Device for localized heating of biological tissues
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United States of America Patent
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-
May 6, 1986
Issued Date -
N/A
app pub date -
Mar 27, 1985
filing date -
Jun 26, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for therapeutic heating by hyperthermia comprises an emitter which focuses ultrasonic radiation into biological tissues and produces localized heating, especially for the treatment of tumors. The radiation emitter consists of a piezoelectric plate subdivided into annular radiating zones of equal width by a set of concentric circular grooves.
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