6. Use the sterile gauze dipped in RO/DI water to clean the product to ensure that all traces of
detergent are removed.
7. Repeat Steps 1 to 7 until the Digital Video Monitor is clean.
7.2. Disinfection
1. Disinfection Solution: isopropanol (or alcohol) concentration 70–80%;
2. Preparation: add 80 cc of 95% isopropanol (or alcohol) to 20 cc of purified water (PURW) (or use
the EPA registered medical disinfectant wet wipes containing at least 70% isopropanol; all the
appropriate safety precautions and manufacturer’s instructions must be followed).
3. Use a piece of sterile gauze dipped in the alcohol mixture described above to wipe the surface of
the product for about 15 minutes (approximately once every 2 minutes). The isopropanol should be
handled according to appropriate safety procedures. The gauze should be moist without dripping
because any liquid may impair the electronics inside the product. Always pay close attention to the
buttons, housing, slots and gaps on the product. Sterile cotton swabs should be used for the
disinfection in these areas.
8. Maintenance and Disposal
8.1. Storage
After being cleaned and disinfected, the product must be subjected to the pre-inspection procedures
described in Chapter 5. The product must be stored during the period between two operations
according to local guidelines and the storage environment requirements in this manual.
8.2. Battery Maintenance
In order to extend the service life of the battery, it is recommended to fully charge the product at least
once every three months. The battery can last over 6 hours. The temperature range during charging
should be controlled within 10–35 °C.
If the battery needs to be replaced, never refit any accessory of the product at will, and instead,
contact your local dealer or Vathin Medical.
8.3. Returning the Digital Video Monitor for Repair
Vathin Medical shall have the right to request the technical department or equivalent at the customer's
site to repair the product under the proper guidance of Vathin Medical. Any defective Vathin Digital
Video Monitor must be disposed of by the person authorized by Vathin Medical. Circuit diagrams,
component part lists, descriptions, calibration instructions, or other information are available on
request by authorized SERVICE PERSONNEL.
In order to prevent infection, it is strictly forbidden to transport contaminated medical equipment. The
medical equipment must be disinfected on site before being shipped to Vathin medical. The cleaning
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