PROBLEM TO BE SOLVED: To facilitate a holding operation by inserting a conductor into an exterior body.SOLUTION: An exterior body 12 for detachably storing a patients body contact surface 8a of a conductor 8 while having the surface to be exposed, includes: an opening 12b through which the conductor 8 can be inserted and pulled in and out the exterior body 12 a first support portion 13 provided in a whole circumferential edge of the opening 12b while supporting, in a conductor stored state, by covering the whole circumferential edge of the conductor 8 a second support portion 14 extending from a part of the circumferential edge of the first support portion 13 towards an inside of the opening plane face while supporting, in a conductor stored state, a part of the circumferential edge of the conductor 8 and a conductor inserting and pulling portion 15 provided on a region of the circumferential edge of the first support portion where the second support portion has not been formed, and guiding an insertion and pulling of the conductor 8 in and out the exterior body 12.COPYRIGHT: (C)2015,JPO&INPIT【課題】外装体に対して導電体を挿入して保持させる作業を容易にする。【解決手段】導電体8の患者肢体当接面8aを露出させた状態で着脱自在に収納する外装体12は、導電体8が外装体12内外にわたって挿抜可能な開口12bと、開口12bの周縁全周に設けられており導電体収納状態では導電体8の周縁全周を覆って支持する第1の支持部13と、第1の支持部13の周縁の一部に開口平面の内側に向かって延出しており導電体収納状態では導電体8の周縁の一部を支持する第2の支持部14と、第1の支持部周縁の第2の支持部未形成部位に設けられており外装体12に対する導電体8の挿抜を案内する導電体挿抜部15とを備える。【選択図】図1
