trocar (redirected from Trueque)

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.

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tro·car (trkär)

n.

A sharp-pointed surgical instrument, used with a cannula to puncture a body cavity for fluid aspiration.

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Trocar

A sharp pointed tube through which a needle can be inserted.

Mentioned in: Joint Biopsy

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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.

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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.

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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.

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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.

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trocar

Laparoscopic surgery A blunt needle-shaped instrument used to withdraw fluid from a body cavity, or perform a 'centesis'. See Saber BT^™blunt-tip surgical.