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    • 2. 发明申请
    • A SYSTEM AND METHOD FOR CONDITIONAL BIVENTRICULAR PACING
    • 一种用于条件双歧杆菌的系统和方法
    • WO2010099421A1
    • 2010-09-02
    • PCT/US2010/025552
    • 2010-02-26
    • MEDTRONIC, INC.SWEENEY, Michael, O.SHELDON, Todd, J.
    • SWEENEY, Michael, O.SHELDON, Todd, J.
    • A61N1/365A61N1/368
    • A61N1/368A61B5/0402A61N1/36578A61N1/3684A61N1/3688A61N1/3714
    • An implantable pacing system with single, double and triple chamber pacing capabilities, provided individually or in concert on a conditional or continuous basis depending upon ongoing analyses of atrial rhythm status, atrioventricular conduction status and ventricular rate. A mode is selected to reduce the occurrence of any ventricular pacing in favor of intrinsic atrioventricular and ventricular conduction. If excessively long PR intervals are occurring too frequently or atrioventricular conduction is unreliable or absent, the implantable pulse generator is operated in a conditional triple chamber pacing mode that provides atrial-synchronous biventricular pacing in every cardiac cycle for a period of time as necessary to restore and maintain AV synchrony, while minimizing ventricular asynchrony otherwise associated with monochamber RV pacing as in conventional dual chamber pacing systems. Similarly, biventricular pacing is provided in every cardiac cycle when ventricular rates are undesirably slow during atrial fibrillation, where AV synchronization is excluded.
    • 具有单室,双室和三室起搏功能的可植入起搏系统,根据对心房节律状态,房室传导状态和心室率的持续分析,在有条件或连续的基础上单独或协调提供。 选择一种模式以减少有利于内在房室传导和心室传导的任何心室起搏的发生。 如果发生过长的PR间期太频繁或房室传导不可靠或不存在,则可植入脉冲发生器以条件三室起搏模式操作,其在每个心动周期中提供心房同步双心室起搏一段时间以恢复 并保持AV同步,同时最小化与常规双室起搏系统中的单室RV起搏相关的心室不同步。 类似地,在每个心动周期中提供双心室起搏,当心房颤动期间的心室率不合需要地缓慢时,排除AV同步。