Patent ID: 7823760
Filing Date: 2010-11-02
Classification: A61B

Abstract:
1. A surgical instrument, comprising: a housing; an endoscopic portion extending distally from the housing and defining a first longitudinal axis; an end effector disposed adjacent a distal portion of the endoscopic portion, the end effector including an anvil assembly and a cartridge assembly, the anvil assembly is pivotally coupled to the cartridge assembly between a first open position spaced from the cartridge assembly and a second position in approximation with the cartridge assembly; a firing rod defining a second longitudinal axis, and a dual rotary cam member having a pair of opposing camming surfaces rotatable by the firing rod, the cam member being in contact with a proximal end of an inner surface of the anvil assembly and moving the anvil assembly between the first position and the second position, upon rotation of the firing rod about the second longitudinal axis.