Backwashing flow path system of glycated hemoglobin analyzer

A glycosylated hemoglobin and analyzer technology, applied in the field of medical equipment, can solve the problems of unguaranteed detection process reliability, cumbersome operation and high maintenance cost, and achieve the effects of simple operation and maintenance, improved reliability and low cost

Inactive Publication Date: 2013-02-27
JIANGSU AUDICOM MEDICAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the actual use process, the method of constantly replacing the sieve plate filter is generally adopted to reduce the occurrence of clogging, or directly replace the new chromatography column, which is not only cumbersome to operate, high in maintenance costs, but also unreliable in the detection process. to guarantee

Method used

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  • Backwashing flow path system of glycated hemoglobin analyzer
  • Backwashing flow path system of glycated hemoglobin analyzer

Examples

Experimental program
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Embodiment Construction

[0009] Such as figure 1 As shown, when the backflushing flow system of the glycosylated hemoglobin analyzer is normally fed in forward direction (clinical sample addition and gradient elution separation), the liquid outlet of the peristaltic pump 2 on the liquid inlet line 1 passes through the first The electromagnetic valve 3, the cation exchange resin chromatography column 4, the colorimetric cell 5, and the second electromagnetic valve 6 lead to the waste liquid bottle 8 through the drain pipe 7.

[0010] Such as figure 2 As shown, after each forward liquid inlet, the first and second solenoid valves are closed, and the liquid outlet of the peristaltic pump 2 passes through the third solenoid valve 9, the colorimetric cell 5 (from the outlet to the inlet), the cation exchange resin The chromatographic column 4 (from the outlet to the inlet), the fourth solenoid valve 10, and the waste liquid bottle 8 through the drain pipe 7 complete the backwashing process.

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Abstract

The invention belongs to medical equipment, relates to a flow path structure of a glycated hemoglobin analyzer, in particular to a backwashing flow path structure of a glycated hemoglobin analyzer. The backwashing flow path system of the glycated hemoglobin analyzer comprises a peristaltic pump positioned on a liquid feeding pipeline, wherein a liquid discharging hole of the peristaltic pump is introduced into a waste liquid bottle through a liquid discharging pipe after sequentially passing through a first electromagnetic valve, a cation exchange resin chromatographic column, a cuvette cell and a second electromagnetic valve; and a third electromagnetic valve is connected between the liquid discharging hole of the peristaltic pump and an outlet of the cuvette cell, and a branching pipeline is arranged in front of the inlet end of the cation exchange resin chromatographic column and is connected with the liquid discharging pipeline through a fourth electromagnetic pipeline. The invention has the advantages of being capable of avoiding aggregation and blockage of floccules in a detected sample at the chromatographic column and a filter screen of the glycated hemoglobin analyzer, prolonging the service life of the chromatographic column, improving reliability of a detection process, and being convenient for operation and maintenance and low in cost.

Description

technical field [0001] The invention belongs to medical equipment, and relates to a flow path structure of a glycated hemoglobin analyzer, in particular to a backwashing flow path system of a glycated hemoglobin analyzer. Background technique [0002] When ion exchange chromatography is used to separate glycated hemoglobin in clinical whole blood samples, the sample needs to be transported to the chromatography column filled with cation exchange resin through the function of peristaltic pump, and then the eluent with different ion concentrations is injected. Different glycated hemoglobin subcomponents in the sample adsorbed on the resin are separated by gradient elution, and then chromatographic detection and analysis is carried out through a colorimetric cell. [0003] Because clinical whole blood samples will contain a small amount of flocs such as cell membranes and clots in practical applications, as the number of sample analyzes increases, these flocs will gradually ent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N30/02
Inventor 庄东宁
Owner JIANGSU AUDICOM MEDICAL TECH
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