Patent ID: 11878157
Assignee: EDIX SA
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 1:
2. The device according to claim 1, further comprising at least one solid plunger movable within said reservoir, the at least one solid plunger being introduced into said reservoir before introduction of said hollow plunger,
wherein said inner wall has, from the one end or the other end of said reservoir, a variation of a section of the inner wall configured to break the sealing between said solid plunger and said inner wall of said reservoir,
said at least one solid plunger forming a sealed barrier with said inner wall of said reservoir with an exception of a distance on which the inner wall has a variation of its section, and
the at least one solid plunger is configured such that when the at least one solid plunger is in contact with said one end or the other end of said reservoir, the at least one solid plunger is no longer sealed with said inner wall of said reservoir, which allows said products to pass between said at least one solid plunger and said inner wall of said reservoir.