A container closure, particularly for anaesthetic agent...

Details A container closure, particularly for anaesthetic agent... A container closure, particularly for anaesthetic agent...

A - Human Necessities

61

M

A61M 16/18 (2006.01) B65D 51/00 (2006.01)

Patent

CA 2174755

The closure has a locking ring (7) connected to an internally threaded collar (8) at a frangible annular portion (10), which can be ruptured to gain immediate access to the contents of a container. A stopper member (20) is fixed to the threaded collar (8) for selectively connecting the closure (1) to an anaesthetic transfer device. A discharge passage (23) and a venting passage (24) extend through the stopper member (20) for communication with a container (3) engaged by the threaded collar (8). A first pierceable diaphragm (25) is located within and occludes the discharge passage (23), and second pierceable diaphragm (29) is located within and occludes the venting passage (24).

Ce système de fermeture comprend un anneau de verrouillage (7) relié à un collier (8) à filetage interne au niveau d'une partie anulaire cassable (10) qui peut être brisée pour permettre d'accéder directement au contenu d'un flacon. Un bouchon (20) est fixé au collier fileté (8) afin de relier sélectivement le système de fermeture (1) à un dispositif de transfert d'anesthésique. Un passage de décharge (23) et un passage d'aération (24) s'étendent à travers le bouchon (20) afin de communiquer avec un flacon (3) sur lequel s'adapte le collier fileté (8). Une première membrane à percer (25) est placée à l'intérieur du passage de décharge (23) qu'elle obture, et une seconde membrane à percer (29) est placée à l'intérieur du passage d'aération (24) de façon à obturer ce dernier.

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