Dongguan mask machine manufacturers introduce the role and application of medical masks
The scope of application of medical surgical masks, pathogenic microorganisms such as bacteria or viruses are often attached to fine dust particles, or form aerosols, and inhaled through the respiratory tract to infect the body. The medical surgical mask has a bacterial filtration efficiency of> 95.0% and a non-oily particle filtration efficiency of> 30.0%. Therefore, the medical surgical mask can block most bacteria and a part of viruses, which can not only prevent the medical staff from being infected, but also prevent the infected person from Pathogens spread outside.
The surgical mask produced by the medical mask machine has a certain liquid barrier performance and can block the splash of blood, body fluids, secretions, etc. Therefore, medical surgical masks should be worn in the following situations: when working in the operating room, performing aseptic procedures, or caring for patients with low immune function, prevent medical staff from transmitting pathogens to patients; performing body cavity puncture, there may be blood, body fluids, secretions, etc The protection of medical personnel during the invasive operation; the protection of staff with relatively dense personnel, such as outpatient guides or consultation offices, elevators, emergency departments, etc .; patients with respiratory infectious diseases.
The scope of application of medical protective masks conforms to the national standard (GB19083-2003) of medical protective masks. The highly efficient particle filtration efficiency of> 95.0% determines that it can block airborne infection factors with a diameter of less than 5 μm or close contact with me Foam spreads infectious agents.
Medical protective masks can prevent most pathogens such as bacteria and viruses. Therefore, when contacting patients with respiratory infections that are spread by air or close contact with droplets, or working in high-risk areas where respiratory infections are spread, medical staff such as fever clinics and respiratory clinics should wear medical protective masks. Studies have shown that medical protective masks cannot effectively prevent the spread of pathogens to the outside world, so they are not suitable for wearing by patients with respiratory tract infections.
The scope of application of ordinary disposable masks and gauze masks Ordinary disposable masks or gauze masks can only play a certain mechanical barrier to large dust particles or aerosols, and cannot effectively prevent bacteria, viruses and other pathogenic microorganisms. Therefore, it is only applicable to general medical activities, such as nurses dispensing liquids, cleaning bed units, etc.
In summary, various medical masks have their own characteristics and technical standards, which determine its protective effect.