Ultrasonic treatment instrument for medical operation

摘要

An ultrasonic treatment instrument for medical operation is provided which includes a handpiece having a cover serving as a grip, and an ultrasonic vibrator provided inside the cover for generating ultrasonic vibration. A vibration transmitting member is connected to the ultrasonic vibrator while extending from the handpiece, for transmitting the ultrasonic vibration generated by the ultrasonic vibrator. And a treatment portion is provided at a distal end of the vibration transmitting member, for treating living body tissues by the ultrasonic vibration transmitted by the vibration transmitting member. The vibration transmitting member extends while bent at a plurality of bent portions so that the treatment portion is positioned on or near an extension of a central axis of the handpiece.