PROBLEM TO BE SOLVED: To stably stimulate a nerve across a long period by surely fixing electrodes to the interior of the body cavity.SOLUTION: The nerve stimulation apparatus includes: a tubular apparatus body 2 to be inserted into the body cavity elastically deformable stationary portions 3 that are diagonally extending from an external surface of the apparatus body 2 to any direction of a radially outward direction and a longitudinal direction of the apparatus body 2, and are placed in the body cavity with pointed ends brought into contact with the body cavity inner wall and stimulation electrodes 4 provided at any position of the apparatus body 2 or the stationary portion 3.COPYRIGHT: (C)2014,JPO&INPIT【課題】体腔内に電極をより確実に固定して、長時間にわたり安定した刺激を行う。【解決手段】体腔に挿入されるチューブ状の装置本体2と、該装置本体2の外面から半径方向外方および装置本体2の長手方向のいずれかの方向に斜めに延び尖端を体腔内壁に接する状態で体腔内に留置される弾性変形可能な固定部3と、装置本体2または固定部3のいずれかの位置に設けられた刺激用電極4とを備える神経刺激装置1を提供する。【選択図】図1
