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Surgical mask

2020 Jul 04

Surgical mask refers to the appliance that the doctor wears on the nose and mouth during the operation, which is used to filter the air of the import and export of the nose and prevent harmful gases, odors and droplets.Especially in the prevention and treatment of respiratory tract infectious diseases plays an important role.


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

1. Medical protective masks:

The mask body is divided into three layers: the inner layer is ordinary sanitary gauze or non-woven cloth; the middle layer is ultrafine polypropylene fiber melt-spray material layer; the outer layer is non-woven or ultra-thin polypropylene melt-spray material layer.This highly effective medical protective mask is highly hydrophobic and breathable, and has a significant filtering effect on small virus aerosol or harmful dust.It has the functions of filtering bacteria, blocking the liquid spatter with pressure and protecting the respiratory safety of medical staff.

2. Surgical masks:

The mask is divided into three layers, the outer layer has the function of water resistance, can prevent droplets into the mask;The middle layer has filtration function, which can block & GT;90% of 5 m particles;The inner layer near the muzzle is used for moisture absorption.Surgical masks are suitable for basic protection of medical personnel or related personnel, as well as protection against the spread of blood, body fluids and spatters during invasive procedures. They are highly resistant to bacteria and viruses, and can also be used to prevent influenza.

3. Ordinary medical masks:

Using 2-layer nonwoven cloth as the filter material of the mask, the filtration efficiency of particles and bacteria is lower than that of medical surgical masks and medical protective masks.Mainly in order to prevent the infection between doctors and patients or medical staff inhaled the environment of the bacteria and be infected, the protection of pathogenic microorganisms is also more limited.