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What is a medical protective mask?

2020-08-11 11:11:47
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What is a medical protective mask?


 

Medical protective masks have the protective performance of surgical masks and particulate protective masks. They are used in hospitals. They can filter particulates in the air and block droplets, blood, body fluids and secretions. They also belong to Class II medical treatment. Device products must comply with the mandatory standard GB19083-2010.


The first version of GB19083 was urgently formulated during the SARS outbreak in 2003, and the old version of the standard was revised in 2010. GB19083 has clear requirements for the filtration efficiency and tightness of the mask, which is similar to GB2626-2006 at this point; medical protective masks are also surgical masks, so it is not allowed to set an exhalation valve to avoid droplets generated by the wearer. The exhalation valve discharges the contaminated surgical wound; many medical protective masks use the blue-green shown on the outside, which is only a habit in the medical industry, and the material on the outside of the mask has a barrier effect on body fluid splashing. In this regard, non-medical Particulate protective masks are usually not considered.

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On the surface, it is difficult to distinguish disposable masks from medical surgical masks. The disposable masks used in hospitals belong to Class I medical devices. The products have a medical product registration certificate. The pharmaceutical industry has no standards for such products, and manufacturers only produce according to corporate standards. Disposable medical masks have no protective function to block body fluid splashing, and the filtering efficiency of droplets is also uncertain, and cannot be used for surgical operations.


Disposable masks are made of non-woven materials, which are very light and thin. They do not need to fit closely to the face when worn, have low resistance to airflow, are comfortable to wear, and are also very cheap. They are usually discarded after use and are widely used Food processing and the production of some electronic devices can prevent operators from contaminating food or workpieces; in hospitals, medical staff will provide patients with respiratory infectious diseases with disposable medical masks for them to use when entering and leaving public areas, which can help reduce the spread of diseases risks of.


As the public's awareness of influenza protection has increased, more and more people have realized that wearing disposable masks can reduce the risk of spreading the disease to family members and colleagues when they have a cold or contract the flu. It is worth promoting of.


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