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    • 4. 发明申请
    • Pulse wave data analyzing method, system, and program product
    • 脉波数据分析方法,系统和程序产品
    • US20070123787A1
    • 2007-05-31
    • US11544050
    • 2006-10-05
    • Kazumi KitajimaYoshiroh NagaiMasatake FukunamiYasumasa Tsukamoto
    • Kazumi KitajimaYoshiroh NagaiMasatake FukunamiYasumasa Tsukamoto
    • A61B5/04
    • A61B5/02416A61B5/02438A61B5/0456G06F19/00
    • There is provided a pulse wave data analyzing method for extracting vital information out of pulse wave data concerning a living body. The method comprises a noise removal step of: detecting bottom values and peak values along a time axis in a time-series manner out of pulse wave data obtained by sequentially measuring a pulse wave of a subject for a predetermined period; making pairs with respect to the bottom values and the peak values adjacent to each other on the time axis to obtain bottom-to-peak amplitude values along the time axis, the bottom-to-peak amplitude value being a difference between the bottom value and the peak value in each of the pairs; and comparing each set of the two bottom-to-peak amplitude values adjacent to each other along the time axis to remove the bottom value and the peak value relating to the smaller bottom-to-peak amplitude value in the each set as a noise, if a ratio of the one of the two bottom-to-peak amplitude values to the other one of the two bottom-to-peak amplitude values is larger than a predetermined value.
    • 提供了一种用于从关于生物体的脉搏波数据中提取重要信息的脉搏波数据分析方法。 该方法包括:噪声消除步骤,用于以时间序列方式检测沿着时间轴的下降值和峰值,所述脉波数据通过在预定时间段内顺序测量被检者的脉搏波而获得; 在时间轴上相对于彼此相邻的底值和峰值进行配对,以沿着时间轴获得底对峰值振幅值,底峰值振幅值是底值和下限值之间的差, 每对中的峰值; 并且将沿着时间轴彼此相邻的两组底 - 峰振幅值的每一组进行比较以去除与每组中的较小的底 - 峰振幅值相关的底值和峰值作为噪声, 如果两个底峰值振幅值中的一个与两个底对峰值振幅值中的另一个的比率大于预定值。
    • 6. 发明授权
    • Vital information measuring device
    • 重要信息测量装置
    • US08195261B2
    • 2012-06-05
    • US11595704
    • 2006-11-10
    • Norihiro TatedaYoshiroh Nagai
    • Norihiro TatedaYoshiroh Nagai
    • A61B5/1455
    • A61B5/6826A61B5/02007A61B5/02125A61B5/14551A61B5/6838
    • A vital information measuring device includes: a first light emitter for outputting light having a first wavelength; a second light emitter for outputting light having a second wavelength different from the first wavelength; a light detector for detecting the light outputted from the first light emitter and the light outputted from the second light emitter; an emission controller for controlling the first light emitter and the second light emitter to emit the respective light at sampling frequencies different from each other a detection controller for controlling the light detector to detect the light from the first light emitter and the light from second light emitter in synchronism with the emission timing of the first light emitter and the emission timing of the second light emitter, respectively; and a storage for storing therein a light detection signal outputted from the light detector as measurement data.
    • 重要信息测量装置包括:用于输出具有第一波长的光的第一光发射器; 用于输出具有不同于第一波长的第二波长的光的第二光发射器; 用于检测从第一光发射器输出的光和从第二光发射器输出的光的光检测器; 用于控制第一光发射器和第二光发射器以彼此不同的采样频率发射各个光的发射控制器,用于控制光检测器以检测来自第一光发射器的光和来自第二发光器的光的检测控制器 分别与第一发光体的发射定时和第二发光体的发射定时同步; 以及用于存储从光检测器输出的光检测信号作为测量数据的存储器。
    • 10. 发明授权
    • Method, system and program product for analyzing pulse wave data
    • 用于分析脉波数据的方法,系统和程序产品
    • US08801621B2
    • 2014-08-12
    • US12079469
    • 2008-03-27
    • Kazumi KitajimaYoshiroh Nagai
    • Kazumi KitajimaYoshiroh Nagai
    • A61B5/02A61B5/00A61B5/021A61B5/024A61B5/0285
    • A61B5/02416A61B5/02116A61B5/0285A61B5/6826A61B5/6838A61B5/7203A61B5/7264
    • A pulse wave data analyzing method includes successively detecting bottom and top peak values of pulse wave data along a time axis, calculating successive bottom-to-top amplitude values along the time axis, and comparing first and second peak-to-peak amplitude values occurring in succession along the time axis. If the ratio of the second peak-to-peak amplitude value to the first peak-to-peak amplitude value is smaller than a preset threshold, the bottom and top peak values related to the second peak-to-peak amplitude value are classified as temporarily erased data. The second peak-to-peak amplitude value is compared with a third peak-to-peak amplitude value occurring immediately thereafter and, if the ratio between the second and third peak-to-peak amplitude values is larger than the threshold, the temporarily erased data is restored. If the ratio between the second and third peak-to-peak amplitude values is not larger than the threshold, the temporarily erased data is completely erased.
    • 脉波数据分析方法包括沿着时间轴连续地检测脉波数据的下降峰值和上峰值,计算沿着时间轴的连续的从下到上的振幅值,以及比较发生的第一和第二峰峰振幅值 沿着时间轴的顺序。 如果第二峰峰值振幅值与第一峰峰值振幅值的比值小于预设阈值,则与第二峰峰值振幅值相关的底峰值和顶峰值被分类为 暂时删除数据。 将第二峰峰值振幅值与立即出现的第三峰峰振幅值进行比较,如果第二峰值与第三峰峰值之间的比值大于阈值,则临时擦除 数据恢复。 如果第二和第三峰峰值之间的比值不大于阈值,则暂时擦除的数据被完全擦除。