US 12,070,377 B2
Connection assembly with perforated film layer for absorbent negative pressure dressing
Christopher Brian Locke, Bournemouth (GB)
Assigned to Solventum Intellectual Properties Company, Maplewood, MN (US)
Appl. No. 17/606,516
Filed by Solventum Intellectual Properties Company, Maplewood, MN (US)
PCT Filed May 14, 2020, PCT No. PCT/US2020/032875
§ 371(c)(1), (2) Date Oct. 26, 2021,
PCT Pub. No. WO2020/232239, PCT Pub. Date Nov. 19, 2020.
Claims priority of provisional application 62/848,958, filed on May 16, 2019.
Prior Publication US 2022/0203017 A1, Jun. 30, 2022
Int. Cl. A61F 13/05 (2024.01); A61F 13/00 (2024.01); A61F 13/02 (2024.01); A61F 13/0206 (2024.01); A61M 1/00 (2006.01)
CPC A61F 13/05 (2024.01) [A61F 13/00055 (2013.01); A61F 13/0206 (2013.01); A61F 13/0289 (2013.01); A61M 1/912 (2021.05); A61M 1/915 (2021.05); A61M 1/985 (2021.05); A61M 1/966 (2021.05); A61M 1/982 (2021.05); A61M 2207/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An assembly for coupling a dressing to a tube connected to a pump, the assembly comprising:
a hydrophobic film layer comprising a perforation extending therethrough;
an indicator coupled to a first side of the hydrophobic film layer and positioned proximate the perforation;
a felted foam layer coupled to a second side of the hydrophobic film layer and fluidly communicable with the indicator via the perforation; and
a connection pad coupled to the first side of the hydrophobic film layer and coupleable to the tube.