1. The buffer zones in each area of the operating Department of the operation room should be marked with obvious signs and barriers. The doors in each area should be kept closed, and there are chain devices that should not be opened and started at the same time.
2. To enter the laminar flow operation room, cleanliness areas and clean areas should be replaced by special work clothes with less dust.
3、层流手术室净化在手术中应保持正压状态，洁净区与相邻洁净区的静压差应符合标准(I、II 级> 8pa;III、IV级> 5 pa;洁净区对非洁净区>10 pa.)要求。
3, the laminar flow operation room purification should keep the positive pressure in the operation. The static pressure difference between the clean area and the adjacent clean area should be in accordance with the standard (I, II, 8PA; III, IV > 5 Pa; clean area >10 Pa. in the unclean area).
4, medical personnel should carry out aseptic technology operation on the windward side of the airflow, and the operation of air pollution may be selected on the side of the return air outlet.
5, the laminar flow operation room operation Department's clean air conditioning system should be opened 30 minutes before the operation.
6. The purification temperature of the laminar flow operation room should be controlled at 22 to 25 C, the relative humidity is 40% ~ 60%, the noise is 40~50 decibels, and the average illumination of the operation room lighting is about 500LX.
7. The purified air conditioning system in laminar operation room should be run continuously until the cleaning and disinfection work is completed. The operation time of class I to grade II was 20 minutes after cleaning and disinfection, and the operation time of class III to IV was clean and disinfection work was completed for 30 minutes.
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