US 12,186,159 B2
Hybrid adhesive tissue cover with application stretch
Christopher Brian Locke, Bournemouth (GB); and Timothy Mark Robinson, Shillingstone (GB)
Assigned to Solventum Intellectual Properties Company, Maplewood, MN (US)
Appl. No. 17/602,476
Filed by Solventum Intellectual Properties Company, Maplewood, MN (US)
PCT Filed Mar. 20, 2020, PCT No. PCT/US2020/023888
§ 371(c)(1), (2) Date Oct. 8, 2021,
PCT Pub. No. WO2020/219196, PCT Pub. Date Oct. 29, 2020.
Claims priority of provisional application 62/838,162, filed on Apr. 24, 2019.
Prior Publication US 2022/0202622 A1, Jun. 30, 2022
Int. Cl. A61F 13/00 (2024.01); A61F 13/0203 (2024.01); A61F 13/05 (2024.01)
CPC A61F 13/022 (2013.01) [A61F 13/00085 (2013.01); A61F 13/05 (2024.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus for covering a tissue site, the apparatus comprising:
a contact layer having a first pattern of apertures and bridges;
a shell layer having a first side and an opposite second side facing the contact layer, the shell layer having a second pattern of apertures overlaying the bridges; and
adhesive disposed on the second side of the shell layer and exposed through the first pattern of apertures in the contact layer.
 
15. An apparatus for covering a tissue site, the apparatus comprising:
a contact layer having a first pattern of holes;
a shell layer coupled to the contact layer; and
adhesive coated on a side of the shell layer facing the contact layer, the adhesive exposed through the first pattern of holes in the contact layer, the adhesive having a bond strength that is greater than the yield strength of the shell layer.