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    • 74. 发明授权
    • Sinus preference method and apparatus for cardiac pacemakers
    • 心脏起搏器的窦偏好方法和装置
    • US5522859A
    • 1996-06-04
    • US343166
    • 1994-11-22
    • John C. StroebelH. Toby Markowitz
    • John C. StroebelH. Toby Markowitz
    • A61N1/365A61N1/368
    • A61N1/368A61N1/36585
    • A dual chamber, rate-responsive pacemaker for pacing a patient's heart novelly allows tracking of the patient's sinus rate when the sinus rate is slightly less than the sensor rate; i.e., within a predetermined "Sinus Preference Window Maximum Rate Drop." Pacing at the sensor rate occurs when the sensor rate exceeds the sinus rate by more than the Sinus Preference Window Maximum Rate Drop. In the preferred embodiment a Sinus Preference Window, which occurs at the end of the ventricle-to-atrium interval, is decremented with successive heart beats by a programmable delta to increase the pacing rate until the Sinus Preference Window reaches zero, in which case the pacemaker paces at the sensor rate. The Sinus Preference Window is reset to its maximum value upon either the detection of an atrial sensed event, or upon the expiration of a programmable Sinus Check Interval. The pacemaker paces at the sinus rate or the maximum rate drop rate, whichever is faster, for a number of recovery beats, and then increments the pacing rate up to the sensor rate.
    • 双室,速率响应的心脏起搏器用于起搏患者的心脏新颖地允许跟踪患者的窦速率,当窦速率略低于传感器速率时; 即在预定的“窦性偏好窗口最大速率下降”内。 当传感器速率超过窦性速率超过窦性偏好窗口最大速率下降时,会以传感器速率进行起搏。 在优选实施例中,在心室至心房间隔的末端发生的窦偏好窗口以连续的心跳递减可编程的增量以增加起搏速率直到窦偏好窗口达到零,在这种情况下 起搏器以传感器速率步进。 当检测到心房感应事件时,或者在可编程窦性检查间隔期满时,窦偏好窗口被重置为最大值。 起搏器以窦速率或最大速率下降速率(以更快者为准)起搏,以进行多次恢复搏动,然后将起搏速率递增至传感器速率。
    • 76. 发明授权
    • Dual chamber pacemaker with safe airial pacing
    • 双室心脏起搏器,安全气道起搏
    • US5273035A
    • 1993-12-28
    • US829811
    • 1992-02-03
    • H. Toby MarkowitzJohn C. StroebelRobert A. Betzold
    • H. Toby MarkowitzJohn C. StroebelRobert A. Betzold
    • A61N1/362
    • A61N1/3622
    • A dual chamber pacemaker is provided, preferably either DDDR or DDIR, having logic hardware and/or software for normally carrying out the DDIR or DDDR mode of operation, and further having means for carrying out a safe atrial pace method of operation in circumstances where normal atrial pacing could otherwise be competitive or result in loss of atrial capture. The pacemaker has means for detecting an atrial sense during PVARP, timing out a delay from the time of the early atrial sense, delivering a safe atrial pulse at the end of the delay, and controlling generation of a ventricular pace pulse in synchronous relation to the safe atrial pulse and with at least a minimum AV interval.
    • 提供双室起搏器,优选DDDR或DDIR,具有用于正常执行DDIR或DDDR操作模式的逻辑硬件和/或软件,并且还具有用于在正常情况下执行安全心房步速的操作方法的装置 心房起搏可能会有竞争力或导致心房骤停。 起搏器具有在PVARP期间检测心房感觉的手段,从早期心房感觉时刻延迟,在延迟结束时传送安全的心房脉搏,并且控制与心室起搏脉冲的产生同步关系 安全的心房脉搏和至少最小的AV间隔。
    • 79. 发明授权
    • Testing communication during implantation
    • 测量植入过程中的沟通
    • US08983619B2
    • 2015-03-17
    • US12732403
    • 2010-03-26
    • Can CinbisH. Toby Markowitz
    • Can CinbisH. Toby Markowitz
    • A61N1/08A61B5/00A61N1/372A61B19/00A61N1/375
    • A61B5/0028A61B5/0031A61B2034/2053A61B2560/0271A61N1/37205A61N1/37217A61N1/37241A61N1/3756
    • A system and method are described for testing communication through a patient during implantation using telemetry coupling electrodes on a delivery catheter. In one example, at least two telemetry coupling electrodes may be placed on or within a delivery catheter to test conductive communication with external body electrodes during implantation. In some instances, the telemetry coupling electrodes of the delivery catheter may approximate the spacing of telemetry electrodes on an IMD. In this manner, testing conductively coupled communication with telemetry coupling electrodes of the catheter may be used to mimic the telemetry electrodes on the IMD and determine a target position and/or orientation of an electrode or electrodes of the IMD for successful conductive communication through the body.
    • 描述了一种系统和方法,用于在植入期间通过患者使用传送导管上的遥测耦合电极来测试通信。 在一个示例中,至少两个遥测耦合电极可以放置在输送导管上或内部,以在植入期间测试与外部身体电极的导电连通。 在一些情况下,输送导管的遥测耦合电极可以接近IMD上遥测电极的间距。 以这种方式,测试与导管的遥测耦合电极的导电耦合通信可以用于模拟IMD上的遥测电极,并且确定IMD的电极或电极的目标位置和/或取向以便通过身体成功地导电连通 。