Mindray PM-50, Operation Manual

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Chapter 6 Maintenance
6.1 System Check
Before using the Pulse Oximeter, perform the following steps.
Check for any mechanic damages.
Check for all cables and accessories for damage.
Check all functions of the Pulse Oximeter to make sure the
Pulse Oximeter is in proper working condition.
If any damage, malfunction or potential safety hazard is found, stop
using the Pulse Oximeter on patients. Contact the biomedicine
engineers of the hospital or our Customer Service immediately.
The overall check of the Pulse Oximeter, including function and safety
check, should be performed by qualified personnel every 6-12 months
(depending on the policy of your institution), and each time after
maintenance.
Any check involving opening the back plate should be performed by
qualified maintenance personnel only. Function and safety check can
also be performed by service personnel of our company.
Warning
Failure to follow a satisfactory maintenance schedule may cause
injury to the patient, operator or cause serious damage to the
device.