BARREL FOR PRE-FILLED SYRINGE, PUNCTURE DEVICE FOR PRE-FILLED SYRINGE, PRE-FILLED SYRINGE AND BARREL PACKAGING BODY FOR PRE-FILLED SYRINGE

摘要

On this barrel (2) for a pre-filled syringe, a puncture member (6) can be mounted which is provided with a hollow needle (61) having a needle section on both ends, and with a puncture member body (60) in which the hollow needle (61) is mounted and which has a puncture member-side engagement unit (62). This barrel (2) for a pre-filled syringe is provided with a barrel body (4) comprising a tip (41) with an opening (48), and with a barrel sealing member (5) which seals the opening (48) in the tip (41), houses a sealing member (10) puncturable by one needle section (61b) of the hollow needle (61), and mounts on the tip (41) of the barrel body (4). The barrel sealing member (5) has a puncture member mounting unit (50) where the puncture member (6) can be mounted, and a restricting part which restricts separation from and rotation of the barrel sealing member (5) mounted on the barrel body (4). Furthermore, the barrel sealing member (5) has a barrel sealing member-side engagement unit (53) which engages with the puncture member-side engagement unit (62) by the barrel (2) being pressed from the barrel sealing member (5) into the puncture member (6).