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Classification of medical masks

Release time: 2021-05-06

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Classification of medical masks

An epidemic has made masks a necessity in people's lives. Faced with the various masks on the market, many people are confused. What types of medical masks are there?

KN95 mask


Medical masks are mostly made of one or more layers of non-woven fabrics. The main production processes include meltblown, spunbond, hot air or needle punch, etc., which have the equivalent effect of resisting liquids, filtering particles and bacteria, and are a kind of medical protection. textile. The medical mask is composed of a mask face and a tension band. The face of the mask is divided into three layers: inner, middle and outer. The inner layer is made of skin-friendly material (ordinary sanitary gauze or non-woven fabric), and the middle layer is an isolation filter layer (ultra-fine polypropylene). Fiber meltblown material layer), the outer layer is a special material antibacterial layer (non-woven fabric or ultra-thin polypropylene meltblown material layer).


According to performance characteristics and scope of application, medical masks can be divided into: medical protective masks, medical surgical masks, and ordinary medical masks.


1. Medical protective mask/KN95 mask


Medical protective masks are suitable for the protection of medical staff and related staff against airborne respiratory infectious diseases. It is a kind of close-fitting self-priming filtering medical protective equipment with a high level of protection, especially suitable for exposure to airborne during diagnosis and treatment activities. Or worn by patients with respiratory infections spread by droplets at close range. It can filter particles in the air and block droplets, blood, body fluids, secretions, etc. It is a disposable product. Medical protective masks can prevent most pathogens such as bacteria and viruses. The WHO recommends that medical staff use protective masks against particulates to prevent virus infection in the hospital air.


2. Medical surgical masks

Medical surgical masks are suitable for basic protection of medical staff or related personnel, as well as protection to prevent the spread of blood, body fluids and splashes during invasive operations. The protection level is medium and it has certain respiratory protection performance. It is mainly worn in a clean environment with a cleanliness level of 100,000 or less, working in an operating room, nursing patients with immunocompromised function, and performing body cavity puncture operations. Medical surgical masks can block most bacteria and some viruses, prevent medical staff from being infected, and at the same time prevent the direct discharge of microorganisms carried in the breath of medical staff, posing a threat to patients undergoing surgery. Medical surgical masks require a filtration efficiency of more than 95% for bacteria. Disposable medical surgical masks should also be issued to suspicious respiratory patients to prevent the threat of infection to other hospital personnel and reduce the risk of cross-infection, but the effectiveness of preventing infection is not as good as medical protective masks.


3. Ordinary medical masks

Ordinary medical masks are used to block the sprays exhaled from the oral cavity and nasal cavity, and can be used for disposable hygiene care in ordinary medical environments with the lowest level of protection. It is suitable for general health care activities, such as sanitation, liquid preparation, cleaning bed units, etc., or barrier or protection of particles other than pathogenic microorganisms such as pollen.


To sum up, in a relatively high-risk environment, the masks that can effectively prevent respiratory infections are medical protective masks and medical surgical masks. Medical protective masks, also known as medical KN95 mask, are suitable for use by medical staff in fever clinics, isolation wards, and confirmed patients when they are transferred. Medical surgical masks are suitable for wearing suspected cases. They are worn by public transportation officers and passengers, taxis, drivers, sanitation workers, and service personnel in public places while they are on duty.


Zhongshan Saifute Labor Protective Articles Co., Ltd. is a professional KN95 mask supplier. Our products are of high quality and affordable, welcome to inquire!

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