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US 9,061,095 B2Granted
Wound dressing and method of use
AssigneeSmith & Nephew, Inc.
InventorsGordon Campbell Adie, Sarah Jenny Collinson, Christopher John Fryer, Edward Yerbury Hartwell, Derek Nicolini, Yannick Louis Peron
Life of this patent
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Abstract
A system, method, and apparatus are disclosed for dressing a wound. The apparatus comprises a liquid and gas permeable transmission layer, an absorbent layer for absorbing wound exudate, the absorbent layer overlying the transmission layer, a gas impermeable cover layer overlying the absorbent layer and comprising a first orifice, wherein the cover layer is moisture vapor permeable.
Claims14
A wound treatment apparatus comprising:
- a wound dressing comprising:
- a transmission layer comprising a 3D knitted or fabric material;
- an absorbent layer for absorbing wound exudate;
- a cover layer overlying the absorbent layer and comprising an orifice;
- a baffle element;
- and
- a suction port for applying negative pressure to the wound dressing for the application of topical negative pressure at a wound site, the suction port comprising:
- a connector portion configured to connect the suction port to a pump;
- and
- a liquid impermeable gas permeable filter element arranged to prevent substantially all liquid from entering the connector portion.
7 more elements
A wound treatment apparatus comprising:
- a wound dressing comprising:
- a transmission layer comprising a 3D knitted or fabric material configured to remain open upon application of negative pressure to the wound dressing;
- an absorbent layer for absorbing wound exudate, the absorbent layer overlying the transmission layer;
- a cover layer overlying the absorbent layer and comprising an orifice, wherein the cover layer is moisture vapor permeable;
- a baffle element;
- and
- a suction port for applying negative pressure to the wound dressing, the suction port comprising:
- a connector portion connected to the suction port;
- a sealing surface for sealing the suction port to the cover layer of the wound dressing;
- and
- a liquid impermeable gas permeable filter element arranged to prevent a liquid from entering the connector portion.
8 more elements
Dependencies are inferred from the claim text.