Foam structure wound inserts for directional granulation
AssigneeKCI Licensing, Inc.
InventorsBenjamin Stokes, Timothy Mark Robinson
Life of this patent
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Abstract
A wound treatment system comprises a wound-treatment apparatus and a wound dressing coupled to the apparatus. The wound dressing includes a foam structure wound insert having pores with a greater cross-sectional area when viewed from a first direction and a smaller cross-sectional area when viewed from an orthogonal direction. Methods for making such wound inserts may include compressing foam structure material having pores with a substantially uniform cross-sectional area. Methods for treating a wound using a wound insert.
Claims12
A wound insert for use with a wound dressing, the wound insert comprising:
- a foam structure having a first surface, a second surface generally parallel to the first surface, and a third surface extending between the first surface and the second surface;
- and
- a plurality of pores distributed through the foam structure in an open-cell relation forming flow channels for receiving and distributing fluid to a wound, the plurality of pores having an average first cross-sectional area parallel to the first surface and an average second cross-sectional area parallel to the third surface, wherein the average first cross-sectional area is greater than the average second cross-sectional area;
- wherein:
- the first surface is a granulating surface;
- the average first cross-sectional area comprises a diameter no less than 2.0 millimeters;
- and
- the average second cross-sectional area us compressed at a ratio less than or equal to 5:1.
A wound insert for use with a wound dressing, the wound insert comprising:
- a foam structure having a first surface and a second surface generally parallel to the first surface;
- and
- a plurality of pores distributed through the foam structure and formed having an open-cell relation including flow channels for receiving and distributing fluid to a wound, wherein flow channels formed by pores extending in a direction perpendicular to the first surface have a greater cross-section than the flow channels formed by pores extending in a direction parallel to the first surface.
Dependencies are inferred from the claim text.