Patent ID: 7556037

Claim:
An inhalation aid for use in connection with an aerosol dispenser, said inhalation aid comprising a chamber having an opening at one end for connection to an aerosol dispenser and a mouthpiece opening at an opposite end of the chamber for drawing aerosol from the aerosol dispenser at the one end, said chamber having a variable volume and delimited or surrounded by a conically tapering expansion bellows made of a continuous, elastic material, the expansion bellows including at least one ring-shaped reinforcement having a material cross section increased relative to adjacent portions of the expansion bellows, a housing at the other end of the chamber, said housing including the mouthpiece opening, and a retaining ring removably connecting the housing to the expansion bellows at the other end of the chamber, the expansion bellows, in a folded state, being received in the housing, the retaining ring being connectable and detachably connectable with the housing provided to receive the expansion bellows.