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Hyperthermia apparatus

United States Patent

April 18, 2000
View the Complete Patent at the US Patent & Trademark Office
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A hyperthermia apparatus, suitable for transurethral application, has an energy radiating element comprising a leaky-wave antenna. The leaky wave antenna radiation pattern is characterized by a surface wave which propagates along an aperture formed by openings (small in comparison to a wavelength) in the outer conductor of a transmission line. Appropriate design of the leaky wave antenna produces a uniform, broadside pattern of temperature elevation that uniformly heats all or part of the periurethral tissues.
Larsen; Lawrence E. (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
08/ 904,220
July 31, 1997
This invention was made with Government support under Contract DE-AC0494AL85000 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.