Warnings
User Manual 1-7
DMR V4C 3.3 (User Manual) V-4 06-May-2022
WARNING:
Do not expose the V4C-O2E Oxygen Mixer to direct sunlight for prolonged periods of time.
WARNING:
Avoid using the V4C-O2E Oxygen Mixer, if possible, in dusty environments. Dusty environments
may require more vigilant monitoring, cleaning, and/or replacement of air intake filter and other
filters.
WARNING:
Wait for the device temperature to stabilize before using it after a transport or storage period.
1.2.5 Warnings Regarding Oxygen Supply
WARNING:
The hose connecting the V4C-O2E Oxygen Mixer to the oxygen source is designed exclusively for
use with medical-grade oxygen. Under no circumstances should the oxygen hose be modified by
the user. In addition, the hose must be installed without the use of lubricants.
WARNING:
Ensure that the gas connection is medical-grade oxygen. Never use a gas other than oxygen with
the V4C-O2E Oxygen Mixer.
WARNING:
Ensure the oxygen supply delivers a pressure and flow rate within the ranges stated in Section 2.7,
Specifications. Providing oxygen outside of the specified range may affect the breath delivered to
the patient. Never exceed the maximum pressure specified.
WARNING:
To avoid injury to the patient and/or possible damage to the V4C-O2E Oxygen Mixer: before using
the V4C-O2E Oxygen Mixer, use appropriate equipment to regulate the oxygen supply to
specifications before connecting the V4C-O2E Oxygen Mixer to the oxygen supply.
WARNING:
Ensure sufficient supply of oxygen is available for the duration of ventilation.
WARNING:
If the oxygen supplied to the V4C-O2E Oxygen Mixer is less than 100% O
2
the maximum FiO
2
delivery will be decreased.
WARNING:
Turn off or disconnect oxygen supply when the V4C-O2E Oxygen Mixer is not in use.
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