Medical Category II. Disinfection supplies are not included in the scope of the third category of medical devices. Disinfection supplies mainly include: disinfectants, disinfection equipment, etc., and are mainly managed by the health department. Among them, the three types of medical devices are mainly instruments, equipment and tools that are used directly or indirectly on the human body. Spray disinfection guns belong to the second type of medical equipment. Therefore, disinfection supplies do not involve medical equipment.