Trocar
Trocar
A Trocar (pronounced: troh-kahr) is a medical instrument with a sharply pointed end, often three-sided, used in medical and surgical procedures.
Etymology
The term "trocar" is derived from the French word "trois-quarts" meaning "three-fourths", which refers to the three sharp edges of the instrument.
Usage
A trocar is used in laparoscopic surgery or to drain collections of fluid such as abscesses. It is inserted into the body cavity to create a portal for the entrance of other medical instruments. The trocar functions by being pushed into the body, and its cannula remains in place for the duration of the procedure.
Related Terms
- Cannula: A tube that can be inserted into the body, often for the delivery or removal of fluid or for the gathering of data.
- Laparoscopy: A type of surgical procedure that allows a surgeon to access the inside of the abdomen (tummy) and pelvis without having to make large incisions in the skin.
- Abscess: A confined pocket of pus that collects in tissues, organs, or spaces inside the body.
- Surgical Procedure: An operation that involves cutting into a patient's body for the purpose of repairing or removing internal structures.
External links
- Medical encyclopedia article on Trocar
- Wikipedia's article - Trocar
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