Corresponding to disposable masks, we are not unfamiliar. In places with poor urban environment, we need to wear masks when we go out. Most of them are disposable masks. Medical devices are classified. What kind of disposable masks are?

The first category (I): low risk, the implementation of routine management, can ensure its safety and effective medical devices, such as disposable masks, general inspection equipment, medical electronic equipment, basic surgical instruments, microsurgical instruments, neurosurgery surgical instruments, ophthalmic surgical instruments, etc.

The second category (II): it has moderate risk and needs strict control and management to ensure its safety and effective medical equipment, such as operating room, emergency room, diagnosis and treatment room equipment and appliances, stomatology equipment and apparatus, medical laser equipment and equipment, medical high-frequency equipment, etc.

The third category (III): high risk medical devices, such as implantable cardiac pacemaker, extracorporeal shock wave lithotriptor, invasive endoscope, ultrasonic scalpel, color ultrasound imaging equipment, laser surgery equipment, etc., need to take special measures to strictly control and manage them.