Patent ID: 8403926
Filing Date: 2013-03-26
Classification: A61B

Abstract:
1. A surgical device, comprising: an elongate shaft comprising proximal and distal ends; an articulation joint comprising proximal and distal ends, the proximal end coupled to the distal end of the elongate shaft, wherein the proximal end of the articulation joint is rotatably coupled to the distal end of the elongate shaft; an articulation actuator extending through the elongate shaft and coupled to the articulation joint, wherein the articulation actuator is translatable along the longitudinal axis of the elongate shaft to articulate the articulation joint, wherein the articulation actuator is rotatable within the elongate shaft to rotate the articulation joint about the longitudinal axis of the elongate shaft, wherein the rotation of the articulation joint about the longitudinal axis is independent of an articulation action of the articulation joint, and wherein the articulation actuator comprises a hollow elongate tube; an actuation wire extending through the elongate shaft, the articulation actuator, and the articulation joint, wherein the rotation and translation of the actuation wire are independent of rotation and translation of the articulation actuator; and an end effector, comprising: wherein the actuation wire is translatable along a longitudinal axis of the elongate shaft to extend and retract the distal end of the hook knife relative to the distal tip; and wherein the articulation joint is articulatable relative to the longitudinal axis of the elongate shaft to allow the end effector to be angularly oriented relative to the elongate shaft.