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Dynamic cooling of tissue for radiation treatment

  • US 6,514,244 B2
  • Filed: 01/18/2001
  • Issued: 02/04/2003
  • Est. Priority Date: 01/29/1999
  • Status: Expired due to Term
First Claim
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1. A method for preventing a light flash during radiation treatment of skin having an epidermal tissue region adjacent a dermal tissue region, the method comprising:

  • a) applying a cryogenic fluid to the epidermal tissue region;

    b) directing a gas flow in a general direction of the epidermal tissue region subsequent to step a) to remove at least a portion of the cryogenic fluid; and

    c) irradiating the skin with a radiation beam to treat the dermal tissue region subsequent to removing at least a portion of the cryogenic fluid.

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