Surgery – Truss – Pad
Patent
1985-06-28
1987-06-02
Coven, Edward M.
Surgery
Truss
Pad
128422, 128736, A61N 502
Patent
active
046694757
ABSTRACT:
An applicator for radiating electromagnetic energy to local regions of body tissue where the applicator includes a radiation apparatus that emits electromagnetic radiation into the body tissue and further includes a temperature sensing apparatus that provides an indication of the adjacent body tissue temperature. In an embodiment, the applicator includes a thermistor connected between the center conductor and an outer conductor of a coaxial cable where the center conductor extends beyond the extension of the outer conductor for radiating electromagnetic energy. In another embodiment, a method is provided for operating the radiation applicator including the temperature sensor whereby direct current is provided across the applicator and the resulting direct current voltage is measured. The applicator is then supplied intermittently with high frequency electromagnetic energy. The voltage during the application of energy provides the power output of the applicator and the voltage during the absence of the energy provides a temperature indication of the surrounding body tissue. Still further, an electromagnetic hyperthermia system is provided that includes an electromagnetic radiation source connected to a plurality of radiation applicators that each include the temperature sensors. A control device is interconnected between the radiation source and the applicator that controls the radiation output from the applicators in accordance with the temperatures sensed and with a desired heating pattern.
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patent: 4446874 (1984-05-01), Vaguine
patent: 4448198 (1984-05-01), Turner
BSD Medical Corporation
Coven Edward M.
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