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    • 9. 发明申请
    • SINGLE CHAMBER LEADLESS INTRA-CARDIAC MEDICAL DEVICE HAVING DUAL CHAMBER SENSING WITH SIGNAL DISCRIMINATION
    • 具有信号识别的双室感觉的单室无内科医疗设备
    • US20130138006A1
    • 2013-05-30
    • US13485534
    • 2012-05-31
    • Gene A. BornzinXiaoyi MinJohn W. PooreZoltan Somogyi
    • Gene A. BornzinXiaoyi MinJohn W. PooreZoltan Somogyi
    • A61B5/042
    • A61B5/042A61B5/6869A61N1/368A61N1/3756
    • A leadless intra-cardiac medical device (LIMD) includes multiple electrodes that allow for stimulation and sensing of the right ventricle (RV) and sensing of the right atrium (RA), even though it is entirely located in the RV. The LIMD includes a housing having a proximal end configured to engage local tissue in the local chamber and electrodes located at multiple locations along the housing. Sensing circuitry is configured to define a far field (FF) channel between a first combination of the electrodes to sense FF signals occurring in the adjacent chamber. The sensing circuitry is configured to define a near field (NF) channel between a second combination of the electrodes to sense NF signals occurring in the local chamber. A controller is configured to analyze the NF and FF signals to determine whether the NF and FF signals collectively indicate that a validated event of interest occurred in the adjacent chamber.
    • 无引线心脏内心脏医疗器械(LIMD)包括多个电极,即使完全位于RV中,也能够对右心室(RV)进行刺激和感测,并检测右心房(RA)。 LIMD包括壳体,其具有被配置为接合局部室中的局部组织的近端和位于沿壳体的多个位置处的电极。 感测电路被配置为在电极的第一组合之间定义远场(FF)通道,以感测在相邻室中发生的FF信号。 感测电路被配置为在电极的第二组合之间限定近场(NF)通道,以感测在局部室中发生的NF信号。 控制器被配置为分析NF和FF信号以确定NF和FF信号是否共同表示在邻近室中发生了有效的感兴趣事件。