ULTRASONIC CUTTING BLADE WITH COOLING

摘要

An ultrasonic surgical blade (12) has a blade body with a smooth continuous cutting edge (42) and a shank (32) connected at one end to the blade body an d operatively connectable at an opposite end to a source of ultrasonic vibrations. The shank is provided with at an axially extending bore (50) for the conveyance of cooling fluid to the cutting edge, while the blade body is provided with at an axially extending through-slot (56) communicating at one end with the bore. The blade body is preferably provided at an end opposite the shank with a recess (58) communicating with the bore for distributing fluid from the slot towards the cutting edge.