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US 2004/0006319 A1Published application
Wound therapy device
AssigneeKCI Licensing, Inc.
InventorsCesar Z. Lina, Keith Heaton, Royce Johnson
Life of this patent
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AssigneeKCI Licensing, Inc.
InventorsCesar Z. Lina, Keith Heaton, Royce Johnson
Estimating the term…
A wound closure apparatus having a housing that contains a vacuum pump and a chamber for holding a disposable wound fluid collection canister. The canister resides within the chamber and connects at an outlet with the vacuum pump at an inlet with a porous wound pad. The pad is placed over or within a wound and adhesively secured thereto. When the vacuum pump activates, it evacuates air from the canister resulting in wound fluids flowing from the wound into the canister. Due to the negative effect that a vacuum can impose on tissue when granulation tissue is pulled into the pad, the pad contains multiple pore sizes to prevent granulation tissue from migrating into the pad. The pad has an outer surface adjacent the wound with pore sizes of a diameter of approximately 100 microns or less to prevent tissue from growing into the pad and is treated for biocompatibility.
A therapeutic apparatus for stimulating healing of a wound in mammals, comprising:
A porous wound pad for facilitating the healing of a wound in mammals comprising a porous body having at least a partial outer surface and an inner body, said outer surface being adapted for contact of a surface of said wound with small first pores and material modifications to enhance biocompatibility, said porous pad to be introduced into a wound with said outer surface adjacent said wound and secured in or on said wound and secured in contact with said wound by a dressing cover for providing an air-tight seal around said wound and said porous pad and wherein said inner body pores have a greater diameter than said first pores.
Dependencies are inferred from the claim text.