trocar (redirected from Duchenne's trocar)

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