CPC A61F 13/00068 (2013.01) [A61F 13/0216 (2013.01); A61M 1/782 (2021.05); A61M 1/784 (2021.05); A61M 1/80 (2021.05); A61M 1/962 (2021.05); A61M 39/24 (2013.01); A61M 1/74 (2021.05); A61M 2039/2433 (2013.01); A61M 2205/3344 (2013.01)] | 21 Claims |
1. A wound dressing apparatus comprising:
a wound dressing configured to be positioned over a wound site, the wound dressing comprising a wound contact layer configured to be positioned in contact with the wound site, an absorbent layer, and a cover layer configured to cover and form a seal over the wound contact layer and the absorbent layer;
a negative pressure source disposed on or positioned within the wound dressing, the negative pressure source comprising an inlet and an outlet and being operable to apply negative pressure to the wound site; and
a non-return valve enclosure positioned within the wound dressing and in fluid communication with the outlet, the non-return valve enclosure comprising a non-return valve being configured to inhibit back flow of air into the wound dressing, the non-return valve enclosure comprising a cavity with an inlet port and an outlet port.
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