Trocar having movable blade

Details Trocar having movable blade Trocar having movable blade

1996-09-18

1997-11-25

Buiz, Michael

Surgery

Instruments

Cutting, puncturing or piercing

606167, 604164, A61B 1734

Patent

active

056906641

ABSTRACT:
A surgical apparatus is provided for penetrating body tissue. The apparatus includes a cannula and an obturator configured for insertion into the cannula. The obturator has a body tissue cutting member mounted to a distal portion which is movable between deployed and non-deployed positions. An actuating mechanism is operatively associated with the tissue cutting member and is selectively controllable by a user so as to move the tissue cutting member between the deployed and non-deployed positions independent of the position of the obturator.

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