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:
Apr. 29, 2025

Filed:

Oct. 13, 2021
Applicant:

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

Inventor:

James Madsen, Chicago, IL (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01L 3/00 (2005.12); G01N 1/40 (2005.12);
U.S. Cl.
CPC ...
B01L 3/502753 (2012.12); G01N 1/4005 (2012.12); B01L 2200/0631 (2012.12); B01L 2200/10 (2012.12); B01L 2300/0681 (2012.12); B01L 2300/0858 (2012.12); B01L 2300/0864 (2012.12); B01L 2300/087 (2012.12); B01L 2400/0481 (2012.12);
Abstract

A lab-on-a-chip cartridge includes a housing defining four separate chambers. A fluid (such as whole blood) flows through one of the chambers and into another one of the chambers, which includes a filter membrane. The filter membrane is rotated to separate a first fluid component (such as plasma) from a second fluid component (such as red blood cells), with the first fluid component passing through the filter membrane and the second fluid component not passing through the filter membrane. The separated first and second fluid components each flow into a different one of the remaining chambers, with the first fluid component contacting a lab-on-a-chip device for analyzing the first fluid component.


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