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Reduced pressure therapy devices

  • US 8,529,532 B2
  • Filed: 09/26/2011
  • Issued: 09/10/2013
  • Est. Priority Date: 03/14/2007
  • Status: Active Grant
First Claim
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1. A reduced pressure therapy system, comprising:

  • a wound dressing comprising a sealing film, an outlet port, and an adhesive region, wherein the dressing is configured to be affixed around an area of tissue to be treated and create a sealed enclosure;

    a suction apparatus configured to self-create a reduced pressure of at least −

    50 mm Hg, said suction apparatus comprising a chamber with rigid sides, a slidable sealing member configured to sealably slide along said rigid sides, and a mechanism attached to the slidable sealing member and rotatably engaged to the chamber, the mechanism configured to maintain a position of the slidable sealing member at a plurality of positions within the chamber;

    a securing mechanism configured to secure said suction apparatus to a patient independent of the outlet port of the wound dressing.

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