Patent ID: 6432118
Filing Date: 2002-08-13
Classification: A61B

Abstract:
An ultrasonic clamp coagulator apparatus comprising:a housing, said housing comprising an actuator; an ultrasonic waveguide positioned within said housing, said ultrasonic waveguide comprising an end-effector extending distally from said housing, said end-effector comprising an edge, wherein said edge is defined by the intersection of a first surface and a second surface, wherein said first surface is concave and wherein said second surface is convex; a clamp arm pivotally mounted on said housing, said clamp arm pivotable with respect to said end-effector for clamping tissue between said clamp arm and said end-effector; and an actuation mechanism within said housing, said actuation mechanism connected between said clamp arm and said actuator, said actuation mechanism adapted to actuate said clamp arm pivotably with respect to said end-effector.