Protection device for a needle

Details Protection device for a needle Protection device for a needle

A - Human Necessities

61

M

A61M 5/32 (2006.01)

Patent

CA 2679595

The invention relates to a protection device (10) for a needle of an assembly or of an injection device having a hub portion provided with a needle, the said protection device (10) comprising: an outer casing (20) formed of a first material; and an inner casing (30) formed of a second material different from the said first material and defining a cavity (32) for receiving in a sealing way at least the hub portion, said cavity (32) having an inner wall (34); attachment means (40) defined in the said cavity (32) to removably engage and secure said protection device (10) at least along a sealing line to the injection device; the protection device being characterized in that it further comprises aspiration limiting means (40, 50) for limiting the deformation of said cavity (32) when said protection device (10) is separated from the assembly or the injection device.

L'invention porte sur le dispositif de protection (10) de l'aiguille d'un ensemble ou d'un dispositif d'injection pourvu d'une partie de garde dotée d'une aiguille. Le dispositif de protection (10) comporte un boîtier externe (20) formé d'un premier matériau ; et un boîtier interne (30) formé d'un second matériau différent du premier matériau et définissant une cavité (32) pour recevoir de façon étanche au moins la partie de garde, la cavité (32) présentant une paroi interne (34) ; des moyens de fixation (40) définis dans la cavité (32) pour engager et fixer de façon amovible le dispositif de protection (10) au moins le long d'une ligne d'étanchéité au dispositif d'injection ; le dispositif de protection est caractérisé en ce qu'il comprend, en outre, des moyens de limitation d'aspiration (40, 50) pour limiter la déformation de la cavité (32) lorsque le dispositif de protection (10) est séparé de l'ensemble ou du dispositif d'injection.

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