Operator Exposure to Radiofrequency Fields Near a Hyperthermia Device

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Abstract
Radiofrequency-induced hyperthermia has recently gained acceptance in cancer therapy. One of a few commercially available systems is the Magnetrode, a device operating at 13.56 MHz with an output power up to 1000 W. Heating of the prescribed part of the patient''s body is accomplished by 1 coil electrode. To assess exposure to the operator of the device, the intensities of the electric and magnetic fields in the vicinity of 3 Magnetrode coils were measured, while a human phantom or a human being was in the coil. Exposure to the device operator was compared with the recommendations of the Canadian safety code and the recent ANSI [American National Standards Institute] recommendations.

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