Patent ID: 6958070

Claim:
An ultrasonic clamp coagulator apparatus comprising: a housing; an ultrasonic waveguide positioned within said housing, said ultrasonic waveguide having an end-effector extending distally from said housing; 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, said clamp arm comprising: a top surface, said top surface comprising a plurality of holes; a bottom surface opposite said top surface, said bottom surface comprising a plurality of engaging surfaces; and a slot extending from the proximal end of said clamp arm distally into said clamp arm, wherein said slot is straight from said proximal end of said clamp arm to the most proximal of said plurality of holes; wherein said plurality of holes extend from said top surface to said plurality of engaging surfaces of said bottom surface; and an actuating element within said housing, said actuating element connected to said clamp arm, said actuating element adapted to actuate said clamp arm pivotably with respect to said end-effector.