Dräger Medical Fabius Tiro Technical & Service Manual page 36

Fabius Tiro
Figure 21 Spontaneous Breathing (Inspiration) - Typical for Breathing System P/N 4118378 or 4118379
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Spontaneous Breathing: Expiration - Typical for Breathing System P/N
4116398 or 4117529
During expiration, the inspiratory valve remains closed thus preventing the
expiratory gas from flowing back into the inspiratory branch.
The APL valve is open, regardless of its pressure setting.
The expiratory gas flows from the lung through the expiratory hose, the flow
sensor, the PEEP control valve, the expiratory valve, and through the
absorber into the breathing bag. At the same time, new fresh gas flows into
the breathing bag.
6020.002
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Function Description
Revision B Released