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    • 1. 发明授权
    • Atrial defibrillator and method providing dual reset of an interval timer
    • 心房除颤器和间隔定时器双重复位方法
    • US5464433A
    • 1995-11-07
    • US259515
    • 1994-06-14
    • Harley WhiteJohn M. Adams
    • Harley WhiteJohn M. Adams
    • A61N1/39
    • A61N1/3956A61N1/3918A61N1/395A61N1/3987
    • An implantable atrial defibrillator for applying cardioverting electrical energy to the atria of a human heart. The atrial defibrillator includes a first detector for sensing a depolarization activation wave at a first pair of locations of the heart and generating a first initiation signal and a second detector for sensing the depolarization activation wave between a second pair of locations of the heart and generating a second initiation signal. The atrial defibrillator also includes a timing circuit for timing the time between immediately successive depolarization activation waves of the heart in response to one of the first and the second initiation signals for commencing the timing. The atrial defibrillator also includes a cardioverting circuit for applying the cardioverting electrical energy to the atria of the heart when the atria of the heart are in need of cardioversion and when the timer times a time greater than a predetermined time interval.
    • 一种可植入心房除颤器,用于将心电转移到心脏心房的心电图。 心房除颤器包括第一检测器,用于感测在心脏的第一对位置处的去极化激活波,并产生第一起始信号和第二检测器,用于感测心脏的第二对位置之间的去极化激活波, 第二起始信号。 心房除颤器还包括定时电路,用于响应于用于开始定时的第一和第二起始信号中的一个来定时心脏的立即连续的去极化激活波之间的时间。 心房除颤器还包括一个心脏复律电路,用于当心脏心房需要心脏复律时以及当定时器的时间大于预定的时间间隔时,心脏转换电能施加到心脏的心房。