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:
Feb. 27, 2024

Filed:

Jun. 17, 2019
Applicant:

Fenwal, Inc., Lake Zurich, IL (US);

Inventors:

Kyungyoon Min, Kildeer, IL (US);

Christopher J. Wegener, Libertyville, IL (US);

Alexander Dodge, Lincolnshire, IL (US);

Assignee:

Fenwal, Inc., Lake Zurich, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 1/36 (2006.01); A61M 1/02 (2006.01); B01L 3/00 (2006.01);
U.S. Cl.
CPC ...
A61M 1/3692 (2014.02); A61M 1/0272 (2013.01); A61M 1/0281 (2013.01); A61M 1/3693 (2013.01); A61M 1/362227 (2022.05); A61M 1/362265 (2022.05); B01L 3/502 (2013.01); A61M 1/36224 (2022.05); B01L 2400/0409 (2013.01);
Abstract

A system for concentrating cells, wherein a syringe comprises a lumen and an axial end comprising a port and a radial end closed to liquid flow. A plunger divides the axial and radial ends, and the syringe is configured to hold a cellular suspension. A filter disposed at the radial end is configured to maintain sterility of the syringe. A cap comprises a vent disposed at the radial end. The plunger is configured to be actuated towards the axial end by air pressure being applied into the radial end and the plunger is configured to be actuated towards the radial end by a vacuum being applied into the radial end.


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