Patent ID: 7811225
Filing Date: 2010-10-12
Classification: A61B

Abstract:
1. A trocar, comprising: a cannula; an obturator sleeve configured for insertion into said cannula, said obturator sleeve having a proximal end, and a distal end; a member at said distal end of said obturator sleeve, said member having a recess located externally of said obturator sleeve, and wherein the member and the obturator sleeve are secured to one another via a retaining ring; a cutting blade for penetrating body tissue positioned at said distal end of said obturator sleeve, said cutting blade being movable between a non-deployed position, in which said blade is disposed in said recess, and a deployed position, in which said blade is extended from said recess; and an actuator operatively connected to said cutting blade, said actuator selectively movable to move the cutting blade between the non-deployed position and the deployed position, wherein the actuator includes a trigger; and a blade drive member connected to said blade and said actuator.