8. Definitions and parameters
User Manual – PhysioGo.Lite Electro page 56 / 96
Unipolar and bipolar sine surge
Sine surge current is an average frequency current with modulated amplitude. The shape of the generated wave
is similar to the interferential current. In the case of a unipolar sine surge current under the electrodes
electrochemical changes occur, as in constant current. Therefore, you must pay special attention to safety during
treatment. It is recommended to use thick pads and it is possible to change the polarity while the treatment is
performed.
Compared to low frequency pulse current and direct current, the sine surge is better tolerated by patients, it also
creates proper conditions for affecting tissues located deeper. The unipolar current can also be used to perform
iontophoresis treatments. Properly selected training programs facilitate the adjustment of signal parameters to
the purpose of therapy and the patient's needs.
Parameters description:
Symbol Description
treatment
Available parameters
Treatment time - 1 – 60 minutes, 1 minute step
-
- Rectangular signal with 4 kHz frequency and duty factor of 50%
Current type
UNI
Unipolar
BI
Bipolar
Basic frequency f_bas Regulation in the range of 1 Hz – 100 Hz, variable step
f_spec Regulation in the range of 0 Hz – 200 Hz, variable step
Frequency
modulation
program
FM
Frequency modulation program is switched off
Hold time of maximum frequency 2 s
Frequency fall time 1 s
Hold time of basic frequency 3 s
Frequency rise time 3 s
Frequency fall time 3 s
Frequency rise time 6 s
Frequency fall time 6 s
Hold time of maximum frequency 6 s
Frequency fall time 6 s
Hold time of basic frequency 6 s
Frequency rise time 12 s
Frequency fall time 12 s
Amplitude
modulation
program or
training
program
AM / PT
Amplitude modulation program is switched off
Hold time of maximum amplitude 3 s
Amplitude rise time 6 s
Amplitude fall time 6 s
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