70
regulations, and cannot be discarded in a normal way.
Please take out the battery if the system is not used for a long period.
It is recommended that the stored battery is charged once every 6 months.
7.7 Maintenance of the oxygen sensor
Refer to the section
3.5
to disassemble the oxygen sensor.
Warnings:
During cleaning and setup, inspect the seal ring for damage, replace immediately as
necessary.
In order to prevent the leakage of the patient circuit, when disassembling and
installing, please pay attention to avoid the damage of the components, to ensure the
correctness of the installation, especially to remember the installation of the seal ring.
When cleaning and sterilizing, make sure that the disinfection method to all parts is
the effectiveness and applicability.
If any operation will induce danger to the patient, like change the O
2
sensor, then
should disconnect the tube between the ventilator and the patient.
The exhausted O
2
sensor must be replaced or discarded according to the local
regulations, don’t discard the obsolete O
2
sensor in a normal way.
The O
2
sensor is a sealed part, it contains corrosive liquid which can burn the skin
and eyes badly. If touches the skin carelessly, you should flush with clean water at
least 15 minutes immediately and be treated by a doctor, especially when the
corrosive liquid touches the eyes.
Check the O
2
concentration value from set value and measured value, if value has a
large deviation, calibration is required only by the authorized serviceman of the
company.
After replace the Oxygen sensor, it must be calibrated by the authorized serviceman.
