The types of medical masks can be roughly divided into three types: disposable medical masks, medical surgical masks, and medical protective masks. Its production processes include meltblown, spunbond, hot air, or acupuncture. The protective performance levels of different types of medical masks are also different. the same.
It is a general-grade medical mask. This type of mask is only used in ordinary medical environments. It does not require the medical mask to have a barrier effect on blood, and there is no requirement for tightness. The common disposable medical masks are mostly earband or Two types of lace-up, similar in appearance to medical surgical masks.
Disposable medical masks meet the relevant registered product standards (YZB), and generally lack the filtration efficiency requirements for particles and bacteria, or the filtration efficiency requirements for particles and bacteria are lower than those for medical surgical masks and medical protective masks.
Medical surgical masks are commonly used medical masks in the operating room and other environments where there is a risk of bodily fluids and blood splashes. They can block blood and bodily fluids from passing through the masks and pollute the wearer. At the same time, the filtration efficiency of bacteria is more than 95%, but the filtration efficiency of particles is limited. And most of them are rectangular design, the degree of closeness to the face is not as tight as medical protective masks. Common medical surgical masks include strap type and ear hook type.
Medical surgical masks must meet the standards of YY0469-2011 "Technical Requirements for Medical Surgical Masks". Important technical indicators include three aspects: filtration efficiency, bacterial filtration efficiency, and respiratory resistance. They are suitable for basic protection of medical personnel or related personnel, and for invasive operations. Protection against blood, body fluids and splashes during the process.
Medical protective masks belong to the N95 mask protection level. It has a good fit with the wearer's face. It can filter particles in the air, block pollutants such as droplets, blood, body fluids and secretions, and filter non-oily particles. With an efficiency of over 95%, it is a commonly used medical protective article for airborne diseases. Common medical protective masks are arched and folded.
Medical protective masks must meet the GB19083-2010 "Technical Requirements for Medical Protective Masks" standard, which is applicable to the protection of airborne respiratory infectious diseases by medical personnel and related staff. The protection level is high. It is also widely used in MERS protection.
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