SINGLE-USE CLOSURE, PARTICULARLY FOR ANAESTHETIC-AGENT CONTAINER

摘要

The closure has a locking ring (107) connected to a collar (108), having an internal planar face (109), at a frangible annular portion (110), which can be ruptured to gain immediate access to the contents of a container. A stopper member (120) is fixed to the collar (108) for selectively connecting the closure (100) to an anaesthetic transfer device. A discharge passage (123) and a venting passage (124) extend through the stopper member (120) for communication with a container (103) engaged by the collar (108). A first pierceable diaphragm (125) is located within and occludes the discharge passage (123), and second pierceable diaphragm (129) is located within and occludes the venting passage (124). Upon rupturing the frangible annular portion (110), the internal face (109) prevents the closure (100) from being fitted on another container.