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    • 82. 发明授权
    • Detection of tachyarrhythmia termination
    • 检测快速性心律失常终止
    • US07103404B2
    • 2006-09-05
    • US10375457
    • 2003-02-27
    • Robert W. StadlerEduardo N. WarmanJames H. EricksenReece W. Holbrook
    • Robert W. StadlerEduardo N. WarmanJames H. EricksenReece W. Holbrook
    • A61B5/0452A61N1/37
    • A61N1/3622
    • Determining termination of an identified tachyarrhythmia episode may involve analysis of a relative decrease in tachyarrhythmia rate, a normalization of electrogram morphology criteria, or both. An implanted medical device may obtain a tachyarrhythmia rate and a morphology of a cardiac waveform. The device may compare the tachyarrhythmia rate to a threshold tachyarrhythmia rate and the morphology to a template morphology, and classify the heart beat as indicating termination of the tachyarrhythmia episode when the tachyarrhythmia rate is less than the threshold tachyarrhythmia rate, the morphology categorizes as normal, or both. For arrhythmias with no therapy delivered, observation of arrhythmia behavior at the point of termination may lead to improved classification. In addition, observation of a relative decrease in tachyarrhythmia rate immediately after therapy application can lead to application of slower but more specific criteria for redetection. Also, delivery of cardioversion shocks can be aborted upon tachyarrhythmia termination.
    • 确定确定的快速性心律失常发作的终止可能涉及快速心律失常率相对降低的分析,电描记图形态学标准的归一化或两者。 植入的医疗装置可以获得心律失常速率和心脏波形的形态。 该装置可以将快速性心律失常率与阈值快速性心律失常率和形态学比较为模板形态,并且当心律失常发生率低于阈值快速性心律失常率时,将心跳分类为指示快速性心律失常发作的终止,形态分类为正常, 或两者。 对于没有治疗的心律失常,在终止时观察心律失常行为可能导致分类改善。 另外,在治疗后立即观察到快速性心律失常发生率的相对降低可导致应用较慢但更具体的重新检测标准。 此外,快速性心律失常终止时,心脏复律冲击的输送可以中止。
    • 85. 发明授权
    • Method and apparatus for treatment of atrial fibrillation
    • 用于治疗房颤的方法和装置
    • US5840079A
    • 1998-11-24
    • US827401
    • 1997-03-27
    • Eduardo N. WarmanLuc R. Mongeon
    • Eduardo N. WarmanLuc R. Mongeon
    • A61N1/362A61N1/39
    • A61N1/3622
    • A method of and apparatus for delivering ventricular pacing pulses to terminate high rate atrial tachyarrhythmias including fibrillation or flutter or to reduce the requirements for termination of atrial fibrillation or flutter. In response to detected atrial fibrillation or flutter, the apparatus delivers ventricular pacing pulses at a lower rate, for example one third or half of the preceding base pacing rate, for a defined, limited period of time. After delivery of the low rate ventricular pacing pulses for the defined time period, if the high rate atrial tachyarrhythmia is not terminated, an additional therapy such a high energy defibrillation pulse or pacing level pulse trains may be applied to the atria. Prior to the delivery of low rate ventricular pacing pulses, the apparatus may deliver a higher rate of ventricular pacing pulses, for example twice the preceding base pacing rate, so that the transition in rates occurring on delivery of the low rate pulses is made more pronounced.
    • 用于递送心室起搏脉冲以终止高速率心房心律失常的方法和装置,包括原纤维颤动或扑动或减少终止心房颤动或扑动的要求。 响应于检测到的心房颤动或颤动,该装置以较低的速率(例如前一个基本起搏速率的三分之一或一半)在限定的有限时间段内递送心室起搏脉冲。 在定义的时间段内输送低速率心室起搏脉冲后,如果高速率心房骤停性心律失常未终止,则可以对心房施加额外的治疗,例如高能量除颤脉冲或起搏电平脉冲序列。 在递送低速率心室起搏脉冲之前,该装置可以递送更高的心室起搏脉冲速率,例如比之前的基本起搏速率的两倍,使得在低速率脉冲传递时发生的速率的转变更明显 。