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US 12,121,417 B2Granted
Negative pressure wound treatment apparatus
AssigneeSmith & Nephew, Inc.
InventorBryan Greener
Life of this patent
Estimating the term…
Abstract
A wound packing material is provided, suitable for use in negative pressure wound therapy, including a body of a porous material, the body including frangible regions defining a plurality of portions, the frangible regions allowing the portions to be selectively removed from the body. Methods of manufacturing the wound packing material, and methods of its use are also provided.
Claims20
A negative pressure wound treatment apparatus, comprising:
- a body of porous material, the body comprising a plurality of outer surfaces and a plurality of outer edges, each of the plurality of outer edges disposed at an interface of a pair of adjacent outer surfaces, the body comprising an array of partial pre-cuts comprising a continuous cut extending from a first outer edge to a second outer edge and only partially through the body of porous material, the array of partial pre-cuts comprising a plurality of first cuts extending in a first direction and a plurality of second cuts extending in a second direction, individual first cuts intersecting with individual second cuts to form a plurality of cross-shaped cuts;
- and
- a cover layer positioned over the body of porous material, the cover layer comprising an opening configured to communicate negative pressure, the opening configured to connect to a source of negative pressure.
Dependencies are inferred from the claim text.