公开(公告)号：US5526111A

公开(公告)日：1996-06-11

申请号：US114897

申请日：1993-08-31

Applicant: Rick L. Collins ,  Martin T. Gerber ,  Zindel H. Heller ,  James L. Maxwell ,  Edna C. Probst ,  Loy M. Vail ,  Stefan Weinert ,  Morris J. Young

Inventor： Rick L. Collins ,  Martin T. Gerber ,  Zindel H. Heller ,  James L. Maxwell ,  Edna C. Probst ,  Loy M. Vail ,  Stefan Weinert ,  Morris J. Young

IPC: G01N33/86 ,  G01N33/49 ,  G06Q50/00 ,  G06F159/00

CPC classification number: G01N33/4905 ,  Y10S128/22

Abstract: A method for calculating a coagulation characteristic of a sample of blood, a blood fraction, or a control comprises generating an output signal indicative of coagulation of the sample, sampling the output signal at a sampling rate for a predetermined time to provide a plurality of sampled signal values, storing the sampled signal values, rectifying the stored sampled signal values to provide a plurality of envelope values, and storing the envelope values. The stored envelope values are examined in reverse time order to determine a slope of the envelope at each of the stored envelope values. All relative maxima in the stored envelope values are identified. A range of stored envelope values corresponding to each relative maximum is determined. The identified relative maxima are compared to locate an absolute maximum in the stored envelope values. The coagulation characteristic is then calculated from the stored envelope values within the predetermined range of envelope values corresponding to the absolute maximum.

Abstract translation: 用于计算血液，血液分数或对照样品的凝固特性的方法包括产生表示样品凝结的输出信号，以采样速率对输出信号进行采样预定时间以提供多个采样 信号值，存储采样的信号值，整理存储的采样信号值以提供多个包络值，以及存储包络值。 以反向时间顺序检查存储的包络值，以确定每个存储的包络值处的包络的斜率。 识别存储的包络值中的所有相对最大值。 确定对应于每个相对最大值的存储包络值的范围。 将所识别的相对最大值进行比较，以确定存储的包络值中的绝对最大值。 然后从对应于绝对最大值的包络值的预定范围内的存储的包络值计算凝结特性。