22
For a proper hose connection, tighten the connection nuts with hand without
using a wrench.
Since the ventilator is a high-flow device, if it is connected to a hospital air or
oxygen source, make sure that the source is suitable to supply the required flow
of the device.
If the input oxygen concentration is less than 92%, the device performance may
malfunction.
3-4
Patient Breathing Circuit
Warning
Do not use antistatic or electrically conductive tubing.
Tubing containing oil is highly explosive.
Use only manufacturer approved breathing circuit or tubing.
To prevent any leakage resulting from inappropriate connection of tubes, make tubing
connections securely.
The breathing circuit is composed of the following parts:
Figure 3-1 Patient breathing circuit
As you can see in above figure one part of the breathing circuit is water trap that removes
moisture from the breathing circuit. The water traps need frequent evacuation.
