trocar

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trocar

 [tro´kahr]
a sharp-pointed instrument equipped with a cannula; used to puncture the wall of a body cavity and withdraw fluid or to introduce an endoscope.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

tro·car

(trō'kar),
An instrument for withdrawing fluid from a cavity, or for use in paracentesis. It consists of a metal tube (cannula) into which fits an obturator with a sharp three-cornered tip, which is withdrawn after the instrument has been pushed into the cavity; the name trocar is usually applied to the obturator alone, the entire instrument being designated trocar and cannula.
[Fr. trocart, fr. trois, three, + carre, side (of a sword blade)]
Farlex Partner Medical Dictionary © Farlex 2012

trocar

(trō′kär′)
n.
A sharp-pointed surgical instrument, used with a cannula to puncture a body cavity for fluid aspiration.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

trocar

Laparoscopic surgery A blunt needle-shaped instrument used to withdraw fluid from a body cavity, or perform a 'centesis'. See Saber BTblunt-tip surgical.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

tro·car

(trō'kahr)
An instrument for withdrawing fluid from a cavity, or for use in paracentesis; it consists of a metal tube (cannula) into which fits an obturator with a sharp three-cornered tip, which is withdrawn after the instrument has been pushed into the cavity; the name trocar is usually applied to the obturator alone, the entire instrument being designated trocar and cannula.
[Fr. trocart, fr. trois, three, + carre, side (of a sword blade)]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

trocar

A sharp-pointed surgical stilette normally used within a CANNULA to allow its insertion into a body cavity. After the trocar and cannula have been inserted into the body, the trocar is withdrawn, leaving the cannula in place.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

Trocar

A sharp pointed tube through which a needle can be inserted.
Mentioned in: Joint Biopsy
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Al igual que el mito del trueque, el origen primordial de la deuda seria un producto moderno, en este caso un mito nacionalista basado en un modelo tacito de sociedad como Estado-Nacion.
En su funcion de instrumento de medio de pago en las transacciones, la moneda evita un problema que bloquea el trueque. Este problema es conocido como la "doble coincidencia de los deseos": dos agentes que deseen hacer un intercambio deben disponer cada uno del bien demandado por el otro y en cantidad suficiente segun los precios reales.
Las transacciones de productos y animales se efectuaban preferentemente mediante el trueque, siendo marginal el uso de moneda (10).