GB - national standards; national standards are divided into mandatory national standards and recommended national standards.
YYY - pharmaceutical industry standards;
E.g. YY/0645-2018 "Continuous Blood Purification Equipment" (No. 8 of 2018)
YYY/T 0514-2018 "Dental Science Pneumatic Dental Handpieces with Hose Connectors" (No.8 of 2018)
YYY/T 0744-2018 "Special Technical Conditions for Mobile C-Arm X-Ray Machines" (No.8 of 2018)
YYY/T 1600-2018 "Product Families of Medical Devices for Moisture Heat Sterilization and Process Classes" (No. 8 of 2018)
YZB - Standard for Registered Products of Medical Devices.
Expanded Information
The state implements categorized management of medical devices according to the degree of risk.
The first category is low-risk, routine management can ensure the safety and effectiveness of medical devices.
The second category is a moderate risk, need to strictly control the management to ensure the safety and effectiveness of medical devices.
The third category is a higher risk, need to take special measures to strictly control the management to ensure its safety and effectiveness of medical devices.
Commonly used medical devices in hospitals: trauma disposal vehicles, surgical beds, surgical lights, monitors, anesthesia machines, respiratory machines, blood cell analyzers, differentiation analyzers, enzyme markers, plate washers, urine analyzers, ultrasound (ultrasound, ultrasound, etc.), X-ray machines, magnetic *** vibration and so on.
Reference: