IP Library › Granted Patent US 12,594,192
Granted Patent B2
US 12,594,192 · App. 17/590,701 · Granted Apr 7, 2026

Replaceable dressing and method for viewing a tissue site

Inventor: Tyler H. Simmons (San Antonio, TX)
Assignee: Solventum Intellectual Properties Company
A61F13/05A61F13/0266A61M1/90
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Quick Facts
Patent No.
US 12,594,192
App. No.
17/590,701
Granted
Apr 7, 2026
Kind
B2
Abstract

Provided are systems, dressings, and methods suitable for treating a tissue site, such as an incision or linear wound. The systems, dressings, and methods relate to a dressing assembly that may include a dressing bolster, sealing members that cover the tissue site and contain the dressing bolster, and a dressing attachment device. The dressing assembly also includes a base layer comprising a sealing member and a base attachment device for releasably coupling the base layer to the epidermis, wherein the dressing attachment device that may releasably coupled to the sealing member base layer. The dressing assembly may also include sealing ring that may be adapted to provide a fluid seal around the tissue site, and to absorb fluids from the tissue site. Other systems, apparatuses, and methods are disclosed.

Claims (35)

1 . A system for treating a tissue site, comprising:

a dressing assembly, comprising:

a dressing bolster having a first side and a second side,

a sealing member having a first side and a second side configured to cover the dressing bolster and to create a sealed space over the tissue site, and

a dressing attachment device configured to be coupled to the second side of the sealing member;

a base member having a first side and a second side, the first side adapted to be releasably coupled to the sealing member by the dressing attachment device, and including a base attachment device configured to be coupled to the second side of the base member and adapted to be releasably coupled to tissue surrounding the tissue site;

at least one dressing release member positioned between an end of the second side of the sealing member and the first side of the base member such that a portion of the dressing attachment device remains exposed and configured to be releasably coupled to the first side of the base member; and

a reduced-pressure source configured to be coupled in fluid communication with the sealed space.

2 . The system of claim 1 , wherein the base attachment device has a peel strength and the dressing attachment device has a peel strength, and wherein the peel strength of the base attachment device is greater than the peel strength of the dressing attachment device.

3 . The system of claim 1 , wherein the dressing attachment device has a peel strength less than or equal to about 2.0 N/25 mm.

4 . The system of claim 1 , wherein the dressing attachment device has a peel strength less than or equal to about 1.4 N/25 mm.

5 . The system of claim 1 , wherein the base attachment device has a peel strength greater than or equal to about 4.0 N/25 mm.

6 . The system of claim 1 , wherein the base attachment device has a peel strength greater than or equal to about 4.2 N/25 mm.

7 . The system of claim 1 , wherein the base attachment device has a peel strength and the dressing attachment device has a peel strength, and wherein a ratio of the peel strength of the base attachment device to the peel strength of the dressing attachment device is greater than about 2.0.

8 . The system of claim 1 , wherein the base attachment device has a peel strength and the dressing attachment device has a peel strength, and wherein a ratio of the peel strength of the base attachment device to the peel strength of the dressing attachment device is greater than about 3.0.

9 . The system of claim 1 , wherein the base attachment device has a peel strength and the dressing attachment device has a peel strength, and wherein a ratio of the peel strength of the base attachment device to the peel strength of the dressing attachment device is in a range from about 2:1 to about 6:1.

10 . The system of claim 1 , wherein the base attachment device has a peel strength and the dressing attachment device has a peel strength, and wherein a ratio of the peel strength of the base attachment device to the peel strength of the dressing attachment device is in a range from about 3:1 to about 6:1.

11 . The system of claim 1 , wherein the dressing release member is comprised of a polyester film.

12 . The system of claim 11 , wherein the polyester film is polyethylene terephthalate (PET).

13 . The system of claim 1 , wherein the dressing release member includes at least two release components disposed on opposing ends of the sealing member.

14 . The system of claim 1 , wherein the base member further includes a viewing aperture extending through the base member.

15 . The system of claim 1 , wherein the base member further includes a viewing window extending through the base member.

16 . The system of claim 1 , wherein the dressing assembly further comprises a sealing ring coupled to the second side of the dressing bolster, the sealing ring comprising an absorbent.

17 . The system of claim 16 , wherein the sealing ring comprises a hydrocolloid including the absorbent.

18 . The system of claim 16 , wherein the absorbent comprises carboxy methyl cellulose.

19 . The system of claim 16 , wherein the sealing ring is positioned around a circumference of the dressing bolster.

20 . The system of claim 16 , wherein the sealing ring is positioned at a lateral edge of the dressing bolster.

21 . The system of claim 16 , wherein the sealing ring is comprised of a sealing material having a hardness between about 70 to about 80 Shore, type OO.

22 . The system of claim 16 , wherein the sealing ring has a thickness, T sr , between about 0.7 millimeters to about 1.25 millimeters.

23 . The system of claim 16 , wherein the sealing ring has a thickness, T sr , the sealing member has a thickness, T sm , and the ratio of the thickness of the sealing ring to the thickness of the sealing member, T sr /T sm , is between about 2.7 to about 7.0.

24 . The system of claim 1 , wherein the dressing assembly further comprises a comfort layer having a first side and a second side, the first side of the comfort layer coupled to the second side of the dressing bolster.

25 . The system of claim 24 , wherein the dressing assembly further comprises a sealing ring coupled to the second side of the comfort layer.

26 . The system of claim 24 , wherein the comfort layer is selected from a group consisting of a woven material, a non-woven material, a polyester knit material, and a fenestrated film.

27 . The system of claim 1 , further comprising a bottom release member in contact with the base attachment device, the bottom release member configured to cover the base attachment device and to be removable from the base attachment device.

28 . The system of claim 27 , wherein the bottom release member is comprised of polyethylene terephthalate.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 4, 2025
From: SIMMONS, TYLER H.
To: KCI LICENSING, INC.
Reel/Frame 070393/0917 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 1, 2024
From: 3M INNOVATIVE PROPERTIES COMPANY
To: SOLVENTUM INTELLECTUAL PROPERTIES COMPANY
Reel/Frame 066431/0915 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 28, 2023
From: KCI LICENSING, INC.
To: 3M INNOVATIVE PROPERTIES COMPANY
Reel/Frame 064730/0636 →
Continuity (3)
Division 16302563
Provisional Application 62339246 · May 20, 2016
Related Publication 20220151834A1 · May 19, 2022
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