Trusted Performance. Enhanced Design.

The LigaSure™ 5 mm blunt tip 23 cm sealer and divider (LF1623) combines the signature sealing consistency of LigaSure™ technology with long cutting length, atraumatic grasping and blunt dissection.

Based on surgeon feedback, Covidien modified the LigaSure™ 5 mm blunt tip devices to enhance performance and ease of use¹. Building on the consistency of predecessor devices, the LF1623 offers the following improvements1, 2*:

  • Improved blunt dissection
  • Better stability
  • Greater comfort and reduced fatigue 

The LigaSure™ 5 mm blunt tip 23 cm instrument enables cutting independent of sealing, and provides sealing, grasping and access to surgical structures to accommodate a variety of open procedures, including:

  • Axillary dissection
  • Colectomy
  • Cystectomy
  • Gynecological
  • Hemorrhoidectomy
  • Liver resection
  • Modified radical mastectomy
  • Nephrectomy
  • Prostatectomy
  • Roux-en-Y gastric bypass
  • Splenectomy
  • Whipple

 Based on independent surgeon feedback collected during Covidien-sponsored porcine labs conducted in October 2; R0038389
2 Gold Validation Marketing Report
*As compared to the predecessor device

LigaSure™ 5 mm Blunt Tip 23 cm Instrument Features

Product Animation:
LigaSure™  5 mm Blunt Tip 23 cm Instrument
LigaSure™  5 mm Blunt Tip 23 cm Instrument

Contour tip: Facilitates fast dissection and creation of windows

Long cutting length: 17.8 mm

Atraumatic grasping: 
Grasps tissue strongly without causing damage

Wide jaw opening: Allows for better access to structures 

Shaft length: 23 cm, designed for use in open surgery 

Integrated cutting mechanism: Independent of sealing, leaves critical decisions in the surgeon’s hands

Ergonomic ring handle design: Accommodates a wide range of hand sizes

Rotation wheel: Facilitates access to hard to reach structures


Along with the enhanced design, the instrument offers the signature performance and sealing consistency of LigaSure™ technology:


  • The LigaSure 5 mm blunt tip instrument was designed to offer the longest cutting length (17.8 mm) compared to other commercially available sealing devices
  • Hand piece allows for left and right handed use


  • Fuses vessels (arteries and veins) up to and including 7 mm in size, including lymphatics and tissue bundles

Time Savings:

  • Seals vessels, up to and including 7 mm, lymphatic and tissue bundles in 1-4 seconds when used with our energy platforms *


* Based on Covidien memo: "LigaSure Data Sources for VLFT10 White Papers." September 2015 RE00025819 Rev A.


Physical Characteristics & Generator Compatibility
Length 23 cm (7.9 in)
Shaft Diameter 5 mm
Shaft Rotation 180 Degrees
Jaw Design Straight, Blunt
Seal Length 19.5 mm
Cut Length 17.8 mm
Generator Compatibility Covidien Energy Platforms
General Characteristics
Sterile, Single Use
Hand Switching or Foot Switching
Order Information
Order Code LF1623
Ordering Quantity 6 Units/Case

LigaSure™ Technology – Delivering Performance Beyond Expectations

Across the range of products and procedures, LigaSure™ technology delivers a unique combination of pressure and energy to create a consistent seal with each application.

  • Provides a combination of pressure and energy to create vessel fusion
  • Permanently fuses vessels up to and including 7 mm in diameter and tissue bundles without dissection or isolation
  • Average seal cycle is 2 to 4 seconds, when used with the ForceTriad™ energy platform
  • Seals withstand three times normal systolic blood pressure
  • Feedback-controlled response system automatically discontinues energy delivery when the seal cycle is complete, eliminating the guesswork

LigaSure™ instruments have been found to:

  • Have the highest burst pressure, fastest sealing time and were highest rated overall compared to Gyrus PK™*, Harmonic ACE™* and ENSEAL™*1
  • Reduce blood loss compared to sutures and clips 2, 3
  • Reduce procedure time compared to sutures 2,3
  • Reduce patient length of stay compared to sutures 2

Compared to mechanical ligation techniques, LigaSure™ technology has been shown to:

  • Significantly reduce operative blood loss in colorectal, gynecologic and urologic surgery 4-9
  • Significantly reduce perioperative blood transfusions in gynecologic, urologic and general surgery 8, 10, 11
  • Significantly reduce procedure time in colorectal, gynecologic and urologic surgery 4, 6, 7, 9, 12, 13
  • Significantly reduce length of hospital stay in gynecologic and urologic surgery 6, 13

Compared to other energy-based modalities, LigaSure™ technology has been shown to:

  • Significantly reduce operative blood loss in colorectal and gynecologic surgery 14-17
  • Significantly reduce procedure time in colorectal and gynecologic surgery 14, 17

What is TissueFect™ sensing technology?

TissueFect™ sensing technology is the control system for the ForceTriad™ energy platform, designed to precisely manage energy delivery, creating a range of options for desired tissue effect. TissueFect™ sensing technology monitors changes in tissue impedance 3,333 times a second, and adjusts energy output accordingly to deliver the appropriate amount of energy for the desired tissue effect.

What is LigaSure™ tissue fusion?

LigaSure™ vessel sealing technology has been updated and improved in the ForceTriad™ energy platform, controlled by TissueFect™ sensing technology. LigaSure™ tissue fusion, like LigaSure™ vessel sealing, uses the body’s own collagen and elastin to create a permanent fusion zone. This technology can fuse vessels up to and including 7 mm, lymphatics, tissue bundles and pulmonary vasculature, and has an average seal cycle of two to four seconds in most surgical situations.

1 Lamberton GR, Hsi RS, Jin DH, Lindler TU, JellisonFC, Baldwin DD. Prospective comparison of four laparoscopic vessel ligation devices. J Endourol. 2008;22(10):2307-2312.

2 Ding Z, Wable G, Rane A. Use of LigaSure bipolar diathermy system in vaginal hysterectomy. J Obstet Gynaecol. 2005;25(1): 49-51.

3 Levy B, Emery L. Randomized trial of suture versus electrosurgical bipolar vessel sealing in vaginal hysterectomy. Obstet Gynecol. 2003;102(1):147-151.

4 Targarona, et al. A prospective randomized comparison of conventional electrosurgery, biopolar computer-controlled electrosurgery and ultrasonic dissection. Operative Outcome and Cost analysis. Surgical Innovation. 2005 Dec;12(4):339-344.

5 Manouras, et al. Sutureless open low anterior resection with total mesorectal excision for rectal cancer with the use of the electrothermal bipolar vessel sealing system. 2007. Med Sci Monit; 13(5): CR224-230.

6 Ding Z, et al. Use of LigaSure bipolar diathermy system in vaginal hysterectomy. Journal of Obstetrics Gynaecology. 2005 Jan;25(1):49-51.

7 Levy B, Emery L. Randomized Trial of Suture Versus Electrosurgical Bipolar Vessel Sealing in Vaginal Hysterectomy. Obstetrics and Gynecology. 2003 Jul;102(1):147-151.

8 Tamussino K, et al. Electrosurgical bipolar vessel sealing for radical abdominal hysterectomy. Gynecologic Oncology. 2005 Feb; 96(2):320-322.

9 Leonardo C, et al. Laparoscopic nephrectomy using LigaSure system: preliminary experience. Journal of Endourology. 2005 Oct;19(8):976-8.

10 Daskalopoulos G et al. Electrothermal bipolar coagulation for radical prostatectomies and cystectomies: a preliminary case-controlled study. International Urology and Nephrology. 2004;36(2):181-185.

11 Romano F, et al. Laparoscopic Splenectomy: LigaSure versus EndoGIA: A Comparative Study. J Laparoendoscopic & Adv Surg Techniques. 2007. Vol. 17, No. 6.

12 Cronje HS, et al. Electrosurgical bipolar vessel sealing during vaginal hysterectomy. Int J Gynaecol Obstet. 2005 Dec;91(3):243-5.

13 Metzelder ML, et al. Laparoscopic nephroureterectomy in children: a prospective study on LigaSure versus Clip/Ligation. Eur J Pediatr Surg. 2006 Aug;16(4):241-4.

14 Araki Y, et al. Clipless hand-assisted laparoscopic total colectomy using LigaSure Atlas. Kurume Medical Journal. 2004;51(2):105-8.

15 Campagnacci R, et al. Electrothermal bipolar vessel sealing device vs. ultrasonic coagulating shears in laparoscopic colectomies: a comparative study. Surg Endosc. 2007 Feb 8.

16 Takada et al. Comparative study of electrothermal bipolar vessel sealer and ultrasonic coagulating shears in laparoscopic colectomy. Surgical Endoscopy. 2005;19:226-228.

17 Demirturk F, et al. Comparison of the use of electrothermal bipolar vessel sealer with harmonic scalpel in total laparoscopic hysterectomy. J Obst Gynaecol Res. 2007; 33 (3):341-345.