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    • 8. 发明授权
    • Method and apparatus for coagulation based assays
    • 用于基于凝固的测定法
    • US06451610B1
    • 2002-09-17
    • US09291776
    • 1999-04-14
    • Anne Jessica GormanRobert SamoJohn Gorman
    • Anne Jessica GormanRobert SamoJohn Gorman
    • G01N3386
    • G01N33/5302G01N33/86
    • An activated partial thromboplastin time (APTT) test is described which employs fresh, whole blood that has not been anticoagulated. The method employs a disposable cuvette having specific reagents placed therein. A sample of whole blood is introduced into the cuvette which is drawn into at least one conduit by a pneumatic pump. Initially, the calcium in the sample is chelated at a first reaction site in the conduit, and thereafter is moved through the conduit to a second reaction site where the sample is coagulated by an APTT reagent. After a predetermined incubation time, the sample is moved to a third reaction site where it is recalcified. Clotting time is measured from the time that the sample is recalcified to the time that clot formation is visibly detected.
    • 描述了激活的部分凝血活酶时间(APTT)测试,其使用尚未抗凝的新鲜全血。 该方法采用在其中放置特定试剂的一次性比色皿。 将全血样品引入比色皿中,该比色皿通过气动泵吸入至少一个导管中。 最初,样品中的钙在导管中的第一个反应部位被螯合,然后通过导管移动到第二个反应部位,在该第二个反应部位,样品被APTT试剂凝结。 在预定的孵育时间之后,将样品移至第三反应部位,在此其再次被煅烧。 凝固时间是从样品再次煅烧的时间到可见的凝块形成时间来测量的。