Product Manual

M3A Vital Signs Monitor User Manual SpO
2
Monitoring (Optional)
- 55 -
Prompt message:
Message Cause
Searching pulse SpO
2
sensor may be disconnected from the patient or the monitor.
SpO
2
ALARM OFF The alarm of SpO
2
is turned off.
9.7 Maintenance and Cleaning
WARNING
1 Before cleaning the monitor or the sensor, make sure that the equipment is switched off
and disconnected from the power line.
2 Do not subject the sensor to autoclaving.
3 Do not immerse the sensor into any liquid.
4 Do not use any sensor or cable that may be damaged or deteriorated.
5 The disposable accessories can not be reused.
For cleaning:
 Use a cotton ball or a soft mull moistened with hospital-grade ethanol to wipe the surface of
the sensor, and then dry it with a cloth. This cleaning method can also be applied to the
luminotron and receiving unit.
 The cable can be cleaned with 3% hydrogen dioxide, 70% isopropanol, or other active
reagents. However, connector of the sensor shall not be subjected to such solution.
For disinfecting:
Use a cotton ball or a soft mull moistened with disinfectant to wipe the surface of the sensor, and
then dry it with a cloth. You should use appropriate disinfectant.
Recommended types of disinfectants are:
■ Alcohol: Alcohol Ethanol up to 70%, 1- and 2- Propanol up to 70%.
■ Aldehyde: Glutaraldehyde up to 3.6%.