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    • 57. 发明授权
    • Implantable atrial defibrillator having therapy inhibition responsive to
atrial cycle length
    • 具有响应于心房周期长度的治疗抑制的可植入心房除颤器
    • US06018681A
    • 2000-01-25
    • US984588
    • 1997-12-03
    • Jaeho Kim
    • Jaeho Kim
    • A61N1/39
    • A61N1/3956A61N1/395
    • There is disclosed an atrial defibrillator including a lead system for sensing activity of a heart in or near at least on atrium of the heart, a detector for detecting atrial events from the sensed atrial activity, and a cardioverter for applying cardioverting electrical energy to the atria of the heart when the atria are in need of cardioversion. A timer determines time spans between successive detected atrial events and an inhibit stage precludes the cardioverter from applying cardioverting energy to the heart when a time span is greater than a predetermined limit.
    • 公开了一种心房除颤器,其包括用于感测心脏至少在心房内心脏附近或其附近的心脏的活动的引导系统,用于从所感测的心房活动中检测心房事件的检测器,以及用于向心房施加心律转复电能的心律转复器 当心房需要心脏复律时。 定时器确定在连续检测到的心房事件和抑制阶段之间的时间跨度阻止了心脏复律器在时间跨度大于预定极限时向心脏施加心脏转换能量。
    • 58. 发明授权
    • Method and system for detecting dislodgment of an implanted right atrial
endocardial lead using sensing periods established with one other lead
    • 用于使用与另一个引线建立的感测周期来检测植入的右心房心内膜导联的移位的方法和系统
    • US5991662A
    • 1999-11-23
    • US102855
    • 1998-06-23
    • Jaeho KimPhillip D. Foshee, Jr.
    • Jaeho KimPhillip D. Foshee, Jr.
    • A61N1/37
    • A61N1/37
    • A system and method are provided for detecting dislodgment of a right atrial endocardial lead implanted within a heart right atrium wherein the lead includes an electrode. Atrial and ventricular activity of the heart are sensed with one other lead during a time period. Also during the time period, heart activity is sensed with the endocardial lead electrode. The sensed heart activity is stored in memory. The stored heart activity sensed with the one other lead is analyzed to establish a first time window from the sensed atrial heart activity and a second time window from the sensed ventricular activity. The heart activity sensed with the endocardial lead electrode during the first time window is then compared to the heart activity sensed with the endocardial lead electrode during the second time window.
    • 提供了一种系统和方法,用于检测植入在心脏右心房内的右心房心内膜的脱落,其中所述引线包括电极。 心脏的心房和心室活动在一段时间内用另一个铅感测。 同时在这段时间内,用心内膜引导电极检测心脏活动。 所感知的心脏活动被存储在存储器中。 分析用另一个引线感测到的存储的心脏活动,以从所感测的心房心脏活动建立第一时间窗口,并从感测到的心室活动中建立第二时间窗口。 然后在第一时间窗口期间用心内膜引导电极感测的心脏活动与在第二时间窗口期间用心内膜引导电极感测的心脏活动进行比较。
    • 59. 发明授权
    • Atrial cardioverter with window based atrial tachyarrhythmia detection
system and method
    • 心房心律转复者与基于窗口的心房快速性心律失常检测系统及方法
    • US5991657A
    • 1999-11-23
    • US130385
    • 1998-08-06
    • Jaeho Kim
    • Jaeho Kim
    • A61B5/0402A61B5/0452A61N1/39
    • A61N1/3962
    • There is disclosed an implantable atrial cardioverter for delivering therapy to atria of a human heart if an atrial tachyarrhythmia is present. The cardioverter includes a first sense channel for sensing atrial heart activity within the right atrium of the heart for providing an atrial electrogram having a plurality of cardiac cycles and a second sense channel for sensing ventricular activity of the heart to provide a ventricular electrogram. The cardioverter further includes an atrial tachyarrhythmia detector including a detection window stage responsive to at least the ventricular electrogram to identify for each cardiac cycle of the atrial electrogram, a detection window period free of any heart activity other than spontaneous atrial heart activity, an A wave detector for identifying A waves occurring during each detection window period means for determining atrial cycle lengths between the identified A waves, and a decision stage responsive to the determined atrial cycle lengths for determining if an atrial tachyarrhythmia is present. A cardioverting stage delivers therapy to the atria if an atrial tachyarrhythmia is present.
    • 公开了一种植入式心房心律转换器,用于在存在心房快速性心律失常的情况下将治疗递送至人心脏的心房。 心脏复律器包括用于感测心脏右心房内的心房心脏活动的第一感测通道,用于提供具有多个心动周期的心房电描记图,以及用于感测心脏心室活动以提供心室电描记图的第二感测通道。 心律转换器还包括心房快速性心律失常检测器,其包括响应至少心室电描记图以检测心房电描记图的每个心动周期的检测窗口阶段,除自发性心房心脏活动之外的任何心脏活动的检测窗口周期,A波 用于识别在每个检测窗口周期期间发生的A波​​的检测器用于确定所识别的A波之间的心房周期长度,以及响应于所确定的心房周期长度的决定阶段,用于确定是否存在心房快速性心律失常。 如果存在心房快速性心律失常,心脏转移阶段向心房提供治疗。