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    • 47. 发明授权
    • Cardiac cycle synchronized sampling of impedance signal
    • 心脏周期同步采样阻抗信号
    • US08306621B2
    • 2012-11-06
    • US11676067
    • 2007-02-16
    • Jaeho KimQuan Ni
    • Jaeho KimQuan Ni
    • A61N1/365
    • A61B5/0205A61N1/3601A61N1/36521A61N1/37211
    • A cardiac rhythm management device for obtaining transthoracic impedance. The device comprises a sensor for obtaining a signal indicative of an action of a heart, an impedance measurement circuit adapted to measure transthoracic impedance and a processor for utilizing the signal indicative of the action of the heart to sample the transthoracic impedance at sampling intervals commenced by fiducial markers in the signal indicative of the action of the heart, where the sampling of the impedance signal removes the component of a stroke volume of the heart from the signal and thereby provides lung ventilation information.
    • 用于获得经胸阻抗的心律管理装置。 该装置包括用于获得指示心脏动作的信号的传感器,适于测量经胸阻抗的阻抗测量电路,以及用于利用指示心脏作用的信号以采样间隔采样经脉管阻抗的处理器,采样间隔由 指示心脏动作的信号中的基准标记,其中阻抗信号的采样从信号中去除心脏的搏动体积的分量,从而提供肺通气信息。
    • 50. 发明授权
    • Capture verification using an evoked response reference
    • 使用诱发响应参考捕获验证
    • US08027725B2
    • 2011-09-27
    • US12719117
    • 2010-03-08
    • Jaeho KimJoseph Bocek
    • Jaeho KimJoseph Bocek
    • A61N1/37A61N1/372A61B5/04
    • A61N1/3712
    • A method and system for verifying capture in the heart involves the use of pacing artifact templates. One or more pacing artifact templates characterizing a post pace artifact signal associated with a particular pace voltage or range of voltages are provided. A pacing artifact template is canceled from a cardiac signal sensed following a pacing pulse. Capture is detected by comparing the pacing artifact canceled cardiac signal to an evoked response reference. Fusion/pseudofusion detection involves determining a correlation between a captured response template and a sensed cardiac signal.
    • 用于验证心脏中捕获的方法和系统涉及使用起搏假象模板。 提供了表征与特定步速电压或电压范围相关联的后期假想信号的一个或多个起搏假象模板。 从起搏脉冲后检测的心脏信号取消起搏神经模板。 通过将起搏神经消除的心脏信号与诱发的反应参考进行比较来检测捕获。 融合/伪融合检测涉及确定捕获的响应模板和感测的心脏信号之间的相关性。