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21. 发明授权

US5702427A Verification of capture using pressure waves transmitted through a pacing lead 失效
标题翻译：使用通过起搏引线传输的压力波进行捕获验证
公开(公告)号：US5702427A
公开(公告)日：1997-12-30
申请号：US623443
申请日：1996-03-28
申请人： Robert M. Ecker , Lawrence C. McClure , John D. Wahlstrand
发明人： Robert M. Ecker , Lawrence C. McClure , John D. Wahlstrand
IPC分类号： A61N1/365 , A61N1/37 , A61N1/375
CPC分类号： A61N1/3702 , A61N1/36542 , A61N1/3712 , A61N1/36578
摘要： A capture verification system for a cardiac pacemaker comprising an implantable pulse generator (IPG) and one or more pacing leads having a proximal end coupled to the IPG and a distal end in contact with a patient's heart. The capture verification system employs a pressure wave sensor mounted in the IPG in relation to the proximal end of the pacing lead for sensing pressure waves transmitted from the distal end of the pacing lead to the proximal end thereof. The pressure waves include characteristic sounds of heart contraction and/or distal end lead motion caused by the contraction motion of the patient's heart that are transmitted along the lead body to the active sensor. A further isolated, reference sensor is also incorporated into the IPG in a similar fashion. Signal processors are coupled to the pressure wave and reference sensors for nulling out common mode noise.
摘要翻译：一种用于心脏起搏器的捕获验证系统，包括可植入脉冲发生器（IPG）和一个或多个起搏引线，其具有耦合到IPG的近端和与患者心脏接触的远端。捕获验证系统使用安装在IPG中的压力波传感器相对于起搏引线的近端，用于感测从起搏引线的远端传递到其近端的压力波。压力波包括由沿着引导体传递到有源传感器的患者心脏的收缩运动引起的心脏收缩和/或远端引导运动的特征性声音。另一个隔离的参考传感器也以类似的方式并入到IPG中。信号处理器耦合到压力波和参考传感器，以消除共模噪声。

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