Prefilled syringe with sterility-preserving cap

摘要

A medicament container has a body having an open mouth defining an axis, a pierceable plug engaged over and sealing the mouth, a ring engaged around the mouth and over the plug and formed with a hole through which an outer surface of the plug is exposed, and a cap engageable around the mouth over the ring and plug. The cap holds an elastomeric element bearing elastically through the hole against the plug outer surface.