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Apparatus and method for cleaning biological particle counting devices

A counting device, a technology for biological particles, applied in the directions of cleaning methods and utensils, chemical instruments and methods, cleaning hollow objects, etc., to avoid the effect of reducing accuracy

Active Publication Date: 2020-11-03
MACCURA MEDICAL INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is effective for the elimination of air bubbles in the piping system, but once the air bubbles entering the first pool and the second pool through the piping system or the air bubbles inside the first pool and the second pool are attached to the first pool and the second pool inner surface, it is difficult to effectively eliminate by this method

Method used

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  • Apparatus and method for cleaning biological particle counting devices

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Embodiment approach

[0050] According to one embodiment of the present invention, the cleaning method may include the following steps:

[0051] a) purging the biological particle counting device with compressed gas;

[0052] b) intermittently and slowly filling and flushing the first tank and the second tank of the biological particle counting device with a pressurized cleaning solution having a pressure of a first pressure value;

[0053] c) Filling and rinsing the first tank and the second tank with pressurized cleaning fluid at a pressure of a second pressure value (where the pressure value is greater than the first pressure value in step b).

[0054] According to one embodiment of the present invention, in step b), the pressurized cleaning solution is used to fill and flush the biological particle counting device at a flow rate of 0.5-1.0 mL / s, for example, the flow rate is 0.5 mL / s, 0.6 mL / s s, 0.65mL / s, 0.75mL / s, 0.8mL / s, 0.9mL / s, 1.0mL / s, etc.

[0055] According to one embodiment of the p...

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Abstract

The invention relates to the technical field of biological device cleaning, in particular to a piece of equipment and a method for cleaning a bio-particle counting device. The equipment comprises a compressed air storage container, a cleaning fluid storage container, a cleaning fluid buffer container, a waste fluid storage container, a first valve part, a second valve part, a third valve and a connecting pipeline.

Description

technical field [0001] The invention relates to the technical field of biological device cleaning, in particular to a device and method for cleaning a biological particle counting device. Background technique [0002] The counting device for biological particles (various cells, microorganisms, synthetic microspheres, etc.) is the core component of the blood analyzer, and is usually realized based on the electrical impedance method and the laser light scattering method. [0003] At present, the sheath current impedance counting device realized by the electrical impedance method mainly consists of the first cell shell, [0004] The second pool shell, the first pool end cover, the second pool end cover, the sample needle, the jewel hole, the connector, the signal acquisition and processing module, etc. are composed. The sheath flow impedance counting device will generate bubbles of different volumes in the pipeline system connected to the device, the first pool and the second ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B08B9/032B08B9/093
CPCB08B9/0321B08B9/0328B08B9/093
Inventor 王武林赵丙强刘远平褚聪
Owner MACCURA MEDICAL INSTR CO LTD