A - Human Necessities – 61 – J
Patent
A - Human Necessities
61
J
A61J 1/00 (2006.01) B65D 55/08 (2006.01)
Patent
CA 2476659
The invention concerns a connection device comprising a base (10) adapted to be mounted on a receptacle (2) and forming a sliding sleeve (15) for a piston (16) which moves or forms a hollow needle (16), an annular skirt (20) for locking the base plate (10) in snap-on configuration on the neck (4) and a cap (30), designed to isolate the plate (10) and/or the piston (16) from ambient air. The cap (30) is provided with at least one protuberance (33) designed to be engaged in the internal volume (V) of said skirt (20), said protuberance (33) extending radially relative to a central axis (X-X') of the cap (30) over a distance (R¿33?) greater than the minimum distance (R¿23?) between said central axis (X-X') and an edge (23) of the opening (O') providing access to the internal volume (V) of said skirt. The protuberance remains integral with the rest (31a) of the cap when the latter is removed from the device. Once the cap (30) is removed from the skirt (20), the protuberance counters its reinsertion into the internal volume (V) of the skirt.
Ce dispositif de connexion comprend une embase (10) apte à être montée sur un récipient (2) et formant un manchon (15) de coulissement d'un piston (16) qui déplace ou forme une aiguille creuse (16), une jupe annulaire (20) de verrouillage de l'embase (10) en configuration encliquetée sur le col (4) et un capuchon (30), apte à isoler l'embase (10) et/ou le piston (16) de l'atmosphère ambiante. Le capuchon (30) est pourvu d'au moins un relief (33) apte à être engagé dans le volume interne (V) de la jupe (20), ce relief (33) s'étendant radialement par rapport à un axe central (X-X') du capuchon (30) sur une distance (R¿33?) supérieure à la distance minimum (R¿23?) entre cet axe (X-X') et un bord (23) d'une ouverture (O') d'accès au volume interne (V) de ladite jupe. Le relief demeure solidaire du reste (31a) du capuchon lorsque celui-ci est retiré du dispositif. Une fois le capuchon (30) extrait de la jupe (20), le relief s'oppose à sa re-introduction dans le volume interne (V) de la jupe.
Biodome
Sim & Mcburney
LandOfFree
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