Therapeutic prostatic thermotherapy

  • US 6,216,703 B1
  • Filed: 08/06/1998
  • Issued: 04/17/2001
  • Est. Priority Date: 05/08/1998
  • Status: Expired due to Term
First Claim
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1. A method of treating a prostate for benign prostatic hyperplasia or prostatitis in a patient having a urethra, comprising elevating the temperature of the prostate to a destination temperature and for a time sufficient to achieve a therapeutic effect on the prostate, the energy being applied with a catheter system comprisinga non-cooled catheter for insertion into the urethra, a heat applicator attached to the catheter. and a connector for connecting the applicator to an energy source, the method comprising a first heating step of warming tissue proximal to the applicator up to an initial temperature, the initial temperature being in the range of about 42°

  • C. to about 46°

    C., followed by a second heating step, the second heating step comprising gradually increasing the temperature of the tissue proximal to the applicator to the destination temperature in the range of from 49°

    C. to about 57°

    C. such that the mean rate of increase in temperature is from about 0.5 minute/°

    C. to about 15 minute/°

    C.

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