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    • 7. 发明授权
    • Method and system for measuring blood coagulation time
    • 血液凝固时间测定方法及系统
    • US4252536A
    • 1981-02-24
    • US957927
    • 1978-11-06
    • Shinichi KishimotoMasahiro Yoshioka
    • Shinichi KishimotoMasahiro Yoshioka
    • G01N21/51C12Q1/56G01N11/00G01N21/27G01N21/47G01N33/49G01N33/86
    • G01N33/4905G01N21/272
    • A blood coagulation time measuring method comprising irradiating a mixture of blood plasma and reagent with a beam of specified amount of light, detecting changes in the amount of light scattered by the mixture, converting the resulting scattered light output signals to digital form at specified time interval, feeding the digital data to a computer, computing the difference between each input value and the input value immediately adjacent thereto with respect to time and storing the results, and determining the time, prior to the time at which a maximum difference value is obtained, at which a computed difference value corresponding to 1/n of the maximum difference value is obtained. The time thus determined is the end point of the coagulation time. A system for practicing this method is also disclosed.
    • 一种凝血时间测定方法,其特征在于,使用规定量的光照射血浆和试剂的混合物,检测混合物散射的光的变化,将所得到的散射光输出信号以指定的时间间隔 将数字数据馈送到计算机,计算每个输入值和与其相邻的时间相对于其的输入值之间的差异并存储结果,并且确定在获得最大差值之前的时间, 其中获得对应于最大差值的1 / n的计算差值。 这样确定的时间是凝结时间的终点。 还公开了一种用于实施该方法的系统。