Capsule device with an aperture formed by a wall part of one of two half-capsule shells

A capsule device for the application to a mucous membrane, configured to accommodate a pharmaceutical preparation having an elongated shape and comprising an active pharmaceutical ingredient, and capable of being arranged in a compact condition and in an expanded condition,

• the capsule device comprising a hollow space for accommodating the preparation in the compact condition,
• the capsule device having an aperture, configured to allow a first end of the preparation in the compact condition to extend through the aperture such that the preparation can be transferred from its compact condition in the hollow space to its expanded condition in the surrounding area of the capsule device,
• the capsule device comprising a first halve-capsule shell and a second halve-capsule shell, which are joined by overlapping the first halve-capsule shell and the second halve-capsule shell in a joined position, characterized in that
• the capsule device further comprising a hollow-cylindrical wall part, and wherein the first halve-capsule shell has a hollow-cylindrical wall including an opening, and said hollow-cylindrical wall part overlaps a cross section of the opening thereby forming the aperture of the capsule device in the joined position.