US Patent 6880722 Medicament dispenser

There is provided a medicament dispenser for dispensing medicament comprising: a body; a holder, shaped to fit within the body and movable relative to the body; and receivable by said holder, a cassette containing a medicament carrier, wherein movement of the holder relative to the body results in movement of the cassette between a first position and a second position such that the cassette is reversibly removable from the holder when the cassette is in the second position.