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    • 41. 发明授权
    • Apparatus and methods of energy efficient, atrial-based Bi-ventricular fusion-pacing
    • 节能,基于心房的双心室融合起搏的装置和方法
    • US07181284B2
    • 2007-02-20
    • US10803570
    • 2004-03-17
    • John E. BurnesThomas J. Mullen
    • John E. BurnesThomas J. Mullen
    • A61N1/36
    • A61N1/3627A61N1/3682A61N1/3684
    • The bi-ventricular implantable pulse generator described and depicted herein enables hemodynamic efficiencies for patients suffering from intraventricular conduction delays or conduction blockage. The pulse generator effectively overcomes such conduction delay or block (e.g., left bundle branch block, “LBBB,” or right bundle branch block, “RBBB”) by delivering a novel form of cardiac resynchronization therapy (CRT). Specifically, a single ventricular pre-excitation pacing stimulus is triggered from an atrial event (e.g., intrinsic or evoked depolarization). The triggering event may emanate from the right atrium (RA) or the left atrium (LA). A single ventricular pre-excitation pacing stimulus is delivered prior to the intrinsic depolarization of the other ventricle and thus promotes intraventricular electromechanical synchrony during CRT delivery.
    • 本文描述和描述的双心室可植入脉冲发生器能够对患有心室内传导延迟或传导阻塞的患者进行血液动力学效率。 通过递送心脏再同步治疗(CRT)的新形式,脉冲发生器有效地克服了这种传导延迟或阻滞(例如左束支传导阻滞“LBBB”或右束支传导阻滞“RBBB”)。 具体来说,从心房事件(例如内在或诱发的去极化)触发单个心室预激发起搏刺激。 触发事件可能从右心房(RA)或左心房(LA)发出。 在另一个心室的内在去极化之前输送单个心室预激励起搏刺激,从而在CRT输送期间促进脑室内机电同步。
    • 49. 发明申请
    • ALGORITHM FOR THE AUTOMATIC DETERMINATION OF OPTIMAL AV AND VV INTERVALS
    • 用于自动确定最佳AV和VV间隔的算法
    • US20120150253A1
    • 2012-06-14
    • US13400381
    • 2012-02-20
    • John E. BurnesYong K. ChoDavid IgelLuc R. MongeonJohn C. RueterHarry StoneJodi Zilinski
    • John E. BurnesYong K. ChoDavid IgelLuc R. MongeonJohn C. RueterHarry StoneJodi Zilinski
    • A61N1/365
    • A61N1/3627A61N1/36521A61N1/3682A61N1/3684
    • Methods and devices for determining optimal Atrial to Ventricular (AV) pacing intervals and Ventricular to Ventricular (VV) delay intervals in order to optimize cardiac output. Impedance, preferably sub-threshold impedance, is measured across the heart at selected cardiac cycle times as a measure of chamber expansion or contraction. One embodiment measures impedance over a long AV interval to obtain the minimum impedance, indicative of maximum ventricular expansion, in order to set the AV interval. Another embodiment measures impedance change over a cycle and varies the AV pace interval in a binary search to converge on the AV interval causing maximum impedance change indicative of maximum ventricular output. Another method varies the right ventricle to left ventricle (VV) interval to converge on an impedance maximum indicative of minimum cardiac volume at end systole. Another embodiment varies the VV interval to maximize impedance change.
    • 用于确定最佳心房与心室(AV)起搏间隔和心室间室(VV)延迟间隔的方法和装置,以优化心输出量。 在选择的心脏周期时间内,跨心脏测量阻抗,优选亚阈值阻抗,作为腔室扩张或收缩的量度。 为了设定AV间隔,一个实施例测量长AV间隔上的阻抗以获得指示最大心室扩张的最小阻抗。 另一个实施例测量一个周期的阻抗变化,并且改变二进制搜索中的AV步速间隔以收敛于AV间隔,从而引起指示最大心室输出的最大阻抗变化。 另一种方法将右心室改变为左心室(VV)间隔,以收敛于指示最终心脏收缩最小心脏容积的阻抗最大值。 另一实施例改变VV间隔以最大化阻抗变化。
    • 50. 发明申请
    • IMPLANTABLE MEDICAL DEVICE INCLUDING TWO POWER SOURCES
    • 可植入医疗器械,包括两个电源
    • US20100114215A1
    • 2010-05-06
    • US12609637
    • 2009-10-30
    • John E. BurnesPaul G. KrauseWilliam T. Donofrio
    • John E. BurnesPaul G. KrauseWilliam T. Donofrio
    • A61N1/378A61N1/39
    • A61N1/378A61N1/36114A61N1/3962A61N1/3975
    • An implantable medical device (IMD) may include a battery dedicated to providing cardiac stimulation therapy and a separate power source that provides power for electrical stimulation therapy. Such a configuration preserves the battery dedicated for providing cardiac stimulation therapy even if the second power source is depleted. As an example, the IMD may comprise a cardiac stimulation module configured to deliver at least one stimulation therapy selected from a group consisting of pacing, cardioversion and defibrillation. The IMD further comprises a electrical stimulation module configured to deliver electrical stimulation therapy, a first power source including a battery, wherein the first power source is configured to supply power to the cardiac stimulation module and not to the electrical stimulation module, and a second power source. The second power source is configured to supply power to at least the electrical stimulation module.
    • 可植入医疗装置(IMD)可以包括专用于提供心脏刺激治疗的电池和为电刺激治疗提供电力的单独电源。 这样的配置即使在第二电源耗尽的情况下也保留专用于提供心脏刺激治疗的电池。 作为示例,IMD可以包括心脏刺激模块,该心脏刺激模块被配置为递送至少一种选自起搏,心脏复律和除颤的刺激疗法。 IMD还包括被配置为递送电刺激治疗的电刺激模块,包括电池的第一电源,其中第一电源被配置为向心脏刺激模块而不是电刺激模块供电,以及第二电源 资源。 第二电源被配置为向至少电刺激模块供电。