Patent ID: 8277413

Claim:
A device for administering a fluid product, comprising: a product container having two ends and configured to accommodate the fluid product to be administered, said product container comprising an opening at one end and a product stopper movable relative to the product container at the other end; a fluid reservoir for accommodating a drive fluid; a drive member operatively coupled to the fluid reservoir; a pressure chamber operatively coupled to the product stopper; and a connecting means for forming a fluid connection between the fluid reservoir and the pressure chamber, said connecting means comprising a first state and a second state, wherein the fluid connection is closed in the first state and is open in the second state such that the fluid connection is open to the drive fluid; wherein, when the product container is inserted into the device, the connecting means is activated such that the fluid connection is moved to the second state, and wherein, in the second state, the drive member acts on the fluid reservoir such that the pressure chamber is charged with a pressure that acts on the product stopper and the product is discharged from the product container.