×

Self contained wound dressing with micropump

  • US 10,201,644 B2
  • Filed: 09/08/2014
  • Issued: 02/12/2019
  • Est. Priority Date: 09/07/2005
  • Status: Active Grant
First Claim
Patent Images

1. A negative pressure wound treatment apparatus, comprising:

  • a wound dressing configured to be positioned over a wound site, the wound dressing comprising;

    a contact layer comprising a plurality of perforations through the contact layer that allow for fluid to pass there through;

    a capillary layer located above the contact layer configured to allow transmission of fluid away from the wound site;

    an absorbent layer located above the capillary layer configured to form a reservoir for fluid removed from the wound site, wherein the absorbent layer comprises super absorbent polymer material; and

    a cover layer located above the absorbent layer;

    a negative pressure source configured to apply negative pressure to the wound site through the perforations in the contact layer and through the capillary layer and configured to draw fluid from the wound site into the absorbent layer; and

    a pressure indicator configured to indicate a level of pressure within the wound dressing.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×