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1. 发明授权

US06556859B1 System and method for classifying sensed atrial events in a cardiac pacing system 有权
标题翻译：在心脏起搏系统中分类感觉到的心房事件的系统和方法
公开(公告)号：US06556859B1
公开(公告)日：2003-04-29
申请号：US09556663
申请日：2000-04-24
申请人： Peter W. Wohlgemuth , Dave Munneke , Gustaaf Stoop , Henk Westendorp , Mattias Rouw
发明人： Peter W. Wohlgemuth , Dave Munneke , Gustaaf Stoop , Henk Westendorp , Mattias Rouw
IPC分类号： A61B50452
CPC分类号： A61N1/362 , A61N1/3622 , A61N1/3704 , A61N1/3956
摘要： A system for a method of classifying distinct signals sensed from an electrode of an implantable cardiac pacing system positioned within an atrium of a heart of a patient is disclosed. The cardiac pacing system includes a pulse generator for generating pacing pulses and a controller for controlling the operation of a pacemaker. The method includes collecting atrial event signals consisting of P-wave signals and far field R-wave signals. An interim form factor histogram is generated based upon a form of collected atrial event signals. The interim form factor histogram includes an interim P-wave form factor histogram and an interim far field R-wave form factor histogram, each having bins of atrial event signals. A previously generated form factor histogram is weighted and combined with the interim form factor histogram to create a representative form factor histogram. The representative form factor histogram is analyzed to determine if a minimal safety margin is located between the representative P-wave form factor histogram and the representative far field R-wave form factor histogram. Atrial event signals are classified by form as either P-wave signals or far field R-wave signals based upon the representative form factor histogram.
摘要翻译：公开了一种用于分类从位于患者心脏的心房内的可植入心脏起搏系统的电极感测到的不同信号的方法的系统。心脏起搏系统包括用于产生起搏脉冲的脉冲发生器和用于控制起搏器操作的控制器。该方法包括收集由P波信号和远场R波信号组成的心房事件信号。基于收集的心房事件信号的形式生成临时形状因子直方图。临时形状因子直方图包括临时P波形状因子直方图和临时远场R波形形状因子直方图，每个都具有心房事件信号。将先前生成的形状因子直方图加权并与临时形状因子直方图组合以创建代表性的形状因子直方图。分析代表性形状因子直方图以确定代表性的P波形状因子直方图与代表性的远场R波形形状因子直方图之间是否存在最小安全裕度。基于代表性的形状因子直方图，心房事件信号通过形式分类为P波信号或远场R波信号。

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