US Patent 7559940 Surgical biting punch

A surgical punch including an upper jaw and lower jaw that are coupled at their proximal ends. The jaws have cutting edges at their distal end configured to cut in a direction from the distal ends of the jaws towards the proximal ends of the jaws. The center of rotation of the cutting trajectory can be located above the initial cutting point of the lower jaw. The upper jaw can include a reversed slope leading edge. The jaws can be slidably coupled to each other. The coupling member can include a pin and slot to couple the movable jaw to an actuating rod.