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    • 93. 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。
    • 99. 发明授权
    • Detection of ventricular ectopic beats using ventricular electrogram
    • 使用心室电图检测心室异位搏动
    • US06453192B1
    • 2002-09-17
    • US09523616
    • 2000-03-13
    • Jiang DingJulio C. SpinelliYinghong Yu
    • Jiang DingJulio C. SpinelliYinghong Yu
    • A61B50452
    • A61B5/0468A61N1/3622
    • A method of accurately determining if ectopic beats are occurring in the heart by detecting the time interval, T, between a point Q* defined is the onset of the QRS complex and the peak value of R (T=Q*R) during a heart beat cycle and comparing that time with a running mean value calculated from normal heartbeats. A beat is identified as an ectopic beat if the Q*R time interval for a current beat is at least four standard deviations from the mean Q*R time interval of normal preceding beats. The electrodes for detecting the ectopic beats may be inside the patient's heart or on the patient's skin. If more than one electrode is used for monitoring the depolarization of the heart, then by combining the Q*R intervals (e.g. using a triangulation method) calculated from different electrodes, the location of the ectopic excitation can be determined and identified. The method of determining and localizing ectopic beats may be used in a pacing device to initiate ectopic beat handling procedures and to analyze the nature and possible trend of ectopic activities. This method of using the Q*R interval is independent of the PR or RR intervals normally measured and used to detect early ectopic beats and is therefore a more accurate method, since ectopic beats may occur at any time independent of PR or RR intervals.
    • 通过检测定义的点Q *之间的时间间隔T来确定心脏中是否发生异位搏动的方法是QRS复合物的开始和心脏中的R(T = Q * R)的峰值 比较该时间与从正常心跳计算的运行平均值。 如果当前节拍的Q * R时间间隔与正常以前节拍的平均Q * R时间间隔至少有四个标准偏差,则拍子被识别为异位拍子。 用于检测异位搏动的电极可以在患者的心脏内或病人的皮肤上。 如果使用多于一个电极来监测心脏的去极化,则通过组合由不同电极计算的Q * R间隔(例如使用三角测量方法),可以确定和鉴定异位激发的位置。 确定和定位异位搏动的方法可以用于起搏装置中以启动异位搏动处理程序并分析异位活动的性质和可能的趋势。 使用Q * R间隔的这种方法与通常测量的PR或RR间隔无关,用于检测早期异位搏动,因此是更准确的方法,因为异位搏动可以随时独立于PR或RR间期发生。