6.1 Cleanliness 清洁度

6.2 Colour coding 色标

6.3 Integrity 正直

6.4 Bond between hub and needle tube 连接牢固度

6.5 Latency of lumen 通畅性

6.6 Needles hub and sheath 针座与护套配合

6.7 Needle point 针尖

6.8 Needle tube 针管

6.9 Needle hube 针座

7.1 Preparation of detection solution 检测液制备

7.2 Limits for acidity or alkalinity 酸碱度

7.3 Total heavy metal content 重金属总含量

8 Biological properties 生物性能