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    • 19. 发明申请
    • Posture monitoring using cardiac activation sequences
    • 使用心脏激活序列的姿势监测
    • US20060253043A1
    • 2006-11-09
    • US11124950
    • 2005-05-09
    • Yi ZhangRobert Sweeney
    • Yi ZhangRobert Sweeney
    • A61B5/04
    • A61B5/0472A61B5/1116A61B5/686A61B5/7203A61B2560/0219A61B2560/0468A61B2562/046A61N1/3627A61N1/365A61N1/3712
    • Cardiac monitoring and/or stimulation methods and systems that provide one or more of monitoring, diagnosing, defibrillation, and pacing. Cardiac signal separation is employed to detect, monitor, track and/or trend a patient's posture using cardiac activation sequence information. Devices and methods in accordance with the present invention involve sensing a plurality of composite cardiac signals using a plurality of implantable electrodes. A source separation is performed using the composite cardiac signals, which produces one or more cardiac signal vectors associated with all or a portion of one or more cardiac activation sequences. A change in a patient's posture is detected using the cardiac signal vectors. Further embodiments involve sensing the plurality of composite cardiac signals during the patient's predominant cardiac rhythm before detecting the change in the patient's posture. Other embodiments involve discriminating between one of a postural related change and a cardiac rhythm related change using the 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。 使用心脏信号分离来使用心脏激活序列信息来检测,监测,跟踪和/或趋向于患者的姿势。 根据本发明的装置和方法涉及使用多个可植入电极感测多个复合心脏信号。 使用复合心脏信号进行源分离,其产生与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心脏信号载体。 使用心脏信号矢量检测患者姿势的变化。 另外的实施例涉及在检测患者姿势的变化之前在患者的主要心律期间感测多个复合心脏信号。 其他实施例涉及使用心脏信号矢量区分姿势相关变化和心律相关变化中的一个。