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Hospital operating room air purification system

The air pressure in the operating room varies according to the cleanliness requirements of different areas (such as operating room, sterile preparation room, brushing room, anesthesia room and surrounding clean area, etc.). Different levels of laminar flow operating rooms have different air cleanliness standards. For example, the US Federal standard 1000 is the number of dust particles ≥0.5μm per cubic foot of air, ≤1000 or ≤35 particles per liter of air. The standard for class 10000 laminar flow operating room is the number of dust particles ≥0.5μm per cubic foot of air, ≤10000 or ≤350 particles per liter of air. And so on. The main purpose of ventilation in the operating room is to eliminate the exhaust gas in each working room; Ensure the necessary amount of fresh air in all workplaces; Remove dust and microorganisms; Maintain necessary positive pressure in the room. There are two mechanical ventilation modes that can meet the ventilation requirements of the operating room. Mechanical air supply and exhaust: This ventilation mode can control the number of air exchange, air exchange and indoor pressure, and the ventilation effect is better. Mechanical air supply and natural exhaust are used, and the ventilation and frequency of this ventilation method are limited, and the ventilation effect is not as good as that of the former. The cleanliness level of operating room is mainly distinguished by the number of dust particles and biological particles in the air. Currently, the most commonly used is the NASA classification standard. Purification technology through positive pressure purification supply air flow control cleanliness to achieve the purpose of sterility.


Post time: Oct-29-2022

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