Intermediate
Technical
IVT
extracorporeal knot
A surgical knot tied outside the body and then pushed into the operative site through a trocar during laparoscopic surgery.
Full Definition
A knotting technique used in laparoscopic surgery where the surgeon ties knots outside the patient's body and then advances them into the operative field using a knot pusher or similar instrument. This technique is often easier and faster than intracorporeal knot tying, particularly in confined spaces or when working with limited dexterity. The method is commonly used for securing sutures around vessels, organ pedicles, or for tissue approximation.
Usage
Usage note: Distinguish clearly from intracorporeal techniques in operative documentation.
In Context
- "The appendiceal stump was secured with an extracorporeal knot using absorbable suture." — Operative report
- "Extracorporeal knot tying allows for more precise tension control than clips." — Technique description
Also known as
external knot
push knot
Contrasted with
intracorporeal knot
Don't confuse with
intracorporeal suturing
slip knot