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Applicator for microwave radiation treatment

  • US 6,628,990 B1
  • Filed: 04/06/2001
  • Issued: 09/30/2003
  • Est. Priority Date: 08/05/1998
  • Status: Expired due to Term
First Claim
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1. A device for generating localised heating in a selected body tissue, wherein said device comprises an applicator having a source of microwave radiation, the applicator being in the form of a waveguide for microwave radiation extending to one face of the applicator, and an array of retractable needles arranged so as to extend from said one face of the applicator;

  • said one face of the applicator and the array of needles, when extended, defining a volume whose dimensions correspond to those of the tissue volume which is to be heated and the array of needles serving to confine the microwave energy field emanating from the waveguide for application to the volume of tissue to be heated.

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