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    • 3. 发明授权
    • Method and apparatus for determining the erythrocyte sedimentation rate
    • 测定红细胞沉降率的方法和装置
    • US5745227A
    • 1998-04-28
    • US670475
    • 1996-06-26
    • Christopher DufresneGeorges BonnevialJean Emin
    • Christopher DufresneGeorges BonnevialJean Emin
    • G01N33/49G01N15/05
    • G01N15/05
    • In an improved method for measuring the erythrocyte sedimentation rate (ESR) a pre-evacuated test tube (T) is used to collect a blood specimen. The tube (T) is made of a material such as glass or plastics and contains an anticoagulant/mixing agent. For testing, the tube (T) is put into a rack (1) and loaded into an instrument which mixes the specimen briefly. An optical sensor (3) is used to record the location of the blood/air meniscus at initial time. At subsequent time intervals thereafter for periods up to 20 minutes or less, the optical sensor (3) identifies and measures the location of the cell/plasma interface (I) within an observation window constituting a minor portion of the overall length of the tube (T). The measured value is then converted by an algorithm (10, 11) to the value which would be obtained using the classical Westergren method.
    • 在用于测量红细胞沉降速率(ESR)的改进方法中,使用预抽空的试管(T)来收集血液样本。 管(T)由玻璃或塑料等材料制成,并含有抗凝剂/混合剂。 对于测试,将管(T)放入一个机架(1)并装入一个短暂混合样品的仪器中。 光学传感器(3)用于在初始时刻记录血液/空气弯月面的位置。 在随后的时间间隔之后的时间长达20分钟或更短时间内,光学传感器(3)识别并测量构成管子整个长度的较小部分的观察窗内的电池/等离子体界面(I)的位置( T)。 然后将测量值通过算法(10,11)转换为将使用经典的Westergren方法获得的值。