Detection method of sample analyzer and sample analyzer
A sample analyzer and detection method technology, applied in the direction of analyzing materials, individual particle analysis, particle and sedimentation analysis, etc., to achieve the effect of low hardware requirements, reduce production costs, and improve accuracy
Active Publication Date: 2022-06-10
SHENZHEN DYMIND BIOTECH
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[0004] This application provides a detection method of a sample analyzer and a sample analyzer to solve the problem that in the prior art, the theoretical sample statistics cannot truly reflect the current testing process Real sample statistics, resulting in technical problems with low accuracy of test results
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[0023] When the sample to be tested is measured, a predetermined mapping relationship is obtained. The mapping relationship includes: the corresponding relationship between the pressure value in the waste liquid pool 12 and the flow rate value in the detection pool 11 . For example, when the pressure value in the waste liquid pool 12 is A Pascal, the flow rate value in the detection pool 11 is A'; when the pressure value in the waste liquid pool 12 is B Pascal, the flow rate value in the detection pool 11 is B '. That is to say, each pressure value in the waste liquid pool 12 can find the corresponding flow value in the detection pool 11 in the mapping relationship. Wherein, the flow value in the detection pool 11 represents the flow rate of the detected sample to be tested discharged from the detection pool 11 to the waste liquid pool 12 .
[0024] For example, the detection pool 11 may include a counting pool (not shown in the figure), in which there is a gemstone hole, an...
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The invention provides a detection method of a sample analyzer and the sample analyzer. The detection method is applied to the sample analyzer, specifically, the sample analyzer comprises a detection pool and a waste liquid pool communicated with the detection pool, the waste liquid pool is used for collecting a detected to-be-detected sample discharged from the detection pool when the to-be-detected sample is detected, and the detection method comprises the following steps: obtaining a mapping relation, the mapping relation comprises a corresponding relation between the pressure value in the waste liquid pool and the flow value in the detection pool; when the to-be-detected sample is detected, acquiring a pressure value in the waste liquid pool; based on the pressure value in the waste liquid pool and the mapping relation, obtaining a flow value in the detection pool corresponding to the pressure value; and detecting and analyzing the to-be-detected sample based on the flow value in the detection pool to obtain a detection result. The detection method of the sample analyzer is simple, the hardware cost of the sample analyzer can be saved, and the accuracy of sample detection can be improved.
Description
technical field [0001] The present application relates to the field of medical equipment, in particular to a detection method of a sample analyzer and the sample analyzer. Background technique [0002] A hematology analyzer is a device that can count and classify cells in blood. For white blood cells, impedance and flow fluorescence are commonly used for detection. For red blood cells and PLT, common impedance and sheath flow impedance are commonly used for detection. [0003] In the prior art, when the sample analyzer performs ordinary impedance detection on the sample, an algorithm calculates the test result through theoretical sample statistics. However, the sample statistics will be affected by factors such as the size and stability of the pressure source during the testing process of the instrument, so there are differences between the real sample statistics and the theoretical sample statistics, that is, the theoretical sample statistics cannot truly reflect the curren...
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IPC IPC(8): G01N15/10
CPCG01N15/10G01N15/1031G01N2015/1006
Inventor 刘俊龙褚聪池书锐
Owner SHENZHEN DYMIND BIOTECH