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Methods for preparing a skin graft without culturing or use of biologics

  • US 8,926,631 B2
  • Filed: 08/06/2010
  • Issued: 01/06/2015
  • Est. Priority Date: 08/06/2010
  • Status: Active Grant
First Claim
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1. A method of skin grafting, the method comprising the steps of:

  • providing a device comprising a frame, a removable lid, a negative pressure chamber, an orifice plate fitted to an end of the chamber and having a plurality of openings through which skin blisters can be raised into an interior of the chamber, and a cutter integrated within the frame and being movable within the frame;

    said removable lid having a port for coupling to a vacuum source for application of a negative pressure to said chamber, wherein said lid is fitted with a viewing lens for observing the interior of the chamber;

    contacting the device to skin at a donor site;

    applying a negative pressure to the chamber to raise portions of the donor site into said openings of the orifice plate so as to form a plurality of blisters;

    observing the blister formation through said viewing lens; and

    actuating the cutter to harvest the blisters.

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