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Regional Hyperthermia
Regional hyperthermia is carried out with ring-shaped applicators (antennas which are fed by an amplifier and which irradiate electromagnetic waves). The antennas positioned at the edge of the applicator surround the patient in a circle. The energy coupling is performed via water in the so-called water bolus, a preliminary water stretch for the coupling. Thus the patient is radiated by an array of antennas. In that way it is possible to deposit energy in the depth and to steer the energy. The temperatures reached in the depth are between 40 – 43 °C.
Applicator
Applicators are antennas which are fed by an amplifier and radiate electromagnetic waves (microwaves or radiowaves). Between the applicator and the tumor, a preliminary water stretch for the coupling, the so-called water bolus, must be positioned at any rate.
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