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Prevention and treatment of skin and nail infections using germicidal light

  • US 7,306,620 B2
  • Filed: 06/17/2005
  • Issued: 12/11/2007
  • Est. Priority Date: 02/11/2002
  • Status: Expired due to Fees
First Claim
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1. A method of treating a microbial infection in a patient, comprising:

  • evaluating the infection;

    calculating an amount of energy required to inactivate microbes in the infection;

    calculating an amount of the light of about 100 nm to 400 nm that is required to achieve the amount of energy, wherein calculating includes taking into account at least depth of area with the infection through which the light must be transmitted; and

    administering the amount of light to the infection, wherein the intensity of the light at least substantially inactivates microbes in the infection and wherein no light absorbing substance is added to the microbes.

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