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Apparatuses and methods for negative pressure wound therapy

  • US 9,974,695 B2
  • Filed: 09/02/2016
  • Issued: 05/22/2018
  • Est. Priority Date: 12/22/2009
  • Status: Active Grant
First Claim
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1. A negative pressure wound treatment system, comprising:

  • a wound dressing configured to be positioned over a wound and sealed to skin surrounding the wound; and

    a suction adapter comprising;

    a top layer constructed from a liquid impermeable material;

    a bottom layer constructed from a liquid impermeable material;

    a spacer layer located between the top and bottom layers;

    an aperture in the bottom layer in fluid communication with the spacer layer;

    an elongate channel extending between the top and bottom layers containing the spacer layer, wherein the top layer and the bottom layer include enlarged distal ends with the channel extending in a proximal direction away from the enlarged distal ends; and

    a connector comprising a proximal end and a distal end, wherein the distal end of the connector extends into and is in fluid communication with the proximal end of the spacer layer, and wherein a length of the connector rests between the top layer and the bottom layer forming a fluid-tight seal with both the top layer and the bottom layer;

    wherein the suction adapter is configured to attach to the wound dressing and surround at least one aperture formed in the wound dressing.

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