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    Apparatus for diagnosis and treatment of arrhythmias
    5.
    发明授权
    Apparatus for diagnosis and treatment of arrhythmias 失效
    用于诊断和治疗心律失常的装置

    公开(公告)号：US5846263A

    公开(公告)日：1998-12-08

    申请号：US764568

    申请日：1996-12-13

    申请人： David K. Peterson ,  Michael R. S. Hill ,  Ren Zhou ,  Kathleen A. Prieve

    发明人： David K. Peterson ,  Michael R. S. Hill ,  Ren Zhou ,  Kathleen A. Prieve

    IPC分类号： A61N1/362 ,  A61N1/39

    CPC分类号： A61N1/3962 ,  A61N1/3622

    摘要： An implantable pacemaker employing an arrhythmia prevention pacing modality particularly optimized for inclusion in dual chamber pacemakers and anti-arrhythmia devices which include dual chamber pacemakers. When the pacing mode is in effect, the device alters timing of scheduled atrial and/or ventricular pacing pulses in response to depolarizations sensed during the refractory periods and to ventricular depolarizations sensed outside of the pacemaker's A-V escape intervals. The arrhythmia prevention pacing mode is activated and deactivated in conjunction with the operation of arrhythmia detection features which may also be employed by the device to trigger delivery of anti-arrhythmia therapies.

    摘要翻译： 采用心律不齐预防起搏模式的植入式起搏器，其特别优化包括在双室起搏器和包括双室起搏器的抗心律失常装置中。 当起搏模式有效时，设备响应于在不应期期间感测到的去极化以及在起搏器的A-V逃逸间隔之外感测到的心室去极化来改变调度的心房和/或心室起搏脉冲的时间。 心律失常预防起搏模式与心律失常检测特征的操作一起被激活和失活，该功能也可以由该装置用于触发抗心律失常治疗的递送。

    Automatic pressure range and sensitivity adjustment
    6.
    发明授权
    Automatic pressure range and sensitivity adjustment 有权
    自动压力范围和灵敏度调节

    公开(公告)号：US06689068B2

    公开(公告)日：2004-02-10

    申请号：US10033815

    申请日：2001-12-20

    申请人： Curtis A. Hale ,  Kathleen A. Prieve

    发明人： Curtis A. Hale ,  Kathleen A. Prieve

    IPC分类号： A61B0500

    CPC分类号： A61B5/0031 ,  A61B5/0215 ,  A61N1/36564 ,  A61N1/3702

    摘要： The invention automatically adjusts the parameters that map pressures at a monitoring site, such as blood pressures in the chamber of a heart, to digital values. Adjusting the mapping parameters keeps the data in range while preserving sensitivity. A histogram of the digital pressure data is generated and the contents of the lowest and highest bins of the histogram are checked. Depending on whether the boundary bins of the histogram are full or empty, the mapping parameters are adjusted. A new histogram is generated using digital values generated with the adjusted mapping parameters.

    摘要翻译： 本发明自动调整将监测点处的压力（例如心脏腔室中的血压）映射到数字值的参数。 调整映射参数使数据保持在范围内，同时保持灵敏度。 产生数字压力数据的直方图，并检查直方图的最低和最高的数据块的内容。 根据直方图的边界线是满的还是空的，调整映射参数。 使用经调整的映射参数生成的数字值生成新的直方图。

    Atrial anti-arrhythmia pacemaker and method using high rate atrial and backup ventricular pacing
    7.
    发明授权
    Atrial anti-arrhythmia pacemaker and method using high rate atrial and backup ventricular pacing 失效
    心房抗心律失常起搏器及方法采用高速心房起搏和备用心室起搏

    公开(公告)号：US5928271A

    公开(公告)日：1999-07-27

    申请号：US30312

    申请日：1998-02-25

    申请人： Michael F. Hess ,  Kathleen A. Prieve

    发明人： Michael F. Hess ,  Kathleen A. Prieve

    IPC分类号： A61N1/362 ,  A61N1/368 ,  A61N1/365

    CPC分类号： A61N1/3622

    摘要： An atrial and ventricular pacemaker including an atrial pulse generator having the capability of delivering high rate atrial pacing pulses for electrophysiologic study and having the capability of delivering ventricular pacing pulses as a backup, during delivery of high rate atrial pacing pulses. Delivery of backup ventricular pacing pulses may be preconditioned upon the occurrence of a desired number, proportion or pattern of occurrences of paced ventricular beats preceding delivery of high rate atrial pacing pulses. Timing of ventricular backup pulses is synchronized to delivered atrial pacing pulses which occur closely timed to expiration of a defined ventricular escape interval for backup pacing. The defined escape interval for ventricular backup pacing may be set as a function of the average interval separating ventricular events preceding initiation of high rate atrial pacing.

    摘要翻译： 一种心房起搏器，包括心房脉搏发生器，其具有递送高速率心房起搏脉搏用于电生理学研究的能力，并且具有在递送高速率心房起搏脉冲期间提供心室起搏脉冲作为备用的能力。 备用心室起搏脉冲的传送可以在出现高速率心房起搏脉冲之前出现所需数量，比例或出现的起搏心室搏动的情况下进行预处理。 心室备用脉冲的定时与递送的心房起搏脉冲同步，其发生紧密定时到定义的心室逃逸间隔到达用于后备起搏。 定义的心室起搏起搏间隔可以设置为在高速率心房起搏开始之前分隔心室事件的平均间隔的函数。