IP Library › Granted Patent US 12697254
Granted Patent B2
US 12697254 · App. 17/629,174 · Granted Aug 4, 2026

Antimicrobial/antibacterial disruptive dressing for use with negative pressure and fluid instillation

Inventor: Kathleen L. Derrick (San Antonio, TX)
Assignee: Solventum Intellectual Properties Company
A61F13/00063A61F13/05A61L15/44A61L15/46A61L2300/104A61L2300/404A61L2300/45
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Quick Facts
Patent No.
US 12697254
App. No.
17/629,174
Granted
Aug 4, 2026
Kind
B2
Abstract

Dressings, systems, and methods for treating a tissue site are described herein. The dressing has a contact layer having a plurality of holes. The contact layer is configured to be positioned adjacent to the tissue site. The dressing also includes a cover layer having a first side configured to be positioned adjacent to the contact layer and a second side opposite the first side. An antimicrobial agent is coupled to the first side of the cover layer. The dressing has a drape configured to be positioned over the cover layer to form a sealed space having the contact layer and the cover layer disposed in the sealed space.

Claims (9)

1 . A dressing for treating a tissue site, the dressing comprising:

a debridement tool having a plurality of openings extending into the debridement tool to form interior surfaces perpendicular to and extending from a first surface of the debridement tool, the debridement tool configured to be positioned adjacent to the tissue site;

an antibacterial agent coupled to the interior surfaces of the plurality of openings of the debridement tool, the first surface being free from the antibacterial agent; and

a drape configured to be positioned over the debridement tool to form a sealed space having the debridement tool disposed in the sealed space.

2 . The dressing of claim 1 , further comprising a retainer layer disposed over the debridement tool.

3 . The dressing of claim 2 , wherein the retainer layer has a first side and a second side, the second side configured to be positioned adjacent to the debridement tool, and the antibacterial agent comprises a first antibacterial agent, the dressing further comprising a second antibacterial agent coupled to the second side of the retainer layer.

4 . The dressing of claim 3 , wherein the first antibacterial agent is different than the second antibacterial agent.

5 . The dressing of claim 1 , wherein the debridement tool comprises a second surface opposite the first surface, the second surface configured to be positioned adjacent to the tissue site, and the antibacterial agent comprises a first antibacterial agent, the dressing further comprising a second antibacterial agent coupled to the second surface of the debridement tool.

6 . The dressing of claim 5 , wherein the first antibacterial agent is different than the second antibacterial agent.