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    • 7. 发明授权
    • Refractory period stimulation to increase ventricular performance
    • 耐火期刺激增加心室表现
    • US07835789B2
    • 2010-11-16
    • US11379904
    • 2006-04-24
    • David E. Euler
    • David E. Euler
    • A61N1/362
    • A61N1/36514A61N1/3627
    • Implantable pulse generators (IPGs) are adapted to deliver stimulation to refractory myocardial tissue. An IPG nominally delivers one to six monophasic stimulation pulses. Because monophasic stimulation tends to accumulate polarization, a programmable blanking period of between about 20 milliseconds (ms) and about 300 ms is implemented (subsequent to delivery of the last pulse in a RPS pulse train) to allow recovery from polarization. The stimulation pulse width is about 0.03 ms to about 1.6 ms and voltage amplitude of 0.5 volts to 8 volts at about 50 Hz. The amplitude of electrical current of the stimulation pulses is less than or equal to approximately 50 milliamps. The pulses are delivered to multiple sites within a cardiac chamber and device performance and/or diagnostic information can be stored within a memory structure and reviewed to confirm delivery of a desired therapy regimen.
    • 植入式脉冲发生器(IPG)适用于将难度增加的心肌组织刺激。 IPG名义上提供一到六个单相刺激脉冲。 因为单相刺激倾向于积聚极化,所以实现约20毫秒(ms)到约300ms之间的可编程消隐周期(在RPS脉冲串中传送最后一个脉冲之后)以允许从极化恢复。 刺激脉冲宽度为约0.03ms至约1.6ms,在约50Hz下的电压振幅为0.5伏至8伏。 刺激脉冲的电流幅度小于或等于约50毫安。 将脉冲输送到心室内的多个部位,并且将装置性能和/或诊断信息存储在存储器结构内并进行审查,以确认所需治疗方案的递送。
    • 9. 发明授权
    • Apparatus and methods of delivering an enhanced refractory period stimulation therapy
    • 递送增强型不应期刺激疗法的装置和方法
    • US08478406B2
    • 2013-07-02
    • US11379886
    • 2006-04-24
    • John E. BurnesDavid E. Euler
    • John E. BurnesDavid E. Euler
    • A61N1/365
    • A61N1/3627A61N1/36514
    • Refractory period stimulation (RPS) disclosed herein includes apparatus and methods to enhance cardiac performance by delivering monophasic stimulation pulses during the refractory period. The disclosure describes several system level improvements to RPS that include one or more of the following: (i) Delivery of RPS therapy pulses at multiple sites in an automatically alternating way to avoid increasing demand at any one location for prolonged periods of time. (ii) Delivery of RPS therapy pulses at multiple sites to determine one or more optimal electrode configurations for chronic RPS therapy delivery. (iii) Use of separate electrode(s) for sensing ventricular activity to properly time and adjust the application of RPS thereby avoiding limitations associated with electrode polarization that occurs due to the amount of energy delivered during the RPS. (iv) Use of a relatively long active recharge pulse at the RPS stimulation electrodes to remove the undesirable effects of polarization.
    • 本文公开的难治性周期刺激(RPS)包括通过在不应期期间递送单相刺激脉冲来增强心脏性能的装置和方法。 本公开描述了对RPS的几个系统级改进,其包括以下一个或多个:(i)以自动交替方式在多个位置递送RPS治疗脉冲,以避免在任何一个位置长时间增加需求。 (ii)在多个位点递送RPS治疗脉冲以确定用于慢性RPS治疗递送的一种或多种最佳电极配置。 (iii)使用单独的电极来感测心室活动以适当地时间和调整RPS的应用,从而避免由于在RPS期间递送的能量的量而发生的与电极极化相关的限制。 (iv)在RPS刺激电极处使用相对长的主动再充电脉冲以消除不期望的极化影响。
    • 10. 发明授权
    • High frequency atrial burst pacing for improved ventricular rate control during atrial arrhythmias
    • 高频心房爆发起搏,用于改善房性心律失常期间的心室率控制
    • US07200438B2
    • 2007-04-03
    • US10860991
    • 2004-06-04
    • David E. Euler
    • David E. Euler
    • A61N1/368
    • A61N1/3622
    • A method and device for delivering cardiac stimulation that includes a first electrode, positioned within a first chamber of a heart, sensing cardiac signals associated with the first chamber and capable of delivering stimulation to the first chamber, and a second electrode, positioned within a second chamber of the heart, sensing cardiac signals associated with the second chamber and capable of delivering stimulation to the second chamber. A processing unit processes the sensed signals and controls the stimulation delivery via the first electrode and the second electrode, determining whether a predetermined rhythm is detected in the first chamber, and delivering high-frequency burst pacing to the first chamber in response to a predetermined rate being sensed in the second chamber during the predetermined rhythm.
    • 一种用于递送心脏刺激的方法和装置,其包括位于心脏的第一腔室内的第一电极,感测与第一腔室相关联并能够向第一腔室递送刺激的心脏信号,以及位于第二腔室内的第二电极 心脏的腔室,感测与第二腔室相关联的心脏信号并且能够将刺激传递给第二腔室。 处理单元处理感测到的信号并且控制经由第一电极和第二电极的刺激传递,确定在第一室中是否检测到预定的节律,以及响应于预定的速率将高频脉冲起搏递送到第一腔室 在预定的节奏期间在第二室中被感测。