According to the announcement of the State Administration on publishing the classified catalogue of medical devices (No.14 of 217), Medical instruments in China are divided into active surgical instruments, passive surgical instruments, neurological and cardiovascular surgical instruments, orthopedic surgical instruments, radiotherapy instruments, medical imaging instruments, medical diagnostic and monitoring instruments, respiratory anesthesia and first aid instruments, physical therapy instruments, blood transfusion/dialysis and extracorporeal circulation instruments, medical instrument disinfection and sterilization instruments, active implant instruments, passive implant instruments, infusion/nursing and protective instruments, patient carrying instruments, ophthalmic instruments, stomatological instruments, etc.