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    • 9. 发明授权
    • Cardio mapping system and method for cardio mapping
    • 心脏测绘系统和心脏测绘方法
    • US08644917B2
    • 2014-02-04
    • US13604168
    • 2012-09-05
    • Allan M. Greenspan
    • Allan M. Greenspan
    • A61B5/0452
    • A61B5/0452A61B5/0408A61B5/0464A61B5/0538A61B5/062A61B18/1492A61B18/18A61B2018/0016A61B2018/00357A61B2018/00577A61B2018/00839A61B2018/00875
    • A method and system for determining the mechanism of cardiac arrhythmia in a patient is disclosed. The method basically entails measuring the impedance of cardiac tissue in a portion of the patient's heart using a catheter during an episode of supraventricular tachycardia to produce an iso-impedance map of that cardiac tissue on a video display and analyzing the pattern of the iso-impedance map to differentiate focal arrhythmia caused by a circumscribed region of focal firing and reentrant arrhythmia caused by a macroreentrant circuit. The method can also be used to identify regions of coherent rapidly conducting tissue e.g., Bachman's bundle or the inferoposterior pathway insertion points, to identify focal “mother rotors” throughout the left atrium that may participate in the generation and maintenance of atrial fibrillation and to identify areas of CAFE (complex atrial/fractionated electrograms) that truly reflect these mother rotors.
    • 公开了一种用于确定患者心律失常机制的方法和系统。 该方法基本上需要在室上性心动过速发作期间使用导管测量患者心脏的一部分中的心脏组织的阻抗,以在视频显示器上产生该心脏组织的等阻抗图,并分析等阻抗的模式 映射以区分由大面积电路引起的局灶性烧伤的外切区域和可重入心律失常引起的局灶性心律失常。 该方法还可以用于识别相干快速传导组织的区域,例如巴赫曼氏束或前后路径插入点,以识别整个左心房中可能参与心房颤动的产生和维持的局部“母体转子”,并且识别 真正反映这些母体转子的CAFE(复杂心房/分级电图)的区域。