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. 10, 2026

Filed:

May. 17, 2023
Applicant:

Hydrofera, Llc, Manchester, CT (US);

Inventors:

Thomas J. Drury, Narragansett, RI (US);

John E. O'gara, Ashland, MA (US);

Christopher Hanson, East Hampton, CT (US);

John Mantese, Ellington, CT (US);

Assignee:

HYDROFERA, LLC, Manchester, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/01 (2024.01); A61F 13/00 (2006.01); A61F 13/05 (2024.01); A61L 2/081 (2026.01); A61L 2/20 (2006.01); A61L 2/206 (2026.01); A61L 15/22 (2006.01); A61L 15/24 (2006.01); A61L 15/26 (2006.01); A61L 15/42 (2006.01); A61L 15/44 (2006.01); A61L 15/58 (2006.01); A61F 13/42 (2006.01); A61F 13/53 (2006.01); A61L 103/05 (2026.01); A61L 103/15 (2026.01);
U.S. Cl.
CPC ...
A61F 13/00063 (2013.01); A61F 13/00059 (2013.01); A61F 13/01017 (2024.01); A61F 13/01021 (2024.01); A61F 13/05 (2024.01); A61L 2/081 (2013.01); A61L 2/20 (2013.01); A61L 2/206 (2013.01); A61L 15/225 (2013.01); A61L 15/24 (2013.01); A61L 15/26 (2013.01); A61L 15/425 (2013.01); A61L 15/44 (2013.01); A61L 15/58 (2013.01); A61F 2013/00336 (2013.01); A61F 2013/429 (2013.01); A61F 2013/530649 (2013.01); A61L 2103/05 (2026.01); A61L 2103/15 (2026.01); A61L 2300/404 (2013.01);
Abstract

The present invention relates to a sponge dressing for treating wounds comprised of a polymer sponge containing a plurality of antimicrobial dyes with at least one dye being gram positive and at least one other dye being gram negative and a silicon adhesive secured to a sponge surface. The sponge dressing can be exposed initially to gamma radiation and later sterilized by ethylene oxide or alternatively it can be sterilized by ethylene oxide and later irradiated by gamma radiation. The sponge dressing has a morphology characterized by an average pore throat diameter of 0.5-500 μm and a porosity ranging from about 60% to about 99.5%. The sponge dressing can also contain at least one biofilm reducing agent, at least one chelating agent and an ionic and non-ionic surfactant.


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