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    • 2. 发明授权
    • Device and method for providing atrial-synchronized ventricular pacing with selective atrial tracking
    • 用于提供心房同步心室起搏和选择性心房跟踪的装置和方法
    • US08332030B2
    • 2012-12-11
    • US11115597
    • 2005-04-27
    • Michael F. HessEduardo N. Warman
    • Michael F. HessEduardo N. Warman
    • A61N1/00
    • A61N1/3622A61N1/3627A61N1/3684
    • A device for delivering pacing therapy includes an atrial and ventricular leads, sensing circuitry connected to the leads for detecting depolarizations, and pulse generation circuitry for delivering ventricular pacing pulses based on sensed atrial depolarizations. The device includes control circuitry for controlling the pulse generation circuitry in a first mode in which the pulse generation circuitry delivers atrial synchronized pulses to both the right and left ventricular leads in response to each atrial depolarization sensed. In response to a detected atrial arrhythmia, the control circuitry causes the pulse generation circuitry to deliver atrial synchronized ventricular pacing pulses in response only to selected atrial depolarizations.
    • 用于输送起搏治疗的装置包括心房和心室引线,连接到用于检测去极化的引线的感测电路以及用于基于感测的心房去极化来输送心室起搏脉冲的脉冲产生电路。 该装置包括用于在第一模式中控制脉冲发生电路的控制电路,其中脉冲发生电路响应于感测到的每个心房去极化而将心房同步脉冲输送到右心室和左心室引线。 响应于检测到的心房心律失常,控制电路使得脉冲发生电路仅响应于所选择的心房去极化来递送心房同步心室起搏脉冲。
    • 3. 发明授权
    • Automated reapplication of atrial pacing therapies
    • 心房起搏治疗的自动再次应用
    • US06876880B2
    • 2005-04-05
    • US10034060
    • 2001-12-20
    • Michael F. HessRahul MehraEduardo N. WarmanNirav V. ShethMark L. BrownDavid Ritscher
    • Michael F. HessRahul MehraEduardo N. WarmanNirav V. ShethMark L. BrownDavid Ritscher
    • A61N1/365A61N1/362A61N1/39
    • A61N1/3622A61N1/3624
    • The invention relates to the use of atrial pacing therapies to treat atrial tachycardia (AT). When an AT episode is detected, an implantable medical device applies an ATP therapy. If the AT episode persists, the ATP therapy may be automatically reapplied at a later time during the course of the same AT episode. In particular, previously used ATP therapies are reapplied when episodic conditions, such as cycle length or cycle regularity, change. Although a particular ATP therapy initially may be unsuccessful in terminating the AT, it may prove successful when the cycle length or regularity of the atrial rhythm changes. As the rhythm slows down, the AT may be more responsive to ATP therapies that were previously unsuccessful. As a result, potentially efficacious ATP therapies can be reapplied to terminate AT episodes, and reduce the number of episodes that require more aggressive termination by painful, atrial shocks.
    • 本发明涉及心房起搏疗法用于治疗房性心动过速(AT)的用途。 当检测到AT发作时,可植入医疗装置应用ATP疗法。 如果AT发作持续存在,ATP疗法可能会在相同的AT发作过程中的较晚时间自动重新应用。 特别是,当诸如循环长度或循环规律性等情况时,先前使用的ATP疗法将被重新应用。 尽管特定的ATP疗法最初可能不能终止AT,但是当心房节律的周期长度或规律性发生变化时,可能会成功。 随着节奏减慢,AT可能对以前不成功的ATP疗法更有反应。 因此,可以重新应用潜在有效的ATP疗法来终止AT发作,并通过痛苦的心房休克减少需要更积极终止的发作次数。