CONFIDENTIAL and
PROPRIETARY
INOGEN ONE G3 OXYGEN CONCENTRATOR
TECHNICAL MANUAL
To replace the Product Filter:
1. Use the Cannula Barb Tool (available from Inogen as RP-102) to access the
product filter. The tool has two prongs which mate with two indentations
located on the surface of the metal cannula barb fitting on the Inogen One G2.
2. Carefully remove the cannula fitting by unscrewing it in the counter-clockwise
direction.
3. The filter, a hard plastic disk with a silicone gasket on its outer edge, will be
visible in the recess once the hose barb is removed.
4. Remove the filter, and inspect the recess to make sure it is free of debris.
5. Install a new replacement filter.
6. Carefully screw the cannula barb fitting back into the recess (clockwise) until it
bottoms out on the filter gasket. Take care to squarely screw the nozzle fitting
into the threads, and not to over tighten.
Failure to inspect and replace the product filter may result in the filter becoming
clogged or obstructed over time, and in reduced delivery of oxygen to the patient.
3.1.6. Oxygen Purity Check
The oxygen concentration can be checked using the Salter Labs PrO2 Check ultrasonic
oxygen analyzer. The concentrator should be run for 10 minutes before measuring the
oxygen concentration. If the concentrator has not been used for more than 2 weeks, the
concentrator should be run for a minimum of 30 minutes to allow for adjustments to
the operating parameters prior to measuring the oxygen concentration.
3.1.7. Data Logging
Operating data from your Inogen One G3 concentrator are periodically recorded to flash
memory located within the device. Data is stored for a period of approximately 6-12
months; new data replaces the oldest data as it is collected.
Additionally, the device records errors and system information at the time of the error
which is useful in diagnostics.
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