    A

    The part number for the PTS 2000® version 4.0 user manual is 4-076180-00.

    Q

    What is the current software or firmware for my ventilator?

    A

    For the current software or firmware of your ventilator please contact your local service representative.

Other

740/760 Ventilator Series

  • General Questions

    General Questions

    Q

    My Puritan Bennett™ 760 ventilator has stopped ventilating after having the high pressure alarm go off several times. Why has this occurred and how can it be prevented?

    A

    When the HIP alarm limit is set too high on the Puritan Bennett™ 760 ventilator coupled with a pressure spike caused by the patient coughing during inspiration, actual pressures in the system may exceed 115 cmH2O.  If pressures exceed 115 cmH20 three times within a 24 hour operational period, the PB700 Series Ventilator is designed to enter Safety Valve Open, VENT INOP.   An error code 9081 will most likely be posted in the Alert Log.  Once the ventilator is removed from the patient, a complete EST would need to be run to reset the system. To prevent this code from being generated, it is important that the HIP Alarm Limit be set appropriately prevent pressures from reaching 115 cmH20.

    Q

    What is the current software or firmware version for my ventilator.

    A

    For the current software or firmware version of your ventilator please contact your local service representative.

    Q

    Has the 700 Series ventilator console gasket part number changed? Why has the part price increased so much?

    A

    The part number G-060466-00 for the 700 Series™ ventilator console gasket has changed to 10026619.

    The former part number G-060466-00 was gasket material sold by the foot and therefore priced by the foot. When this gasket needed replacing, it was necessary to measure the length needed and then order that quantity by foot. The perimeter of the console around all 4 sides yields 8 feet so it would require 8 feet to be ordered. Once the gasket material was received, it needed to be cut, mitered and fit to the seal surface on the underside of the console.  

    This new part has been pre-cut (mitered) to fit four corners. This makes for an easier installation and helps assure a proper seal. The gasket assembly 10026619 is now boxed and sold as a Field Replaceable Unit.

    This new part number removes much of the labor required for this particular repair.

    Q

    I have received a power supply board for my 700 Series Ventilator and it looks different than the power supply that is currently in the unit. Has the power supply board changed?

    A

    The power supply board on the 700 Series™ Ventilators has changed to include the addition of a cooling fan, as shown here. The part number has not changed: G-061131-00

    Q

    What is the easiest way to place a service call for my 840, 540 or 700 Series ventilators to be serviced in the field?

    A

    The easiest way to place a service call for your Puritan Bennett 840™, Puritan Bennett 540 or Puritan Bennett 700 Series™ ventilators is to call our Nationwide Service Dispatch center at 1-800-672-2599.

    Hours of operation are from 5am to 4pm Pacific time.

    You can also enter your request online by clicking on the Submit a Question button located at the top of this FAQ.  Simply enter your demographical information, select the topic of Service and enter any detail in the text box supporting your reason for requiring field service. Once submitted, your request for field service will be responded to promptly.

    Note: This online functionality for requesting field service only applies to domestic US markets and the Puritan Bennett 840, 540, and 700 Series ventilators.

    Q

    What should be considered when using an external nebulizer on an 840 ventilator?

    A

    See the attachment below

    Q

    Is there a latch kit for the 700 Series Ventilator cabinet?

    A

    Yes, since June of 2001 700 Series Ventilators shipped with cabinet latches mounted by two M3 x 12-mm screws with two nuts and washers.  To support these units a Latch FRU Kit (G-062531-00) was released at the same time.

     

    700 Series Ventilators shipped prior to June of 2001 had cabinet latches mounted to the cabinet by rivets.

    Q

    Has the cord wrap FRU part number for the 700 Series Ventilator changed?

    A

    The cord wrap FRU part number has changed from G-062340-00 to G-062523-00. The reason for this part number change is due to the inclusion of the two brass screw inserts.

    Q

    Has there been a change to the main fan cover for the 700 Series Ventilators?

    A

    Yes, the main fan cover has been modified in order to remove the requirement for a tool when replacing the fan filter during routine maintenance. The two locking screws have been replaced by two thumbscrews. This is a change to the existing part so there is no change in part number.  When ordering G-060834-00 you will receive the modified part.

    Q

    What is the record label for that comes on the outside of the internal and external batteries for the 700 Series Ventilators?

    A

    Since April of 2002 a record label has been added to the outside of the internal and external FRU battery packs.  When replacing a battery, the installation date must be recorded on this label.

    Q

    Has there been a change in design layout pertaining to the J2 and J3 test connectors on the pressure solenoid PCB for the 700 Series Ventilators?

    A

    Yes, as part of the on-going product improvement process with the 700 Series Ventilator the Pressure Solenoid PCB (G-061127-00) has been updated. When performing a PVT the power supply reference voltage test connector J2 is now along side the digital test connector J3.  The orientation of the pin numbering is unchanged and is per the 700 series service manual.

    Q

    Has there been a change in design to PEEP reservoir assembly for the 700 Series Ventilators?

    A

    Yes,  the PEEP reservoir assembly (G-061431-00) has been modified to include the addition of a jet in line after the venturi to increase PEEP stability.  All units manufactured after December 2001 will have the modified PEEP reservoir installed. FRU parts manufactured after this date will also be updated. The Installation procedure for the reservoir assembly has not been affected by this change.

    Q

    Does the Oxygen Regulator FRU for the 700 Series Ventilator ship with or without the orange o-ring installed?

    A

    Since April of 2002 the 700 Series oxygen regulator FRU (G-062022-00) includes  the orange o-ring installed.  This eliminates the need to remove the existing o-ring from the regulator being replaced.

    Q

    Have any parts been added to the PM Kits for the 700 Series Ventilators since the release of the 700 Service Manual, Rev. A, (11/98)?

    A

    Yes,  since April of 2002 the 700 Series lid gasket (G-060466-00) and PEEP pump air intake filter (4-011905-00) have  been added to both the 15K and 30K PM kits.  Both the gasket and filter need to be replaced at the 15K and 30K intervals.

    Q

    Is there a new part number for the power supply for the 700 Series Ventilators?

    A

    Starting October 2001 the 700 Series Ventilator power supply unit has changed.

    Due to new European regulations on power factor correction, there is a change to the 700 Series Ventilator power supply.

    The new power supply is auto ranging and non-latching, therefore it is suitable for all geographical regions. As a result there is now only one part number required when ordering a power supply FRU.

    This part number is G-061131-00.

    As a result of this introduction of one power supply for all regions the following part numbers are now obsolete.

    G-062334-00

    Power Supply 120 V, 740/760 Ventilators (120 V regions, English)

    G-062336-00

    Power Supply 120 V, 740/760 Ventilators (120 V regions, Spanish)

    G-062344-00

    Power Supply 120 V, 740/760 Ventilators (120 V regions, French)

    G-062346-00

    Power Supply 120 V, 740/760 Ventilators (120 V regions, Japanese)

    G-062348-00

    Power Supply 120 V, 740/760 Ventilators (120 V regions, Portuguese)

     

    Installation Note:

    ·         The SSI power supply is the existing/older power supply. The Puls power supply is the lastest/newest power supply.  Please note the requirements in Table 1 when doing a field replacement.

     

    Power Supply Fitted in Vent

    Required replacement

    SSI Power Supply (old)

    SSI Power Supply or Puls Power Supply

    Puls Power Supply (new)

    Puls Power supply ONLY

    Table 1

     

    When replacing the existing/older supply (SSI) with the Puls power supply there are a number of changes to be aware of:

    ·         The harness from the power supply to the BBU PCB has changed from 6 circuits to 4 and is extended in length. A new harness is supplied with each FRU power supply.

    ·         The harness from the BBU to the on/off switch will be cable tied across the top of the power supply.

    ·         The power supply installation instructions supplied will be updated to incorporate the changes.

     

    Q

    How can I prevent or reduce the chance of rain out in the 700 Series Ventilator's exhalation system?

    A

    The 700 Series Ventilator exhalation system has been modified in order to reduce the chances of rain out in the exhalation system due to excess humidity from the humidifier. This modification consists of a change to product software (revision M or later) and the addition of insulating foam and two isolating washers. All new ventilators manufactured from April 2002 will have this modification and the software installed.

     

    For customer units in the field that are experiencing condensation issues due to their Humidifier System an upgrade kit is available. Please note this is not a mandatory upgrade and can be purchased by the customer.

     

    The part number for the exhalation isolation kit (English-US) is G-062597-00.  The part number for the EPROM Kit (English-US), which will contain the latest software revision, is G-061961-00.  Please consult the service manual for international cross references.

    Q

    What causes a 06027 error code on the 700 Series Ventilators?

    A

    We have found that there are two causes of the 06027 error code in the 740 Ventilator System.  Only one is a failure.  The 06027 error code is an indicator of the Safety Valve Current being out of specifications.  An anomaly has been found that causes a 06027 error code to be incorrectly recorded into the Alert Log under certain circumstances when the unit has been switched off.

    An Actual 06027 Error Code Event:

    During normal ventilation conditions, if an actual 06027 error code occurs, the following events will occur:

    1.      The ventilator will reset.

    2.      The main alarm speaker will be actively alarming.

    3.      The main alarm LED will be flashing.

    4.      A ‘CONTACT SERVICE’ message will be displayed in the message display window.

    5.      The 06027 error code will also be recorded in the alert log at the time of occurrence along with a 13006 error code.  The 13006 error code indicates that a Soft Reset occurred while the unit was in normal ventilation mode.

    A Non-Event Related 06027 Error Code:

    Under certain conditions, the error code can be logged in the Alert Log while the ventilator is been powered off.  The error code will remain in memory and will be seen when the Alert Log is accessed.

    Every three seconds, software checks the safety valve current.  When the ventilator is powered off, the current to the safety valve diminishes as the 24v supply is shut down.  However, if during the power off sequence the software is doing the safety valve current check, and if the 5v supply is still sufficient, the unit will identify a low current condition and record the error code.

    Summary:

    If a non-event 06027 error code is logged, this error will not be accompanied by a 13006 error code.  In this case the 06027 error code can be disregarded.

    Q

    What causes an 1101 error on the 740 Series Ventilator?

    A

    The following discussion clarifies how the 1101 error code is generated within the Puritan Bennett™ 700 Series ventilators

     

              As part of the 700 Series Performance Verification Test (PVT), the Safety Valve portion of the test verifies the Safety Valve opens should the exhalation valve fail.  This is achieved by blocking both the patient wye and the exhalation valve port and verifying that the Safety Valve opens during inspiration.  In 740 software, through Revision C, the Safety Valve remains open and ventilation is suspended until the ALARM reset key is pressed.

     

              However, due to occlusion changes in Revision E software, the ventilator no longer stops ventilating if an occlusion or continuous HIP is detected.  Instead, the Safety and Exhalation Valves are cycled opened and shut again to check if the condition still exists.  This is known as Occlusion Cycling Mode.

     

    The combination of the Safety Valve closing again with both the patient wye and exhalation ports blocked and ventilation resuming causes an out of bounds delivered volume condition.  This results in a reset and the 1101 error code being logged to memory due to the requirements of the test.

     

              As a result, any 1101 error codes occurring in 740 Ventilators with Revision E or G software, can be disregarded as long as the date and time of the 1101 entry match the time of the test.

     

              Revision H and later software corrects the test anomaly from occurring.  Any 1101 error code entries in Revision H and later software must be investigated as any other error code.

    Q

    Has there been an update or change to the power cord retainer for the 700 Series Ventilator?

    A

    The 700 Series Ventilator main power cord retainer has been modified.  The reason for this modification is to strengthen the power cord retainer, remove and replace the retaining rivet with a replaceable screw.

    As a result of this modification the power tray back plate (G-060447-00) has also been modified to accept the new power cord retainer.

    The power cord retainer P/N (G-061942-00) remains the same.

    All new units currently been shipped will have the new back panel and power cord retainer fitted. If replacing a power cord retainer on an existing unit (retainer with rivet) then the power tray back plate will also need to be replaced.

    In order to remove/replace the power cord with the new retainer, removal of one screw is required to slide the retainer to the right as shown in the attachment: 700 PowerCordRetainer.jpg.

    For removal of the retainer the tamper proof torx screw also has to be removed which will require a T10 tamper proof torx tool which can be purchased from your local supplier.

    Q

    What additional checks can I perform when servicing or troubleshooting a battery or power supply issue with the 700 Series Ventilator?

    A

    The following is a checklist of what should be performed when servicing the 700 Series Ventilator for any reported battery/power supply related issues.

    1.      AC inlet Check:

    ·         Unplug and check the AC power cord for any wear or damage.

    ·         Verify that the AC power cord retainer is in place and secure.

    2.      External Battery Check: (if applicable)

    ·         Unplug and check the external battery harness for any wear or damage.

    ·         Verify that the external battery fuse is secure.

    3.      Power Supply Input/Output Check:

    ·         Verify that the unit is switched off & mains disconnected. Check that the A/C input  terminal screws are tight and secure.

    ·         Check that the Output terminal screws are tight and secure.

    ·         Check that the 24V DC, External battery and power switch connector to the BBU PCB are secure.

    ·         Connect AC mains and switch on the unit. Verify AC voltage on the input to the Power Supply Unit.

    ·         Verify DC voltage on the output side of the power supply is between 23 and 25vdc.

    4.      Battery Charging Check:

    Perform this check to ensure that the battery charging function is operating correctly.

    ·         Switch on the unit, enable the Service Menu.

    ·         Remove the AC power and ensure the vent is running on battery power.

    ·         Start the unit venting on a test lung, at nominal settings.

    ·         Press the ‘MENU’ key and scroll to the following locations –

    A. Service Menu                        Press ‘ACCEPT’

    Þ Sensor data                          Press ‘ACCEPT’

    Þ Battery/BBU sensors             Press ‘ACCEPT’

    Þ BAT I                                    Press ‘ACCEPT’

    ·         Verify that ‘BAT I’ displays a negative number (-x.x A).

    ·         Reconnect the AC power and verify that ‘BAT I’ now displays a positive number (x.x A).

    5.      Battery Switching Check:

    Perform the ‘Battery Test’ as per section 5 of the 700 Series Service Manual.

    6.      Battery Load Test:

    Perform the ‘Battery Load Test’ as per section 4 of the 700 Series Service Manual.

    7.      Error Code Check:

    Check both Alert and Test error logs and note any error code associated with battery/power supply issues.

    Q

    Is the 700 Series Ventilator's flow sensor mesh field replaceable?

    A

    Yes, the 700 Series flow sensor mesh has now been released as a field replaceable part.  The release of the flow sensor mesh will negate the need to replace the entire flow sensor.  The flow sensor mesh is part of the Exhalation Mesh/Check Valve Kit (G-062454-00).

    If replacing the flow sensor mesh due to medication contamination, it is recommended that the exhalation check valve also be replaced as part of the repair.  When performing this service activity follow the attached installation instruction sheet that is also provided within the kit.

     

    Kit contents

    1

    Flow sensor mesh

    2

    Mesh constants label

    3

    Exhalation check valve

    4

    Latex gloves (pair)

    5

    Installation Instruction sheet

    Q

    I am looking for the data transfer rate for the 740/760 ventilator. Are the numbers transferred on a breathe to breathe basis or a minute to minute averaging? Also, does the information that is able to be communicated include PEEP and Peak inspiratory pressure?

    A

    Please reference the attached DCI communication addendum for the 700 Series® ventilator.  The ventilator response is dependent upon the SNDA command.

    Q

    What is the part number for the 700 Series Ventilator shipping kit?

    A

    The part number for the 700 Series® ventilator shipping kit is G-060872-SP.

    Q

    How can I solve the 07230-12-1 010 diagnostic code in the test log of the 760 ventilator?

    A

    In order to decipher the 07230-12-1 010 diagnostic code recorded in the test log of the Puritan Bennett™ 700 Series ventilator; you have interpret the alert log as follows:

    4.2.4 Review alert log: Reading the alert log

    NOTE:

    All service functions can be accessed while the ventilator is not ventilating. When ventilating, the only function accessible is the sensor data function.

     

     

     

    This function lets you read the diagnostic codes in the alert log.

    To access this function from the A.Service menu prompt, turn the knob until Review alert log is displayed. 

    Message window display

    Description

    Review alert log

    Press ACCEPT to proceed.

    Log entries

    Review the first entry in the log, referring to Figure 4-6. Turn the knob to scroll through all remaining entries. Press CLEAR to exit.

     

     

     

    aa) bbbbb-cc-d eee date time

    where: aa is the error’s position in the log (1=the most recently detected)

    bbbbb is the code number (see Chapter 4 to interpret)

    cc is the identifier of the task being run at the time the condition was detected

    is the identifier of the subsystem in which the condition was detected

    eee is the number of consecutive occurrences of the condition date is the month, day, and year the condition was detected time is the hour and minute when the condition was detected

     

     

     

    In this case, the error code number 7230 is described by the following:

    7221-7233

    POST

    Software error

    See Section 6.2.

    6.2 About software errors

    Many of the codes in this chapter represent “software errors.” The software continually makes checks to ensure data is reasonable and makes other data checks. If any of these checks fails, a software error is logged and the ventilator is reset, which causes POST to run. If POST does not pass, the ventilator issues up to two more system resets, waiting for POST to pass. If  POST is still not passed, the ventilator declares a VENT INOP condition. As a result, the patient can breathe through the opened safety valve. Similarly, if three or more software errors are detected within 24 operating hours, the ventilator declares a VENT INOP condition.

    Often, a software error is a transient failure, which is not expected to recur. When the system is reset, POST passes, and ventilation continues. If a software error recurs or if multiple software errors occur, the problem requires corrective action. Contact your regional Covidien Technical Support.

    So if your ventilator is functioning normally, this code can be considered transient.  If your ventilator is not functioning normally, you will want to make sure your piston is initializing.

    Q

    What size test lung ( and part number ) would I need for the 760 and 7200 ventilator? I need the Adult and Pediactric.

    A

    The part number for the .5 liter test lung for both the 700 Series® ventilator and 7200® series ventilator is 4-000612-00.  This test lung will suffice for both Adult and Pediatric.

    Q

    What is the recommended temperature and time when autoclaving the 700 Series ventilator reusable patient circuits?

    A

    Guidelines for sterilizing the 700 Series® ventilator reusable patient circuits can be found in the attached Appendix A from the Operator's Manual.

    Q

    What is the part number for the flex arm used on the 700 Series and 840 ventilators?

    A

    The part number for the flex arm used on the Puritan Bennett™ 700 Series and  Puritan Bennett™ 840 ventilator is 4-032006-00.

    Q

    Why does the 740/760 Ventilator display “Abnormal Restart” after the unit is turned on?

    A

    The most likely cause for a 740/760 Ventilator to display "Abnormal Restart" after the unit is turned on is a discharged internal battery. Recharge the internal battery or consider replacing if older than two years.

    Q

    What are the Preventive Maintenance (PM) requirements for the 740/760?

    A

    Please refer to the attachment below for the Preventive Maintenance (PM) requirements for the 740/760

    Q

    What is the main difference between the 760 and 740 ventilators?

    A

    The main difference between the 760 and 740 ventilators is the 760 ventilator adds pressure control ventilation (PCV)mode and a tidal volume bar graph LED display on the front panel.

    Q

    What are the part numbers for the 740/760 preventive maintenance (PM) kits and what parts do they contain?

    A

    Please refer to the attachment below for part numbers for the 15K and 30K PM kits for the Puritan Bennett™ 700 Series ventilators

    Q

    When do I need to run EST (extended self-test) on my 740/760 ventilator?

    A

    Please refer to the attachment below.

    Q

    Can the 740/760 exhalation flow sensor be cleaned?

    A

    There is no cleaning procedure approved for the exhalation flow sensor on the 740/760 ventilator.  The flow sensor or the screen must be replaced and then the new calibration constants entered in NVRAM.

    Q

    How do I enter the “Service Menu” on the 740/760 ventilator?

    A

    Please refer to the attachment below.

    Q

    How do I know what software version is in my 740/760 ventilator?

    A

    The software version in the 740/760 is displayed briefly on the LCD display after the ventilator is turned on.  It can also be accessed using the menu key and selecting “software revision”.

    Q

    What is the warranty period for the 740 and 760 ventilators.

    A

    Warranty

    The Puritan Bennett™ 700 Series ventilator system is located on the second page of your invoice.  Please call Carlsbad Technical Suport at 1-800-255-6774 (option #4, option #1) if you have any questions regarding your warranty. 

    Q

    How can I obtain an operators manual for the Puritan Bennett™ 700 Series ventilators?

    A

    The operators manual, 10066984, for the Puritan Bennett™ 700 Series ventilators can be ordered by calling Customer Service at 800-635-5267. You may also download a .pdf from the Product Manuals page at the link below.

    Q

    What is the smallest body weight patient I can ventilate with the 740/760 ventilator?

    A

    The 740/760 ventilator is approved for adult and pediatric patients.  The lowest tidal volume that can be set is 40ml and typically defines the smallest body weight patient.

    Q

    What are the part numbers for the Puritan Bennett™ 700 Series ventilators patient circuits?

    A

    The part numbers for the Puritan Bennett™ 700 Series patient circuits are:

    • Adult reusable circuit, G-061208-SP. 
    • Pediatric reusable circuit, G-061223-00.

    Q

    What must be performed after changing the 740/760 Pressure Solenoid (PSOL) PCB?

    A

    Please refer to the attachment below.

    Q

    What are the part numbers for the 740/760 patient circuit bacteria filters?

    A

    The part numbers for the 740/760 patient circuit bacteria filters are:

    •       Inspiratory Reusable (Re/Flex) 4-074600-00     

    •       Inspiratory Disposable (De/Flex) 4-074601-00

    •       Expiratory Reusable (Re/X700) G-060525-00

    •       Expiratory Disposable (De/X7) G-060526-00  

    Q

    How often should the disposable patient circuit bacteria filters on the 740/760 ventilator be discarded?

    A

    The disposable patient circuit bacteria filters on the Puritan Bennett™ 700 Series ventilators should be discarded at every circuit change or every 15 days of continuous use. The filter resistance should be checked by running SST whenever a new filter is installed, or if you suspect excess filter resistance.  Frequent use of nebulized medications may require more frequent changes.

    Q

    How long should the 740/760 ventilator reusable patient bacteria filters last?

    A

    The reusable filters for the Puritan Bennett™ 700 Series ventilators, can be used for a maximum of 100 autoclave cycles or one year of service, whichever comes first.  The resistance should be checked before initial use and every 15 days of continuous use by running SST.  Frequent use of nebulized medication may alter filter medium life expectancy.

    Q

    What is required to connect a nurse call interface to our 740/760 ventilator?

    A

    Both the 740 and 760 vents have a nurse call connection. While Puritan Bennett does not supply a pre-made cable, the 4-pin connector that plugs into the 740/760 nurse call connector can be ordered using part number G-061872-00. You will have to arrange for these cables to be made in-house.  For a “normally open” system use pin 3 and for “normally closed” use pin 1.  In both cases pin 2 will be used for “relay common”.

    Q

    When should SST (short self test) be run on the 740/760 ventilator?

    A

    Please refer to the attachment below.

    Q

    What does the 740/760 SST (short self test) perform?

    A

    Running SST on the 740/760 ventilator makes detailed checks of the pneumatics and electronics. It also characterizes system leaks and tubing compliance to compensate during breath delivery.

    Q

    Under what conditions does the 740/760 internal battery charge?

    A

    The internal battery of the Puritan Bennett™ 700 Series ventilators charges automatically while ventilator is connected to AC power and power switch is on (including standby mode).

    Entering and exiting standby mode

    Standby mode is a waiting state in which there is no ventilation, but the ventilator maintains its settings and battery charge(s).

    Warning

    ·         To avoid raising the oxygen concentration of room air, ensure that the ventilator is in an adequately ventilated room if connected to an oxygen supply while in standby mode. Disconnect the oxygen supply if you do not intend to use the ventilator immediately.

    ·         To avoid patient injury due to lack of ventilatory support, do not enter standby mode with a patient attached to the ventilator. You must confirm that no patient is attached before entering standby mode.

    NOTE:

    To maintain battery charge(s), the ventilator must be plugged into ac power with the power switch on while in standby mode.

    Follow these steps to enter standby mode:

    1. Turn on the ventilator. If ventilation has already begun, you must turn off the ventilator, then turn it back on without starting ventilation. This allows you access to the

    Standby mode menu function.

    2. Press MENU.

    3. Turn the knob to select standby mode.

    4. Press ACCEPT. The ventilator displays this message:

    Is pt disconnected?

    ACCEPT to proceed

    5. Confirm that no patient is attached by pressing ACCEPT. (If you don’t press ACCEPT while this message is displayed, the ventilator will not enter standby mode.)

    Q

    Why is it a requirement to place the 740/760 ventilator in “Standby Mode” for at least 10 minutes before placing on a patient or running SST or EST?

    A

    The 740/760 ventilator should be warmed-up for at least 10 minutes before being placed on a patient or running SST or EST. During this time the exhalation compartment and pressure transducers are heated, the internal compartment temperature is being monitored and the battery is charging.

    Q

    How much does the 740/760 ventilator weigh?

    A

    The 740/760 ventilator weight is 66 pounds.  The ventilator cart is 40 pounds.

    Q

    What is the 740/760 ventilator audible alarm decibel rating?

    A

    The audible alarm volume on the 740/760 ventilator can be adjusted from a minimum of 74 dBA to a maximum of 88 dBA at 1 m.

    Q

    Can the 740/760 ventilator be configured to use an external battery?

    A

    Puritan Bennett offers an optional external battery kit (G-061140-00) for the 740/760 ventilator.  This kit includes a 24 volt 17 Ah (ampere-hour) battery, battery cover and connecting cable.

    Q

    How long will the internal and optional external battery last on the 740/760 ventilator?

    A

    Please refer to the attachment below

    Q

    What are the Oxygen source requirements for the 740/760 ventilator?

    A

    Please refer to the attachment below.

    Q

    What does the “Fan Failed Alert” message on the 740/760 mean?

    A

    Clean or replace main fan filter (G-060531-00) on the 740/760 ventilator.  Be sure the fan is operating and that the front User Interface (UI) housing is closed and sealed tight against the main cabinet.  Be sure there is nothing blocking (curtains) the air intake.

    Q

    What does an “Air Intake Absent” message mean on the 740/760 ventilator?

    A

    Check the air intake filter on the 740/760 ventilator and verify it is not dirty.  Replace if necessary.  Verify that it is installed correctly and is engaging the air intake filter micro switch.

PB540 Ventilator 

  • General Questions

    General Questions

    Q

    What type of ventilation does the Puritan Bennett 540 ventilator offer?

    A

    The Puritan Bennett™ 540 Ventilator offers both non-invasive ventilation (NIV) and invasive ventilation (IV) for temporary or continuous use.

    Q

    What ventilation modes are available on the Puritan Bennett 540 ventilator?

    A

    The Puritan Bennett™ 540 Ventilator offers a complete range of volumetric modes (VOL A/C), pressure modes (PRES A/C, PSV/CPAP) and SIMV modes of ventilation (VOL SIMV, PRES SIMV).

    Q

    Is the CPAP mode on the Puritan Bennett 540 ventilator available with an exhalation valve?

    A

    The CPAP mode on the Puritan Bennett™ 540 Ventilator is available with an exhalation valve. Therefore an exhaust port should not be added to the patient circuit and masks that contain an expiration aperture should not be used.

    Q

    Is the CPAP mode on the Puritan Bennett 540 ventilator available with a double branch patient circuit?

    A

    The CPAP mode the Puritan Bennett™ 540 Ventilator is available with a double branch patient circuit if the exhalation volume needs to be monitored.

    Q

    What cleaning procedure is recommended for the Puritan Bennett 540 ventilator?

    A

    The cleaning procedure recommended for the Puritan Bennett™ 540 Ventilator states that all external panels and surfaces should be cleaned before and after each patient use or as often as necessary to keep the ventilator clean. The ventilator should be cleaned periodically, whenever it is dirty, before any maintenance operation, and before storing the ventilator. The cleaning instructions from the Clinician's Manual are attached for your convenience.

    Q

    What are the compatible disposable breathing circuits for the Puritan Bennett 540 ventilator?

    A

    The compatible disposable breathing circuits for the Puritan Bennett™ 540 Ventilator are as follows:

    Description

    Part Number

    Double limb patient circuit with exhalation valve,

    180 cm, PVC, sterile, ADULT

    5094000

    Double limb patient circuit with exhalation valve,

    180 cm, PVC, sterile, PEDIATRIC

    5093900

    Single limb patient circuit with exhalation valve, 180 cm, PVC, sterile, ADULT

    5093600

    Single limb patient circuit with exhalation valve, 180 cm, PVC, sterile, PEDIATRIC

    5093500

    Hudson RCI™* single limb patient circuit, ADULT

    1696

    Hudson RCI™* double limb patient circuit, ADULT

    690-50

    Allegiance™*/Cardinal™*/Airlife™* single limb patient circuit, ADULT

    6463-H08

    Q

    After turning on the Puritan Bennett 540 ventilator by the on/off switch on the back the unit goes right into ventilation rather than Standby. What might be the cause?

    A

    If after turning on the Puritan Bennett™ 540 Ventilator by the on/off switch on the back the unit goes right into ventilation rather than standby, this is indication the power-down sequence was not previously followed correctly. 

    To correct for this situation, simply place the ventilator in Standby first and then move the I/O switch to the O (off) position.

    Please see the attachment for additional information.

    Q

    What is the maximum FiO2 percent that can be obtained on the Puritan Bennett 540 ventilator at the specified maximum 15 lpm of oxygen flow?

    A

    The maximum FiO2 percent that can be obtained on the Puritan Bennett™ 540 Ventilator at the specified maximum 15 lpm of oxygen flow is 55%.

    Q

    How often should the air filter on the back of Puritan Bennett 540 ventilator be changed?

    A

    The Inlet Air Filter on the back of Puritan Bennett™ 540 Ventilator ventilator is recommended to be changed as shown in the attachment below:

    Q

    What is the part number for the air filter on the back of the Puritan Bennett 540 ventilator?

    A

    The part number for the Air Inlet Filter on the back of the Puritan Bennett™ 540 Ventilator is 10028771 and comes in a package of 6 filters.

    Q

    How do I connect a PB540 to a remote alarm or nurse call?

    A

    The remote alarm cable- nurse call system (5m ~16.4ft), part number 100000914, is available for the Puritan Bennett™ 540 Ventilator. The Remote Alarm Cable comes with the connector to attach it to the back of the PB540 ventilator. The cable will need to have the appropriate connector installed to attach to the specific remote alarm system. Please refer to the Clinical Manual B-2 for the pin-out and specifications - see attached document.

    Q

    Please let me know what the peak inspiratory flow capability of the PB 540 ventilator is in Vol A/C...thanks!

    A

    The Puritan Bennett™ 540 Ventilator does not have an adjustable flow rate. In Vol/AC the peak flow is determined by the inspiratory time setting and the flow pattern (square or decelerating).


    One can get an approximate value for the flow rate by looking at the flow-time tracing on the Waveform menu. Just press the down arrow key to freeze the screen and the up arrow to unfreeze. In the picture below - the flow graph is on the bottom and the flow rate is 15 LPM

    Q

    Are there environmental restrictions for the Puritan Bennett 540 ventilator?

    A

    Yes,  there are environmental restrictions for the Puritan Bennett™ 540 Ventilator.

    The following environmental conditions for storage or transport must be observed:

    Temperature

    Humidity -40°F to 158°F (-40 to 70°C)

    Atmospheric pressure

    -40°F to 158°F (-40 to 70°C)

    10% to 95% RH

    7.2 psi to 15.4 psi (50 kPa to 106 kPa)

    The ventilator should not malfunction or endanger the patient when used under extreme conditions beyond what is recommended but within the limits of a supply voltage of -20 percent, compared to the nominal temperature of 113°F (45°C) and humidity of 75 percent. However, operating the device for long periods or repeatedly under such extreme conditions could result in premature aging of the ventilator and a need for more frequent maintenance.

     

    Q

    How can the Expiratory Sensitivity for the Puritan Bennett 540 ventilator be optimized?

    A

    The exhalation sensitivity (Exh Sens) level on the Puritan Bennett™ 540 Ventilator is a percentage of peak flow at which a pressure-supported breath will be terminated. If the PB540 ventilator is not terminating inspiration due to leaks, the unit can stay in the inspiratory phase for up to 3 seconds. This can cause de-synchrony and increased work of breathing.

    By increasing the exhalation sensitivity, the unit will terminate inspiration sooner, at the selected percentage of insp flow, allowing the patient to exhale more comfortably.

         
     

    Range: 5% to 95% of peak flow

     
     

    Resolution: 5%

     
     

    Accuracy: +/- (4 lpm +10%) of target exhalation flow based on

     
     

    Exh Sens

     
     

    Default value: 25%

     
     

    In CPAP Exh Sens is fixed at 25% and is not adjustable.

     
     

      

     

    Exhalation sensitivity is available in the PSIMV, VSIMV and PSV modes. In CPAP, exh sens is defaulted to 25% and is not adjustable.

     

    Patients with high compliance (“baggy” lungs as with COPD) or weak respiratory musculature may experience Inspiratory Times too long to be comfortable in PS. These patients often feel the need to “blow” back into the ventilator to end the breath, increasing their fatigue. This longer Inspiratory  Time can also shorten Expiratory Time resulting in Auto-PEEP.

    Increasing the Exp Sens can shorten the Inspiratory Time making the patient more comfortable and reduce the incidence of unwanted Auto-PEEP

     

    Attached is a page from the PB540 Clinical Manual that describes in more detail how the Expiration Sensitivity works.

     

    Q

    What is the easiest way to place a service call for my 840, 540 or 700 Series ventilators to be serviced in the field?

    A

    The easiest way to place a service call for your Puritan Bennett 840™, Puritan Bennett 540 or Puritan Bennett 700 Series™ ventilators is to call our Nationwide Service Dispatch center at 1-800-672-2599.

    Hours of operation are from 5am to 4pm Pacific time.

    You can also enter your request online by clicking on the Submit a Question button located at the top of this FAQ.  Simply enter your demographical information, select the topic of Service and enter any detail in the text box supporting your reason for requiring field service. Once submitted, your request for field service will be responded to promptly.

    Note: This online functionality for requesting field service only applies to domestic US markets and the Puritan Bennett 840, 540, and 700 Series ventilators.

    Q

    What do I need to do to my PB540 Ventilator between patients?

    A

    On the top of the Puritan Bennett™ 540 ventilator is a label that has instructions for the Checkout Test and Alarms Test. There is also an Operational Verification Checklist in the User's Manual, Section B. 

    The operational verification and safety checks listed in Table B-1 (attached) should be performed to ensure the ventilator is operating properly in the following circumstances:

    • Prior to using the ventilator with a patient
    • Monthly while the ventilator is in use
    • Following maintenance or changes in ventilator settings.

    If the ventilator fails any of the safety checks, or if you cannot complete the checks, refer to the troubleshooting section of the 540 User's Manual or call Covidien technical support at 1-800-255-6774.  

    Q

    When setting up a Puritan Bennett 540 Ventilator, what determines the high and low inspiratory pressure settings in the PSV/CPAP, PRESS A/C or P SIMV modes?

    A

    The high and low pressure alarm thresholds are derived from P Support, P Control & PEEP settings. Please refer to the "Overview of Alarms" in the Puritan Bennett™ 540 Ventilator User Manual.

    Attached is part of that section pertaining to how the alarm thresholds are derived. 

    Q

    How do I ship a 540 ventilator battery to Covidien?

    A

    The Puritan Bennett™ 540 Ventilator lithium ion battery is catagorized as hazardous material (dangerous goods) and must be shipped in accordance with US DOT regulations (49 CFR 173.185) Class 9-Miscellaneous.  The battery contains more than 8g equivalent lithium and exceeds a power rating of 100 watt-hours. Transport must be compliant with the applicable Hazardous/Dangerous Goods regulations specific to the orgin/destination and mode of transport. Use shippers approved packaging for lithium ion batteries.

    Q

    How long will the parts and support be available for the Puritan Bennett 540 ventilator?

    A

    The end of sale date for the Puritan Bennett™ 540 Ventilator was August 1 2013.  Covidien will make a reasonable good faith effort to offer parts and support until August 1 2018. 

    Please see attached End of Service letter attached.

    Q

    What is the current software or firmware version for my ventilator.

    A

    For the current software or firmware version of your ventilator please contact your local service representative.

  • Accessories

    Accessories

    Q

    What is the maximum FiO2 percent that can be obtained on the Puritan Bennett 540 ventilator at the specified maximum 15 lpm of oxygen flow?

    A

    The maximum FiO2 percent that can be obtained on the Puritan Bennett™ 540 Ventilator at the specified maximum 15 lpm of oxygen flow is 55%.

    Q

    What is the part number for the air filter on the back of the Puritan Bennett 540 ventilator?

    A

    The part number for the Air Inlet Filter on the back of the Puritan Bennett™ 540 Ventilator is 10028771 and comes in a package of 6 filters.

    Q

    Can an external humidifier be used with the Puritan Bennett 540™ ventilator?

    A

    Yes. There are a numerous humidifiers available on the market suitable for use with the Puritan Bennett 540™ ventilator. The humidifier should be placed downstream from the patient’s outlet and a water trap should be used on the expiration branch when using a double-branch configuration.

    Q

    When a humidifier is used with the Puritan Bennett 540™ ventilator, does moisture get into the patient pressure line?

    A

    This is possible in instances of high humidity and is dependent on the set temperature, condensation, type of circuit used, room temperature and airflow. Heated wire circuits will help reduce condensation. Avoid placing the ventilator in front of fans or air conditioning units that can cool the circuit and cause excess humidification. 

    Q

    How does moisture affect the flow sensor in the Puritan Bennett 540 ventilator?

    A

    The design of the circuit prevents moisture from coming into contact with the flow sensor. Moisture will have more of an effect on the exhalation valve than the flow sensor, which can cause a Check/Change Exh Valve alarm.

    Q

    Can a humidifier be added to the patient wye upstream from the HME/filter with the 540 ventilator?

    A

    HME is a humidification device that is used instead of a humidifier. If additional humidification is required by the patient, it is advisable to remove the HME and use a heated humidifier. Not removing the HME filter can cause increased work of breathing and trigger the high-pressure alarms.

    Q

    Is it possible to use oxygen with a Puritan Bennett 540™ ventilator?

    A

    Yes. A connector for an external low pressure oxygen source is available at the rear of the ventilator. It is essential to use the special coupler supplied with the ventilator to attach the external low pressure oxygen source to the connector. The flow of oxygen introduced into the machine is integrated into the global volume delivered to the patient when ventilation is in progress.

    Ensure that the oxygen supply pressure to the machine never exceeds 7.25 psi (50 mbar) or 15 LPM.

    NOTE: Any changes in ventilation parameters that influence the flow rate (R, I/T, PIP, PEEP) will also change the FiO2 rate. Covidien recommends using an oxygen analyzer to measure and monitor oxygen percentage.

    Q

    Can the connection coupler to the oxygen remain permanently connected to a Puritan Bennett 540™ ventilator?

    A

    No. The oxygen connection coupler accessory should not be left connected if ventilating without an oxygen supply, otherwise air leakage could alter the performances of the ventilator.

    Q

    Should the external oxygen be dry when connected to the Puritan Bennett 540 ventilator?

    A

    Yes. The external oxygen should be dry. If humidification is needed, the humidifier should be placed downstream from the ventilator and not on the external oxygen source. If placed upstream the humidifier could disrupt the ventilator’s measurement sensors.

    Q

    Do you need to turn the supplemental oxygen flow off before turning off the Puritan Bennett 540 ventilator?

    A

    Yes. Turn off or disconnect the supplemental oxygen source prior to turning off the ventilator.

    Q

    What is the maximum FiO2 percent that can be obtained on the Puritan Bennett 540™ ventilator at the specified maximum 15 LPM of oxygen flow?

    A

    Maximum FIO2 at 15 LPM is 55 percent. The delivered FIO2 can vary slightly depending on changes in the patient’s breathing pattern.

    Q

    Is there a formula or graph that provides an approximate FiO2 delivery depending on set flow rate set on the Puritan Bennett 540 ventilator?

    A

    There is a graph in the Puritan Bennett 540™ Ventilator Clinician Manual, section 3.6. Please refer to the attachment below.

    Q

    Can I bleed-in oxygen at the to-patient outlet of the Puritan Bennett 540 ventilator ?

    A

    If you bleed-in additional oxygen at the outlet (on the inspiratory limb of the circuit), you will add additional flow to the circuit. This may affect the volume delivered to the patient and cause erroneous readings and the exhaled volume alarms.

    Connecting the oxygen to the oxygen connector port will account for the additional flow. In volume modes, this means the volume set is what will be delivered by the machine.

    Q

    How often should the air filter on the back of Puritan Bennett 540™ ventilator be changed?

    A

    The inlet air filter is recommended to be changed every two months or more frequently depending on the extent of soiling.

    Q

    Can an antibacterial filter be placed on the outlet port of the Puritan Bennett 540 ventilator (inspiratory side)?

    A

    Yes. An antibacterial filter can be placed between the ventilator outlet and inspiratory limb of the circuit.

    It is important that the inspiratory resistance of the filter is not higher than 4 mbar for 60 LPM.

    Q

    Can the Puritan Bennett 540™ ventilator be connected to a remote alarm system?

    A

    The Puritan Bennett 540™ portable ventilator can be connected to some remote alarm systems. Due to the overwhelming number of remote alarm systems on the market today, Covidien is not able to validate every system. There is a universal cable with an open end, which needs to be configured for the customer’s system. The pin connections are listed on Table B-4 in the clinical manual. Call Technical Support for more assistance @ 1-800-255-6774.

    Q

    Can the Puritan Bennett 540™ ventilator connect to the Achieva remote alarm cable?

    A

    No. The Puritan Bennett 540™ ventilator is not compatible with Achieva™ remote alarm cables.

    Q

    Is there a list of acceptable filters and HMEs for use on the Puritan Bennett 540 ventilator?

    A

    The attached document lists the acceptable HMEs and filters that can be used on the Puritan Bennett 540 Ventilator.

    Q

    Is there a list of acceptable interfaces for use on the Puritan Bennett 540 Ventilator?

    A

    The attached document provides a list of acceptable interfaces for use on the Puritan Bennett 540 ventilator.

    Q

    How can I obtain the direction for use for the dual limb circuit (P/N: 509400) for the Puritan Bennett 540 ventilator?

    A

    The directions for use for the dual limb circuit (P/N: 509400) for the Puritan Bennett™ 540 ventilator can be obtained by clicking on the attachment in this FAQ (see below).

    Q

    How do I ship a 540 ventilator battery to Covidien?

    A

    The Puritan Bennett™ 540 Ventilator lithium ion battery is catagorized as hazardous material (dangerous goods) and must be shipped in accordance with US DOT regulations (49 CFR 173.185) Class 9-Miscellaneous.  The battery contains more than 8g equivalent lithium and exceeds a power rating of 100 watt-hours. Transport must be compliant with the applicable Hazardous/Dangerous Goods regulations specific to the orgin/destination and mode of transport. Use shippers approved packaging for lithium ion batteries.

    Q

    How long will the parts and support be available for the Puritan Bennett 540 ventilator?

    A

    The end of sale date for the Puritan Bennett™ 540 Ventilator was August 1 2013.  Covidien will make a reasonable good faith effort to offer parts and support until August 1 2018. 

    Please see attached End of Service letter attached.

  • Alarms

    Alarms

    Q

    Can the AC Power Disconnect alarm on the Puritan Bennett 540 be paused?

    A

    Yes. The AC Power Disconnect alarm can be paused. After disconnecting the AC power, press the Alarm button twice. Note: When running on internal battery, there is an internal battery alarm that sounds once every hour to remind the user that the ventilator is powered by an internal battery. This alarm cannot be paused.

    Q

    When is the disconnect alarm activated in the Puritan Bennett 540 ventilator?

    A

    ·          In VOL A/C and VOL SIMV modes, if patient pressure is lower than low PIP

    ·          In PSV/CPAP, Pres A/C modes and Pres SIMV if patient pressure is lower than (P Support + PEEP)-20 percent or (P Control + PEEP)-20 percent

    ·          If the flow is greater than 130 LPM during the inspiratory phase

    ·          The disconnect alarm activates differently, depending on the mode:

    o     PSV/CPAP: Apnea time + 2s

    o     SIMV: 60/Rate + Insp Time

    o     A/C: 60/Rate

    Q

    What actions should be pursued if a disconnect alarm occurs on the Puritan Bennett 540 ventilator?

    A

    • First check the patient’s condition
    •  Check for a leak or loose connection in the patient circuit
    •  Check if the adjustment of low PIP is too high
    •  Make sure the appropriate patient circuit is being used
    •  Check for a defective internal circuit or pressure sensor

    Q

    What additional alarms are related to the disconnect alarm on the Puritan Bennett 540 ventilator?

    A

    • High VTI alarm: (P SIMV and P A/C) First indicator of a potential disconnect. If the inspired tidal volume is greater than the High VTI during three consecutive breaths the alarm will activate. Increased BPM and decreased inspiratory time will decrease the time it takes to activate the alarm.
    •  Apnea alarm: (P SIMV and V SIMV) Preset value displayed in the mode screen. No inspiratory trigger detected by the ventilator after the apnea time is set.
      •  Auto default setting is 30 seconds. Lowering this time will create an apnea alarm sooner and can be another indication of a potential disconnect.
    •  Low Exh Volume: (In double-limb setup) May occur before the low pressure disconnect (LPD) alarm appears. Expired tidal volume less than low VTE set during three consecutive breaths.

    Q

    Can a Low-Pressure alarm be set in Pressure Control or Pressure SIMV modes on the Puritan Bennett 540 Ventilator?

    A

    No. It is preset to 20 percent below PIP. The Puritan Bennett 540 ventilator is designed to have an easy-to-use and intuitive interface for the clinician and the primary caregivers with specific alarms preset.

    Q

    In what modes are the 20 percent above and below PIP alarm active in the Puritan Bennett 540 ventilator?

    A

    Pressure Control (AC and SIMV) and Pressure Support.

    Q

    Why does the High-Pressure alarm message remain displayed on the screen after the alarm has reset itself in the Puritan Bennett 540 ventilator?

    A

    The High-Pressure alarm message, on the Puritan Bennett 540 Ventilator, must be canceled manually by the user. The alarm will remain displayed until reset by the user, even though the alarm condition is no longer present.

    Q

    What causes the Check/Change Exh Valve alarm on the Puritan Bennett 540 ventilator?

    A

    The main triggers for this alarm are

    1.  High expired flows during the inspiratory phase for three consecutive breaths
    2.  Obstruction or damage to the exhalation valve
    3.  Defective connection or defective exhalation valve tubing
    4.  Defective inspiratory or expiratory flow sensor

    Possible causes include

    1.  Exhalation valve is not attached
    2.  A kink in the exhalation tubing
    3.  Moisture accumulation in the exhalation valve line or on the mushroom valve
    4.  The mushroom valve is not seated properly or is defective

    Q

    What could cause the Check Exh Valve alarm on a Puritan Bennett 540 ventilator?

    A

    It could be caused by a faulty pressure-valve sensor signal at the beginning of ventilation. Check to ensure the exhalation valve is properly connected and working properly. Replace the exhalation valve, if indicated.

    Q

    What is the possible cause of the Exh Sens Faults or CRKT Leak alarm on the Puritan Bennett 540 ventilator?

    A

    The clinical manual states that "At least four of the last six spontaneous breaths are terminated by time." Any large circuit or airway leak may also cause this condition. For example, this alarm may occur when a vented nasal mask is used for non-invasive ventilation.

    Q

    What is the possible cause of the Fault 4, Restart/SRVC alarm on the Puritan Bennett 540 ventilator?

    A

    The Fault 4 alarm occurs if the ventilator’s cooling fan operating speed is not appropriate for the internal device temperature. It is possible that the vent holes on side and front of the device were occluded.

    Q

    When is the Check Proximal Line 2 alarm activated in the Puritan Bennett 540 ventilator?

    A

    When starting ventilation, if no signal is received from the proximal pressure sensor, the Check Proximal Line 2 alarm will be activated. Ensure the proximal pressure line is attached and not occluded, and then restart ventilation.

    Q

    What is the adjustment range for the alarm sound level on the Puritan Bennett 540 ventilator?

    A

    The alarm sound level range is between 65 dBA to 85 dBA measured at 3.28 feet (1 meter).

    If a high-priority alarm is not audio paused within 60 seconds of being activated, the sound level automatically adjusts to 85 dBA.

    Q

    How do you change the alarm volume on the Puritan Bennett 540 ventilator?

    A

    The alarm sound level can be adjusted by accessing the preferences menu on the ventilator.

    Q

    When is the Check Proximal Line 2 alarm activated in the Puritan Bennett 540 ventilator?

    A

    When starting ventilation, with the Puritan Bennett™ 540 Ventilator, if no signal is received from the proximal pressure sensor, the Check Proximal Line 2 alarm will be activated. Because a connection to a proximal pressure line is mandatory, the Check Proximal Line 2 alarm cannot be canceled. A proximal pressure line needs to be attached and ventilation restarted, otherwise the alarm will continue to activate.

    Q

    What is the difference between Audio (Audible) Pause alarm and Paused/Reset alarm on the Puritan Bennett 540 ventilator?

    A

    Press the Alarm Control button once. The Audio (Audible) Pause alarm silences the audio portion of the current active alarms for 60 seconds. The light indicator and message of the activated alarms remain visible. The audible alarm will automatically reactivate whenever a new alarm is activated.

    Press the Alarm Control button twice. The Pause/Reset alarm halts the audio portion, light indicator and message. Not all alarms can be paused. Refer to the operator’s manual for a list of alarms that can be paused.

    Q

    Does the Reactivate Paused alarm feature only reactivate the last alarm, or does it reactivate the 60-second paused alarms on the Puritan Bennett 540 ventilator?

    A

    Reactivate Paused alarm reactivates alarms that have been paused and whose activation conditions continue to exist. This option is accessed from the Alarm Log.

    Q

    Why does the ventilator emit a beep every hour on the Puritan Bennett 540 ventilator?

    A

    When running on the internal battery, a beep is emitted every hour to remind the user that the device is running on a battery and not on the main electrical supply (as per the ASTM F 1246 standard).

    Q

    Does an alarm sound immediately when the alarm condition appears in the Puritan Bennett 540 ventilator?

    A

    Depending on the alarm condition, some alarms sound immediately and others require repeated events. Refer to the alarms section in the operator’s manual for more detail.

    Q

    What is the priority level of the alarms in the Puritan Bennett 540 ventilator?

    A

    Very high priority (VHP): Immediate critical situation; ventilation is impossible

    Continuous sound signaling/with or without continuous red LED illumination/with or without message/with or without display lighting

    High priority (HP): Critical situation in the short term; ventilation is potentially compromised

    High-frequency sound signaling/flashing red LED illumination/with message/with display lighting

    Medium priority (MP): Critical situation in the long term; ventilation is not affected in the short term

    Medium-frequency sound signaling/flashing yellow LED illumination/with message/with display lighting

    Note: If more than one alarm is triggered at the same time, the highest priority light and sound level is activated, but all the visual messages will be displayed one after the other.

    Q

    When in the waveform menu, why does the display automatically switch to the alarm menu when an alarm is activated in the Puritan Bennett 540 ventilator?

    A

    The alarm message is not displayed in the waveform menu, so the display will automatically switch to the alarm menu when an alarm is activated.

    Q

    How does the apnea alarm work on the Puritan Bennett 540 ventilator?

    A

    The apnea alarm is activated when the patient does not take a breath during the apnea time (apnea time is variable and is determined by the clinician).

    In PSV mode, once the apnea alarm is triggered, the device ventilates at the backup rate frequency set by the clinician. For example, in PSV mode, if you set an apnea time of 10 seconds and a frequency of 10 bpm the patient will receive a ventilator breath after 10 seconds and the apnea alarm will activate. The second breath occurs after six seconds.

    In CPAP mode, the apnea alarm is activated, but there is no backup ventilation.

    In SIMV modes, if the time that the patient stops breathing is longer than the apnea time setting, the device delivers ventilation at either 8 bpm or the backup rate, whichever is greater and the alarm is activated. However, if the apnea time setting is greater than 60/backup rate setting, the apnea alarm will not be activated.

    The apnea alarm can be audio paused and reset (except in CPAP mode).

    The apnea alarm automatically resets if the patient triggers three consecutive breath cycles.

    Q

    Can the patient reset the apnea alarm by taking a breath on the Puritan Bennett 540 ventilator?

    A

    The apnea alarm automatically resets if the patient triggers three consecutive breath cycles.

    Q

    Why does the Puritan Bennett 540 ventilator stop ventilating when the Device Fault 6 Replace Vent alarm is activated?

    A

    The ventilator ceases to ventilate when this alarm is activated to ensure the patient’s safety and so that the device does not overheat.

    Q

    Why does the monitored patient breath rate value change after each breath, rather than being expressed as an average value taken over several breaths on the Puritan Bennett 540 ventilator?

    A

    Having a real-time patient breath rate is an important safety feature, which allows the clinician to verify the breathing stability of the patient.

  • Circuit Calibration

    Circuit Calibration

    Q

    Why would the Puritan Bennett 540 ventilator fail circuit calibration?

    A

    The first step in troubleshooting circuit calibration failure is to check for leaks in the system and make sure all connections are tight during calibration. Next, ensure that the proper ventilator circuit—pediatric or adult—is selected in the setup menu. Third, reseat the exhalation block. If the exhalation block is not aligned properly with a tight seal, it fails the calibration. Consider replacing the exhalation block or switching with another working unit to see if the problem follows the block or stays with the unit. Note: Before repeating a calibration, turn the ventilator off and then back on to clear the alarm condition. Otherwise, you may mistake the displayed message of Circuit Calibration Failed to refer to the most current calibration attempt.

    Q

    Can you do a circuit calibration on for single-limb circuit on the Puritan Bennett 540 ventilator?

    A

    There is no single-limb circuit calibration. When you do a circuit calibration, you calibrate the expiratory flow sensor, not the actual circuit. This process ensures that the same flow rate coming from the inspiratory limb is returned through the expiratory limb. However, if there is a leak in the circuit, the unit will not pass calibration, validating the integrity of the circuit.

    Q

    What type of interface should be used for non-invasive ventilation on the Puritan Bennett 540 ventilator?

    A

    Non-vented masks are recommended for non-invasive application. It is not necessary to add an exhaust port to the patient circuit or to use a mask that contains an expiration aperture.

  • Cleaning and Disinfection

    Cleaning and Disinfection

    Q

    How often should the air filter on the back of Puritan Bennett 540 ventilator be changed?

    A

    The Inlet Air Filter on the back of Puritan Bennett™ 540 Ventilator ventilator is recommended to be changed as shown in the attachment below:

    Q

    Can the exhalation block become contaminated while in use on the Puritan Bennett 540 ventilator?

    A

    Yes. We recommend that an antibacterial filter is fitted onto the exhalation block. If contaminated, the exhalation block should be thrown away.

    Q

    Can the exhalation block be sterilized for multiple patient use on the Puritan Bennett 540 ventilator?

    A

    No. The exhalation block is single-patient use. For prolonged mechanical ventilation, it is recommended that the exhalation block be inspected and cleaned at least once every three months, and replaced as needed.

    Q

    Will a reusable exhalation block ever be developed for the Puritan Bennett 540™ ventilator?

    A

    No, Covidien/Puritan-Bennett has no plans to develop a reusable exhalation block at this time.

    Q

    What cleaning procedure is recommended for the Puritan Bennett 540™ ventilator?

    A

    All external panels and surfaces should be cleaned before and after each patient use and as often as necessary to keep the ventilator clean. The ventilator should be cleaned periodically, whenever it is dirty, before any maintenance operation and before storing the ventilator.

    Q

    What cleaning solutions are approved for cleaning the Puritan Bennett 540™ ventilator?

    A

    The following cleaning solutions are approved for exterior ventilator surfaces:

    Description

    Product names

    Tap water

    Saline

    Mild dishwashing detergent

    Joy®* (or equivalent)

    70% isopropyl alcohol (rubbing alcohol)

    10% chlorine bleach (90% tap water)

    Clorox®* (or equivalent)

    Glutaraldehyde

    Cidex®* (or equivalent)

    Hospital disinfectants

    •  Professional Amphyl®*Disinfectant Cleaner
    •  Cavicide®*

     Control III®*

    Hydrogen peroxide

    15% ammonia (85% tap water)

    Ammonia-based household cleaners

    Windex®*

    Household cleaners

    Formula 409®*

    The carrying bag can be disinfected by pulverization OF sterile 70 percent IP isopropyl alcohol and by drying its inner part.

     

  • Exhalation Valve

    Exhalation Valve

    Q

    Is it possible to connect the exhalation valve after ventilation has been started on the Puritan Bennett 540 ventilator?

    A

    No. The ventilation mode is automatically detected when ventilation is started so the exhalation valve needs to be connected prior to starting ventilation. If the exhalation valve is connected in error after ventilation has been started, ventilation needs to be stopped and restarted, otherwise the alarm will still be active.

    Q

    Why has an external exhalation valve been chosen on the Puritan Bennett 540 ventilator?

    A

    For both hygiene and technical reasons having an external exhalation valve is preferable to an internal one. It is as simple to replace as a patient circuit, so patients can replace the valve themselves rather than having to call a technician.

    Q

    Is it mandatory to have a proximal pressure connection on the Puritan Bennett 540 ventilator?

    A

    Yes. Using a proximal pressure connection means that patient pressure takes into account any volume loss due to the circuit and any accessories used. Should the proximal pressure connection become disconnected, the ventilator has an internal backup sensor to ensure the patient’s security.

    Q

    What is the cause of the Exhalation Valve Alarm for the Puritan Bennett 500 Series Ventilator?

    A

    The IFU provides the proper storage conditions for the Puritan Bennett™ 500 series ventilators. However, if the ventilator is stored outside the temperature range advised in the IFU, some customers will hear an Exhalation Valve Alarm sounding in error when they turn on the ventilator. The message displayed on the device is: “CHECK EXH VALVE *RESTART/SERVICE.”

    Q

    What specific models of Puritan Bennett 500 Series Ventilators are potentially affected by a false positive Exhalation Valve Alarm?

    A

    Customers have experienced the erroneous alarm on the Puritan Bennett™ 520 and the Puritan Bennett™ 560 ventilators.  Should the devices be stored outside the temperature range specified in the IFU, thus causing the alarm to sound, the devices are still safe to use. The devices need time to warm up after being stored at low temperatures. The warm-up should take approximately one to two minutes.

    Q

    What is the solution for eliminating erroneous Exhalation Valve Alarms with the Puritan Bennett 500 Series Ventilators?

    A

    A new version of the Puritan Bennett™ 500 Series ventilator software will eliminate this erroneous alarm at start-up so that the Exhalation Valve Alarm will only be triggered for its intended purpose – to warn the user if the exhalation valve calibration is not completed within the first 15 seconds of breath delivery.

    Q

    How can I get the software installed in my Puritan Bennett 500 Series Ventilator in order to eliminate erroneous Exhalation Valve Alarms?

    A

    The software update for the Puritan Bennett™ 500 Series ventilator will be available July 29th, 2011. It can either be installed by your local Covidien Technical Services Team or, if your company has trained service technicians on staff, a CD can be made available and the update can be done by your technicians in-house. Since only a portion of Puritan Bennett™ 500 Series ventilators are exhibiting the alarm, you can wait to install the software upgrade at your next scheduled maintenance interval. However, if you are currently experiencing the alarm, please contact your Covidien Technical Services so that the software on your ventilators can be updated sooner.

    Q

    Is there a letter that explains the erroneous Exhalation Valve Alarm on the Puritan Bennett 500 Series Ventilator?

    A

    The letter that explains the erroneous Exhalation Valve Alarm on the Puritan Bennett™ 500 Series Ventilator is posted in the attachment below.

  • Intended Use

    Intended Use

    Q

    What is the intended use of the Puritan Bennett 540™ ventilator?

    A

    The Puritan Bennett 540™ ventilator is intended for use in a hospital or home environment with patients who weigh more than 5 kg. The ventilator is recommended for non-invasive ventilation or invasive ventilation by tracheotomy or intubation.

    Q

    Can the Puritan Bennett 540™ ventilator be used for emergency transport?

    A

    No. The Puritan Bennett 540™ ventilator is not intended for use as an emergency transport ventilator outside the hospital or institution, i.e., in a helicopter or an ambulance. It can, however, be used for intra-hospital transport.

    Q

    Can the Puritan Bennett 540™ ventilator be used with pediatric patients?

    A

    Yes. The Puritan Bennett 540™ ventilator can be used for patients weighing at least 11 lbs/ 5 kg (the minimum Vt is 50 ml).

    Q

    Can the Puritan Bennett 540™ ventilator be attached to a wheelchair?

    A

    Yes. The Puritan Bennett 540™ ventilator can be placed horizontally or even attached vertically onto the back of a wheelchair. With the Dual Bag, a specifically designed carrying case, the Puritan Bennett 540™ ventilator can be attached to a wheelchair or used as a backpack. The ventilator’s internal battery should not be relied on to sustain the ventilation; users should always bring an alternate source of power as well.

    Q

    Can the Puritan Bennett 540™ ventilator be transported without the Dual Bag?

    A

    No. To minimize the risk of damage, the Dual Bag must be used to transport the ventilator.

    Q

    How heavy is the Puritan Bennett 540™ ventilator?

    A

    The Puritan Bennett 540™ ventilator weighs 9.9 lbs, and is one of the lightest and most versatile ventilators on the market.

    Puritan Bennett 540™ ventilator

    PLV Continuum

    HT 50™*

    LTV®* 1200 Ventilator

    4.5 kg/9.9 lbs

    8.2 kg/18 lbs

    7.8 kg/17.2 lbs

    6.5 kg/14.3 lbs

     

     

     

     ™* ®* are trademarks of their respective owners.

     

     

    Q

    Is the Puritan Bennett 540™ ventilator waterproof?

    A

    No. The Puritan Bennett 540™ ventilator must not get wet. The ventilator is an IP 31 class device, which means it can withstand only very limited exposure to a liquid, provided the unit is placed horizontally. A lip has been installed to protect the electrical sockets when the device is horizontal. Otherwise the device is not designed for bad weather, and must be protected against precipitation and exposure to liquids.

  • Miscellaneous

    Miscellaneous

    Q

    Is there a way to check machine hours without turning off the Puritan Bennett 540 ventilator?

    A

    Yes. The machine hours can be found in the preferences menu.

    Q

    Is the locking of the keypad automatic on the Puritan Bennett 540 ventilator?

    A

    No. The locking of the keypad is not automatic. This is because in a hospital environment it would not be practical for nursing staff to systematically unlock the ventilator before modifying a setting. However, the locking option is available on the Puritan Bennett 540™ ventilator and can be activated or deactivated upon request.

    Q

    Can I connect a USB key to the Puritan Bennett 540 ventilator?

    A

    No. The USB port has been included on the device so that additional functions can be developed in the future. It cannot be used at present.

    Q

    What are the specifications of the turbine blower in the Puritan Bennett 540 ventilator?

    A

    The turbine uses today’s latest technology. It is capable of speed of 50,000 rpm. It requires no servicing and its life expectancy is 15,000 hours. It is in constant movement through both ventilation cycles.

    Q

    What is the speed of pressurization in the turbine when a change of 0mbar to 20 mbar is commanded by the Puritan Bennett 540 ventilator?

    A

    Change from 5 mbar and 10l/min

    to 30 mbar and 100l/min

    70 ms

  • Patient Connection

    Patient Connection

    Q

    What are the compatible disposable breathing circuits for the Puritan Bennett 540 ventilator?

    A

    The compatible disposable breathing circuits for the Puritan Bennett™ 540 Ventilator are as follows:

    Description

     

    Part Number

     

    Double limb patient circuit with exhalation valve,

    180 cm, PVC, sterile, ADULT

     

    5094000

     

    Double limb patient circuit with exhalation valve,

    180 cm, PVC, sterile, PEDIATRIC

     

    5093900

     

    Single limb patient circuit with exhalation valve, 180 cm, PVC, sterile, ADULT

     

    5093600

     

    Single limb patient circuit with exhalation valve, 180 cm, PVC, sterile, PEDIATRIC

     

    5093500

     

    Hudson RCI™* single limb patient circuit, ADULT

     

    1696

     

    Hudson RCI™* double limb patient circuit, ADULT

     

    690-50

     

    Allegiance™*/Cardinal™*/Airlife™* single limb patient circuit, ADULT

     

    6463-H08

    Q

    What interfaces can be used with the Puritan Bennett 540™ ventilator in the non-invasive mode?

    A

    The most current list of validated interfaces can be found on the Solvit Center Web site, or by clicking on the attachment below.

    Q

    Does the Puritan Bennett 540 ventilator compensate for compressible volume loss in the circuit?

    A

    The Puritan Bennett 540™ ventilator compensates for compressible volume loss for approved circuits. Listed below is the compressible volume loss based on the circuit description, whether single or double limb.

    · Pediatric single branch = 0.3 ml/cm H2O

    · Pediatric double branch/adult single branch = 0.6 ml/cm H2O

    Adult double branch = 1.2 ml/cm H2O

    Q

    Is the 540 ventilator more or less sensitive when using a single limb versus a dual-limb circuit?

    A

    The type of circuit used will not affect trigger sensitivities. The major difference between a single and dual limb circuit is the ability to measure exhaled volumes.

    Q

    Are the DAR™ circuits latex free?

    A

    DAR™ circuits are latex free and nonconductive. They are recommended for 15 days of use.

    Q

    When should I use a dual-limb circuit on the Puritan Bennett 540 ventilator?

    A

    If exhaled tidal volume or exhaled minute volume measurements are required to ensure correct patient ventilation, a double-limb patient circuit configuration is recommended. In the SIMV mode, a double-limb circuit is recommended. Leave the VTE Min setting active in case pressure losses are present on the patient circuit downstream from the proximal pressure link.

    Q

    Can I measure exhaled tidal volumes with a single-limb circuit on a Puritan Bennett 540 ventilator?

    A

    A length of large bore tubing attached to exhalation valve, of the Puritan Bennett 540 Ventilator, can be used to measure exhaled volumes as long as the tubing is no longer than the inspiratory limb, to minimize expiratory resistance. The expiratory flow sensor should be calibrated with the modified circuit to verify accuracy in volume measurements. After checking volume, remove the expiratory limb.

    Q

    What are the acceptable patient circuit and humidification configurations for the Puritan Bennett 540 ventilator?

    A

    The most current list of validated circuits is available on the Solvit Center Web site. See attachment and related FAQs below.

  • Service

    Service

    Q

    Is there a service manual for the Puritan Bennett 540™ ventilator?

    A

    Yes. The service manual is available and the part number is 10021600.

    Q

    What is the part number for the 15K PM kit for the Puritan Bennett 540 ventilator?

    A

    There is no single part number for the 15K PM kit for the Puritan Bennett™ 540 venitlator.  These parts need to be purchased individually and are listed below:

    Oxygen Valve Solenoid, 10028763

    Turbine, 10028769

    Exhalation Valve Solenoid, 3818699

    Cooling Fan, 10028754

  • Standards/Compliance

    Standards/Compliance

    Q

    Should the Puritan Bennett 540 ventilator be protected against liquid ingress?

    A

    Yes. The Puritan Bennett 540™ ventilator is an IP 31 class device and should be protected from the ingress of liquids and should never be immersed. However, a special lip on the rear of the ventilator has been designed to direct water away from the electrics.

    Q

    What standards are met by the Puritan Bennett 540™ ventilator?

    A

    General Standards

    • Medical Electrical Equipment: General Requirements for Safety IEC60601-1 1990 and all its amends up to 1995

    • The ventilator will be constructed to comply with the following product classifications as detailed in Clause 5 of IEC 60601-1:

    • Class II Equipment

    • Type BF Applied Parts

    • IP 31 with respect to ingress of moisture

    • Supplement No. 1-94 to CAN/CSA-C22.2 No. 601.1-M90 - Medical Electrical Equipment - Part 1: General Requirements for Safety

    Particular Standards

    • Lung Ventilators for Medical Use. Particular Requirements for Basic Safety and Essential Performance Part 2: Home Care Ventilators for Ventilator-Dependent Patient ISO10651-2 2004

    • Standard Specification for Ventilators Intended for Use in Critical Care ASTM F 1100 1997

    • Standard Specification for Electrically Powered Home Care Ventilators, Part 1 - Positive Pressure Ventilators and Ventilation Circuits ASTM F 1246 1991 (reapproved 2005)

    FDA Guidance

    • Reviewer Guidance for Premarket Notification Submissions, November 1993

    • PRD276 Draft Reviewer Guidance for Ventilators, July 1995

  • Technology

    Technology

    Q

    What is the temperature of the air as it exits the Puritan Bennett 540™ ventilator and the temperature when it reaches the patient?

    A

    With an ambient temperature of 35°C, the air temperature at the exit of the device is 53°C. The temperature decreases rapidly in the patient circuit and at the end of the tube, i.e., the patient, it is 41°C.

    Q

    What are the specifications of the turbine used in the Puritan Bennett 540™ ventilator?

    A

    The turbine is capable of a speed of 50,000 rpm. It requires no servicing and its life expectancy is 15,000 hours.

    The flow performance is as follows:

    Flow

    If pressure = 0 mbar

    0 to 200 LPM

    If pressure = 10 mbar

    190 LPM maximum

    If pressure = 20 mbar

    160 LPM maximum

    The pressure performance is as follows:

    Pressure

    If flow = 0 LPM

    70 mbar

    Note: As per ISO 10651-2 standard, the maximum pressure that could be reached by the unit under normal or single fault condition is 60 mbar.

    Q

    What type of internal battery is used in the Puritan Bennett 540 ventilator?

    A

    A lithium Ion (25.2 V – 4.8 Ah) battery with a fast recharging time and no memory effect is used.

    Q

    What is the reserve capacity of the internal battery on the Puritan Bennett 540 ventilator?

    A

    The reserve capacity of the internal battery depends on the ventilation settings, the patient’s physiology and on environmental conditions (temperature).

    The internal battery reserve capacity at 25°C is as follows:

    Displayed values

    Average operating time on internal battery power *

    Vt ≈ 200 ml

    PIP ≈ 10 cmH2O

    Rtot ≈ 20 bpm

    11 hours (-10%)

    Vt ≈ 300 ml

    PIP ≈ 20 cmH2O

    Rtot ≈ 15 bpm

    9 hours (-10%)

    Vt ≈ 500 ml

    PIP ≈ 30 cmH2O

    R ≈ 15 bpm

    6.5 hours (-10%)

    Maximum ventilation parameters

    4.5 hours (-10%)

    * Average durations shown are with a fully charged battery having less than 50 charge/recharge cycles.

    Note: When charging a depleted internal battery, it may be necessary to leave the ventilator on for four hours if the ventilator is on standby and 10 hours if ventilation is operating.

    Q

    Is the Puritan Bennett 540™ ventilator’s internal battery recharging when the device is connected to a DC power source? (external battery, car cable)

    A

    No. In this case the internal battery is not recharging. Only an external source of type 110/220 VAC network allows the recharging of the internal battery.

    Q

    How can you tell how much time is left on the internal battery of the Puritan Bennett 540 ventilator?

    A

    There is a visual display of real time internal battery life display in hours and minutes. When first turned on the unit will display a percent value, this will change to the real time display once the ventilator is able to calculate discharge rate.

    Q

    Does the internal battery of the Puritan Bennett 540™ ventilator recharge when the device is switched off or when ventilation is in progress?

    A

    The battery will charge as soon as the device is connected to the 110/220 VAC network, whether the device is switched off or in operation.

    Note: When ventilating, the time necessary to recharge of the battery is longer than when the device is on standby or switched off.

    Q

    Does the Puritan Bennett 540™ ventilator have a three-prong plug?

    A

    No. The unit does have a double insulated cord. This is acceptable for use in hospital environments. The device complies with the IEC 60601-1 norm that regulates the electric protection of all medical devices. It is a Class II device.

    Q

    If the ventilator is not used for several weeks/months, should it remain connected to an AC power source?

    A

    Yes. We recommend that the Puritan Bennett 540™ ventilator remains connected to an AC power source even if it not used for several weeks or months. This is the best way to ensure the battery remains in a fully charged state. Lithium ion technology allows the battery to retain its capacity even if it remains completely charged/discharged for several months.

    Q

    Can the Puritan Bennett 540™ ventilator be used with a 12 volt battery?

    A

    A DC cable is available for the Puritan Bennett 540™ ventilator that will allow the vent to be powered by a car power adapter (cigarette lighter). Note that this connection does not recharge the internal battery.

    Q

    Can the Puritan Bennett 540™ ventilator be operated using the cigarette lighter (12 VDC) of a car?

    A

    Yes. The ventilator can be connected to the cigarette lighter of a car using a DC power cable. The car’s engine needs to be running before the ventilator is connected to the cigarette lighter. The car battery is not able to charge the ventilator’s internal battery.

    Q

    Does the Puritan Bennett 540 ventilator beep when on the external battery?

    A

    No. When the external battery is connected and in use, the ventilator will not beep.

    Q

    Is the Puritan Bennett 540™ ventilator protected by fuses?

    A

    Yes. The device has three internal fuses: one on the electrical power inlet (110/220 VAC and 24 VDC) and one on the electronic board that controls the turbine and one on the CPU card. The fuses protect the device and should only be changed by a service provider or qualified service technician.

    Q

    Why does the value of the battery charge status vary even if the device is on standby on the Puritan Bennett 540 ventilator?

    A

    When on standby, the ventilator will continue to consume energy to light up the screen, to power the alarm LEDs, to sound the alarms and to check the charge status of the battery.

    Q

    What is the electric supply priority for the Puritan Bennett 540™ ventilator?

    A

    The electric supply of the Puritan Bennett 540™ ventilator is managed according to the priority principles below:

    •  External network 110-220 VAC = main source
    •  External battery or cigarette lighter = secondary source
    •  Internal battery = backup source

    Each time an external source of supply is lost (AC or DC), an alarm is activated and illuminated diodes (LED) on the keypad indicate which source of supply is in use.

    When the internal battery is in operation, a battery symbol (see attachment below) is displayed in each menu on the title line. If the ventilator is on standby, the charge status is displayed as a percentage. After the first five minutes of ventilation the charge status is displayed as the amount of time remaining.

    When the battery reaches a low reserve capacity, several levels of alarms will be activated.

  • Ventilation Settings

    Ventilation Settings

    Q

    Are P Control and P Support relative or absolute values on the Puritan Bennett 540 ventilator?

    A

    P Control and P Support are relative values. This means that the pressure delivered by the ventilator to the patient will be P Control or P Support level plus PEEP level

    Q

    Why would the exhaled tidal volumes read higher than what is being delivered on the Puritan Bennett 540 ventilator?

    A

    Check for moisture buildup on the exhalation valve or in the exhalation block. Excess moisture can sometimes interfere with the flow sensor calculations. Check to see that the correct circuit type is selected.

    Q

    How can you adjust the inspiratory time in pressure support breaths on the Puritan Bennett 540 ventilator?

    A

    When in VOL/AC and PC/AC modes, the inspiratory time (I time) can be set. In pressure support mode you have the option of adjusting rise time and expiratory sensitivity to adjust inspiratory times. In SIMV/PS breaths, changes in the pressure setting could change the inspiratory time.

    Q

    Is it possible to set a reverse I:E ratio on the Puritan Bennett 540 ventilator?

    A

    Yes. The inspiratory time can be set greater than the expiratory time, resulting in a reverse I:E ratio. However, the I:E ratio is limited to 2/1 in A/C modes.

    When the user sets an inspiratory time that exceeds the expiratory time, an Inversed I:E Ratio alarm will be activated. Before confirming that setting, ensure the setting is compatible with the physiological requirements of the patient.

    Q

    How is minute volume calculated on the Puritan Bennett 540 ventilator?

    A

    Flow delivered at each breath to the patient is measured by the inspiratory transducer, and that measurement is used to calculate minute volume (Vt x Rtot). The flow transducers do not directly measure volume. The displayed value is updated at each exhalation.

    Q

    Can you set a pressure support of 0 cm/H2O while in SIMV mode on the Puritan Bennett 540 ventilator?

    A

    No. The setting range for Pressure Support is 5 to 50 cm H20.

    Q

    How does circuit compensation work on the Puritan Bennett 540 ventilator?

    A

    Depending on the setting determined by the user in the preference menu, the ventilator will subtract the volume due to the compliance of the patient circuit. For example, using an adult double-branch circuit, the ventilator will automatically deduct a volume of 70 ml.

    The pediatric circuit function in the preference menu must be set to “Yes” when using a pediatric circuit.

    The Puritan Bennett 540™ ventilator will also automatically detect whether a single-limb or double-limb circuit is being used.

    Q

    How does the atmospheric pressure compensation work on the Puritan Bennett 540 ventilator?

    A

    The ventilator will automatically correct the inspiration flow depending on the barometric pressure measurement. That means the Vti and Vte monitoring will take into account variations in altitude to a maximum of 13,000 feet. This compensation is on by default in the setup menu of the ventilator.

    Q

    Do you need to recalibrate the flow sensor when you change the exhalation block on the Puritan Bennett 540 ventilator?

    A

    Whenever the exhalation block is removed or after installing a new one, the exhalation flow sensor must be calibrated. The exhalation block should be completely dry after cleaning and before installation and use.

    Q

    How does the exhalation flow sensor work on the Puritan Bennett 540 ventilator?

    A

    The exhalation flow sensor is a mass air-flow sensor containing a heated sensing element that converts mass airflow running through the sensor into a voltage. This sensor is only active when a dual-limb circuit is being used on the patient.

    Q

    What is apnea time = auto on the Puritan Bennett 540 ventilator?

    A

    In PSV mode, auto apnea time is 60 seconds divided by the backup rate. In CPAP mode, auto apnea time is 30 seconds. In SIMV modes, auto apnea time is 12 seconds. (See below)

    • In PSV mode, auto apnea time is 60 seconds divided by the backup rate.
    • In CPAP mode, auto apnea time is 30 seconds.
    • In SIMV modes, auto apnea time is 12 seconds.

    Q

    Is there any other way to regulate flow in volume mode in large patients without adjusting the I time on the Puritan Bennett 540 ventilator?

    A

    Changing the flow pattern (square or decelerating) will change the initial flow delivery.

    Q

    What maximum setting is allowed for the inspiratory volume in the Puritan Bennett 540 ventilator?

    A

    The maximum setting allowed for Vti is 2000 ml. This maximum value is not always attainable because it is linked to the Ti value. This link between Vti and Ti ensures the inspiration flow will always be less than 100 LPM.

    Q

    What is the minimum volume setting for the Puritan Bennett 540 ventilator?

    A

    The minimum Vt is 50 ml.

    Q

    What is the range of bias flow on the Puritan Bennett 540 ventilator?

    A

    The minimum bias flow occurs between PEEP of 0 and 5 cm H2O and is targeted at 5 LPM at the end of exhalation.

    Q

    How does bias flow work on the Puritan Bennett 540 ventilator?

    A

    The expiratory solenoid valve (three-way valve) is fully closed during the inspiratory phase and is proportionally controlled during the expiratory phase to obtain the bias flow. The speed of the turbine adapts to the expiratory pressure threshold during the entire expiratory phase to compensate for inadvertent leaks in the circuit beyond the bias flow and to help maintain the operator-set PEEP.

    Q

    What is the bias flow on Puritan Bennett 540 Ventilator?

    A

    The bias flow in the Puritan Bennett 540™ ventilator is delivered during the exhalation phase to prevent the patient from rebreathing CO2 at the end of the next inspiration and to control the PEEP level. The bias flow varies depending on the PEEP level, the difference between PIP and PEEP levels, inadvertent leakage, patient lung characteristics and the exhalation valve. Bias flow will not exceed 30 LPM.

    Q

    Can the E Sens in P/SIMV and V/SIMV modes be adjusted in the 540 ventilator?

    A

    Yes, the E Sens can be adjusted from 5 percent to 95 percent. The E Sens can be used to help manage cycling to exhalation phase in the presence of leaks.

    Q

    How is inspiratory sensitivity managed by the Puritan Bennett 540? ventilator?

    A

    Inspiration triggers are based on the inspiration flow signal. The ventilator compares variations in the flow signal every 20 msec. The inspiration flow signal is detected by making a comparison of actual values and not based on a threshold, and so the trigger detection is not influenced by leakage or bias flow.

    The sensitivity increases progressively during the exhalation phase to avoid false trigger detection at the beginning of exhalation.

    Q

    What flow levels correspond to the inspiratory sensitivity settings on the Puritan Bennett 540 ventilator?

    A

    5 = 8-10 LPM depending on PEEP

    4 = 7-9 LPM depending on PEEP

    3 = 6-8 LPM depending on PEEP

    2 = 5-7 LPM depending on PEEP

    1P = 3-5 LPM depending on PEEP

    The flow values are indicative values given for a particular test setup and are intended to show the sensitivity variation against the PEEP and Insp Sens setting configurations. They are not intended to be compared to simple flow-by threshold triggering commonly used by other ventilators.

    Q

    What is inspiratory sensitivity on the Puritan Bennett 540 ventilator?

    A

    The inspiration trigger sets the level of inspiratory effort the patient has to provide during the exhalation phase to trigger a machine breath. The inspiratory setting is a flow trigger setting. The sensitivity levels from 1P to 5 correspond to differences in flow compared to the bias flow. Level 1P is the most sensitive and requires the least effort to trigger breath. 1P is recommended for pediatric application. Level 5 requires the most amount of effort to trigger a breath.

    Q

    Is it possible to see an actual number for peak inspiratory flow or to calculate it with the Puritan Bennett 540 ventilator?

    A

    You can look on the flow graph and determine the approximate peak inspiratory flow. The flow is dependant on the inspiratory effort of the patient. Peak flow is calculated internally and varies depending on prescribed PEEP, pressure, volume settings and leaks in the system.

    Q

    How does the synchronized intermittent mandatory ventilation (SIMV) mode work in the Puritan Bennett 540 ventilator?

    A

    When set to a SIMV mode, the ventilator initiates breaths at a clinician-set volume or pressure, inspiratory time and rate. These mandatory breaths are synchronized with patient effort. If the patient triggers a spontaneous breath between ventilator-mandatory breaths, the ventilator will deliver a spontaneous breath, which is pressure supported. CPAP spontaneous breaths are not available in SIMV modes.

    The SIMV modes are:

    • V SIMV, if mandatory breaths are based on a volume setting

    • P SIMV, if mandatory breaths are based on a pressure setting

    Volume breaths in SIMV mode: In synchronized intermittent mandatory ventilation (SIMV), the mandatory volume breaths deliver the selected volume (Vt) over the selected inspiratory time (Insp Time). The shape of the flow of volume cycles is square. See the waveforms below.

     

    Pressure control breaths in SIMV mode: In SIMV mode, the mandatory pressure breaths deliver the selected pressure (P Control) over the selected inspiratory time (Insp Time). The shape of the pressure corresponds to a medium rise time.

    Pressure supported breaths in SIMV mode: In SIMV (or spontaneous) modes, the supported breaths maintain the selected pressure (P Support). Inspiration is triggered by patient-generated flow. The inspiration is terminated when inspiratory flow drops to the exhalation sensitivity (Exh Sens) setting (between 5 percent and 95 percent of peak flow).

    The SIMV mode is a combination of ventilator-initiated mandatory breaths (VIM), patient-initiated mandatory breath (PIM) and patient-initiated pressure supported breaths (PS). The alternation between them is determined by the setting of breath rate (rate) and an apnea time.

    Ventilator- and patient-initiated mandatory breaths are volume or pressure breaths depending on the mode VOL SIMV or Pres SIMV.

    In case of patient apnea (if the time that the patient stops breathing is longer than the apnea time setting), the ventilator will deliver VIM breaths at a backup rate. The backup rate is equal to the maximum between eight and the breath rate (R rate). Backup ventilation stops when three consecutive inspiration triggers are detected by the ventilator.

    If the apnea time setting is greater than 60/R rate setting, the ventilator will deliver VIM breaths at the R rate.

    If the ventilator detects an inspiratory trigger before the next VIM breath, it will deliver a PS breath. But if the trigger detection is too close to the next VIM breath (not enough time to deliver a PS breath in good condition), the ventilator will either deliver a PIM breath instead of the next VIM breath or delay the next VIM to allow enough time for the patient to exhale.

    Q

    Are pressure control and pressure support relative or absolute values on the Puritan Bennett 540 ventilator?

    A

    Pressure control and pressure support are relative values. This means that the pressure delivered by the ventilator will be the set pressure level plus positive end-expiratory pressure (PEEP) level.

    Q

    Is the CPAP mode available with a double-branch patient circuit on the Puritan Bennett 540 ventilator?

    A

    Yes. CPAP mode is available with a double-branch patient circuit. The advantage of this setup is that it enables the exhalation volume to be monitored. It is not necessary to add an exhaust port to the patient circuit or to use a mask that contains an expiration aperture. Non-vented masks are recommended for non-invasive application.

    Q

    Is the continuous positive airway pressure (CPAP) mode available with an exhalation valve on the Puritan Bennett 540 ventilator?

    A

    Yes. CPAP mode is available with an exhalation valve. Therefore, it is not necessary to add an exhaust port to the patient circuit or to use a mask that contains an expiration aperture.

    Q

    What ventilation modes are available on the Puritan Bennett 540 ventilator?

    A

    The Puritan Bennett 540™ ventilator offers a complete range of volumetric modes (VOL A/C), pressure modes (Pres A/C, PSV/CPAP) and SIMV modes of ventilation (VOL SIMV, Pres SIMV).

    Q

    What types of ventilation does the Puritan Bennett 540™ ventilator offer?

    A

    The Puritan Bennett 540™ ventilator provides volume and pressure ventilation; non-invasive ventilation (NIV) and invasive ventilation (IV) for temporary or continuous use.

    Q

    After turning on the Puritan Bennett 540 ventilator by the on/off switch on the back the unit goes right into ventilation rather than Standby. What might be the cause?

    A

    If after turning on the Puritan Bennett™ 540 Ventilator by the on/off switch on the back the unit goes right into ventilation rather than standby, this is indication the power-down sequence was not previously followed correctly. 

    To correct for this situation, simply place the ventilator in Standby first and then move the I/O switch to the O (off) position.

    Please see the attachment for additional information.

    Q

    Is the CPAP mode on the Puritan Bennett 540 ventilator available with a double branch patient circuit?

    A

    The CPAP mode the Puritan Bennett™ 540 Ventilator is available with a double branch patient circuit if the exhalation volume needs to be monitored.

    Q

    Is the CPAP mode on the Puritan Bennett 540 ventilator available with an exhalation valve?

    A

    The CPAP mode on the Puritan Bennett™ 540 Ventilator is available with an exhalation valve. Therefore an exhaust port should not be added to the patient circuit and masks that contain an expiration aperture should not be used.

    Q

    What ventilation modes are available on the Puritan Bennett 540 ventilator?

    A

    The Puritan Bennett™ 540 Ventilator offers a complete range of volumetric modes (VOL A/C), pressure modes (PRES A/C, PSV/CPAP) and SIMV modes of ventilation (VOL SIMV, PRES SIMV).

    Q

    What type of ventilation does the Puritan Bennett 540 ventilator offer?

    A

    The Puritan Bennett™ 540 Ventilator offers both non-invasive ventilation (NIV) and invasive ventilation (IV) for temporary or continuous use.

PB560 Ventilator 

  • General Questions

    General Questions

    Q

    Has the Puritan Bennett 560 been approved for air travel?

    A

    The Puritan Bennett 560 ventilator has been approved for international air travel only.  The attachment below will provide an explanation of this approval.

    Q

    What is the current software or firmware version for my ventilator.

    A

    For the current software or firmware version of your ventilator please contact your local service representative.

HT50

  • Parts and Accessories

    Parts and Accessories

    Q

    What are the part numbers for the batteries of the Newport HT50 ventilator?  

    A

    The part numbers for the battery for the Newport HT50 ventilator are.

    G19-00001-29 - Primary

    V09-13130-60 - Secondary

    BAT3302A - External Battery

    Q

    What is the part number for the external battery charger of the Newport™ HT50 ventilator?  

    A

    The part number for the battery external battery charger for the Newport™ HT50 ventilator is

    CHG3313P - External Battery Charger

    Q

    What is the part number for the auto lighter power adaptor of the Newport™ HT50 ventilator?  

    A

    The part number for the auto lighter power adaptor for the Newport™ HT50 ventilator is

    HT460085 - DC Auto Lighter Power Adaptor 

    Q

    What is the part number for the disposable proximal inline filters of the Newport HT50 ventilator?  

    A

    The part number for the disposable proximal inline filters for the Newport HT50 ventilator is.

              HT6004701 (Pack of 5)

    Q

    What is the part numbers for the Air intake filter of the Newport HT50 ventilator?  

    A

    The part numbers for the Air intake filter for the Newport HT50 ventilator is.

              HT460300 disposable (pack of 5)

  • General Questions

    General Questions

    Q

    What is the current software or firmware for my ventilator?

    A

    For the current software or firmware of your ventilator please contact your local service representative.

NewportTM Ventilators

  • General Questions

    General Questions

    Q

    Is there a resource I can access to optain the end of service letters for Newport ventilators?

    A

    Please find attached the end of service letters for Newport products. 

    Q

    What is the current software or firmware for my ventilator?

    A

    For the current software or firmware of your ventilator please contact your local service representative.