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    • 7. 发明申请
    • Adaptive Waveform Appraisal in an Implantable Cardiac System
    • 植入式心脏系统中的自适应波形评估
    • US20110098775A1
    • 2011-04-28
    • US12913647
    • 2010-10-27
    • Venugopal AllavatamRick SangheraJay A. Warren
    • Venugopal AllavatamRick SangheraJay A. Warren
    • A61N1/08
    • A61B5/04012A61N1/37A61N1/3706A61N1/3987
    • Methods and implantable devices for cardiac signal analysis. The methods and devices make use of waveform appraisal techniques to distinguish event detections into categories for suspect events and waveform appraisal passing events. When adjustments are made to the data entering analysis for waveform appraisal, the waveform appraisal thresholds applied are modified as well. For example, when the data analysis window for waveform appraisal changes in length, a waveform appraisal threshold is modified. Other changes, including changes in sensing characteristics with which waveform appraisal operates may also result in changes to the waveform appraisal threshold including changes in gain, sensing vector, activation of other devices, implantee posture and other examples which are explained.
    • 用于心脏信号分析的方法和可植入装置。 方法和设备利用波形评估技术将事件检测区分为可疑事件和波形评估传递事件的类别。 当对输入波形评估分析的数据进行调整时,也会修改应用的波形评估阈值。 例如,当波形评估的数据分析窗口长度变化时,波形评估阈值被修改。 其他变化,包括波形评估操作的检测特性的变化也可能导致波形评估阈值的变化,包括增益,感测向量,其他设备的激活,植入者姿势以及其他所示示例的变化。