US 12,076,217 B2
Systems and methods for trauma-free application and removal of light deactivated adhesive drapes
Christopher Brian Locke, Blandford Forum (GB); and David Whyte, Wareham (GB)
Assigned to Solventum Intellectual Properties Company, Maplewood, MN (US)
Appl. No. 16/970,788
Filed by Solventum Intellectual Properties Company, Maplewood, MN (US)
PCT Filed Feb. 18, 2019, PCT No. PCT/US2019/018386
§ 371(c)(1), (2) Date Aug. 18, 2020,
PCT Pub. No. WO2019/161321, PCT Pub. Date Aug. 22, 2019.
Claims priority of provisional application 62/632,176, filed on Feb. 19, 2018.
Prior Publication US 2020/0368075 A1, Nov. 26, 2020
Int. Cl. A61F 13/02 (2024.01); A61B 46/20 (2016.01); A61F 13/00 (2024.01); A61F 13/0206 (2024.01); A61F 13/0246 (2024.01)
CPC A61F 13/0266 (2013.01) [A61B 46/20 (2016.02); A61F 13/0206 (2013.01); A61F 13/0253 (2013.01); A61F 13/0269 (2013.01); A61B 2046/205 (2016.02); A61F 2013/00182 (2013.01); A61F 2013/00246 (2013.01); A61F 2013/00289 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A light deactivated adhesive drape system configured to be coupled to tissue, the light deactivated adhesive drape system comprising:
a drape comprising:
an absorbent portion configured to contact a wound on the tissue;
at least one photosensitive adhesive portion configured to adhere to the tissue and having at least one release agent disposed within an adhesive layer, wherein the at least one release agent is configured to weaken a bond of the adhesive layer to the tissue upon exposure to at least one of a plurality of light wavelengths, the at least one photosensitive adhesive portion extending to outer edges of the drape;
a plurality of acrylic and/or polyurethane adhesive portions configured to adhere to the tissue, the plurality of acrylic and/or polyurethane adhesive portions perforating the at least one photosensitive adhesive portion, the plurality of acrylic and/or polyurethane adhesive portion having an adhesion less than the at least one photosensitive adhesive portion in an activated state and greater than the at least one photosensitive adhesive portion in a deactivated state,
wherein the plurality of acrylic and/or polyurethane adhesive portion maintains adhesion to the tissue upon exposure to the at least one of a plurality of light wavelengths; and
a removable blocking layer configured to block the plurality of light wavelengths that activate the at least one release agent, and the plurality of acrylic and/or polyurethane adhesive portions are not covered by the removable blocking layer.