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. 01, 2025

Filed:

May. 18, 2020
Applicant:

The Governing Council of the University of Toronto, Toronto, CA;

Inventors:

Molly Shoichet, York, CA;

Michael J. Cooke, Toronto, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 1/28 (2006.01); A61L 31/04 (2006.01); A61P 41/00 (2006.01); B29C 45/04 (2006.01); B29C 45/17 (2006.01); B29C 45/76 (2006.01); C08L 5/08 (2006.01);
U.S. Cl.
CPC ...
B29C 45/7686 (2013.01); A61L 31/041 (2013.01); A61L 31/042 (2013.01); B29C 45/0408 (2013.01); B29C 45/1756 (2013.01); C08L 1/28 (2013.01); C08L 5/08 (2013.01); B29C 2945/76464 (2013.01); B29C 2945/76973 (2013.01); C08L 2203/02 (2013.01);
Abstract

A method of reducing or limiting tissue adhesion comprises contacting the tissue with an effective amount of a hydrogel composition comprising: 2% to 6% by weight hyaluronan, and 3% to 18% by weight methylcellulose, wherein the combined total amount of hyaluronan and methylcellulose in the hydrogel is between 8 and 24% by weight; and wherein the ratio of hyaluronan:methylcellulose is between 1:1 and 1:5 w/w. The hydrogel composition and may be used to reduce or limit tissue adhesion that is correlated with surgery, and may be used in surgeries wherein the surgery is performed through a small incision or opening.


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