Patent ID: 8734410

Claim:
An apparatus for the provision of topical negative pressure therapy to a wound, the apparatus comprising: a sealing membrane for covering a wound to form a wound cavity; a port configured to attach to an upper surface of the sealing membrane, the port comprising: a flange portion having a lower surface provided with an adhesive thereon; an aperture in the flange portion configured to communicate with the wound cavity through a hole formed in the sealing membrane when in use with the port attached to the upper surface of the sealing membrane and the sealing membrane covering the wound; a body portion provided above the flange portion and above the aperture, the body portion defining a space in which vacuum may exist; and an air bleed provided in a surface of the body portion along a passage within the port that extends substantially parallel to the lower surface of the flange portion in a lateral direction, the air bleed positioned at a location laterally offset from the aperture, wherein the air bleed further comprises a filter element; an aspirant conduit having one end thereof connectable with the port at a location laterally spaced from the air bleed and capable of being operably associated, in use, with the wound cavity; and a vacuum source for applying a vacuum through the aspirant conduit to the wound cavity when in use.