Taisei Kako Co., Ltd.

Norihiko Asahi

Taiji Horita

Kensuke Taniguchi

Ippei Matsumoto

Akemi Sasaki

Takeshi Karasawa

A barrel with a cap, a pre-filled syringe, and a cap with a connector that accommodate connection-receiving bodies of the Luer lock type and of the slip-in type, are provided. Some versions include: a connector () detachably coupled to a cap () so as to be separated from the barrel () together with the cap () when the connector () is located at an initial position where the connector () is attached to a barrel () via the cap (); and a connector-side engaging part () that engages a barrel-side engaging part () of the barrel () when the connector () is located at an attached position that is closer to a proximal end in an axial direction of the barrel () than the initial position, allowing the connector () to remain attached to the barrel () by being detached from the cap () separated from a nozzle ().

Growing community of inventors

Ibaraki, Japan

Norihiko Asahi