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    • 7. 发明授权
    • Noise rejection for monitoring ECG's
    • 监测心电图的噪声抑制
    • US06236882B1
    • 2001-05-22
    • US09353167
    • 1999-07-14
    • Brian B. LeeMichael R. KaneGregg Turi
    • Brian B. LeeMichael R. KaneGregg Turi
    • A61B50402
    • A61B5/0402A61B5/0432A61B5/0456A61B5/7203A61B5/7232
    • An implantable medical device which preferably has a segmented looping memory for storing triggered physiologic events also has autotriggers to record the ECGs and any other relevant physiologic signals occurring during triggering events. The problem is that in the far field R-wave sensing is difficult because of noise. Denial and extensible accommodation periods are introduced into the R-wave sensing registration for triggering data storage. If the event is sensed during an accommodation period the sense will not add an R-wave sense to the trigger's count of R-waves. It may cause resetting of the trigger count in some circumstnaces. Typical triggering events may include arrhythmia's and syncopal events. Preferably the device can function without a microprocessor. An outside device or other patient activated manual trigger may be included. Auto triggers and manually set triggers may be of different sizes. Electrode spacing can be critical. Additional sensors may be provided to the device. Preferred communications with the device is through telemetry such as is used for pacemakers and other implanted devices.
    • 优选地具有用于存储触发的生理事件的分段循环存储器的可植入医疗装置还具有记录ECG的自动触发器以及在触发事件期间发生的任何其它相关生理信号。 问题在于,在远场R波传感由于噪声困难。 拒绝和可延伸的住宿期被引入到R波感测注册中以触发数据存储。 如果在住宿期间感测到事件,感觉不会在触发器的R波数量上增加R波感。 在某些情况下可能会导致触发计数的重置。 典型的触发事件可能包括心律失常和晕厥事件。 优选地,该装置可以在没有微处理器的情况下工作。 可以包括外部设备或其他患者激活的手动触发器。 自动触发器和手动设置触发器可能具有不同的大小。 电极间距可能很重要。 可以向设备提供附加的传感器。 与设备的首选通信是通过诸如用于起搏器和其他植入设备的遥测。