The first category is a low degree of risk, the implementation of routine management can ensure the safety and effectiveness of medical devices such as surgical instruments (knives, scissors, pliers, deterrent clips, needles, hooks), Xinjian apparatus (without electricity), reflector, reflective light, medical magnification, (Chinese medicine) scraping boards, ointments, breathable adhesive tape, surgical gowns, surgical hats, examination gloves, fluid collection bag, and so on. The second category is the medical devices with medium risk, which need to be strictly controlled and managed to ensure their safety and effectiveness, such as sphygmomanometers, thermometers, electrocardiographs, electroencephalograms, surgical microscopes, acupuncture needles (for traditional Chinese medicine), hearing aids, skin staples, condoms, condoms, sterile medical gloves, software for sleep monitoring systems, ultrasound three-dimensional system software, and pulsatility software, etc. The third category is those with higher risk. The third category is the medical devices with high risk, which need to take special measures to strictly control and manage to ensure their safety and effectiveness, such as pacemakers, external counterpulsation devices, vascular endoscopes, ultrasonic tumor focusing knife, high-frequency electric knife, microwave scalpel, medical magnetic **** vibration imaging equipment, Drill 60 treatment machine, positron emission tomography (PECT), implantable devices, implantable artificial organs, vascular stents, intravascular catheters, disposable medical devices, and other medical devices. stents, intravascular catheters, single-use infusion sets, blood transfusion sets, etc.