trocar

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Related to trocars: Trochar

tro·car

 (trō′kär′)
n.
A sharp-pointed surgical instrument, used with a cannula to puncture a body cavity for fluid aspiration.

[French trocart : trois, three (from Old French, from Latin trēs; see trei- in Indo-European roots) + carre, side of an instrument (from Old French, from carrer, to square, from Latin quadrāre, from quadrum, square; see kwetwer- in Indo-European roots).]

trocar

(ˈtrəʊkɑː)
n
(Surgery) a surgical instrument for removing fluid from bodily cavities, consisting of a puncturing device situated inside a tube
[C18: from French trocart literally: with three sides, from trois three + carre side]

tro•car

(ˈtroʊ kɑr)

n.
a sharp-pointed surgical instrument enclosed in a cannula, used for withdrawing fluid from a cavity, as the abdominal cavity.
[1700–10; earlier trocart < French, literally, three-sided]
References in periodicals archive ?
Demographic data of patients, body mass indices (BMIs), entry point of the trocars (infratrans--supraumbilical), type of incision (vertical-transverse), duration of the operation, and scar properties at follow-ups were prospectively collected and analyzed.
[USPRwire, Thu Oct 18 2018] Global Trocars Market: Overview The global market for trocars is projected witness a major spike in the coming years as growing number of laparoscopic procedures are relying on this instrument.
[ClickPress, Thu Oct 18 2018] Global Trocars Market: Overview The global market for trocars is projected witness a major spike in the coming years as growing number of laparoscopic procedures are relying on this instrument.
I am performing hysterectomies in which I place two 5-mm nonbladed trocars through incisions inside the umbilicus and a minilaparoscopic percutaneous cannula below the bikini line; it is a "hybrid" procedure, in essence, that incorporates the use of mini-instrumentation.
Soon we fell in love with the very promising new technique, but at that time mini trocars and instruments were mostly disposable, and quite expensive, and worse, we needed to import them.
These include the classic closed entry, Hasson open method, safety (Sheathed) trocars, Optical Veress and optical trocars.
For this reason many alternative methods were introduced like open technique by Harrith Hasson, direct trocar, optical trocars, radially expanding trocar and disposable shielded trocars.9-11 But none of these entry techniques have proved to be better than others till yet, therefore various studies are continuously being carried out.
Surgical instruments inserted into the abdomen, called 'Trocars', used to be sharp and made of metal which carried additional risk of accidentally puncturing organs or spreading infection.