21. The optimal placement of the applicators is parallel to each other. Such
an arrangement gives the most effective heating power. Note that in
many cases only a small power is required for the treatment (for
example when treating a brain tumour) which can be regulated by the
output power control or by placing the electrodes in a non-parallel
arrangement. The patient must be between the electrode and counter
electrode placed into the waterbed.
22. Do not wrap the electrode into any textile material for the treatment.
Reduce the thickness of any textile material to minimum between the
electrode and the patient’s skin. Textile quality has an effect on the
tuning frequency which can lead to system error in tuning under the
given circumstances. Ideally, isolate the patient’s skin from the
electrode surface using medical hygienic paper (see detailed
description in Accessories and Appendix 9 for datasheet) – or other
medical hygienic paper with CE mark, between the bare skin and the
electrodes. Any other material can have an impact on the device
tuning.
23. During treatment, relaxing (so called 'alpha') music is suggested for
psychological reasons (faster recovery is possible).
23. This kind of radio-frequency treatment has an effect on the
surroundings. This is why it is important to pay attention to setting up the
treatment system and the furnishing of the treatment room - in which
treatments will take place. Do not install the machine in the vicinity of
any sensitive equipment (ECG, EEG, intensive-care control-monitor,
ultra-sound, video-rectoscopy and/or other sensitive imaging systems,
etc.) without shielding. Shielding is also required to protect the EHY-
2000plus in the vicinity of large electro-magnetic sources and/or high-
power machines (power transformer, X-ray units, NMR, CT, etc. It should
be noted that microwaves could influence the Oncotherm device in
the treatment room and vice-versa. Make sure that these machines are
well shielded.
24. It is optimal if the device is separated from the control-computer. The
central computer should be placed outside the treatment room. An
observation room has to be arranged from where the personnel can
control the patient's treatment.
25. The personnel, responsible for the treatment/equipment, should check
the cables before each treatment. At any doubt about the intact
isolation, stop the treatment and call for an immediate service check-
up.
26. Clean the electrodes before each treatment. Follow the procedure
written in the “disinfecting the accessories” part of this user’s manual.
Alcohol (or its substitute) has to be used for disinfecting.
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