3 Components and functions
42 SA-112-0106V1.0-WEM-GB © F. Stephan GmbH
3.6.2 Patient tube system for children
The patient tube system for adults consists of a Y-piece and a heated 10
mm inspiration and expiration tube.
The colour of the tube fitting for the inspiration tube is red.
It must be connected to the red tube fitting on the patient part.
The neutral coloured expiration tube is connected to the neutral coloured
tube fitting.
The tube is 1200 mm long, 800 mm of which are heated.
The electrical resistance of the tube heating is 26 Ω.
Fig. 37: Tube system for children
At the patient's end of the inspiration tube, the temperature sensor for
controlling the tube temperature is inserted in the tube fitting.
The patient tube system can only be operated with temperature sensor,
because otherwise the opening for the sensor would prevent any build up
of pressure!
The connectors for the heating are plugged into the corresponding sockets
on the ventilator.
To measure the inspired or expired flow, a pneumotachograph type C
make F. S
TEPHAN GMBH must be used together with a patient tube
system for children.
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