Apparatus for localized heating of a living tissue, using electromagnetic waves of ultra high frequency, for medical applications
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United States of America Patent
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Jan 26, 1982
Grant Date -
N/A
app pub date -
Apr 5, 1978
filing date -
Apr 8, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for thermal treatment of the human body, using electromagnetic waves (200 to 2500 Mc/s) and radiometric receivers for monitoring and possibly controlling the temperature reached by the living tissues. A generator at ultra high frequency delivers a power of about one Watt into a coaxial cable terminated by a probe emitting electromagnetic waves in the organ to be heated by dielectric losses in the medium. A multichannel receiver, switched at intervals, analyzes the radiation reemitted by the living tissues through the probe, then utilized as a receiving antenna. The temperature reached in a region surrounding the probe is deduced therefrom and can be utilized for controlling the power emitted through a servocontrol system.
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