Sealing systems and methods employing a hybrid switchable drape

1. A sealing member, comprising:

a film layer;

a first adhesive layer coupled to the film layer;

a second adhesive layer coupled to the first adhesive layer;

a plurality of apertures extending through the second adhesive layer, each aperture exposing at least a portion of the first adhesive layer through the second adhesive layer; and

a plurality of polymer particles disposed in the first adhesive layer, the polymer particles configured to dissolve in response to interaction with a switching solution.

2. The sealing member of claim 1 , wherein the film layer is perforated.

3. The sealing member of claim 1 , wherein the film layer includes a plurality of perforations, the plurality of perforations coincident with the second adhesive layer.

4. The sealing member of claim 1 , wherein the film layer includes a plurality of perforations and each perforation has an average effective diameter between about 0.2 mm and about 0.5 mm.

5. The sealing member of claim 1 , wherein the film layer includes a plurality of perforations, the plurality of perforations registered with the plurality of apertures.

6. The sealing member of claim 5 , wherein each perforation of the plurality of perforations is registered with a respective aperture of the plurality of apertures.

7. The sealing member of claim 5 , wherein the plurality of perforations are configured to permit interaction of the switching solution with the first adhesive layer adjacent to the plurality of apertures.

8. The sealing member of claim 1 , further comprising dye particles disposed in the first adhesive layer, the dye particles configured to dissolve in response to interaction with the switching solution.

9. A system for providing negative-pressure therapy, the system comprising:

a tissue interface configured to be disposed proximate to a tissue site;

a cover configured to be disposed over the tissue interface to form a sealed space containing the tissue interface, the cover comprising:

a barrier layer;

an acrylic adhesive layer coupled to the barrier layer;

a silicone gel layer coupled to the acrylic adhesive layer;

a plurality of apertures extending through the silicone gel layer, exposing at least a portion of the acrylic adhesive layer through the silicone gel layer; and

a plurality of release agents disposed in the acrylic adhesive layer, the release agents configured to dissolve in response to interaction with a release solution; and

a negative-pressure source configured to be fluidly coupled to the sealed space to draw fluid from the sealed space.

10. The system of claim 9 , wherein the acrylic adhesive layer has a first bond strength of about 8.0N/cm and a second bond strength of about 0.5N/cm, the acrylic adhesive layer transitioning from the first bond strength to the second bond strength in response to the dissolution of the release agents.

11. The system of claim 9 , wherein the barrier layer is perforated.

12. The system of claim 9 , wherein the barrier layer includes a plurality of perforations, the plurality of perforations coincident with the silicone gel layer.

13. The system of claim 9 , wherein the barrier layer includes a plurality of perforations and each perforation has an average effective diameter between about 0.2 mm and about 0.5 mm.

14. The system of claim 9 , wherein the barrier layer includes a plurality of perforations, the plurality of perforations registered with the plurality of apertures.

15. The system of claim 14 , wherein each perforation of the plurality of perforations is registered with a respective aperture of the plurality of apertures.

16. The system of claim 15 , wherein the plurality of perforations are configured to permit interaction of the release solution with the acrylic adhesive layer adjacent to the plurality of apertures.

17. The system of claim 9 , further comprising dye particles disposed in the acrylic adhesive layer, the dye particles configured to dissolve in response to interaction with the release solution.

18. A method for removing a drape, the method comprising:

applying a switching solution to a drape, wherein the drape comprises:

a film layer;

a first adhesive layer coupled to the film layer;

a second adhesive layer coupled to the first adhesive layer;

a plurality of apertures extending through the second adhesive layer, each aperture exposing at least a portion of the first adhesive layer through the second adhesive layer; and

a plurality of polymer particles disposed in the first adhesive layer;

dissolving the polymer particles with the switching solution to reduce a bond strength of the first adhesive layer; and

lifting an edge of the drape.

19. The method of claim 18 , wherein dissolving the polymer particles with the switching solution comprises:

applying the switching solution to an edge of the first adhesive layer;

expanding the polymer particles to lift the film layer away from the second adhesive layer; and

dissolving the polymer particles to form a polymer particle solution, the polymer particle solution configured to interact with the first adhesive layer to decrease the bond strength of the first adhesive layer.

20. The method of claim 18 , wherein dissolving the polymer particles with the switching solution comprises:

applying the switching solution to a plurality of perforations of the film layer, the plurality of perforations registered with the plurality of apertures;

expanding the polymer particles to lift the film layer away from an epidermis;

dissolving the polymer particles to form a polymer particle solution, the polymer particle solution configured to interact with the first adhesive layer to decrease the bond strength of the first adhesive layer adjacent the apertures in the second adhesive layer; and

lifting the drape away from the epidermis to remove the film layer, the first adhesive layer and the second adhesive layer.