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    • 75. 发明授权
    • Dual sensing for brady-tachy pacemaker/ICD
    • 双重感觉用于快速起搏器/ ICD
    • US08688203B2
    • 2014-04-01
    • US12621925
    • 2009-11-19
    • Jaeho KimJoseph M. Bocek
    • Jaeho KimJoseph M. Bocek
    • A61B5/0464
    • A61N1/3622A61B5/04011A61B5/0464
    • A system detects events related to cardiac activity. The system comprises a primary cardiac signal sensing circuit, at least one secondary cardiac signal sensing circuit having a higher sensitivity than the primary sensing circuit, and a controller circuit coupled to the primary and secondary cardiac signal sensing circuits. The controller circuit determines a rate of depolarization using the primary sensing circuit and detects tachyarrhythmia using the rate. The controller circuit also detects tachyarrhythmia using the secondary sensing circuit and also deems the tachyarrhythmia valid if the controller circuit detects the tachyarrhythmia using both the primary and secondary sensing circuit.
    • 系统检测与心脏活动相关的事件。 所述系统包括主要心脏信号感测电路,至少一个具有比初级感测电路更高灵敏度的次级心脏信号感测电路,以及耦合到主要和次要心脏信号感测电路的控制器电路。 控制器电路使用主感测电路确定去极化率,并使用该速率检测快速性心律失常。 控制器电路还使用次级感测电路检测快速性心律失常,并且如果控制器电路使用主感测电路和次感测电路检测到快速性心律失常,则认为快速性心律失常是有效的。