Cannula with protective casing

Details Cannula with protective casing Cannula with protective casing

A - Human Necessities

61

M

A61M 5/32 (2006.01)

Patent

CA 2646957

The invention relates to a cannula, preferably equipped with a cannula holder for, in particular a blood sampling device, which comprises a pivotable protective housing (102) for a free end of the cannula. Said protective housing (102) is closed on the periphery except for a cannula insertion opening (8) provided between opposing side walls. Said insertion opening is produced by at least one pair of lamella (8a, 8b), formed on the side walls, the lamella tapering towards one another in the manner of a funnel and forming an expandable funnel slot. The protective housing (102) comprises two housing parts which can be inserted into each other. The inner housing (2a) comprises the pair of lamella (8a, 8b) and an outer housing (11), which surrounds the inner housing (2a), is embodied as a sleeve that is less elastic than the inner housing (2a).

L'invention concerne une canule, comprenant de préférence, un porte-canule utilisé en particulier pour un dispositif de prélèvement sanguin, qui présente un logement de protection (102), pouvant pivoter, pour une extrémité libre de la canule. Ledit logement de protection est entièrement fermé sur sa périphérie, à l'exception d'un orifice d'insertion de la canule (8) placé entre les parois latérales opposées l'une à l'autre. Ledit orifice d'insertion est produit par une paire de lamelles (8a, 8b) formées sur les parois latérales, les lamelles se dirigeant l'une vers l'autre à la manière d'un entonnoir, ce qui forme une entaille d'entonnoir extensible. Le logement de protection (102) comprend deux parties de logement insérées l'une dans l'autre, un logement intérieur (2a) présentant la paire de lamelles (8a, 8b) et un logement extérieur (11) entourant le logement intérieur sert à former une enveloppe moins élastique que le logement intérieur (2a).

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