LIQUID MICRO-FLOW CONTROL SYSTEM AND METHOD, AND MICROFLUIDIC TEST DEVICE

WIPO Patent Application WO/2023/138102

A1

The present invention relates to the technical field of biological fluid testing and analysis. Disclosed are a liquid micro-flow control system and method, and a microfluidic test device. The system comprises: an air compressor, an air pressure controller and a gas flow controller, wherein the air compressor is in communication with a liquid reservoir, which is used for storing a liquid to be treated, by means of a first gas delivery pipeline; the air compressor is sequentially in communication with the air pressure controller, the gas flow controller and the liquid reservoir in series by means of a second gas delivery pipeline; the air pressure controller is in communication with the liquid reservoir by means of a third gas delivery pipeline; control valves are provided on the first gas delivery pipeline, the third gas delivery pipeline, and the section of the second gas delivery pipeline between the air pressure controller and the gas flow controller; and the air compressor, the air pressure controller, the gas flow controller and the control valves are in signal connection with a control device. The present invention achieves precise liquid micro-flow control in a non-contact manner.

ZHENG ZHIWEI (CN)
LIN GANG (CN)
HE JIANFEI (CN)
ZHANG LONGYONG (CN)
LIN SIWU (CN)
CHEN TAO (CN)
LIN ERIC (CN)

PCT/CN2022/123310

July 27, 2023

September 30, 2022

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SUZHOU LABYRINTH BIOTECH CO LTD (CN)
SHENZHEN LABYRINTH BIOTECH CO LTD (CN)

G01N35/10; G01N33/48; G05D7/06; G05D16/20

CN114460325A	2022-05-10
CN108679448A	2018-10-19
CN104696706A	2015-06-10
CN108508225A	2018-09-07
US20170199529A1	2017-07-13

IP SUNNY (CN)

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