Trocar meaning

trōkär
A sharp-pointed surgical instrument, used with a cannula to puncture a body cavity for fluid aspiration.
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A surgical instrument consisting of a sharp stylet enclosed in a tube (cannula) and inserted through the wall of a body cavity: the stylet is withdrawn permitting fluid to drain off through the tube.
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A sharp-pointed surgical instrument, used with a cannula to puncture a body cavity for fluid aspiration.
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A pointed hollow cylindrical device used to make small incisions and surgically insert cannulas, etc., into body cavities, or to aspirate fluids.
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Origin of trocar

  • French trocart trois three (from Old French) (from Latin trēs trei- in Indo-European roots) carre side of an instrument (from Old French) (from carrer to square) (from Latin quadrāre) (from quadrum square kwetwer- in Indo-European roots)

    From American Heritage Dictionary of the English Language, 5th Edition