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Reduced pressure wound treatment system

  • US 8,303,552 B2
  • Filed: 03/08/2010
  • Issued: 11/06/2012
  • Est. Priority Date: 04/05/2004
  • Status: Active Grant
First Claim
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1. An appliance for administering reduced pressure treatment to a wound on a body, the appliance comprising:

  • a wound cover positionable over a wound and adapted to maintain reduced pressure under the cover at the site of the wound, the wound cover comprising a rigid or semi-rigid ring sized to surround the wound;

    a flexible membrane configured to contact the wound;

    a port supported by the cover; and

    a pump in fluid communication with the port, wherein the pump is configured to draw wound exudate through the flexible membrane and the wound cover is configured to retain wound exudate in a space between the port and the membrane using an overflow mechanism.

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