Patent ID: 8105291

Claim:
A device for storing and administering active substances, comprising: a plurality of reservoirs for respectively accommodating at least one active substance, wherein said reservoirs are disposed in a radial manner with an end face facing in the direction of a center of said device, wherein each of said reservoirs is made of a flexible material, and wherein either each individual reservoir is adapted to be acted upon by pressure, or all of said reservoirs are adapted to be acted upon by pressure in common; a mechanism mounted in said device and configured to open and close said reservoirs, wherein said mechanism includes two concentrically mounted rings that are each provided with an opening, wherein said rings are rotatable not only relative to one another but also relative to said reservoirs, and wherein said opening of an inner one of said rings is coupled to said needle-free injection device; a flexible thrust ring disposed in said device for pressurization of said reservoirs, wherein said thrust ring actuates said reservoirs with a force for increasing an internal pressure thereof; and a needle-free injection device configured to deliver at least one active substance to a user.