Venous access port assembly and method of assembly

Details Venous access port assembly and method of assembly Venous access port assembly and method of assembly

A - Human Necessities

61

M

A61M 39/02 (2006.01)

Patent

CA 2742178

An implantable port assembly (10) having a lower housing (12) and an upper housing (14) and at least one chamber (20, 22) and a corresponding septum (16,18) associ-ated therewith. The upper housing (14) includes a plurality of latch arms (30) depending therefrom that latch with corre-sponding catches (34) of the lower housing for mechanically securing the assembly together during bonding or welding. Each septum (16, 18) includes a peripheral flange (40) held in compression by and between the upper and lower housings (14,12) upon and after assembly. In a dual port assembly (10), a pair of septa (16, 18) are disposed side -by-side with over-lapping flanges (54), and the upper housing (14) includes posts (52) extending through apertures (54) through the over-lapping flanges (56) that extend into holes (58) in the lower housing (12).

L'invention porte sur un assemblage dorifice implantable (10) qui présente  un boîtier inférieur (12) et un boîtier supérieur (14), et au moins une chambre (20, 22) et une cloison correspondante (16,18) associées à ceux-ci. Le boîtier supérieur (14) comprend une pluralité de bras de verrouillage (30) qui pendent de celui-ci et qui se verrouillent avec des cliquets correspondants (34) du boîtier inférieur afin de maintenir fermement l'assemblage pendant un collage ou un soudage. Chaque cloison (16,18) comprend une bride périphérique (40) maintenue en compression par les boîtiers inférieur et supérieur (92) et entre ceux-ci au cours de l'assemblage et après celui-ci. Dans un assemblage à deux orifices (10), une paire de cloisons (16, 18) sont disposées côte à côte avec des brides chevauchantes (54), et le boîtier supérieur (14) comprend des montants (52) s'étendant à travers des ouvertures (54) ménagées dans les brides chevauchantes (56) qui s'étendent dans des trous (58) du boîtier inférieur (12).

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