10 Description of ventilator
In certain indications and in cases where the surround-
ing atmosphere is contaminated, you can switch to
No Air Mix and ventilate with pure oxygen.
The injector unit is switched off when switching
from
Air Mix to No Air Mix. This increases minute vol-
ume which can result in the set pressure limit being
exceeded and a stenosis alarm (Stenosis) being trig-
gered. In this case, set minute volume correspond-
ingly
lower.
In the opposite instance, in other words when
switching from
No Air Mix to Air Mix, the injector
unit is switched on. This reduces minute volume
which can lead to the set pressure limit being
under-
shot
. In this case, set minute volume correspondingly
higher.
You can check the course of the ventilation on
pressure gauge.
2.4 Patient hose system with patient valve
The respiratory gas is routed to the patient via the
patient hose system with patient valve.
The patient hose system with patient valve is de-
signed so that even if the ventilator fails, spontane-
ous breathing is possible, regardless of which
ventilation mode you have selected.
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