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Fully automatic biochemical analyzer with gas jetting device and fully automatic biochemical analysis method

A technology of biochemical analyzer and air jet device, which is applied in the field of medical inspection and detection, can solve problems such as cross-contamination and error of test results, and achieve the effects of ensuring the working speed of the instrument, reducing carryover pollution, and fully and effectively removing

Inactive Publication Date: 2017-04-26
CLINDIAG SYSTEMS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the residual liquid cannot be removed in time, the reagent needle will bring part of the residual liquid into the next reagent bottle when drawing the reagent, or the sample needle will bring the residual liquid into the sample cup, resulting in changes in reagent, sample composition and concentration , leading to errors in test results and cross-contamination

Method used

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  • Fully automatic biochemical analyzer with gas jetting device and fully automatic biochemical analysis method
  • Fully automatic biochemical analyzer with gas jetting device and fully automatic biochemical analysis method
  • Fully automatic biochemical analyzer with gas jetting device and fully automatic biochemical analysis method

Examples

Experimental program
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Effect test

Embodiment 1

[0080] combine figure 1 , a fully automatic biochemical analyzer with an air jet device, the instrument includes a reagent plate 1, a reagent bottle 1-1, a reaction plate 5, a detection cup, a stirring unit 2F, a sample plate 3A, a sample cup 3-1, a detection cup cleaning Unit 2B, reagent needle moving arm 2A and loaded reagent needle, sample needle moving arm 2C and loaded sample needle, optical detection unit, first air injection device and second air injection device;

[0081] The reagent tray 1 is used to place reagents, the sample tray 3A is used to place samples, the periphery of the reaction tray 5 is provided with evenly distributed detection cup positions for placing detection cups, and the stirring unit 2F is used to place the detection cups The liquid in the test cup is stirred evenly, the optical detection unit is used to detect the liquid in the test cup, the test cup cleaning unit 2B is used to clean the test cup, and the reagent needle moving arm 2A is used to d...

Embodiment 2

[0090] combine Figure 4 , a fully automatic biochemical analyzer with an air jet device, the instrument includes a reagent plate 1, a reagent bottle 1-1, a reaction plate 5, a detection cup, a stirring unit 2F, a sample plate 3A, a sample cup 3-1, a detection cup cleaning Unit 2B, reagent needle moving arm 2A and the loaded reagent needle, sample needle moving arm 2C and the loaded sample needle, optical detection unit, the third air injection device fixedly arranged on the reagent tray taking the reagent position, fixedly arranged on the sample tray The fourth air injection device at the sampling position and the fifth air injection device fixed at the cleaning position;

[0091] Such as Figure 5-1 , 5-2 , Figure 6-1 , 6-2As shown, the air injection port 18 of the third air injection device and the air injection port 19 of the fourth air injection device are respectively arranged at the reagent position and the sample position, and are respectively used for the reagent...

Embodiment 3

[0093] A fully automatic biochemical analyzer with an air jet device, the instrument includes a reagent plate 1, a reagent bottle 1-1, a reaction plate 5, a detection cup, a stirring unit 2F, a sample plate 3A, a sample cup 3-1, and a detection cup cleaning unit 2B, the reagent needle moving arm 2A and the loaded reagent needle, the sample needle moving arm 2C and the loaded sample needle, the optical detection unit and the sixth air injection device arranged at the cleaning position;

[0094] combine Figure 3-1 and Figure 3-2 In this embodiment, the cleaning position is provided with a water cleaning head 14, and the water cleaning head 14 is used to spray clean water to clean the outside of the reagent needle and the sample needle moved to the cleaning position after the work is completed. , the air spray head 15 of the sixth air spray device sprays dry gas on the outer wall of the needle, blows off the accumulated water on the surface of the needle, and prevents water dr...

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PUM

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Abstract

The invention discloses a fully automatic biochemical analyzer with a gas jetting device and a fully automatic biochemical analysis method. The analyzer comprises a reagent disc, a reaction disc, a detection cup, a stirring unit, a sample tray, a detection cup cleaning unit, an optical detection unit, a reagent needle moving arm, a sample needle moving arm and a gas jetting device, the reagent needle moving arm is used for driving a reagent needle to move between a reagent bottle and the detecting cup, the sample needle moving arm is used for driving a sample needle to move between the sample cup and the detecting cup, the gas jetting device comprises an air pump, a gas jetting port and a connection pipe, the air pump is used for producing a gas flow, the gas jetting port points to the tip parts of the reagent needle and the sample needle, and the jetted gas is used for cleaning the residual liquid on the outer surfaces of tips of the needles. The jetted high-rate gas removes the residual liquid on the outer surfaces of the reagent needle and the sample needle so that needle outer surface residual liquid-caused cross contamination is reduced and detection result accuracy is improved.

Description

technical field [0001] The invention belongs to the technical field of medical examination and detection, in particular to a fully automatic biochemical analyzer with an air jet device and a method thereof. Background technique [0002] At present, automatic biochemical analyzers for medical testing generally use shared reagent needles and sample needles to absorb and distribute reagents and samples, that is, shared reagent needles and shared sample needles are used to absorb different reagents and samples during instrument testing. [0003] During the instrument detection process, the reagent needle will be cleaned after each reagent is drawn, and then the reagent of the next item will be drawn immediately. However, due to the fast running speed of the instrument, some reagents, samples and cleaning water and other liquids often remain on the outer surface of the needle after the reagent needle and the sample needle absorb the sample and reagent, and after cleaning. If the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N35/02B08B9/32
CPCG01N35/025B08B9/32
Inventor 徐新宋成桥张陆军缪建潘有铭纪本奎郭敏
Owner CLINDIAG SYSTEMS CO LTD
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