Patent ID: 9662513
Date: 2017-05-30
CPC Classifications: A61B

Claim:
1. A treatment device comprising: an ultrasonic vibration element unit having an ultrasonic vibration element that generates ultrasonic vibration in response to a supply of electric power; a probe unit configured to transmit the ultrasonic vibration generated by the ultrasonic vibration element unit to a distal end side and give a treatment, the probe unit including a jaw and a probe distal end portion that open and close in an alligator mouth shape, and hold a treatment target region, the jaw including: a handle unit having the probe unit penetrating therethrough, the handle unit being configured to hold the probe unit in a revolvable state in a predetermined periaxial direction; a protruding portion preventing the handle unit from relatively revolving around an axis of the probe unit, the protruding portion being: (i) sandwiched between the handle unit and the probe unit, and (ii) fixed at a node position of vibration of the probe unit; and a damaged portion formed on the protruding portion positioned between the handle unit and the probe unit, the damaged portion including a cut portion or a notch portion in the predetermined periaxial direction.