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Tissue treatment method

  • US 6,629,974 B2
  • Filed: 02/13/2002
  • Issued: 10/07/2003
  • Est. Priority Date: 02/22/2000
  • Status: Expired due to Term
First Claim
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1. A method of skin treatment, comprising the steps of:

  • providing a gas conduit including at least two electrodes;

    delivering at least one pulse of radio frequency power to at least one of said electrodes in order to create an electric field between at least two said electrodes;

    passing gas through said electric field in order to form plasma from said gas; and

    emitting said plasma from the gas conduit such that it is applied to a surface of skin, wherein the application of plasma to the surface of skin causes denaturation of collagen within collagen-containing tissue beneath the skin surface without causing the complete removal of epidermis at said surface of skin.

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