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.

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 It consists of a metal tube (cannula) into which fits an obturator with a sharp three-cornered tip, which is withdrawn after the instrument has been pushed into the cavity; the name trocar is usually applied to the obturator alone, the entire instrument being designated trocar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)]

trocar

/tro·car/ (tro´kahr) a sharp-pointed instrument equipped with a cannula, used to puncture the wall of a body cavity and withdraw fluid.

trocar

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

trocar

[trō′kär]
Etymology: Fr, trois, three, carres, sides
a sharp, pointed rod that fits inside a tube. It is used to pierce the skin and the wall of a cavity or canal in the body to aspirate fluids, to instill a medication or solution, or to guide the placement of a soft catheter. The trocar is usually removed, and the catheter, tube, or instrument is left in place. See also cannula.

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.

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it consists of a metal tube (cannula) into which fits an obturator with a sharp three-cornered tip, which is withdrawn after the instrument has been pushed into the cavity; the name trocar is usually applied to the obturator alone, the entire instrument being designated trocar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)]

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 After the trocar and cannula have been inserted into the body, the trocar is withdrawn, leaving the cannula in place.

Trocar

A sharp pointed tube through which a needle can be inserted.
Mentioned in: Joint Biopsy

trocar

a sharp-pointed, needle-like instrument equipped with a cannula; used to puncture the wall of a body cavity and withdraw fluid or gas. An especially large bore trocar and cannula, 1.0 to 1.5 cm diameter, is used in the treatment of bloat in cattle.

bleeding trocar
a large bore, about 10 gauge, needle with a ferruled hub for the attachment of rubber tubing.
Duchenne's trocar
a trocar for obtaining specimens of deep-seated tissues.
References in periodicals archive ?
Alli vemos de nuevo la diferencia temporal con el cambio del tipo trueque que se efectua en el momento y no permite la prolongacion de la relacion a traves del tiempo, evitando consolidar una deuda, una obligacion, un lazo.
Hace algo mas de una decada, los medios de comunicacion se hicieron gran eco de la explosion de iniciativas de trueque en Argentina.
La desventaja de los prestamos con China, y otros programas de trueque, es que PDVSA no recibe ningun dinero de las ventas, y debe cubrir los costos de produccion.
Graeber se distancia de manera ingeniosa, senalando que las premisas de Nietzsche eran otras: asumia la naturaleza humana como Adam Smith, donde los humanos son racionales, calculan y donde el trueque es el pivote de las relaciones sociales.
Dejar atras el analisis real significa rechazar el trueque.
A la fecha del desarrollo de esta indagacion, el grupo base del trueque llevaba siete eventos, con un promedio de asistencia de 150 personas en cada uno.
La via de "capitalizacion" de los otros arrieros es el incremento de los valores de cambio de los productos ofrecidos y obtenidos en el trueque transfronterizo.
Pese a lo que venimos viendo, es decir, una fractura basica del horizonte de recepcion y un trueque de actitudes que no hizo mas que invertir el signo de dicha fractura, se produjo una posible via de conciliacion de tipo estetico.
The eighth model defines Solidarity Exchange Groups, and the ninth model defines Groups of Community Trueques (barter).
Para constatar estos juegos de trueque de perspectivas puede constarse el reciente libro Gilberto Owen en El Tiempo de Bogota, donde uno de los textos rescatados, "Francia ante las dictaduras.
La influencia de Ympyn, por su tratado holandes/frances (1543) y la traduccion inglesa (1547), se aprecia en The pathe waye en el cierre del Libro Mayor y en la forma que ambos tienen de tratar las operaciones de trueque.
Los 10 articulos del Dossier definen un espacio variopinto y de apertura, con temas tan distintos entre si como el contraste entre obras producidas en dos momentos distintos del arte colombiano y su relacion con la realidad sociopolitica del pais (Maria Margarita Malagon), y la permanencia del trueque entre el pueblo indigena de Kokonuco como una tradicion que representa a la vez resistencia y fortalecimiento (Jairo Tocancipa).