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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.

Patent No.:

US 11331221 B1

PDFFull Text
Date of Patent:
May. 17, 2022

Filed:

Dec. 27, 2019

Negative pressure wound dressing

Applicant:

Convatec Limited, Flintshire, GB;

Inventors:

Stephen S. Bishop, Flintshire, GB;

Lucy L. Ballamy, Denbighshire, GB;

Sarah E. Wroe Nield, Manchester, GB;

Duncan Gilding, Flintshire, GB;

Assignee:

CONVATEC LIMITED, Flintshire, GB;

Attorneys:

Taft Stettinius & Hollister LLP

Ryan O. White

Derek B. Lavender

Primary Examiner:

Susan S Su

Assistant Examiner:

Eric Rassavong

Int. Cl.
CPC ...
A61F 13/02 (2006.01); A61F 13/00 (2006.01);
U.S. Cl.
CPC ...
A61F 13/0206 (2013.01); A61F 13/00068 (2013.01); A61F 13/0213 (2013.01); A61F 13/0223 (2013.01); A61F 13/0253 (2013.01); A61F 2013/00174 (2013.01);
Abstract

A dressing for negative pressure wound therapy includes an absorbent layer comprising a gelling absorbent material for absorbing exudate, a peripheral adhesive skin contact layer comprising a hydrocolloid adhesive and defining a window through which the absorbent layer is able to contact a wound, and a cover layer that is water impermeable and air permeable. The cover layer defines an aperture to be used with a pump assembly to provide negative pressure to a wound site.

Find Patent Forward Citations

Bishop, Stephen. (2022). Negative pressure wound dressing (U.S. Patent No. 11331221). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11331221

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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