Trocar flapper valve

Details Trocar flapper valve Trocar flapper valve

1996-08-13

1999-11-23

McDermott, Corrine

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604167, 2511491, A61M 500

Patent

active

059892285

ABSTRACT:
A trocar is formed from a cannula and an interfitting obturator for penetrating body cavity walls in laparoscopic and endoscopic surgery. The cannula has an improved inexpensive flexible flapper valve and can be manufactured with a reusable cannula tube but disposable flapper valve assembly to minimize cost.

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