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Systems, methods, and devices for restoring lymphatic flow associated with a subcutaneous defect in a patients body

  • US 9,011,393 B2
  • Filed: 10/14/2010
  • Issued: 04/21/2015
  • Est. Priority Date: 12/18/2009
  • Status: Active Grant
First Claim
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1. A method for tissue approximation for a subcutaneous tissue defect which is associated with a surface wound, the method comprising the steps of:

  • deploying a tissue-approximating device over the subcutaneous tissue and the surface wound, wherein the tissue-approximating device comprises;

    a curved member formed from a semi-rigid material and having a first side terminating at an outer perimeter, a tissue-facing side terminating at an inner perimeter, and wherein the tissue-facing side of the curved member defines a concave space extending from the inner perimeter to an apex,a reduced-pressure aperture extending through the curved member in fluid communication with the concave space for receiving reduced pressure from a source of reduced pressure,a flange portion formed by the thickness of the curved member between the inner perimeter and the outer perimeter, and configured to be disposed adjacent intact epidermis,an attachment device coupled to the tissue-facing side of the curved member proximate the reduced-pressure aperture, anda spacer member coupled to the attachment device to form a breathable space between the apex, attachment device, and spacer member, the spacer member having a plurality of flow channels in fluid communication with the reduced-pressure aperture to distribute reduced pressure to the concave space;

    fluidly coupling a reduced-pressure source to the concave space; and

    causing the reduced-pressure source to deliver reduced pressure to the concave space whereby portions of the subcutaneous tissue are approximated.

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