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See Chinese contents: YY/T 0321.2-2021 YY/T 0321.2-2021: Single-use needle for anaesthesia
This Part of YY 0321 specifies the classification and labeling, materials, physical properties, chemical properties, biological properties, marking, packaging, transportation and storage of single-use needle for anaesthesia with a nominal outer diameter of 0.4 mm ~ 2.1 mm. This Part applies to single-use needle for anaesthesia for puncture and drug injection during human epidural nerve block (referred to as epidural anesthesia), subarachnoid space block (referred to as lumbar anesthesia), combined epidural and lumbar anesthesia, and local anesthesia of nerve block.
