What types of medical devices are disposable masks

What types of medical devices are disposable masks?
Disposable masks are Class II medical devices.

According to the ability of masks to prevent dust and poison, it can be roughly divided into 3 categories.

1. Fashionable decorative masks
Can not stop bacteria, viruses, all kinds of fashionable decorative masks, diverse styles, with colorful card e69da5e887aae799bee5baa631333431356130 through patterns. Such masks are amateur-grade masks, and have no other role except to block dust, prevent paparazzi, and keep warm.

2. Gauze mask
Only block the larger dust, such as gauze masks, ordinary disposable masks, disposable medical masks. It is mainly made of ordinary non-woven fabric or several layers of cotton gauze, which complies with relevant registered product standards (YZB). This ordinary-grade mask can only play a certain mechanical barrier to larger dust particles or aerosols, and cannot effectively prevent pathogenic microorganisms such as bacteria and viruses.

3. Professional masks

Can block most bacteria and viruses. These professional-grade masks include medical surgical masks and medical protective masks (such as N95 masks). It belongs to the management of medical devices and has uniform industry or national production standards. Can stop most pathogens such as bacteria and viruses. Therefore, it can effectively prevent airborne or close contact with respiratory tract infections spread by droplets, such as influenza.