US 12,403,239 B2
Disposable cartridge for vacuum actuated fluid delivery
James A. Luckemeyer, San Antonio, TX (US); and Christopher Brian Locke, Bournemouth (GB)
Assigned to Solventum Intellectual Properties Company, Maplewood, MN (US)
Filed by Solventum Intellectual Properties Company, Maplewood, MN (US)
Filed on Dec. 13, 2023, as Appl. No. 18/538,759.
Application 18/538,759 is a division of application No. 16/432,206, filed on Jun. 5, 2019, granted, now 11,890,437.
Application 16/432,206 is a division of application No. 14/794,269, filed on Jul. 8, 2015, granted, now 10,350,336.
Claims priority of provisional application 62/026,500, filed on Jul. 18, 2014.
Prior Publication US 2024/0115797 A1, Apr. 11, 2024
Int. Cl. A61M 3/02 (2006.01); A61F 13/05 (2024.01); A61M 1/00 (2006.01); A61M 5/142 (2006.01); A61M 5/145 (2006.01); A61M 5/168 (2006.01)
CPC A61M 3/0254 (2013.01) [A61M 1/743 (2021.05); A61M 1/92 (2021.05); A61M 1/94 (2021.05); A61M 3/0208 (2014.02); A61M 3/022 (2014.02); A61M 5/14224 (2013.01); A61M 5/16881 (2013.01); A61F 13/05 (2024.01); A61M 3/0201 (2021.05); A61M 3/0241 (2013.01); A61M 2005/14506 (2013.01); A61M 2205/12 (2013.01); A61M 2205/128 (2013.01); A61M 2205/3334 (2013.01); A61M 2205/3337 (2013.01); A61M 2205/50 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An apparatus for providing instillation therapy with a negative-pressure source, the apparatus comprising:
a housing having an ambient chamber and a negative-pressure chamber fluidly isolated from each other;
a moveable barrier disposed in the housing between the ambient chamber and the negative-pressure chamber;
a tube configured to be fluidly coupled to a fluid source and a dressing, the tube passing through the ambient chamber;
a negative-pressure inlet in fluid communication with the negative-pressure chamber; and
a biasing element coupled to the moveable barrier and operable to selectively permit fluid flow through the tube in response to operation of the negative-pressure source.