ISO International Standard

ISO 21533:2018 specifies requirements and test methods for reprocessable cartridge syringes intended for intraligamentary injections.

ISO 21533:2018 specifies requirements for cartridge syringes with ISO metric thread sizes, and only intended for intraligamentary injections. However, attention is drawn to the existence of a variety of syringes with imperial thread sizes (see Annex A).