PROBLEM TO BE SOLVED: To stimulate a nerve at appropriate timing at all times according to the state of the heart.SOLUTION: A nerve stimulator includes: a nerve stimulation part 6 for supplying electric stimulation to the nerve controlling the heart a physiological signal detection part 5 for detecting physiological signals cyclically changed in synchronism with the activity of the heart a phase calculation part 92 for calculating a phase within one cycle of the physiological signals detected by the physiological signal detection part 5 and a control part 93 for controlling the nerve stimulation part 6 so as to supply the electric stimulation when the phase calculated by the phase calculation part 92 is a prescribed value.COPYRIGHT: (C)2013,JPO&INPIT【課題】心臓の状態に合わせて常に適切なタイミングで神経刺激を行う。【解決手段】心臓を支配する神経に電気刺激を供給する神経刺激部6と、心臓の活動に同期して周期的に変化する生理信号を検出する生理信号検出部5と、該生理信号検出部5によって検出された生理信号の1周期内における位相を算出する位相算出部92と、該位相算出部92によって算出された位相が所定の値のときに電気刺激を供給するよう神経刺激部6を制御する制御部93とを備える神経刺激装置を提供する。【選択図】図2
