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    • 2. 发明申请
    • AUTOMATIC SELECTION OF STIMULATION CHAMBER FOR VENTRICULAR RESYNCHRONIZATION THERAPY
    • 自体选择刺激室进行心脏再生治疗
    • US20060116727A1
    • 2006-06-01
    • US11276007
    • 2006-02-09
    • Jiang DingJulio SpinelliYinghong YuAndrew Kramer
    • Jiang DingJulio SpinelliYinghong YuAndrew Kramer
    • A61N1/36
    • A61N1/36592A61B5/0472A61N1/3627A61N1/3684
    • A method and apparatus for selection of one or more ventricular chambers to stimulate for ventricular resynchronization therapy. Intrinsic intracardia electrograms that include QRS complexes, are recorded from a left and right ventricle. A timing relationship between the intrinsic intracardia electrograms recorded from the left and right ventricle is then determined. In one embodiment, the timing relationship is determined using a delay between a left ventricular and a right ventricular sensed intrinsic ventricular depolarizations and a duration interval of one or more QRS complexes. In one embodiment, the duration of QRS complexes is determined from either intracardiac electrograms or from surface ECG recordings. One or more ventricular chambers in which to provide pacing pulses are then selected based on the timing relationship between intrinsic intracardia electrograms recorded from the right and left ventricle, and the duration of one or more QRS complexes.
    • 用于选择一个或多个心室以刺激心室再同步治疗的方法和装置。 包括QRS复合物在内的心内电图从左心室和右心室记录。 然后确定从左心室和右心室记录的内在心内电描记图之间的时间关系。 在一个实施例中,使用左心室和右心室感测的内心室去极化之间的延迟和一个或多个QRS复合物的持续时间间隔来确定时间关系。 在一个实施方案中,QRS复合物的持续时间由心脏内电刺激图或从表面心电图记录确定。 然后基于从右心室和左心室记录的内在心内电描记图与一个或多个QRS复合物的持续时间之间的时间关系来选择其中提供起搏脉冲的一个或多个心室。