SINGLE FILL AND USE SYRINGE

摘要

The syringe comprises a cylindrical barrel (2) and inside the barrel (2) a cylindrical plunger (9) with a resilient base (10) in sealing relation with the barrel (2), the plunger (9) having at least one circumferential groove (13a) and the barrel having an inwardly extending circumferential projection (11) around its aperture (8) such that the projection (11) engages the groove (13a) to prevent withdrawal of the plunger (9).