Medical syringes; injection syringes [syringe barrels] for medical purposes; pistons for use with medical syringes; plungers for use with medical syringes; nozzle caps for use with medical syringes; syringe barrels with a needle for medical purposes in the nature of medical injection syringes; caps for syringe barrels with a needle for medical purposes in the nature of medical injection syringes; medical syringes of the type that pharmaceutical preparations are filled before their supply to end users in the nature of prefilled medical syringes; injection solution containers that are loaded and filled in medical syringe barrels in the nature of medical injection syringes and medical cartridge syringes.