The spread of infectious diseases in the population involves the following basic links, that is, the source of infection, the way of transmission, and vulnerable groups. Only a few links play a role at the same time can the chain of infection be formed. Therefore, in the absence of artificial immunological means, isolation wards are the most effective facilities for controlling the source of infection (patients with infectious diseases, pathogen carriers, and infected animals) and cutting off the route of transmission (all factors that play a role in the transmission of pathogens).
Infectious isolation wards protect health workers and patients in other areas from the threat of polluted air by preventing the air spread of pathogenic microorganisms by means of physical isolation, appropriate air distribution and ventilation, and air-conditioning technology. This puts forward multiple requirements for the purification air conditioning system of the whole isolation ward. In particular, the purification and exhaust system of the isolation ward needs to fully consider the functions of efficient filtration, on-site verification, and safety protection.
For use in isolation wards for infectious diseases, Qingzi Nano PTFE filter paper can be used as the core filter material for such purification and exhaust systems.
PTFE membrane plays an indispensable role in cutting-edge fields such as biopharmaceuticals, medical devices, food and beverage, semiconductor manufacturing process, communication, etc. Its pore-forming capacity ranges from 0.1 μm to 1 μm, providing functional solutions such as fine filtration, eliminating bacteria and viruses, waterproof and breathable, and sound permeable.
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