A needle assembly for a body fluids sampling device

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/00 (2006.01) A61B 10/00 (2006.01) A61M 5/32 (2006.01) A61M 25/06 (2006.01)

Patent

CA 2558527

First and second hollow needles (101, 102) extend from opposing sides of a common hub (107). Proximal ends (202, 204) of the respective needles (101, 102) are in communication with each other by a narrow passageway (103, 113) through the hub (107) which is formed in one piece and of transparent material. The hub (107) preferably includes a magnifying formation overlying the passageway portion (113) between the proximal ends of the needles (101, 102). As shown, the device (10) may be mounted in a front end of a tubular holder, such as a syringe body (30). In other versions the needles (101, 102) may be offset but parallel to one another (Fig. 2) or the principal ayes of the needles may intersect at an angle of between 1 ~ and 45~ (Fig. 4 and 5).

L'invention porte sur des première et seconde aiguilles creuses (101, 102) s'étendant depuis le côtés opposés d'une matrice commune (107). Les extrémités proximales (202, 204) des aiguilles respectives (101, 102) communiquent entre elles par un passage étroit (103, 113) en passant par la matrice (107) formée en une seule pièce dans un matériau transparent. La matrice (107) comprend, de préférence, une formation grossissante chevauchant la partie du passage (113) entre les extrémités proximales des aiguilles (101, 102). Comme illustré, le dispositif (10) peut être monté dans une extrémité avant d'un dispositif de retenue tubulaire tel qu'un corps de seringue (30). Selon d'autres formes d'exécution, les aiguilles (101, 102) peuvent être décalées, mais parallèles les unes aux autres (Fig. 2) ou bien les axes principaux des aiguilles peuvent se croiser au niveau d'un angle compris entre 1· et 45· (Fig. 4 et 5).

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