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:
Jan. 30, 2024

Filed:

Sep. 22, 2020
Applicants:

Northwestern University, Evanston, IL (US);

The Board of Trustees of the University of Illinois, Urbana, IL (US);

Inventors:

John A. Rogers, Wilmette, IL (US);

Jungil Choi, Chicago, IL (US);

Tyler R. Ray, Evanston, IL (US);

Johnathan T. Reeder, Plano, TX (US);

Yurina Sekine, Evanston, IL (US);

Amay J. Bandodkar, Evanston, IL (US);

Yi Zhang, Evanston, IL (US);

Hexia Guo, Evanston, IL (US);

Sungbong Kim, Champaign, IL (US);

Diana Ostojich, Evanston, IL (US);

Assignees:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/145 (2006.01); A61B 5/00 (2006.01); A61B 5/053 (2021.01); A61B 5/103 (2006.01); A61B 5/1455 (2006.01); B01L 3/00 (2006.01);
U.S. Cl.
CPC ...
A61B 5/14539 (2013.01); A61B 5/0002 (2013.01); A61B 5/053 (2013.01); A61B 5/1032 (2013.01); A61B 5/1455 (2013.01); A61B 5/14517 (2013.01); A61B 5/14546 (2013.01); A61B 5/4842 (2013.01); A61B 5/6806 (2013.01); B01L 3/502715 (2013.01); A61B 5/6833 (2013.01); A61B 2562/028 (2013.01); A61B 2562/164 (2013.01); B01L 2300/025 (2013.01); B01L 2300/0663 (2013.01); B01L 2300/0803 (2013.01); B01L 2300/0864 (2013.01); B01L 2300/123 (2013.01); B01L 2400/0406 (2013.01); B01L 2400/0688 (2013.01);
Abstract

A microfluidic system includes a flexible substrate having a skin-facing surface and a back-facing surface; a microfluidic network at least partially embedded in or supported by the flexible substrate; a sensor fluidically connected to the microfluidic network, wherein the microfluidic network is configured to transport a biofluid from a skin surface to the sensor; and a capping layer, having a capping layer skin-facing surface and a back-facing surface, wherein the back-facing surface of the capping layer is attached to the skin-facing surface of the substrate. The flexible substrate is at least partially formed of a thermoplastic elastomer or a polymer configured to provide a high barrier to vapor or liquid water transmission.


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