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Common operating room laminar flow ceiling types
Common operating room laminar flow ceiling typesClass I laminar supply ceilingClass I laminar ventilation ceiling is called the "king" in the field of operating room purification, with the most stringent purification standards and excellent performance. It uses an efficient air filtration system, usually equipped with a primary effect, medium effect, and high-efficiency three-stage filter, which can filter more than 99.99% of dust particles with particle size ≥0.5μm in the air, and can also filter more than 99.99% of bacterial spores with particle size ≥0.3μm. This means that it can almost perfectly filter out almost all dust, microorganisms, and other harmful pollutants in the air, creating a spotless, nearly sterile environment for the operating room. In practical applications, Class I laminar ventilation ceiling is mainly suitable for those surgeries that require extremely high surgical environment, such as cardiac surgery, neurosurgery, organ transplant surgery, and so on. Take heart bypass surgery as an example, during which the heart is temporarily stopped and blood vessels are rebuilt under cardiopulmonary bypass. At this time, the patient's body resistance is greatly reduced, and any small bacteria may cause serious infection, endangering the patient's life. The Class I laminar ventilation ceiling can ensure that the operating area is always in a spotless environment, providing a solid and reliable guarantee for the successful implementation of the operation. Class II laminar supply ceiling Class II laminar ventilation ceiling finds the right balance between purification efficiency and cost and is the ideal choice for many medical institutions when performing routine operations. It is also equipped with a perfect air filtration system, which can effectively remove dust, bacteria, and other pollutants in the air. The filtration efficiency of dust particles with a particle size of ≥0.5μm can reach more than 99.9%, and the filtration efficiency of bacterial spores is also high. For most routine surgeries, such as general surgery, obstetrics and gynecology surgery, orthopedic surgery, etc., the clean environment provided by the Class II laminar ventilation ceiling can fully meet the requirements of surgical cleanliness. For example, in cesarean section, although the difficulty of the operation is lower than that of cardiac surgery, a clean environment is also needed to protect the health of the mother and the newborn. Class II laminar ventilation ceiling can effectively reduce the microbial content in the operating room, reduce the risk of postoperative infection, and ensure the safety of mother and child. At the same time, compared with Class I laminar ventilation ceilings, Class II laminar ventilation ceiling has certain advantages in equipment cost and operating cost so that more medical institutions can afford it, so it is widely used in all kinds of routine surgery. Class III laminar supply ceiling Based on ensuring the basic cleanliness of the operating room, the III laminar flow ceiling has become an important choice for some medical institutions because of its stable and reliable performance and relatively reasonable cost. Through scientific air filtration and airflow organization design, it can effectively filter most of the dust and bacteria in the air, and the dust particle filtration efficiency of ≥0.5μm can reach about 99%, providing a relatively clean air environment for the operating room. In some surgeries that require relatively less cleanliness, such as some common surgeries in ophthalmology and dermatology, the Grade III laminar ventilation ceiling can play its stable performance advantages. Taking cataract surgery in ophthalmology as an example, although the surgical process is more delicate, compared with the operation of important organs such as the heart and brain, the requirements for environmental cleanliness are slightly lower. The clean air provided by Class III laminar flow ventilation ceiling is enough to meet the basic demand for air cleanliness during surgery, and its low cost also reduces the economic burden of medical institutions, making this type of ventilation ceiling widely used in some basic medical institutions or specialized hospitals. |
