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EN109-1435752-42 Page 8 of 29
5.3 Dosage
As long as the rules of treatment are adherent to, no harm will be incurred by patients as the result of
microwave radiation. As the blood circulation increases strongly in the region the generated warmth is
quickly dissipated and there is no built-up of heat. Injuries can be sustained only as the result of gross
errors of treatment (heavy overdose), exactly as with any other form of physical or medical therapy.
In practice 4 levels of sensitivity to heat can be distinguished:
• Imperceptible heat – skin heated to just below the heat sensitivity threshold. Set dosage so that
warmth is just barely perceptible, then reduce it by a few scale divisions.
• Slight heating – just perceptible warmth
• Comfortable warmth – pleasant, easily tolerable feeling of warmth
• Hot – just tolerable, almost burning feeling of warmth
The decisive factor for all dosage calculations must be the patient’s own sensitivity to heat.
During the first treatment of a series, the patient should be asked immediately about his subjective
feeling.
• Always set the dosage according to the individual patient and never in accordance with a
fixed scheme.
• Every patient has a different susceptibility to warmth and this generally reaches a steady state
only after about 5 minutes.
• The patient’s sensitivity to warmth may vary during the course of a treatment (adaptation).
• The patient must be asked to report an increase of the warmth sensation. The dosage must
then be reduced.
• The dosage must not be increased under any circumstances as a result of any lessening of
the feeling of warmth during treatment.
• When sensibility disorders is suspected the subjective warmth perception of the patient is
checked by means of the skin temperature. In order to avoid overheating in such cases, the
dosage must be adjusted with extreme care. Apply only small doses for short periods to the
treatment zone.
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