Patent ID: 7435246

Claim:
A system for removing a pharmaceutical product from a reservoir with an ampoule in which a moveable piston is arranged and an adaptor which has a reservoir connector arranged longitudinally and an ampoule connector for coupling to the ampoule, wherein the ampoule connector has at least one locking mechanism which, in a side wall, comprises a resilient element corresponding to a portion of the side wall which extends along the periphery thereof and at opposing ends merges with the side wall; wherein the adaptor comprises a central part between the reservoir connector and the ampoule connector, the central part comprising two opposing openings through which a front part of the ampoule is visible and at least one rib element which extends radially outwardly between the reservoir connector and the ampoule connector; and wherein the ampoule has a Luer connector with a collar part, which has two circular parts which are separated from one another in the direction of the longitudinal axis by four braces, so that four hollow spaces separated from one another are produced, the hollow spaces being adapted to the resilient element.