User Manual for Multi-parameter Patient Monitor North-vision Tech. Inc.
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Chapter 9 Maintenance
The multi-parameter patient monitor should be properly maintained to ensure its maximum performance and
long service life. In addition to the warranty period of one year, the company also offers long-term service for each
customer.
It is important that the users read and follow the operating instructions, important information and maintenance
measures.
9.1 Protective Maintenances
Before using the monitor, the checks below should be carried out:
Check the monitor for any mechanical damage;
Inspect the exposed parts and the inserted parts of all the leads, and the accessories;
Examine all the functions of the monitor that are likely to be used for patient monitoring, and ensure that
it is in good working condition;
Make sure that the monitor is grounded properly.
Pay close attention to the fluctuation of the local power supply voltage. A manostat is recommended
when necessary.
In case any indication of damage about the function of the monitor is detected and proven, it is not allowed to
apply it to the patient for any monitoring. Please contact the local dealer or our company, and we are to offer the best
solution as soon as possible for your satisfaction.
After each maintenance or the yearly maintenance, the monitor must be thoroughly inspected by qualified
professional, including function and safety examinations.
If the hospital fails to carry out a satisfactory maintenance program about the monitor, it may get
disabled and harm the patient’s safety and health.
In case of ECG leads damage or aging, please replace the lead.
If there is any indication of cable and transducer damage or they deteriorate, they are prohibited
from any further use.
The adjustable units in the monitor such as potentiometer are not allowed to adjust without
permission to avoid unnecessary failures that affect normal application.
It is recommended to use the battery once a month to ensure its strong power supply capacity
and long service life, and recharge it after run out of the power volume.
9.2 Battery Maintenance
Please pay attention to the polarity of battery, do NOT insert it into battery compartment with
reversed polarities;
Do NOT use the batteries manufactured by other companies, if being inserted, the device will may
be damaged;
