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ENGLISH
INSTRUCTIONS FOR THE USE
BEGINNING OF THERAPY: (See pict.32 for any reference and position)
N.B.: The following phases are to be carried out with the mask drain free (Not
connected to draining systems).
1. Open the bottles turning the tap counter clock-wise.
2. Choose the little or the big mask according to the patient who has to be treated,
and put it on the nose of thepatient.
3. Make sure the mask fits perfectly the patient’s nose and block it with the relative
running pipe holding device located behind the chair headrest.
4. Make sure the pipes of the mask system do not bend and do not get clogged.
5. The operator has to be positioned so that you have the rubber balloon, the capacity
indicators and the patient under control.
6. Make sure that the N2O % knob indicator (Pict. 32) indicates 0 and administer only
oxygen for about 30 seconds at a 3 Lt./ min. rate of flow by using the upper knob
(FLOW Pos. A).
7. Advice the patient to inspire and expire always by the nose.
8. Feed the gas quantity the patient needs by adjusting the handle “FLOW” (POS.A).
To know the quantity the patient needs watch the balloon (POS.B): when the
balloon is “half-full/half-empty” it means the quantity of gas fed is correct. In order
to make sure let the patient breath for at list one minute.
CHILDREN: usually need 4-5 Lt/min. (around)
ADULTS: usually need 6-8 Lt/min. (around)
9. Once quantified the litres per minute according to the patient and consequently
his/her respiratory volume, administer through the “%” knob (Pos. C) the suitable
percentage of nitrogen peroxide.
10. The columns show the litres of Protoxide and Oxygen supplied. The sum of both
capacities is that initially set according to the patient’s respiratory capacity.
11. Adjust the gases draining valve as shown in the paragraph REGULATING THE GAS
DRAINING VALVE .
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