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    • 17. 发明申请
    • CLOSED LOOP OPTIMIZATION OF A-V AND V-V TIMING
    • A-V和V-V时序的闭环优化
    • WO2007079343A3
    • 2007-09-27
    • PCT/US2006062098
    • 2006-12-14
    • MEDTRONIC INCWANG LI
    • WANG LI
    • A61N1/365A61N1/368
    • A61N1/3756A61B5/0452A61B5/0472A61N1/362A61N1/3627A61N1/365A61N1/3682A61N1/3684
    • Embodiments of close loop optimization of atrioventricular (A-V) delay interval and/or inter-ventricular (V-V) timing are disclosed. An implantable medical device includes a . housing that supports a processing means adapted for implantation in a patient, There can be two or more electrodes electrically coupled to the processing means where the two or more electrodes can be used for sensing a patient's cardiac signals, which include a far-field EGM. The processing means can determine a width of a P-wave from the sensed far-field EGM Also included can be a means for delivering an adapted cardiac pacing therapy based upon the width of the P-wave, including revised A-V delay and/or V-V temporal intervals.
    • 公开了房室(A-V)延迟间隔和/或心室间(V-V)定时的闭环优化的实施例。 一种可植入医疗器械包括:a。 支撑适于植入患者体内的处理装置的外壳。可以有两个或更多电极与处理装置电耦合,其中两个或更多个电极可用于感测患者的心脏信号,其包括远场EGM。 处理装置可以根据感测的远场EGM确定P波的宽度。还可以包括用于基于P波的宽度传送适应的心脏起搏治疗的装置,包括修正的AV延迟和/或VV 时间间隔。
    • 20. 发明申请
    • METHOD AND APPARATUS FOR IMPEDANCE SIGNAL LOCALIZATIONS FROM IMPLANTED DEVICES
    • 用于阻挡信号局部化的方法和装置
    • WO2004096041A3
    • 2004-12-02
    • PCT/US2004011470
    • 2004-04-14
    • MEDTRONIC INCWANG LI
    • WANG LI
    • A61B5/053A61B5/08A61N1/365A61N1/37
    • A61N1/36521A61B5/053A61B5/0809A61B5/7285
    • Method and apparatus for monitoring a plurality of physiological factors contributing to physiological conditions of a heart, that determines a first impedance, corresponding to the plurality of physiological factors, across a plurality of vectors, and a second impedance, corresponding to the plurality of physiological factors, across the plurality of vectors subsequent to determining the first impedance. A relative change in impedance corresponding to the plurality of vectors is determined in response to the first impedance and the second impedance, first minimally contributing physiological factors of the plurality of physiological factors associated with a first physiological factor of the plurality of physiological factors are determined, and relative change in tissue resistivity corresponding to the first physiological factor in response to physiological factors of the plurality of physiological factors other than the first minimal contributing physiological factors and the relative change in impedance are determined.
    • 用于监测有助于心脏生理状态的多个生理因子的方法和装置,其确定对应于多个向量的多个生理因素的第一阻抗和对应于多个生理因子的第二阻抗 在确定第一阻抗之后跨越多个向量。 响应于第一阻抗和第二阻抗确定与多个向量相对应的阻抗的相对变化,确定与多个生理因子中的第一生理因子相关联的多个生理因子的第一最小贡献的生理因子, 并且确定响应于除了第一最小贡献生理因子之外的多个生理因素的生理因素和阻抗的相对变化的对应于第一生理因子的组织电阻率的相对变化。