Implantable apparatus for the early diagnosis and suppression of
tachycardia in the heart
    41.
    发明授权
    Implantable apparatus for the early diagnosis and suppression of tachycardia in the heart 失效
    用于早期诊断和抑制心脏心动过速的植入式装置

    公开(公告)号:US5871511A

    公开(公告)日:1999-02-16

    申请号:US929085

    申请日:1997-09-15

    IPC分类号: A61N1/362 A61N1/365

    CPC分类号: A61N1/3622

    摘要: An implantable apparatus for the early diagnosis of tachycardia in the heart is provided witha microelectrode array, which is in contact with the cardiac muscle tissue, for detecting stimulus conduction potentials in the cardiac muscle tissue,a measuring device, which is in connection with the microelectrode array, for determining the refractory time of the cardiac muscle cells in the monitored cardiac region,a measuring device, which is in connection with the microelectrode array, for determining the stimulus conduction velocity in the monitored cardiac muscle region,a computing device for determining the product value of the refractory time and the stimulus conduction velocity,a comparator for comparing the product value with a tachycardia threshold, any falling short of the tachycardia threshold signaling a condition of the heart in risk of tachycardia,a stimulation arrangement for generating antitachycardia stimulation upon detection of a condition of risk of tachycardia in particular via the microelectrode array, anda control unit for controlling the measuring and evaluation processes within the apparatus.

    摘要翻译: 用于早期诊断心脏中心动过速的可植入装置设置有与心肌组织接触的微电极阵列,用于检测心肌组织中的刺激传导电位,测量装置与 微电极阵列,用于确定监测的心脏区域中的心肌细胞的难治时间,与微电极阵列相关的测量装置,用于确定所监测的心肌区域中的刺激传导速度;计算装置,用于确定 难治时间和刺激传导速度的乘积值,用于将产品值与心动过速阈值进行比较的比较器,任何低于心动过速阈值的下降信号,表示心脏在心动过速风险中的状况,用于产生抗心动过速刺激的刺激装置 在检测到p的心动过速的风险的情况下 通过微电极阵列关联,以及用于控制装置内的测量和评估过程的控制单元。