Trocar

Example of a trocar

A trocar (Fr. "three side") is a cylinder with a sharply pointed end, often three-sided, that is used to introduce cannulas etc. into blood vessels or body cavities. The trocar is often passed inside a cannula, an functions as a portal for the subsequet placement of other devices, such as a chest drain, intravenous cannula etc.

From Wikipedia, the Free Encyclopedia. Original article here. Support Wikipedia by contributing or donating.
All text is available under the terms of the GNU Free Documentation License See Wikipedia Copyrights for details.