One class: through the routine control can guarantee its safety, effectiveness of medical devices, such as surgical instruments knife, scissors, pliers, forceps, hooks, scraping board, medical X-ray film, surgical gowns, surgical hats, examination gloves, gauze bandages, drainage bags and so on.
Class II: through special control can guarantee the safety and effectiveness of medical devices, such as medical suture needles, sphygmomanometers, thermometers, electrocardiographs, electroencephalograms, microscopes, acupuncture needles, biochemical analysis systems, hearing aids, ultrasound disinfection equipment, non-absorbable sutures, condoms and so on.