US 11,911,556 B2
Combination fluid instillation and negative pressure dressing
David Richard Mercer, San Antonio, TX (US); Christopher Brian Locke, Bournemouth (GB); and Benjamin Andrew Pratt, Poole (GB)
Assigned to 3M Innovative Properties Company, Saint Paul, MN (US)
Filed by KCI Licensing, Inc., San Antonio, TX (US)
Filed on Jun. 3, 2020, as Appl. No. 16/891,594.
Application 16/891,594 is a division of application No. 15/328,415, granted, now 10,702,649, previously published as PCT/US2015/042097, filed on Jul. 24, 2015.
Claims priority of provisional application 62/028,672, filed on Jul. 24, 2014.
Prior Publication US 2020/0289739 A1, Sep. 17, 2020
Int. Cl. A61M 1/00 (2006.01); A61M 3/02 (2006.01)
CPC A61M 1/92 (2021.05) [A61M 1/77 (2021.05); A61M 1/85 (2021.05); A61M 1/915 (2021.05); A61M 3/0254 (2013.01); A61M 1/916 (2021.05); A61M 2205/15 (2013.01); A61M 2205/18 (2013.01); A61M 2205/583 (2013.01); A61M 2205/8206 (2013.01); A61M 2207/00 (2013.01); A61M 2210/1021 (2013.01)] 24 Claims
OG exemplary drawing
 
1. An instillation assembly for treating a tissue site, comprising:
a fluid distribution lumen comprising a length and opposing sides positioned normal to the length, the fluid distribution lumen being defined by a first film layer and a second film layer, the first film layer being sealingly coupled to the second film layer at the opposing sides and along the length of the fluid distribution lumen;
a delivery aperture in fluid communication with the fluid distribution lumen, the delivery aperture disposed through the first film layer and the fluid distribution lumen and configured to face the tissue site; and
a fluid hub positioned in fluid communication with the fluid distribution lumen, the fluid hub being positioned between the first film layer and the second film layer, the fluid hub and the fluid distribution lumen defining a fluid instillation pathway.