Patent ID: 6165191
Filing Date: 2000-12-26
Classification: A61B

Abstract:
An ultrasonic treating tool for surgically treating a living tissue with an ultrasonic vibration, comprising:an ultrasonic vibration element for generating an ultrasonic vibration;a vibration transmitting long member having a forward end section, a basic end section connected to the ultrasonic vibration element and a center axis along a length thereof from the forward end to the basic end section and transferring the ultrasonic vibration which is generated at the ultrasonic vibration element to the forward end section of the vibration transmitting long member;an operation section for holding the ultrasonic vibration element;a gripping section provided at the operation section and, in order to hold the operation section, having a palm-grippable configuration having a gripping center axis substantially parallel to the center axis of the vibration transmitting long member;a probe provided at the forward end section of the vibration transmitting long member and vibrated upon receipt of the ultrasonic vibration transmitted by the vibration transmitting long member;a clamping member moved toward and away from the probe; andan operation handle having a swing center at the operation section and swingable about the swing center to swing the clamping member, the operation handle having a thumb engaging section engaged when the gripping section is palm-gripped in which a force applying point when an operation is made with the thumb of an operator engaged on the thumb engaging section is displaced more on the gripping side than at the swing center of the handle and the direction in which the force is applied is toward a substantially center of the operation section.