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US 12,414,877 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
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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.
Claims20
A wound treatment apparatus comprising a wound dressing, the wound dressing comprising:
- a transmission layer comprising an upper sub-layer and a lower sub-layer spaced apart from the upper sub-layer by a plurality of generally perpendicular spacer elements, wherein the upper sub-layer comprises a first plurality of openings and the lower sub-layer comprises a second plurality of openings, and wherein the first plurality of openings has a larger open area than the second plurality of openings;
- a gas impermeable cover layer positioned over the transmission layer;
- and
- a wound contact layer positioned beneath the transmission layer.
1 more element
A wound treatment apparatus comprising:
- a vacuum pump;
- a wound dressing, the wound dressing comprising a gas impermeable cover layer comprising a fluid passage and a transmission layer below the cover layer, the transmission layer comprising an upper layer and a lower layer spaced apart from the upper layer by a plurality of generally perpendicular spacer elements, the upper layer comprising a first plurality of openings and the lower layer comprising a second plurality of openings, the first plurality of openings having a larger open area than the second plurality of openings;
- and
- a suction port connectable to the vacuum pump, the suction port configured to be positioned above the fluid passage and comprising a connector portion configured to fluidly connect the suction port to the vacuum pump.
1 more element
Dependencies are inferred from the claim text.