Regardless of whether it is online or in a pharmacy outside, masks are out of stock in many places. But there are still many people who do not know what kind of mask should be used. After all, there are disposable medical masks, paper masks, cotton masks, activated carbon masks, etc. on the market, and many people are indistinguishable.
In fact, there are not so many types of masks in hospitals, generally only disposable medical masks, medical surgical masks and medical protective masks. So, how to distinguish between disposable medical masks, medical surgical masks, and medical protective masks? What role do they each play?
Generally, these three masks have different technical standards. The "disposable medical mask" is (YY / T0969-2013), and the "medical surgical mask" is (YY0469-2011). The "medical protective mask" is (GB19038-2010) . You can judge which type of mask the product belongs to by checking the execution standards marked on the product's outer packaging, and the respective names will be written on the packaging.
These three types of masks can filter bacteria, but they are different in water resistance and particle filtration efficiency. First of all, disposable medical masks do not have performance requirements for both water resistance and particle filtration efficiency, while medical surgical masks and medical protective masks have requirements. Secondly, the waterproof performance of medical surgical masks is higher than that of medical protective masks, which can prevent the infection of doctors caused by the splashes of blood and body fluids generated during surgery.
Finally, medical protective masks must also have the main functions of surgical masks, including bacterial filtration efficiency and the function of blocking liquid splashes with pressure, as well as respiratory protection, that is, to protect the wearer's respiratory safety. Moreover, the particle filtering efficiency of medical protective masks is higher than that of medical surgical masks.
First of all, disposable medical masks are only suitable for blocking contaminants exhaled by the operator's mouth and nasal cavity during general diagnosis and treatment operations. Even if it is used when there is no invasive operation, clinical hospital staff generally wear such masks at work, which can basically meet the needs of our ordinary people.
Secondly, because of their good waterproof performance and particle filtration efficiency, medical surgical masks are suitable for wearing during surgery, laser treatment, isolation and dental or other medical operations, as well as airborne or droplet-borne diseases or wearing, which mainly meets the surgical operation staff use.
Medical protective masks have good particle filtration efficiency and can effectively filter viruses, so they are suitable for occupational protection when medical personnel are exposed to patients with airborne and droplet-borne diseases or when they are in contact with infectious microorganisms.
For the prevention of this new coronavirus pneumonia, only medical surgical masks need to be worn in daily life, there is no need to wear medical protective masks. If you are in contact with a patient who has been infected with the new coronavirus pneumonia, you need to wear a medical protective mask, such as the N95 mask.