The disinfection effect test of the dynamic air sterilizer
used in the ward of Xi'an hospital in Shaanxi-good results The points for attention in the air disinfection test of the dynamic air disinfection machine used in the hospital ward of Xi’an Hospital in Shaanxi ┉Before air sampling, the doors and windows of the disinfected room should be closed in the Xi’an This maintains the airtightness of the room. When there is no movement in the disinfection room of Xi’an Hospital in Shaanxi, the air is still for 10 minutes before air sampling. The height of air sampling before and after air disinfection with a dynamic air disinfector in the hospital ward, Xi’an, Shaanxi The air sampling method of the hospital disinfection room is exactly the same. The disinfection time of the dynamic air disinfection machine in the hospital ward is 2-3h, and the applicable area meets the requirements of the 'Instructions' for the dynamic air disinfection machine used in the hospital ward. The disinfection test methods of Xi'an Hospital in Shaanxi are as follows: 1. The sampling time of the disinfection test with a dynamic air disinfector in the hospital ward ┉ Close the doors and windows of the disinfection room, and the Xi'an Hospital in Shaanxi will conduct air sampling after air disinfection. 2. Settlement method for disinfection test with dynamic air disinfector in hospital wards┉ The air sampling in Xi'an Hospital of Shaanxi Province is 0.8 meters above the ground. When air sampling, Xi'an Hospital of Shaanxi first open the lid of the plate and buckle the lid upside down on the plate. Next, the plate was exposed to the air for 15 minutes. After sampling, the Xi'an Hospital in Shaanxi Province covered the plate with a lid. 3. The sampling method for the disinfection test of the dynamic air sterilizer in the hospital ward┉ The disinfection room of Shaanxi Xi’an Hospital has a disinfection room area of u200bu200bless than 30 square meters. Three sampling points are set on the inner, middle and outer diagonal lines. A sampling point should be set 1 meter away from the wall. For disinfection rooms with disinfection room area of u200bu200bmore than 30 square meters in Xi'an Hospital of Shaanxi, five sampling points are set at the four corners of the disinfection room and the center of the disinfection room. The sampling points arranged in the four corners should be set 1 meter away from the wall. 4. Judgment of the results of the disinfection test of the dynamic air disinfection machine in the hospital ward┉ After the disinfection of Shaanxi Xi’an Hospital, the total number of bacterial colonies in the air in the disinfection room of Shaanxi Xi’an Hospital is less than or equal to 4CFU/'15 minutes, 9cm diameter plate' is judged as The disinfection room is qualified for disinfection. Determination of the extinction rate of natural bacteria in the dynamic air disinfection machine used in hospital wards: Air sampling was carried out in Xi'an Hospital of Shaanxi before and after air disinfection, and the extinction rate of natural bacteria in the air in the disinfected room of Shaanxi Xi'an Hospital was compared before and after air disinfection.
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