Combination Therapy
Only the large ultrasound transducer may be used for combination therapy
in order to maintain sufficient contact area to keep the stimulator current
density to a safe level.
The surface of the ultrasound transducer is internally connected to the B1
terminal of the stimulator patient lead and thus becomes that electrode when
used in combination mode. As the blue wire coming from the B1 terminal on
the patient lead becomes redundant it is advisable to disconnect it during
combination therapy. The B2 terminal becomes the electrode paired with the
ultrasound head and the yellow wires (A1 and A2) become an independent
pair of electrodes on stimulation channel A (or an interactive pair if 4-pole
interferential is selected). If Channel A is not to be used do not turn up its
output (an electrode error warning will appear if this is done in constant
current (CC) mode).
Set up both the ‘Ultrasound’ and the ‘Stimulator’ screens ready for treatment,
touching the back or home buttons after each set-up to return to the Home
screen.
If ultrasound and 4-pole interferential have been set up touching the
Combination button will cause this combination screen to appear:-
This displays the current ultrasound and stimulation settings in condensed
form. A treatment can be initiated by selecting the A and B stimulation
buttons at the bottom of the screen or the Ultrasound button and then turning
up the rotary control. More details of this procedure are described on the next
page.
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