Patent ID: 7445614

Claim:
An implantable chamber for the infusion of a medicament, said chamber is to be implanted subcutaneously by way of longitudinal incision in a body, said chamber comprises: a medicament reservoir, a region for access to the reservoir, said region is located at a vertex of the reservoir, is accessible from outside the body and is to enable the medicament reservoir to be filled; a diffusion duct which is connected to the reservoir and which extends outside said reservoir, the diffusion duct having an external terminal portion; and an outer casing surrounding the reservoir and having a base wall and an outer lateral wall extending from the base wall to a top of the reservoir, wherein a contour of the base wall is substantially triangular and is such that the outer casing has a shape tapered towards a vertex of the triangle, wherein a portion of the diffusion duct closest to the reservoir is surrounded by the casing and is radial relative to a wall of the reservoir, so that the diffusion duct comprises a bend between the portion closest to the reservoir and the terminal portion, the bend of the diffusion duct being inside the casing, and wherein the terminal portion of the diffusion duct is located outside the casing and extends in a direction substantially parallel with a side of the triangle opposite the tapered vertex so that the terminal portion and an adjacent portion of a catheter to be connected to the terminal portion are substantially parallel with a direction of incision made for implanting the chamber.