US 11,806,217 B2
Wound dressing
Amy Nicole Wheldrake, East Yorkshire (GB)
Assigned to Smith & Nephew PLC, Watford (GB)
Appl. No. 16/468,602
Filed by Smith & Nephew PLC, Watford (GB)
PCT Filed Dec. 11, 2017, PCT No. PCT/EP2017/082167
§ 371(c)(1), (2) Date Jun. 11, 2019,
PCT Pub. No. WO2018/108784, PCT Pub. Date Jun. 21, 2018.
Claims priority of application No. 1621057 (GB), filed on Dec. 12, 2016; and application No. 1709987 (GB), filed on Jun. 22, 2017.
Prior Publication US 2020/0008981 A1, Jan. 9, 2020
Int. Cl. A61F 13/00 (2006.01); A61F 13/02 (2006.01)
CPC A61F 13/0209 (2013.01) [A61F 13/00012 (2013.01); A61F 13/00017 (2013.01); A61F 13/00029 (2013.01); A61F 13/00042 (2013.01); A61F 13/00068 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A wound dressing comprising a vertically lapped material comprising:
a first layer of an absorbing material, and
a second layer of material,
wherein the first layer is constructed from at least one layer of non-woven textile fibers, the at least one layer of non-woven textile fibers being folded into a plurality of folds to form a pleated structure comprising a plurality of bottom folds on a first wound facing side and a plurality of top folds on a second side opposite the first side, wherein the pleated structure is slitted to remove at least one of the plurality of top folds or the plurality of bottom folds of the first layer to determine a thickness of the first layer; and
the second layer of material is temporarily or permanently connected to the first layer of material.