The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 13, 2021

Filed:

May. 04, 2016
Applicant:

Clearbridge Biomedics Pte Ltd, Singapore, SG;

Inventors:

Ali Asgar S. Bhagat, Singapore, SG;

Andrew En-Tzu Wu, Singapore, SG;

Junquan Huang, Singapore, SG;

Guofeng Guan, Singapore, SG;

Shuzhe Chao, Singapore, SG;

Yau Luong Koh, Singapore, SG;

Yifang Lee, Singapore, SG;

Man Chun Leong, Singapore, SG;

Assignee:

BIOLIDICS LIMITED, Singapore, SG;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12M 1/00 (2006.01); B01L 3/00 (2006.01); G01N 1/00 (2006.01); G01N 1/40 (2006.01); G01N 33/574 (2006.01); G01N 15/10 (2006.01);
U.S. Cl.
CPC ...
B01L 3/502761 (2013.01); B01L 3/502738 (2013.01); B01L 3/502753 (2013.01); C12M 47/04 (2013.01); G01N 1/00 (2013.01); G01N 1/40 (2013.01); G01N 33/574 (2013.01); B01L 2200/0605 (2013.01); B01L 2200/0652 (2013.01); B01L 2200/143 (2013.01); B01L 2300/088 (2013.01); B01L 2300/0864 (2013.01); B01L 2400/0622 (2013.01); G01N 2001/4083 (2013.01); G01N 2015/1006 (2013.01);
Abstract

A system for enriching target cells in a sample is disclosed. The system comprises a microfluidic chip comprising a sample inlet, a sample outlet, a waste outlet and a microfluidic channel, the sample inlet being coupled to an upstream end of the microfluidic channel and the sample outlet and the waste outlet being coupled to a downstream end of the microfluidic channel, the microfluidic chip being configured such that target cells are directed to the sample outlet and non-target cells are directed to the waste outlet; a sample input pump configured to introduce the sample into the sample inlet of the microfluidic chip; an output flow rate detector configured to measure a flow rate at the sample outlet and/or the waste outlet of the microfluidic chip; a sample collection switching valve having a configuration switchable between a first configuration in which the sample output of the microfluidic chip is coupled to a sample output container and a second configuration in which the sample output of the microfluidic chip is coupled to a waste output container; and a controller configured to control the configuration of the sample collection switching valve using the flow rate measured by the output flow rate detector.


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