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Method of treating a body cavity using an endoscopic surgical laser

  • US 5,944,713 A
  • Filed: 09/09/1997
  • Issued: 08/31/1999
  • Est. Priority Date: 02/25/1992
  • Status: Expired due to Term
First Claim
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1. A method of treating a body cavity of a patient, comprising the steps of:

  • a. inserting an optical fiber into the cavity, the optical fiber having a tip at a distal end of said optical fiber;

    b. supplying laser energy to the tip through the optical fiber;

    c. introducing a heat-transfer fluid into the cavity such that the fluid irrigates the cavity and is in heat transfer relationship with the tip;

    d. converting the laser energy to thermal energy by a coating on the tip;

    e. heating the heat-transfer fluid in proximity to the tip by the thermal energy; and

    f. selectably heating the body cavity by the heated heat-transfer fluid.

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