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:
Mar. 12, 2024

Filed:

Aug. 26, 2022
Applicant:

Texas Medical Center, Houston, TX (US);

Inventors:

Timothy J. Keane, Jr., Houston, TX (US);

Peter Alexander Smith, Houston, TX (US);

Stephen G. Ramon, Houston, TX (US);

Assignee:

TEXAS MEDICAL CENTER, Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L 31/14 (2006.01); A61L 31/00 (2006.01); A61L 31/04 (2006.01);
U.S. Cl.
CPC ...
A61L 31/145 (2013.01); A61L 31/005 (2013.01); A61L 31/041 (2013.01); A61L 2400/06 (2013.01);
Abstract

Provided are methods, devices and compositions for reducing and/or inhibiting postsurgical tissue adhesion using a hydrogel film disposed onto a target tissue, thereby providing an adhesion barrier that remains over said target tissue for a prescribed period of time. In some embodiments, the hydrogel film is formed by the gelation of a pre-gel mixture applied onto the target tissue as a plurality of particles having an average maximum dimension, such as diameter, of at most about 500 μm. In some embodiments, the hydrogel film has a minimum storage modulus of 100 Pa. In some embodiments, the pre-gel mixture comprises an ECM digest having a collagen to carbohydrate ratio (by mass) of at least 70:1.


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