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    • 1. 发明申请
    • METHOD AND APPARATUS FOR DIAGNOSIS AND TREATMENT OF ARRHYTHMIAS
    • ARRHYTHMIAS诊断和治疗方法与装置
    • WO1998026839A1
    • 1998-06-25
    • PCT/US1997023323
    • 1997-12-16
    • MEDTRONIC, INC.
    • MEDTRONIC, INC.PETERSON, David, K.JIRAK, Thomas, L.ZHOU, RenHILL, Michael, R., S.
    • A61N01/368
    • A61N1/3622A61N1/3688
    • A pacemaker provided with a mode switching feature adapted to stabilize ventricular heart rate during atrial fibrillation. In a preferred embodiment of the invention, the device nominally operates in an atrial synchronized pacing mode such as DDD, DDDR, VDD or VDDR. In response to detection of atrial rhythm characteristics consistent with atrial fibrillation, the device switches into a non-atrial synchronized, ventricular rate stabilization pacing mode with the base ventricular pacing rate modulated on a beat by beat basis based upon preceding intrinsic or paced ventricular heartbeat intervals to adjust the pacing interval towards a desired preset rate stabilization target pacing interval which is typically less than the programmed base pacing interval of the device. While the ventricular rate stabilization mode is in effect, the current pacing interval is set equal to the preceding intrinsic or paced interval, with an increment if the preceding interval is less than the desired or target pacing interval, as typically will be the case, or with a decrement if the preceding interval is greater than the desired pacing interval. In a preferred embodiment of the invention, the device paces both the atria and ventricles in a DDI rate stabilization pacing mode with the ventricular pacing interval being modulated.
    • 心脏起搏器配有模式切换功能,适用于在心房颤动期间稳定心室心率。 在本发明的优选实施例中,该装置名义上以心房同步起搏模式(例如DDD,DDDR,VDD或VDDR)操作。 为了响应与心房颤动一致的心房节律特征的检测,该装置转换成非心房同步的心室速率稳定起搏模式,其基本心室起搏速度基于先前的固有或起搏心室心跳间隔以搏动为基础进行调整 以将起搏间隔调整到期望的预设速率稳定化目标起搏间隔,其通常小于设备的编程的基本起搏间隔。 当心室速率稳定模式有效时,将当前起搏间隔设置为等于前一个固有或起搏间隔,如果前一个间隔小于期望的或目标起搏间隔,则增量,如通常情况,或 如果前一个间隔大于所需的起搏间隔,则递减。 在本发明的优选实施例中,该装置以调节心室起搏间隔的DDI速率稳定起搏模式对心房和心室起搏。
    • 8. 发明公开
    • METHOD AND APPARATUS FOR DIAGNOSIS AND TREATMENT OF ARRHYTHMIAS
    • 方法和设备的诊断和治疗心律失常
    • EP0957984A1
    • 1999-11-24
    • EP97951739.0
    • 1997-12-16
    • MEDTRONIC, INC.
    • PETERSON, David, K.JIRAK, Thomas, L.ZHOU, RenHILL, Michael, R., S.
    • A61N1
    • A61N1/3622A61N1/3688
    • A pacemaker provided with a mode switching feature adapted to stabilize ventricular heart rate during atrial fibrillation. In a preferred embodiment of the invention, the device nominally operates in an atrial synchronized pacing mode such as DDD, DDDR, VDD or VDDR. In response to detection of atrial rhythm characteristics consistent with atrial fibrillation, the device switches into a non-atrial synchronized, ventricular rate stabilization pacing mode with the base ventricular pacing rate modulated on a beat by beat basis based upon preceding intrinsic or paced ventricular heartbeat intervals to adjust the pacing interval towards a desired preset rate stabilization target pacing interval which is typically less than the programmed base pacing interval of the device. While the ventricular rate stabilization mode is in effect, the current pacing interval is set equal to the preceding intrinsic or paced interval, with an increment if the preceding interval is less than the desired or target pacing interval, as typically will be the case, or with a decrement if the preceding interval is greater than the desired pacing interval. In a preferred embodiment of the invention, the device paces both the atria and ventricles in a DDI rate stabilization pacing mode with the ventricular pacing interval being modulated.
    • 9. 发明授权
    • APPARATUS FOR DIAGNOSIS AND TREATMENT OF ARRHYTHMIAS
    • 用于诊断和治疗心律失常的装置
    • EP1015073B1
    • 2003-11-12
    • EP97952442.8
    • 1997-12-10
    • MEDTRONIC, INC.
    • PETERSON, David, K.HILL, Michael, R., S.ZHOU, RenPRIEVE, Kathleen, A.
    • A61N1/368
    • A61N1/3962A61N1/3622
    • An implantable pacemaker employing an arrhythmia prevention pacing modality particularly optimized for inclusion in dual chamber pacemakers and anti-arrhythmia devices which include dual chamber pacemakers. When the pacing mode is in effect, the device alters timing of scheduled atrial and/or ventricular pacing pulses in response to depolarizations sensed during the refractory periods and to ventricular depolarizations sensed outside of the pacemaker's A-V escape intervals. The arrhythmia prevention pacing mode is activated and deactivated in conjunction with the operation of arrhythmia detection features which may also be employed by the device to trigger delivery of anti-arrhythmia therapies.
    • 一种使用预防心律失常起搏方式的植入式起搏器,特别适用于双室起搏器和包括双腔起搏器的抗心律失常装置。 当起搏模式起作用时,该装置响应于在不应期期间感测的去极化和在起搏器的A-V脱离间隔外感测到的心室去极化,改变预定的心房和/或心室起搏脉冲的时序。 心律失常预防起搏模式与心律失常检测特征的操作一起被激活和停用,该特征也可以被设备用来触发抗心律失常治疗的递送。
    • 10. 发明授权
    • APPARATUS FOR DIAGNOSIS AND TREATMENT OF ARRHYTHMIAS
    • 设备的诊断和治疗心律失常
    • EP0957984B1
    • 2003-03-19
    • EP97951739.8
    • 1997-12-16
    • MEDTRONIC, INC.
    • PETERSON, David, K.JIRAK, Thomas, L.ZHOU, RenHILL, Michael, R., S.
    • A61N1/368
    • A61N1/3622A61N1/3688
    • A pacemaker provided with a mode switching feature adapted to stabilize ventricular heart rate during atrial fibrillation. In a preferred embodiment of the invention, the device nominally operates in an atrial synchronized pacing mode such as DDD, DDDR, VDD or VDDR. In response to detection of atrial rhythm characteristics consistent with atrial fibrillation, the device switches into a non-atrial synchronized, ventricular rate stabilization pacing mode with the base ventricular pacing rate modulated on a beat by beat basis based upon preceding intrinsic or paced ventricular heartbeat intervals to adjust the pacing interval towards a desired preset rate stabilization target pacing interval which is typically less than the programmed base pacing interval of the device. While the ventricular rate stabilization mode is in effect, the current pacing interval is set equal to the preceding intrinsic or paced interval, with an increment if the preceding interval is less than the desired or target pacing interval, as typically will be the case, or with a decrement if the preceding interval is greater than the desired pacing interval. In a preferred embodiment of the invention, the device paces both the atria and ventricles in a DDI rate stabilization pacing mode with the ventricular pacing interval being modulated.