PROBLEM TO BE SOLVED: To provide a nerve stimulation device capable of acquiring an electrocardiographic signal with a high degree of precision even with a simple configuration.SOLUTION: A nerve stimulation device 1 includes: stimulation electrodes 34A and 34B a pulse generation circuit part 44 for generating electric stimulation electrocardiographic signal detection electrodes 17A and 17B for detecting an electrocardiographic signal an electrocardiographic signal processing part 42 having a reference potential part shared by the pulse generation circuit part 44 for acquiring the electrocardiographic signal a change-over switch part 45 for switching the state between a first state in which the pulse generation circuit part 44 is closed and the electric stimulation is generated, and a second state in which the pulse generation circuit part 44 is blocked, and the stimulation electrodes 34A and 34B are conducted to the reference potential part and a control part 49 for generating the electric stimulation when the change-over switch part 45 is switched to the first state, and acquiring a waveform of the electrocardiographic signal on the basis of the electrocardiographic signal acquired by the electrocardiographic signal processing part 42 when it is switched to the second state.SELECTED DRAWING: Figure 5COPYRIGHT: (C)2016,JPO&INPIT【課題】神経刺激装置において、簡素な構成であっても、心電信号を精度よく取得することができるようにする。【解決手段】神経刺激装置1は、刺激電極34A、34Bと、電気的刺激を発生するパルス生成回路部44と、心電信号を検出する心電信号検出電極17A、17Bと、パルス生成回路部44と基準電位部が共通とされ、心電信号を取得する心電信号処理部42と、パルス生成回路部44を閉じて電気的刺激を発生する第1の状態と、パルス生成回路部44を遮断して、刺激電極34A、34Bを基準電位部に導通させる第2の状態と、を切り替える切替スイッチ部45と、切替スイッチ部45を第1の状態に切り替えた場合に、電気的刺激を発生させ、第2の状態に切り替えた場合に、心電信号処理部42が取得する心電信号に基づいて、心電信号の波形を取得する制御部49と、を備える。【選択図】図5
