Analyzer and analyzing method

An analyzer and a technology for classifying results, which is applied in the field of blood analyzers and blood analysis, and can solve problems such as sufficient hemolysis of red blood cells

Active Publication Date: 2008-01-02
SYSMEX CORP
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  • Abstract
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Problems solved by technology

[0007] In addition, if the membrane resistance of red blood cells is high, poor hemolysis may occur in which the red blood cells cannot be fully hemolyzed by the hemolytic agent

Method used

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Embodiment Construction

[0034] The preferred embodiments of the present invention will be described below according to the accompanying drawings.

[0035] FIG. 1 shows a blood analyzer 1 . This analyzer 1 is a multi-item automatic blood cell analyzer for blood tests, and can measure blood samples in sample containers (blood collection tubes) and analyze the measurement results.

[0036] The analyzer 1 has a measurement unit 2 that can measure blood as a sample, and a data processing unit 3 that analyzes the measurement results output from the measurement unit 2 and obtains the analysis results.

[0037] In addition, the measurement unit 2 and the data processing unit 3 in FIG. 1 are two different instruments, and may also be integrated.

[0038] In addition to classifying and counting white blood cells, the analyzer 1 can also classify and count other blood cells. The white blood cells will be mainly described below.

[0039] FIG. 2 shows a block diagram of the assay unit 2 of the analyzer 1 . As ...

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Abstract

The present invention is to present a blood analyzer which can prevent an abnormal number of white blood cells caused by the lipid particles or the red blood cells of poor hemolysis from being output. The blood analyzer comprises: first white blood cell number obtaining means; second white blood cell number obtaining means; output means for outputting the number of the white blood cells obtained by the second white blood cell number obtaining means, and determining means for determining whether the number of the white blood cells obtained by the second white blood cell number obtaining means is abnormal, wherein the output means is configured to output the number of the white blood cells obtained by the first white blood cell number obtaining means when the determining means determines that the number of the white blood cells obtained by the second white blood cell number obtaining means is abnormal.

Description

Technical field: [0001] The invention relates to a blood analyzer and a blood analysis method. Background technique: [0002] The blood analyzer draws blood from a blood collection tube, and mixes the drawn blood (sample) with a reagent such as a hemolytic agent to prepare a measurement sample. The blood analyzer measures the measurement sample, analyzes the measured measurement results, and acquires analysis results such as the number of blood cells. [0003] For example, in the detection of white blood cells by a method called flow cytometry, a diluted blood sample is sent to an optical detection unit (flow cell) while red blood cells are hemolyzed by a hemolyzing agent. [0004] In the optical detection unit, blood cells are irradiated with laser light. The blood analyzer generates a two-dimensional distribution diagram (scatter diagram) of particles based on forward scattered light and side scattered light obtained by laser irradiation. [0005] US Patent No. 6979570 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/14G01N33/49
CPCG01N33/56972Y10T436/101666G01N2015/1486Y10T436/10G01N33/5094G01N2015/1497G01N2015/008
Inventor 内桥欣也池内喜郎成定宪志
Owner SYSMEX CORP
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