The laminar flow clean operating room of modern hospital should be operated continuously for more than 24 hours when it was first used. It can be put into operation only after two times of air training. Before operation, the staff of each department should be trained to know and master the matters needing attention in the laminar flow clean operating room of modern hospital skillfully.
When an operation is needed, the air conditioning system should be operated one hour before the operation, and the surface and ground of the articles should be cleaned. After the operation, the operation should be continued for half an hour to ensure the air quality in the operating room. Clean air conditioning system should be maintained regularly and irregularly by professionals, following the instructions of the equipment, and working out operation manual with inspection and record, especially for air handling units and fresh air units, to keep clean, filter replacement and cleaning, etc. Among them, the crude filter of fresh air unit should be cleaned every two days; the crude filter should be replaced every January to February; the intermediate filter should be checked every week and replaced every three months; the sub-high efficiency filter should be replaced every year; the end high efficiency filter should be checked every year, when the resistance exceeds 160Pa of the initial design resistance or has been used for more than three years; the medium efficiency filter in exhaust fan group should be replaced. Replacement every year. At the same time, regularly check the return air filter, it is advisable to clean once a week and replace it once a year. In case of special pollution, replace it in time and wipe the inner surface of the return air with disinfectant.
In addition, the humidity and temperature in the operating room should be strictly controlled. The temperature should be kept between 24 and 26 degrees Celsius, and the humidity should be kept between 40 and 60 percent.
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