ISCHEMIA DETECTION USING A HEART SOUND SENSOR
    1.
    发明申请
    ISCHEMIA DETECTION USING A HEART SOUND SENSOR 有权
    使用心音传感器进行ISCHEMIA检测

    公开(公告)号:US20120004565A1

    公开(公告)日:2012-01-05

    申请号:US13231152

    申请日:2011-09-13

    IPC分类号: A61B5/02 A61B5/0205

    摘要: A system comprising an implantable medical device (IMD) includes an implantable heart sound sensor to produce an electrical signal representative of at least one heart sound. The heart sound is associated with mechanical activity of a patient's heart. Additionally, the IMD includes a heart sound sensor interface circuit coupled to the heart sound sensor to produce a heart sound signal, and a signal analyzer circuit coupled to the heart sound sensor interface circuit. The signal analyzer circuit measures a baseline heart sound signal, and deems that an ischemic event has occurred using, among other things, a measured subsequent change in the heart sound signal from the established baseline heart sound signal.

    摘要翻译: 包括可植入医疗装置(IMD)的系统包括可植入心音传感器,以产生代表至少一个心音的电信号。 心脏声音与患者心脏的机械活动有关。 另外,IMD包括耦合到心脏声音传感器以产生心脏声音信号的心脏声音传感器接口电路,以及耦合到心脏声音传感器接口电路的信号分析器电路。 信号分析器电路测量基线心音信号,并且认为已经发生了缺血事件,其中使用来自已建立的基线心音信号的心音信号的测量后续变化。

    Ischemia detection using a heart sound sensor
    2.
    发明授权
    Ischemia detection using a heart sound sensor 有权
    使用心脏声音传感器进行缺血检测

    公开(公告)号:US08758260B2

    公开(公告)日:2014-06-24

    申请号:US13231152

    申请日:2011-09-13

    IPC分类号: A61B5/04

    摘要: A system comprising an implantable medical device (IMD) includes an implantable heart sound sensor to produce an electrical signal representative of at least one heart sound. The heart sound is associated with mechanical activity of a patient's heart. Additionally, the IMD includes a heart sound sensor interface circuit coupled to the heart sound sensor to produce a heart sound signal, and a signal analyzer circuit coupled to the heart sound sensor interface circuit. The signal analyzer circuit measures a baseline heart sound signal, and deems that an ischemic event has occurred using, among other things, a measured subsequent change in the heart sound signal from the established baseline heart sound signal.

    摘要翻译: 包括可植入医疗装置(IMD)的系统包括可植入心音传感器,以产生代表至少一个心音的电信号。 心脏声音与患者心脏的机械活动有关。 另外,IMD包括耦合到心脏声音传感器以产生心脏声音信号的心脏声音传感器接口电路,以及耦合到心脏声音传感器接口电路的信号分析器电路。 信号分析器电路测量基线心音信号,并且认为已经发生了缺血事件,其中使用来自已建立的基线心音信号的心音信号的测量后续变化。