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    • 94. 发明授权
    • Capture verification with intrinsic response discrimination
    • 用内在反应辨别捕捉验证
    • US07761162B2
    • 2010-07-20
    • US11010973
    • 2004-12-13
    • Yanting DongScott A. MeyerQingsheng Zhu
    • Yanting DongScott A. MeyerQingsheng Zhu
    • A61N1/365
    • A61N1/3712
    • Approaches to automatically classifying a cardiac response to pacing involve discriminating between a captured response and non-capture with intrinsic activation. A capture detection system senses for morphological characteristics of a cardiac signal associated with the pacing pulse. The cardiac signal may be sensed using a defibrillation electrode during one or more time intervals following delivery of the pacing pulse. If a first characteristic of the cardiac signal achieves a threshold value, the system continues to sense the cardiac signal and detects a second characteristic. The cardiac pacing response is determined based on at least one of the first and the second cardiac signal characteristics.
    • 自动分类心脏起搏应答的方法涉及通过内在激活区分被捕获的应答和非捕获。 捕获检测系统感测与起搏脉冲相关的心脏信号的形态特征。 可以在递送起搏脉冲之后的一个或多个时间间隔期间使用除颤电极来感测心脏信号。 如果心脏信号的第一特征达到阈值,则系统继续感测心脏信号并检测第二特征。 基于第一和第二心脏信号特征中的至少一个确定心脏起搏响应。
    • 98. 发明申请
    • Capture Detection for Multi-Chamber Pacing
    • 多腔起搏的捕获检测
    • US20090069858A1
    • 2009-03-12
    • US12214852
    • 2008-06-23
    • Yanting DongScott A. MeyerKevin John Stalsberg
    • Yanting DongScott A. MeyerKevin John Stalsberg
    • A61N1/362
    • A61N1/3712A61N1/3684
    • Multi-chamber pacing may result in capture of one chamber, capture of multiple chambers, fusion, or non-capture. Approaches for detecting various capture conditions during multi-chamber pacing are described. Pacing pulses are delivered to left and right heart chambers during a cardiac cycle. A cardiac electrogram signal is sensed following the delivery of the pacing pulses. Left chamber capture only, right chamber capture only, and bi-chamber capture may be distinguished based on characteristics of the cardiac electrogram signal. Multi-chamber capture detection may be implemented using detection windows having dimensions of time and amplitude. The detection windows are associated with expected features, such as expected signal peaks, under a particular capture condition. The cardiac electrogram signal features are compared to detection windows to determine the capture condition.
    • 多腔起搏可能导致一个腔室的捕获,多个腔室的捕获,融合或非捕获。 描述了在多室起搏期间检测各种捕获条件的方法。 在心动周期期间,起搏脉冲被传送到左心室和右心室。 在起搏脉冲输送之后感测心电图信号。 仅左室捕获,右室捕获,双室捕获可以基于心电图信号的特征来区分。 可以使用具有时间和幅度尺寸的检测窗来实现多室捕获检测。 检测窗口与特定捕获条件下的预期特征(例如期望的信号峰值)相关联。 将心电图信号特征与检测窗口进行比较以确定捕获条件。