Trocar

Details Trocar Trocar

1995-03-07

1996-07-09

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604167, 604264, A61M 5178, A61M 2500

Patent

active

055339778

ABSTRACT:
A trocar for placement in the lumen of a cannula to facilitate inserting the cannula through tissue is disclosed. The trocar has an improved trigger/obturator assembly wherein the trigger comprises tissue cam parts each having (a) planar outer surfaces, and (b) an arcuate end portion at the distal end of the trigger including a distal edge surface that is arcuate about an axis normal to the outer surfaces. The arcuate end portions intersect at edge surfaces which are obscured by the arcuate end portions.

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"The Source of Laparoscopic Innovation", by Origin Medsystems, Inc., four (4) pages, 1992.

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