PROBLEM TO BE SOLVED: To provide a terminal device that is hard to come off from a round bar member during work or operation for mounting the terminal device to a round bar member.SOLUTION: A prosthetic hand terminal device 900 for mounting to a round bar member is worn by an upper limb amputee or an upper limb dysplasia person, and is mounted to the round bar member and enables turning movement to the round bar member. The prosthetic hand terminal device has: a base 100 having a palm part 110 and a back part 120, and mounted to a wrist in a proximal end being in the base end side of the long axis Y-direction a hook-shaped finger part 200 with a tip portion bending downward in a longitudinal direction in a shape of a hook, having the R section 220 so as to have a curvature center in the palm part 110 side, and provided on an upper part of the base 100 and the R-shaped finger part 300 with the tip portion projected into the longitudinal upper part and positioned in the upper side from the tip portion of the hook-shaped finger part 200, having the R section 320 with a curvature center being provided in the palm part 110 side, and provided at the lower part of the base 100.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】手先具を丸棒部材に取り付ける作業乃至動作をしている最中に、丸棒部材から外れにくい手先具を提供する。【解決手段】上肢切断者又は上肢形成不全者が装着し、丸棒部材に取付けて該丸棒部材に対して回動自在な動きを可能とする丸棒部材取付用義手手先具900であって、手のひら部110及び甲部120を有し、長軸Y方向の基端側にある基端部にて手首に取り付けられる基部100と、先端部分がフック状に長軸方向の下方に折れ曲がっており、手のひら部110側に曲率中心を持つようにR部220を有している、基部100の上部に設けられたフック状指部200と、先端部分が長軸方向の上方に突出してフック状指部200の先端部分よりも上側に位置しており、手のひら部110側に曲率中心を持つR部320を有している、基部100の下部に設けられたR状指部300と、を有する。【選択図】図1
