MEDTRONIC NEUROLOGICAL SHUNTS MRI INFORMATION

Medtronic Neurosurgery’s values reflect our mission to restore health and extend life. Providing important information about our products is a key element of these values. This page contains information regarding the use of Medtronic Neurosurgery products in a Magnetic Resonance (MR) environment.

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MRI RESOURCE LIBRARY

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NEUROLOGICAL SHUNTS PRODUCT INFORMATION

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STRATA ADJUSTABLE VALVES: MR CONDITIONAL

Strata™ Adjustable Valves are considered Magnetic Resonance Conditional in accordance with ASTM F2503. Magnetic Resonance Imaging (MRI) systems of up to 3.0 tesla and a spatial gradient magnetic field of 720 gauss/cm or less, may be used at any time after implantation without damaging the Strata Adjustable Valve mechanism.

However, exposure to MRI can change the performance level setting of the Strata Adjustable Valve. The Strata Adjustable Valve performance level setting should always be checked before and after MRI exposure.

Product Series

Model Numbers

Adjustable?

MRI Compatibility

Notes

Strata I Valves*

42855

46855

42865

46865

Yes

MR Conditional

No IFU is available due to age of product. Product numbers were found from multiple sources.

Strata NSC Valves

42365

92365

42355

92355

Yes

MR Conditional

 

Strata II Valves

42866

92866

42856

92856

Yes

MR Conditional

 

Strata Shunt

 

46856

27814

46866

27815

46655

46665

96655

96665

27818

27819

46871

46876

27820

46070

46075

46080

46085

27786

27824

27821

46881

46886

27787

27825

27816

27817

27739

27740

27822

27823

27788

27789

Yes

MR Conditional

 

Strata NSC Lumboperitoneal Shunt System

44421

44420

44430

44465

Yes

MR Conditional

 

Strata Burr Hole Valve

 

42836

Yes

MR Conditional

 

Other Strata Part Numbers

46837

46636

 

 

MR Conditional

 

STRATAMR ADJUSTABLE VALVES: MR CONDITIONAL

StrataMR™ Adjustable Valves are considered Magnetic Resonance Conditional in accordance with ASTM F2503. A patient with this device can be safely scanned in an MR system of 1.5 or 3.0 tesla static magnetic field and a maximum spatial gradient magnetic field of 1900 gauss/cm.

Product Series

Model Numbers

Adjustable?

MRI Compatibility

Notes

StrataMR Valves

42965

42955

Yes

MR Conditional

 

STRATA II ADJUSTMENT KIT, STRATAVARIUS SYSTEM, AND STRATAMR ADJUSTMENT TOOLS: MR UNSAFE

Do NOT take these tools into an MRI facility as as the magnets within the tools may be a potential safety hazard to the patient and/or user. Move out of the vicinity of the MRI suite before verifying a valve setting.

Product Series

Model Numbers

Adjustable?

MRI Compatibility

Notes

Pending Product

Numbers

 

 

 

MR Unsafe

 

NON-ADJUSTABLE, FIXED-PRESSURE VALVES, CSF-FLOW CONTROL VALVES, DELTA VALVES: MR SAFE

Non-adjustable valves such as Delta™ and CSF-Flow Control Valves do not contain any metal materials. They are considered MR Safe in accordance with ASTM F2503.

Product Series

Model Numbers

Adjustable?

MRI Compatibility

Notes

Delta Valve

 

24053

24048

42822

42823

42824

92822

92823

92824

24147

42812

42813

42814

92812

92813

92814

27219-1

27219-5

27219-2

27224-1

27224-2

27224-4

27224-5

No

MR Safe

A radiopaque code on the valves indicates valve performance levels and allows x-ray identification of the performance characteristics of the devices:

The code corresponds to Performance Level 1, Performance Level 1.5, and Performance Level 2. The use of the distal catheter results in resistance to flow. The maximum additional resistance to flow is 2 cm H2O at a flow rate of 20 mL/hour.

 

Delta Burr Hole Valve

 

42830

42832

42833

42834

42840

42842

42843

42844

92832

92833

92834

92842

92843

92844

No

MR Safe

 

Delta Shunts

 

46822

46823

46824

24039-1

24039-5

24039-2

46812

46813

46814

24133-1

24133-2

24133-4

96822

96823

96824

96812

96813

96814

24028-1

24028-5

24028-2

24027-1

24027-5

24027-2

25121-1

25121-5

25121-2

46832

46833

46834

24013-1

24013-5

24013-2

25014-1

25014-5

25014-2

 

 

 

No

MR Safe

 

CSF-Flow Control Valves

 

Contoured Regular

23093

42322

42324

42326

92322

92324

92326

 

Contoured Small

27102

42312

42314

42316

92312

92314

92316

 

Ultra Small

42410

42412

42414

 

Button

24003 LL

24003 L

24003 M

 

Burr Hole

42532

42534

42536

42542

42544

42546

 

 

No

MR Safe

Includes:

Contoured Regular

Contoured Small

Ultra Small

Button

Burr Hole

 

CSF-Flow Control Shunt

Assemblies, Kits and Unitized Shunt Kits

 

46642

46644

46646

9046 B-L

9046 B-M

9046 B-H

46622

46624

46626

9009 B-L

9009 B-M

9009 B-H

22017 B-LL

22017 B-L

22017 B-M

46012

46014

46016

 

 

 

No

MR Safe

 

CSF-Unitized Shunt

 

46022

46024

46026

46220

46222

46224

46240

46242

46244

No

MR Safe

 

CSF-Snap Shunt Assemblies

 

46560

46562

46564

46540

46542

46544

 

No

MR Safe

 

RESERVOIRS, PORTS, AND SHUNT ACCESSORIES: MR SAFE

Other hydrocephalus therapy products, such as reservoirs, ports, and implantable accessories including fixation tabs and catheter connectors, are all considered MR Safe as they do not contain any metal materials, with only one exception: the Stainless Steel Straight Catheter Connector, model number 25027.

Special attention should be taken if the surgeon chooses to use the stainless steel straight catheter connector, since this product is MR Conditional according to ASTM F2503. Patients with the stainless steel catheter connector implants can safely undergo MRI under an MR system of 1.5 or 3.0 tesla static magnetic field, and a maximum spatial gradient magnetic field of 3000 gauss/cm.

Product Series

Model Numbers

Adjustable?

MRI Compatibility

Notes

CSF Ventricular Reservoirs

 

CSF-Ventricular Reservoir

44100

44101

20038A

20038B

20038C

20038D

9013C

9013A

9013B

9013F

9042D

9042A

9042B

9042C

22039

9053

24084

21029

20028

44102

44103

9019

44104

44105

44108

44111

44113

21000A

21000B

 

CSF-Small Reservoir

24106A

24106B

24106C

24106D

24106E

24106F

24106G

23038A

23038B

23038C

23038D

23038E

22104

22101E

22101C

22101A

22101B

22101D

 

CSF-Ventriculostomy Reservoir

44210

44200

 

CSF-Ventriculostomy Reservoir Kit

44201

44211

 

CSF-Snap Assembly Ventriculostomy Reservoir Kit

22050B

 

No

MR Safe

 

Catheters

 

Peritoneal Catheter

43522

43551

25024

22014

23092

23047

22013

21004

43209*

9007 L*

9007 M*

9007 H*

22002 L*

22002 M*

22002 H*

43103*

43111*

25104*

24148*

24010*

 

 

Peritoneal Catheter, Small Lumen

43555

 

Peritoneal Catheter with BioGlide

93522

 

Cardiac Catheter

43418

 

Ventricular Catheter

41101

41207

9025

41701

27771

41103

41115

91503

27251

99102

27240 (BioGlide/Barium Impregnated)

27165

27211

27600 (Innervision tip)

41308

 

Opus Ventricular Catheter

41501

41503

 

MR Safe

*Cardiac use as well

 

MRI GUIDELINES

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