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    • 42. 发明授权
    • SYSTEM FOR BI-VENTRICULAR FUSION PACING
    • 双室融合起搏系统
    • EP1446191B1
    • 2007-11-28
    • EP02763809.7
    • 2002-10-01
    • MEDTRONIC, INC.
    • HILL, Michael, R., S.
    • A61N1/368
    • A61N1/3627A61N1/3682A61N1/3684
    • Bi-ventricular cardiac pacing systems and systems for improving cardiac function for heart failure patients that pace and sense in right and left ventricles of the heart and particularly pace in one of the right and left ventricles after an AV delay timed from a preceding atrial event and after a spontaneous depolarization in the other of the right and left ventricles to achieve fusion pacing. An A-RVp delay and an A-LVp delay are each determined from an intrinsic sensed A-RVs delay and an intrinsic A-LVs delay. If the derived A-LVp delay becomes substantially equal to or shorter than the intrinsic A-RVs delay, then the A-RVp delay is decremented to be shorter than the A-LVp delay. Bi-ventricular pacing of the RV and LV is then established closely timed to the intrinsic RV and LV depolarizations.
    • 用于改善心脏衰竭患者的心脏功能的双心室心脏起搏系统和系统,其在心脏的右心室和左心室中起搏和感觉,并且特别是在从前一个心房事件开始的AV延迟之后的右心室和左心室之一中的起搏,以及 在另一个右心室和左心室自发去极化后实现融合起搏。 A-RVp延迟和A-LVp延迟各自根据内在感测的A-RV延迟和内在A-LV延迟来确定。 如果导出的A-LVp延迟基本上等于或短于固有A-RVs延迟,则A-RVp延迟减少为比A-LVp延迟短。 然后建立RV和LV的双心室起搏,密切定时到固有的RV和LV去极化。
    • 49. 发明公开
    • System and method for determining optimal atrioventricular delay based on intrinsic conduction delays
    • 系统和用于确定基于本征传导延迟最佳房室延迟的方法。
    • EP1629863A1
    • 2006-03-01
    • EP05255258.5
    • 2005-08-26
    • PACESETTER, INC.
    • Bruhns, KenMin, XiaoyiLevine, Paul A.Park, Euljoon
    • A61N1/362
    • A61N1/3627A61N1/3682
    • Techniques are provided for estimating optimal atrioventricular delay values for use in pacing the ventricles. Both the intrinsic inter-atrial conduction delay and the intrinsic atrioventricular conduction delay are determined for the patient and then the preferred atrioventricular pacing delay is derived therefrom. By taking into account intrinsic inter-atrial delay along with intrinsic atrioventricular delay, it is believed that a more reliable estimate of the true optimal atrioventricular delay values for the patient can be achieved than with techniques that only take into account intrinsic atrioventricular delay values. In one example, the technique uses intracardiac electrogram (IEGM) signals and surface electrocardiogram (EKG) signals and hence can be performed by an external programmer without requiring Doppler echocardiography or other cardiac performance monitoring techniques. In another example, wherein the implanted device is equipped with a coronary sinus lead, the technique uses only IEGM signals and hence can be performed by the device itself.
    • 提供了用于在起搏心室用于估算最佳房室延迟值的技术。 本征跨心房传导延迟和本征房室传导延迟被确定开采患者,然后首选房室起搏延迟源自那里。 考虑到固有的跨房延迟非常久远的内在房室传导延迟,但相信没有真正的最佳房室延迟值对病人更可靠的估计可能比技术也只考虑到内在房室传导延迟值来实现。 在一个实施例中,技术使用心内电克(IEGM)信号和体表心电图(ECG)信号,并且可以执行通过因此到外部编程,而不需要多普勒超声心动图或其它心脏性能监视技术。 在另一个实施例,worin植入设备配备有冠状窦导线,该技术仅使用IEGM信号和因此能够通过设备本身来执行。