Method, device and system for measuring coagulation time
A technology of coagulation time and measurement method, which is applied in the field of coagulation analysis experiments and can solve the problems of inaccurate measurement results and the like
Active Publication Date: 2020-05-08
MACCURA MEDICAL INSTR CO LTD
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[0004] In view of this, the present invention provides a method for measuring coagulation time, which can effectively solve the problem of inaccurate measurement results during coagulation measurement. The present invention also provides a device for measuring coagulation time and a coagulation time measurement device. Measurement system
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Embodiment 5
[0099] In Embodiment 5, the first acquisition unit 103 may include an acquisition module, a comparison module, and a recording module, the acquisition module is used to acquire signal values, and the comparison module is used to compare two adjacent signal value indications acquired within the first preset time The amplitude value of the steel ball, the recording module records the signal value indicating the larger amplitude value of the steel ball among the signal values acquired twice adjacently, and the comparison module updates the recorded signal value according to the comparison result of the comparison module every time the comparison module compares it. Finally, the signal value recorded by the recording module is the reference signal value.
[0100] In the above device, the timing unit 102 is further configured to stop the coagulation detection timing in response to the second control signal. That is, if the comparison result shows that the steel ball amplitude val...
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The invention discloses a clotting time determination method, a clotting time determination device and a clotting time determination system. In the clotting time determination method, a steel ball amplitude value indicated by a currently acquired signal value is always compared with a steel ball amplitude value indicated by a reference signal value, and the steel ball amplitude value indicated bythe currently acquired signal value is always compared with a steel ball amplitude value indicated by a preset signal value; if the steel ball amplitude value indicated by the currently acquired signal value is greater than the steel ball amplitude value indicated by the reference signal value, then the currently acquired signal value is used for updating the reference signal value; and if the steel ball amplitude value indicated by the currently acquired signal value is less than the steel ball amplitude value indicated by the preset signal value, clotting detection timing is stopped. The clotting time determination method can effectively solve the problem that a determination result of clotting determination is inaccurate.
Description
technical field [0001] The invention relates to the technical field of blood coagulation analysis experiments, and more specifically, to a method, device and system for measuring blood coagulation time. Background technique [0002] At present, the steel ball method is generally used for the determination of coagulation time. During measurement, drive coils and detection coils are respectively arranged on both sides of the test cup, wherein the drive coils are used to generate a constant alternating magnetic field to make the steel balls in the test cup swing, and the detection coils are used to generate signals indicating the amplitude of the steel balls. Add the coagulation activator to the blood in the test cup and start timing. As the fibrin in the blood increases, the blood viscosity increases, causing the amplitude of the steel ball to gradually decrease until the amplitude of the steel ball indicated by the signal value generated by the detection coil is lower than th...
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IPC IPC(8): G01N33/86
CPCG01N33/86
Inventor 吴小虎严梵
Owner MACCURA MEDICAL INSTR CO LTD