Patent ID: 9084878
Filing Date: 2015-07-21
Classification: A61B

Abstract:
1. An ultrasound treatment instrument, comprising: an ultrasound probe that transmits ultrasound vibration; a treatment portion provided at a distal end side of the ultrasound probe for treating a subject by the ultrasound vibration; a sheath through which the ultrasound probe is inserted; a clamp arm that is pivotally supported swingably at the sheath via a shaft portion; a base that is provided at the clamp arm in a position separated to a distal end side from the shaft portion; a jaw that is supported swingably around an axis extending in a width direction of the base to extend in a longitudinal direction of the base, and has a proximal end portion located at a proximal end side from the distal end portion of the base to form a space between the proximal end portion and the base; a stopper that protrudes from the sheath and extends towards a side portion of the jaw, and formed to be arranged at the side portion of the jaw and at a side portion of the base to cover the space when the jaw is moved from the opened state to the closed state; and an auxiliary stopper that is provided protrudingly from the base to cover the space and to face a side portion of a proximal end side of the jaw.