1. If there are special respiratory infectious diseases, such as SARS, gas gangrene, anthrax, etc. , the operating room should immediately notify the maintenance department and the infection control office.
2. Maintenance of the purification system in the maintenance room, the operator should adjust and manage the parameters of the purification system in the negative pressure operation room.
3. Replace the filter screen at the air outlet immediately after operation.
4. The personnel replacing the filter screen should do personal protection, wear isolation suits, protective shoes, N95 protective masks and gloves, and then remove the contaminated filter screen for disinfection. After disinfection and treatment. Remove protective materials, put them into double-layer medical waste bags, soak them in 2000~3000mg\L chlorine-containing disinfectant, seal and disinfect them for 24 hours, and hand them over to the medical waste disposal center for treatment.
5. After replacing the pollution filter, do the following work:
(1) Prepare the ozone generator, put it into the operating room and close the door of the operating room. No one is allowed in.
(2) Turn on the ozone generator.
(3) Turn on the air conditioning unit and turn off the fresh air and exhaust.
(4) Start circulating disinfection for 45 minutes.
(5) Turn off ozone disinfection.
(6) Open fresh air and exhaust air 1 hour before personnel can enter the operating room.
(7) Use 2000~3000mg\L chlorine-containing disinfectant to scrub and disinfect the air outlet, and install a new filter screen.
(8) Spray chlorine-containing disinfectant with 2000~3000mg\L for 2 hours, then seal it with double-layer medical waste special bag, collect it by special personnel and send it to the medical waste center.
6. After handling the contaminated items, put on clean clothes and put on new filters.
7. In the process of operation, it is necessary to prevent pollutants from polluting cleaning items and cross-infection, so as to separate cleaning from pollution.