Wound dressing
First Claim
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1. A system for treating a wound site, comprising:
- a wound packer adapted to be positioned within a wound cavity;
a dressing, comprising;
a wound contact layer having a periphery surrounding a central portion and a plurality of apertures disposed through the periphery and the central portion, wherein the wound contact layer is adapted to cover the wound packer and skin surrounding the wound site,a cover layer having a periphery and a central portion, the periphery of the cover layer positioned proximate the periphery of the wound contact layer,an adhesive on an underside of the cover layer, the adhesive adhering the wound contact layer to the cover layer, wherein a space is defined underneath the cover layer and above the wound contact layer,a first transmission layer disposed in the space,a second transmission layer disposed in the space,an absorbent layer disposed between the first transmission layer and the second transmission layer, anda connector in fluid communication with the space for connecting the space to a conduit; and
a negative pressure source adapted to be coupled in fluid communication with the connector to provide negative pressure to the dressing.
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Abstract
A method and apparatus are disclosed for dressing a wound. The apparatus comprises an absorbent layer for absorbing wound exudate, a liquid impermeable, gas permeable filter layer over the absorbent layer, a cover layer comprising at least one orifice and a first liquid and gas permeable transmission layer underlying the absorbent layer. The transmission layer is in fluid communication with the filter layer.
987 Citations
19 Claims
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1. A system for treating a wound site, comprising:
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a wound packer adapted to be positioned within a wound cavity; a dressing, comprising; a wound contact layer having a periphery surrounding a central portion and a plurality of apertures disposed through the periphery and the central portion, wherein the wound contact layer is adapted to cover the wound packer and skin surrounding the wound site, a cover layer having a periphery and a central portion, the periphery of the cover layer positioned proximate the periphery of the wound contact layer, an adhesive on an underside of the cover layer, the adhesive adhering the wound contact layer to the cover layer, wherein a space is defined underneath the cover layer and above the wound contact layer, a first transmission layer disposed in the space, a second transmission layer disposed in the space, an absorbent layer disposed between the first transmission layer and the second transmission layer, and a connector in fluid communication with the space for connecting the space to a conduit; and a negative pressure source adapted to be coupled in fluid communication with the connector to provide negative pressure to the dressing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification