US 11,766,514 B2
Negative pressure wound therapy barrier
Michael Simms Shuler, Athens, GA (US)
Assigned to J&M Shuler Medical Inc., Athens, GA (US)
Filed by J&M Shuler Medical Inc., Athens, GA (US)
Filed on Nov. 1, 2021, as Appl. No. 17/515,896.
Application 17/515,896 is a continuation of application No. 16/749,511, filed on Jan. 22, 2020, granted, now 11,160,917.
Prior Publication US 2022/0193325 A1, Jun. 23, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 1/00 (2006.01); A61F 13/02 (2006.01)
CPC A61M 1/85 (2021.05) [A61F 13/0206 (2013.01); A61F 13/0216 (2013.01); A61M 1/90 (2021.05); A61M 2205/32 (2013.01); A61M 2205/3334 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A dressing for use in negative pressure wound therapy, the dressing comprising:
a barrier comprising:
a base portion having (i) a top surface and a bottom surface opposite to the top surface, the bottom surface configured to be positioned in a wound and adjacent to wound tissue, and (ii) a plurality of perforations defined through the base portion, wherein the plurality of perforations are positioned, sized, and configured to allow flow through for negative pressure wound therapy;
a structural portion adjacent to the top surface of the base portion and having a plurality of walls, the plurality of walls meeting at wall intersections and forming a repeating polygonal shape, a first subset of the plurality of perforations positioned so as to extend through the base portion at areas corresponding to wall intersections, and wherein areas of the plurality of walls corresponding to the wall intersections overlying the first subset of the plurality of perforations each include a recess extending away from the base portion; and
a plurality of posts, wherein terminal portions of the plurality of posts extend away from the bottom surface.