- May 18, 2018 -
Medical and health industry is a very large and special industry, and its cleanliness requirements for air clean rooms are also very high. In general, the minimum requirement for air at hospital
is to use a combination of a prefilter with an efficiency of 30% and a final filter with an efficiency of 90%. In general, HEPA filter is not required, but in special places such as isolation rooms, specific test and care areas, HEPA filters are required.
Many of the hospital's HVAC systems use 100% of outdoor air, which is a good strategy to prevent patients from cross-contaminating suspended microorganisms in the HVAC system. However, 100% use of outdoor air does not eliminate the growth of microorganisms in air filter media and their adverse effects on the care environment. Therefore, many hospitals are still in great need of advanced HVAC systems.
The clean room of the health system was first used in the operating room. In the beginning it was only widely used in orthopaedic surgery because of the length of orthopedic surgery and the proneness to infection. The ideal level of control is air cleanliness in the vicinity of the operating table reaches Class 100. It is generally recommended to use the top HEPA high-efficiency filter to provide a Class 100 ceiling filtration system to achieve a true Class 100 clean room in the surgical area;
Other areas in which medical cleanrooms are used include clean room laboratories, material supply clean rooms, ICU clean operating rooms, nurseries, burn rooms, and cardiac care units. One of the latest developments is the use of dental surgery cleanrooms, which reduces the risk of infection of patients and medical personnel during long-term surgery.
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