A stylet, usually with a triangular point, used for exploring tissues or for inserting drainage tubes, as in dropsy.
Large needle-like instrument used for draining the body of embalming fluids and bodily fluids.
A sharp instrument with a three cornered tip that fits into a cannula, used to remove fluid from a cavity. trocart, from trois, three, + carre, side of a sword blade).
A sharp obturator used to assist the insertion of the bushings through soft tissue.
a long metal tube with sharp blades at one end and a connector for a hose at the other
a sharp-pointed instrument used with a cannula for piercing a vessel or chamber to facilitate insertion of the cannula
a surgical instrument that is used to gain access to a body cavity to perform, for example, laparoscopic or arthroscopic surgery and endoscopic procedures
a surgical stylet with a triangular point enclosed in a metal tube and used for withdrawing fluid from a cavity
an instrument used to measure the pressure of fluids or gases
a sharp pointed rod that fits inside a tube. page top
sharp, pointed instrument used to make a puncture incision in the abdominal wall. Used for placement of cannulas.
A surgical instrument used to access the abdomen before laparoscopic surgery.
A trocar (Fr. "three side") is a hollow cylinder with a sharply pointed end, often three-sided, that is used to introduce cannulas and other similar implements into blood vessels or body cavities. The trocar is often passed inside a cannula, and functions as a portal for the subsequent placement of other devices, such as a chest drain, intravenous cannula etc.
