利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

4 条记录 (耗时 0.014 秒)

    System and method for detecting and locating heart disease
    1.
    发明授权
    System and method for detecting and locating heart disease 有权
    检测和定位心脏病的系统和方法

    公开(公告)号：US06936010B2

    公开(公告)日：2005-08-30

    申请号：US10652009

    申请日：2003-08-28

    申请人： Dan Qun Fang ,  Hai Xiang Liu

    发明人： Dan Qun Fang ,  Hai Xiang Liu

    IPC分类号： A61B5/0452 ,  A61B5/0428 ,  G06F17/00 ,  A61B5/0402

    CPC分类号： A61B5/0452 ,  A61B5/04286 ,  A61B5/044

    摘要： A method is delineated for detecting and locating coronary artery and heart disease comprising the steps of obtaining electrocardiograph (EKG) signals from a patient, modifying the EKG signals, and establishing a base value for use in evaluating modified EKG signals. The step of modifying includes the steps of amplifying the EKG signals, digitizing amplified EKG signals, mathematically modifying the amplified and digitized EKG signals to obtain 12 lead signals in the time domain, and converting the 12 lead signals into power spectrum signals in the frequency domain. The base value is obtained by taking a patient's resting heart rate in beats per minute, converting it to beats per second, and multiplying by a scaling quantity between approximately 3 and 7, inclusively. Then, a first area is calculated by integrating a selected one of the power spectrum signals from zero Hertz to the base value. Similarly, a second area results from integrating the selected power spectrum signal from the base value to infinity. Then, one takes the ratio of the first to second areas to obtain an evaluation standard indicative of the patient's coronary health. Peak analysis of the power spectrum signals is also available, and a scheme for locating detected heart disease is also provided. Lastly, a system corresponding to the aforementioned methodology is shown.

    摘要翻译： 描述了用于检测和定位冠状动脉和心脏病的方法，其包括从患者获得心电图仪（EKG）信号，修改EKG信号以及建立用于评估修改的EKG信号的基值的步骤。 修改步骤包括放大EKG信号，数字化放大的EKG信号，数学修改放大和数字化EKG信号以在时域中获得12个引导信号并将12个引导信号转换成频域中的功率谱信号的步骤 。 通过以每分钟的节拍取患者的静息心率，将其转换为每秒钟数，并且包括大约3到7之间的缩放量乘以基础值。 然后，通过将来自零赫兹的功率谱信号中选择的一个与基准值进行积分来计算第一区域。 类似地，第二区域是将所选择的功率谱信号从基值积分到无穷大。 然后，以第一区域与第二区域的比率为准，得到表示患者冠状动脉健康状况的评价标准。 还提供了功率谱信号的峰值分析，并且还提供了用于定位检测到的心脏病的方案。 最后，示出了与上述方法对应的系统。

    System and method for detecting and locating heart disease
    2.
    发明授权
    System and method for detecting and locating heart disease 失效
    检测和定位心脏病的系统和方法

    公开(公告)号：US06638232B1

    公开(公告)日：2003-10-28

    申请号：US09712702

    申请日：2000-11-13

    申请人： Dan Qun Fang ,  Hai Xiang Liu

    发明人： Dan Qun Fang ,  Hai Xiang Liu

    IPC分类号： A61B50402

    CPC分类号： A61B5/0452 ,  A61B5/04286 ,  A61B5/044

    摘要： A method is delineated for detecting and locating coronary artery and heart disease comprising the steps of obtaining electrocardiograph (EKG) signals from a patient, modifying the EKG signals, and establishing a base value for use in evaluating modified EKG signals. The step of modifying includes the steps of amplifying the EKG signals, digitizing amplified EKG signals, mathematically modifying the amplified and digitized EKG signals to obtain 12 lead signals in the time domain, and converting the 12 lead signals into power spectrum signals in the frequency domain. The base value is obtained by taking a patient's resting heart rate in beats per minute, converting it to beats per second, and multiplying by a scaling quantity between approximately 3 and 7, inclusively. Then, a first area is calculated by integrating a selected one of the power spectrum signals from zero Hertz to the base value. Similarly, a second area results from integrating the selected power spectrum signal from the base value to infinity. Then, one takes the ratio of the first to second areas to obtain an evaluation standard indicative of the patient's coronary health. Peak analysis of the power spectrum signals is also available, and a scheme for locating detected heart disease is also provided. Lastly, a system corresponding to the aforementioned methodology is shown.

    摘要翻译： 描述了用于检测和定位冠状动脉和心脏病的方法，其包括从患者获得心电图仪（EKG）信号，修改EKG信号以及建立用于评估修改的EKG信号的基值的步骤。 修改步骤包括放大EKG信号，数字化放大的EKG信号，数学修改放大和数字化EKG信号以在时域中获得12个引导信号并将12个引导信号转换成频域中的功率谱信号的步骤 。 通过以每分钟的节拍取患者的静息心率，将其转换为每秒钟数，并且包括大约3到7之间的缩放量乘以基础值。 然后，通过将来自零赫兹的功率谱信号中选择的一个与基准值进行积分来计算第一区域。 类似地，第二区域是将所选择的功率谱信号从基值积分到无穷大。 然后，以第一区域与第二区域的比率为准，得到表示患者冠状动脉健康状况的评价标准。 还提供了功率谱信号的峰值分析，并且还提供了用于定位检测到的心脏病的方案。 最后，示出了与上述方法对应的系统。