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    • 100. 发明授权
    • Automatic capture verification using electrocardiograms sensed from multiple implanted electrodes
    • 使用从多个植入电极感测的心电图进行自动捕获验证
    • US07509170B2
    • 2009-03-24
    • US11124972
    • 2005-05-09
    • Yi ZhangJiang DingAaron R. McCabeScott A. Meyer
    • Yi ZhangJiang DingAaron R. McCabeScott A. Meyer
    • A61N1/08A61N1/37A61B5/0452
    • A61N1/3712A61N1/365
    • Cardiac monitoring and/or stimulation methods and systems that provide one or more of monitoring, diagnosing, defibrillation, and pacing. Cardiac signal separation is employed for automatic capture verification using cardiac activation sequence information. Devices and methods sense composite cardiac signals using implantable electrodes. A source separation is performed using the composite signals. One or more signal vectors are produced that are associated with all or a portion of one or more cardiac activation sequences based on the source separation. A cardiac response to the pacing pulses is classified using characteristics associated with cardiac signal vectors and the signals associated with the vectors. Further embodiments may involve classifying the cardiac response as capture or non-capture, fusion or intrinsic cardiac activity. The characteristics may include an angle or an angle change of the cardiac signal vectors, such as a predetermined range of angles of the one or more cardiac signal vectors.
    • 提供一种或多种监测,诊断,除颤和起搏的心脏监测和/或刺激方法和系统。 心脏信号分离被用于使用心脏激活序列信息的自动捕获验证。 装置和方法使用可植入电极感测复合心脏信号。 使用复合信号进行源分离。 产生与基于源分离的一个或多个心脏激活序列的全部或一部分相关联的一个或多个信号载体。 使用与心脏信号矢量相关联的特征和与矢量相关联的信号来分类对起搏脉冲的心脏反应。 进一步的实施方案可以包括将心脏反应分类为捕获或非捕获,融合或内在心脏活动。 特征可以包括心脏信号矢量的角度或角度变化,例如一个或多个心脏信号矢量的预定角度范围。