66 Instructions for use | Oxylog VE300 SW 1.n
Operation
7.6 O2/air mix
The inspiratory oxygen concentration FiO2 can be set to O2/air mix independent of
the ventilation mode. With O
2/air mix, ambient air is drawn in by the injector
principle of the device to achieve an FiO
2 concentration of approx. 40 %.
However, the O
2 concentration which can be realized depends on the mean airway
pressure and the inspiratory flow. The O
2 concentration can never be below 40 %.
This is demonstrated in the following schematic diagrams:
O
2 concentration which can be realized at a mean airway pressure of 5 mbar
(5 cmH
2O)
O
2 concentration which can be realized at a mean airway pressure of 15 mbar
(15 cmH
2O)
O
2 concentration which can be realized at a mean airway pressure of 30 mbar
(30 cmH
2O)
333133331433315
2
)ORZ
/PLQ
2 I)ORZ3DZ
)ORZ
/PLQ
2
2 I)ORZ3DZ
)ORZ
/PLQ
2
2 I)ORZ3DZ
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