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Wound covering

  • US 7,928,281 B2
  • Filed: 10/09/2007
  • Issued: 04/19/2011
  • Est. Priority Date: 06/19/1992
  • Status: Expired due to Fees
First Claim
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1. A wound covering for covering and applying a treatment fluid to a wound to be treated, comprising:

  • a peripheral sealing ring defining a cavity to encircle the wound;

    means on a lower surface of the peripheral sealing ring for attaching the wound covering to skin around the wound;

    a barrier layer supported on an upper surface of the peripheral sealing ring, spanning the cavity, to be spaced apart from the wound by the peripheral sealing ring;

    the peripheral sealing ring and the barrier layer together defining a treatment volume in the cavity in which the barrier layer seals the treatment volume over the wound when the wound covering is attached to skin;

    an inlet positioned to conduct treatment fluid over the upper surface of the peripheral sealing ring, into the treatment volume; and

    ,means for exhausting treatment fluid from the treatment volume.

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