PROBLEM TO BE SOLVED: To provide a stimulation circuit for living tissue, capable of widening the setting range of the stimulation condition of dipolar pulses and capable of more preferably performing electric stimulation.SOLUTION: The stimulation circuit for living tissue includes: an H bridge circuit constituted by connecting, in parallel, a first serial part, which is constituted by connecting the first semiconductor switch connected to a power supply and a third semiconductor switch connected to the ground in series, and a second serial part, which is constituted by connecting the second semiconductor switch connected to the power supply and the fourth semiconductor switch connected to the ground in series the stimulation electrode connected to the first connection point between the first and third semiconductor switches of the first serial part the counter electrode connected to the second connection point between the second and fourth semiconductor switches of the second serial part and a potential compensating circuit for regulating the potentials at the connection points.COPYRIGHT: (C)2012,JPO&INPIT【課題】 双極性パルスの刺激条件の設定範囲を広くでき、より好適に電気刺激を行うことのできる生体組織用刺激回路を提供する。【解決手段】 生体組織用刺激回路は、電源側に接続される第1半導体スイッチと接地側に接続される第3半導体スイッチを直列接続してなる第1直列部と,電源側に接続される第2半導体スイッチと接地側に接続される第4半導体スイッチを直列接続してなる第2直列部とが並列接続されてなるHブリッジ回路と、第1直列部の第1半導体スイッチと第3半導体スイッチとの間の第1接続点に接続される刺激電極と、第2直列部の第2半導体スイッチと第4半導体スイッチとの間の第2接続点に接続される対向電極と、接続点における電位を調節するための電位補償回路とを備える。【選択図】 図1
