6300A Operator’s Manual
- 16 - NewTech Medical Limited
6 CLEANING
AND
MAINTENANCE
6.1 General
principle
Generally, the gas in the inspiration circuit (the part before the humidifier) is dry and clean, and
flows to the patient with a certain velocity, so it is unsuitable for the bacteria to grow. While the gas
in the expiration circuit is from patient, it is humid, and some patients have infectious disease,
which is easy for the bacteria to increase, so the cleaning and disinfectant operations are specified
in principle as follows.
6.1.1 Non-infective
patient
Just conduct disinfectant for the connectors such as patient circuit (silicon rubber threaded pipe),
water trap and Y joint out of the airway for each patient. The disinfectant method can be fumigating,
infection liquid soaking or high-temperature sterilization, decided in accordance with the hospital's
conditions.
6.1.2 Infective
patient
Besides conducting disinfectant for the patient circuit, the gas delivery element (in the airway tank)
of the expiration circuit should also be disinfected so as to avoid cross infestation between patients
and prevent the ward from being polluted so that the health of staffs is affected. Refer to the above
for the disinfectant method. But the flow sensor should be paid special attention, as it is precision
and damageable part. For disinfectant, it is better to soak it in alcohol for an hour, and then dry it.
While soaking, the plug part of the sensor should be upward and exposed in the air, it will be OK if
the alcohol height can drown the ventilation hole. When positioning the disinfected sensor, pay
attention to positioning the side marked with arrowhead upward (the arrow head means the flow
direction).
6.1.3
Surface cleaning and sterilization
Clean the machine's panel and all surfaces with soft cloth soaked with the soluble sterilizing agent.
The formation and preparation of the agent must be done in accordance with the direction given by
the manufacturer. One must prevent the sterilizing agent drops from entering the anesthetic
machine and the misusage of organic agent for cleaning the machine.
6.1.4 Expiratory
valves
cleaning
Dismount the cover of the expiratory valves by rotating it counter clockwise, then clean all parts of
them with the gauze socked with water soluble sterilizing agent, after all parts cleaned and dried
recover it in original integration. Then one must check the leakage and the movement of the
expiratory valves in accordance with the required regulation and checking procedure. Please
handle all parts with care preventing any damage.
