Frequently Asked Questions:
What does a vessel sealer do?
A vessel-sealing system can seal the vessel wall by denaturing the collagen and elastin in the wall and completely occluding the blood vessel using bipolar electrothermal energy. The vessel-sealing system can easily occlude vessels exposed by clamp crushing or an ultrasonic dissector during liver parenchyma division.
Which instrument is used for vessel sealing?
thermoclamp electrosurgical forceps
This instrument is efficient and safe for sealing vessels up to 7mm in diameter because it signals when the process is complete.
How are blood vessels sealed?
Sealing of a vessel is effected by application of controlled radiofrequency energy while the vessel is compressed, and the vessel is cut via movement of a knife under a consistent shear.
What is the difference between a sealer and a sealant?
Sealants can either penetrate the surface or form a very thin surface layer (typically less than 3 mils). Coatings are typically used to describe thicker surface treatments. Sealants, also known as caulks, are used to fill voids, gaps, cracks, and joints.
What seals leaks in blood vessels?
Endothelial cells that line blood vessels form a barrier that keeps blood inside the vessel and regulates how easily other substances can pass in and out. These connections are known as adherens junctions.
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