Covidien LigaSure Vessel Sealing Devices: A Buyer's Guide to the LF and LS Models
Covidien LigaSure devices are single-use vessel-sealing instruments that fuse and divide vessels and tissue bundles using a combination of energy and pressure. The line includes open and laparoscopic configurations under part numbers such as LF1837, LF1937, LF4418, LF2019, LS1020, and LS1037. Choosing the right one depends on the procedure approach, jaw design, and shaft length.
What is a Covidien LigaSure device?
LigaSure is a vessel-sealing technology that permanently fuses vessels by applying precise energy and pressure across the instrument's jaws, then dividing the sealed tissue. It is widely used in general, gynecologic, urologic, and colorectal surgery to reduce reliance on clips and ties. Most LigaSure instruments are single-patient-use and are selected by surgical approach and target anatomy.
How do the LigaSure models differ?
LigaSure instruments differ mainly across three dimensions: surgical approach (open vs. laparoscopic), jaw design (straight, curved, or Maryland-style dissecting jaws), and shaft length for reaching deep or confined anatomy. The part-number prefix is a useful first signal of the instrument family.
| Model | Where to view |
|---|---|
| LF1837 | View LF1837 |
| LF1937 | View LF1937 |
| LF4418 | View LF4418 |
| LF2019 | View LF2019 |
| LS1020 | View LS1020 |
| LS1037 | View LS1037 |
The LF4418 is a LigaSure Impact open sealer/divider configuration. Exact jaw design, shaft length, and approach vary by model, so confirm the specification on each product page and against the manufacturer IFU before purchase.
What vessel size can LigaSure seal?
LigaSure technology is designed to seal vessels and tissue bundles up to 7 mm in diameter, depending on the specific instrument and its IFU. Because the seal is created by tissue fusion rather than a mechanical clip, there is no foreign material left at the seal site. Always verify the rated vessel size for the exact model you are using.
How do you choose the right LigaSure instrument?
Start with the surgical approach: open procedures use open sealers like the LigaSure Impact family, while minimally invasive cases need a laparoscopic shaft of the appropriate length and trocar compatibility. Then match the jaw design to the task — curved or Maryland jaws aid dissection, while straight jaws suit direct sealing. Finally, confirm the device is in date and that the configuration matches your generator/platform.
Frequently asked questions
What is the LF4418 used for? The LF4418 is a Covidien LigaSure Impact open sealer/divider used to seal and divide vessels and tissue bundles in open procedures.
Are LigaSure devices reusable? Most LigaSure instruments are single-patient-use devices. Confirm the reuse designation on the specific model's IFU.
What is the difference between the LF and LS LigaSure part numbers? The prefix indicates different instrument families and configurations within the LigaSure line. Review the individual product page for each model's approach, jaw design, and shaft length.
What vessel diameter can LigaSure seal? LigaSure is designed to seal vessels up to 7 mm depending on the specific instrument and its IFU.
Where to buy Covidien LigaSure devices
BKMedStore stocks Covidien LigaSure sealers across open and laparoscopic configurations. Browse current availability and expiration-dated inventory in the Staplers, Sealers and Cutters collection.
