US 11,938,001 B2
Multifunctional release liner for dressings
Hans Joelsson, Gothenburg (SE); Linn Liu Hallerstig, Gothenburg (SE); Shiva Eibpoosh, Gothenburg (SE); and Annelie Blomqvist, Stenungsund (SE)
Assigned to Mölnlycke Health Care AB, Gothenburg (SE)
Appl. No. 17/057,176
Filed by Mölnlycke Health Care AB, Gothenburg (SE)
PCT Filed May 28, 2019, PCT No. PCT/EP2019/063880
§ 371(c)(1), (2) Date Nov. 20, 2020,
PCT Pub. No. WO2019/229090, PCT Pub. Date Dec. 5, 2019.
Claims priority of application No. 18175192 (EP), filed on May 30, 2018.
Prior Publication US 2021/0186765 A1, Jun. 24, 2021
Int. Cl. A61F 13/02 (2006.01); A61F 13/00 (2006.01)
CPC A61F 13/0266 (2013.01) [A61F 2013/00574 (2013.01); A61F 2013/00812 (2013.01); A61F 2013/00817 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A dressing having a maximum lateral (X2) and a maximum longitudinal (Y2) extension;
wherein said dressing has at least one protrusion, wherein said at least one protrusion has a lateral (X1) or a longitudinal (Y1) extension, or both, that is less than 50% of the maximum lateral (X2) or the maximum longitudinal (Y2) extension, or both, of the dressing;
wherein said dressing has a first side and a second opposing side, the first side comprising an adhesive coating having a skin-facing surface adapted to detachably adhere the dressing to a dermal surface,
wherein the dressing comprises a release liner comprising a first portion and a second portion configured to be removed separately, wherein said first portion and said second portion are releasably attached to the adhesive coating;
wherein said first portion of said release liner covers at least a part of an area of said at least one protrusion, and a part of an area outside of said at least one protrusion,
wherein a thickness or stiffness, or both, of said first portion of the release liner is higher than a thickness or stiffness, or both, of said second portion of said release liner,
wherein said thickness or stiffness, or both, of said first portion and said second portion, respectively, are measured in an unfolded area thereof.