Patent ID: 11918730
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A system for treating a tissue site, comprising:
a manifold configured to be positioned proximate the tissue site;
a cover layer configured to cover the manifold and the tissue site to provide a sealed space between the cover layer and the tissue site;
a porous conduit configured to be disposed in the sealed space in fluid communication with the manifold and the sealed space, comprising:
a lumen,
a first porous wall positioned substantially concentric about the lumen; and
a second porous wall positioned substantially concentric about the first porous wall;

a therapy device adapted to be in fluid communication with the porous conduit, the therapy device comprising a reduced-pressure source configured to be in fluid communication with the lumen; and
a conduit interface configured to be fluidly coupled between the porous conduit and the therapy device, the conduit interface comprising:
a reduced-pressure lumen fluidly coupled to the lumen,
a fluid instillation lumen fluidly coupled to the first porous wall, and
a sensing lumen fluidly coupled to the second porous wall.