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Method and apparatus for generating localized hyperthermia

  • US 5,230,334 A
  • Filed: 01/22/1992
  • Issued: 07/27/1993
  • Est. Priority Date: 01/22/1992
  • Status: Expired due to Fees
First Claim
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1. Apparatus for generating controlled hyperthermia in a selected hyperthermia zone in a target region of tissue in a body, the apparatus comprising:

  • ultrasound generating means for generating ultrasound;

    propagation means, in acoustical communication with said ultrasound generating means, for directing the ultrasound into said target region; and

    frequency control means for selecting a plurality of frequencies of said ultrasound, from a range of about 20 MHz to 500 MHz, such that said plurality of frequencies constructively interfere within said tissue to deposit acoustic energy at a selected location within said target region.

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