Patent attributes
A surgical tool includes a sheath, a probe body, a distal end portion and a proximal end portion. A probe distal end portion is provided at the distal end portion of the probe body, a jaw is rotatably supported on the distal end portion of the sheath and is engaged with the probe distal end portion. A first tubular member a fits on the proximal end portion of the sheath and extends rearward. It has an elongated slit and extends in an axial direction of the sheath. A second tubular member fits in a rear end portion of the first tubular member. A tubular driving member is slidably inserted in the sheath and rotates the jaw. A coupling member including a projection body passes through the second tubular member, includes an engaging portion which is engaged in the slit of the first tubular member.