Augmentation-index measuring apparatus
    11.
    发明授权
    Augmentation-index measuring apparatus 有权
    增强指数测量仪

    公开(公告)号:US06659958B2

    公开(公告)日:2003-12-09

    申请号:US10352230

    申请日:2003-01-28

    IPC分类号: A61B500

    摘要: An augmentation-index measuring apparatus including a cuff which is adapted to be worn on a portion of a living subject to press the portion, a fourth-order-differentiating device for subjecting a cuff pulse wave obtained from the cuff, to a fourth-order differentiation, and thereby obtaining a fourth-order-differentiated waveform, a peak-point determining device for determining, based on the fourth-order-differentiated waveform obtained by the fourth-order-differentiating device, a peak point of an incident-wave component contained in the cuff pulse wave and a peak point of a reflected-wave component contained in the cuff pulse wave, and an augmentation-index determining device for determining an augmentation index of the subject that indicates a proportion of one of a first magnitude of the cuff pulse wave at a time of occurrence of the peak point of the incident-wave component and a second magnitude of the cuff pulse wave at a time of occurrence of the peak point of the reflected-wave component, to the other of the first and second magnitudes.

    摘要翻译: 一种增强指数测量装置,包括适于佩戴在活体的一部分以按压该部分的袖带,用于使从袖带获得的袖带脉搏波的四阶微分装置为四阶 微分,从而获得四阶微分波形;峰值确定装置,用于基于由四阶微分装置获得的四阶微分波形确定入射波分量的峰值点 包含在袖带脉波中的包含在袖带脉波中的反射波分量的峰值点的增强指数确定装置,以及用于确定对象的增强指数的增强指数确定装置,该增强指数确定装置指示对象的第一大小 入射波分量的峰值点出现时的袖带脉波,以及反射波峰出现时袖带脉波的第二幅度 ve分量,到第一和第二大小的另一个。

    Filter for use with pulse-wave sensor and pulse wave analyzing apparatus
    12.
    发明授权
    Filter for use with pulse-wave sensor and pulse wave analyzing apparatus 失效
    滤波器用于脉波传感器和脉波分析仪

    公开(公告)号:US07097621B2

    公开(公告)日:2006-08-29

    申请号:US10760582

    申请日:2004-01-21

    IPC分类号: A61B5/00

    CPC分类号: A61B5/0285 A61B5/022

    摘要: A pulse wave analyzing apparatus including a cuff 12 for detecting a pulse wave from a living subject, a pressure sensor 16 for converting the pulse wave detected by the cuff 12, into an electric signal, i.e., a pulse wave signal SM, a plurality of band-pass filters 62 (BPF(1), BPF(2), . . . , BPF(n)) that have respective low-side cuff-off frequency bands differing from each other and each receive the pulse wave signal SM, a provisional rising point determining device 64 for determining respective times PS of respective provisional rising points of respective pulse waves represented by respective secondary pulse wave signals SM2 that have passed through the band-pass filters 62, and a proper rising point determining device 66 for comparing the respective times PS of respective provisional rising points with each other and thereby determining a time AS of a proper rising point based on the respective times PS of respective provisional rising points.

    摘要翻译: 一种脉波分析装置,包括用于检测来自活体的脉搏波的袖带12,将由袖带12检测出的脉搏波转换成电信号的压力传感器16,即脉波信号SM,多个 带通滤波器62(BPF(1),BPF(2),...,BPF(n)),它们各自具有彼此不同的低侧克隆截止频带,并且各自接收脉波信号SM,a 临时上升点确定装置64,用于确定由通过带通滤波器62的各个辅助脉冲波信号SM 2表示的各个脉搏波的各个临时上升点的各个时间PS,以及用于比较的适当的上升点确定装置66 相应的临时上升点的时间PS,从而基于各个临时上升点的各个时间PS来确定适当上升点的时间AS。