ULTRATHERM 908i
17
gbo Medizintechnik AG 2004
Version 1.6
After the clock is set it starts automatically when dosage knob
(17)
is shortly turned to the right,
display
„Ab"
fades and the selected treatment time appears again on display
(14).
During the
treatment the remaining time is shown on display
(14).
The end of the programmed time is
acoustically signalled. This signal is constantly repeated every minute until dosage knob
(17)
is
reset to 0 (turn to the left).
3.7
Setting the dosage
After the settings described in subparagraphs 2.3, 2.4 and 2.6 have been completed the dosage
can be selected with dosage knob
(17).
Before the automatic tuning process can start the
„MODE“ and the „APPLICATOR“ have to be selected. An incomplete setting results in the error
message
„FEO“
appearing on „Dosage“ display
(15).
Cancel the error message by turning the
dosage knob to the left and complete the setting. Keep in mind that the dosage is to be only
selected with the applicator(s) correctly adjusted to the patient’s body and connected to the
therapy unit according to subparagraphs 2.5. Dosage knob
(17)
has no right and left stops.
Turning to the right increases the dosage in dependence on the dosage range in the following
steps per lock point:
Up to
30 W in
3-W steps
From
30 W to
90 W in
5-W steps
From
90 W to
200W in
10-W steps
This applies for both the continuous and pulsed modes of operation.
In order for the therapy unit to deliver the high frequency dosage level selected with dosage knob
(17)
it is automatically tuned to the patient data after a short right turn of dosage knob
(17).
During this process the tuning symbol
„Ab"
appears on the „Treatment time" display
(14)
instead of the treatment time. No further operator settings are accepted by the unit in this time
period. Termination is only possible by pressing
„RESET"
button
(2).
The effect of the tuning
process is shown on the display „Coupling to the patient"
(16).
The best RF power transfer to the
patient is achieved when display
(16)
is totally lit. As the tuning takes place with minimum
dosage the position of the applicator(s) to the patient can be changed during this process to
enhance the dosage transfer. After the tuning process is terminated the treatment time is shown
on display
(14)
again and, starting at this moment, the actual output power (dosage) is shown on
display
(15).
The tuning process can be repeated by turning dosage knob
(17)
to the left down to
„0" and subsequently turning it to the right again. The dosage can then be increased to the desired
level by turning dosage knob
(16)
further to the right.
The display shows first the selected dosage. After the tuning it changes to the actual value. Then,
this dosage level is stored and automatically readjusted by the therapy unit in case the patient
moves or the mains voltage fluctuates. Thus, any accidental increase of the dosage due to patient
movements is safely avoided, too.
