Systems and methods for multi-axis cardiac vibration measurements
    7.
    发明授权
    Systems and methods for multi-axis cardiac vibration measurements 有权
    用于多轴心脏振动测量的系统和方法

    公开(公告)号:US07424321B2

    公开(公告)日:2008-09-09

    申请号:US11135985

    申请日:2005-05-24

    IPC分类号: A61B5/04 A61B5/025 A61B5/0225

    CPC分类号: A61B7/00 A61N1/08

    摘要: A system to monitor heart sounds, such as to detect a worsening condition of heart failure decompensation. The system comprises a medical device that includes an implantable multi-axis heart sound sensor, operable to produce, for each of at least two nonparallel axes, an electrical signal representative of at least one heart sound, the heart sound associated with mechanical activity of a patient's heart. The device further includes a controller circuit coupled to the heart sound sensor. The controller circuit measures components of the heart sound that respectively correspond to each of the axes.

    摘要翻译: 监测心脏声音的系统,例如检测心力衰竭代偿失调的恶化情况。 该系统包括医疗装置,其包括可植入的多轴心音传感器,可操作以针对至少两个不平行的轴中的每一个产生代表至少一个心脏声音的电信号,所述心脏声音与 病人的心。 该装置还包括耦合到心脏声音传感器的控制器电路。 控制器电路测量分别对应于每个轴的心音的分量。

    Detection of Stenosis
    8.
    发明申请
    Detection of Stenosis 审中-公开
    狭窄检测

    公开(公告)号:US20080139951A1

    公开(公告)日:2008-06-12

    申请号:US11608578

    申请日:2006-12-08

    IPC分类号: A61B5/026 A61F2/82

    摘要: A system for detecting stenosis in a patient. The system includes an implantable sensing unit having a turbulence sensor and a communication device for transmitting a signal from the turbulence sensor. The system also includes a cardiac sensor for generating a signal corresponding to cardiac activity and a processing device configured to receive signals from the sensing unit and from the cardiac sensor. The processing device is configured to determine a time window corresponding to cardiac activity, to determine a turbulence level from the turbulence signal within the time window, and to detect the presence of stenosis from the turbulence level.

    摘要翻译: 一种用于检测患者狭窄的系统。 该系统包括具有湍流传感器的可植入感测单元和用于从湍流传感器发送信号的通信装置。 该系统还包括用于产生对应于心​​脏活动的信号的心脏传感器和被配置为从感测单元和心脏传感器接收信号的处理装置。 处理装置被配置为确定对应于心脏活动的时间窗口,以确定在时间窗口内的湍流信号的湍流水平,并且从湍流水平检测狭窄的存在。