At present, my country's medical masks are mainly divided into three types: medical protective masks with the highest protection level, medical surgical masks commonly used in invasive operating environments such as operating rooms, and ordinary-level disposable medical masks.

The medical protective mask has a good fit to the wearer's face, can filter particles in the air, block pollutants such as droplets, blood, body fluids, and secretions, and have a filtration efficiency of more than 95% for non-oily particles , Is a personal protective equipment commonly used in response to airborne diseases. Common medical protective masks are arched, butterfly, etc.

Medical surgical masks are commonly used medical masks in operating rooms and other environments where there is a risk of body fluids and blood splashing. They can block blood and body fluids from passing through the mask and contaminate the wearer. At the same time, the filtration efficiency of bacteria is more than 95%, but the filtration efficiency of particles Limited, and mostly rectangular design, the tightness with the face is not as tight as medical protective masks. Common medical surgical masks are strap type, ear hook type, etc.

General-grade medical masks have many names. Medical masks with no protection or surgical words on the name are general-grade medical masks. This grade of masks does not require blood barrier function, and has no tightness requirements, so only It is used in general medical environment. Common general medical masks are mostly ear-hook type, and their appearance is similar to ear-hook surgical masks.

Medical surgical masks: there is the national standard "YYO469-2011 Medical Surgical Masks" industry standard; for medical staff to wear in the process of invasive work, covering the user's mouth, nose and jaw, in order to prevent pathogenic microorganisms, body fluids, particles directly By providing a physical barrier.

Medical masks: There are production technical requirements, some provincial production standards, and the packaging will also be marked; it is used by various clinical personnel to wear during non-invasive operations, covering the mouth, nose and jaw of the user, in order to prevent The direct penetration of pathogenic microorganisms, body fluids, and particulate matter provides a certain physical barrier

The difference between the two medical masks is that the physical barrier function of surgical masks is stronger.

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