Inhaler device having an improved guide gear

摘要

The present invention relates to a dry powder inhaler device (6) comprising an outer body (1), an advancement mechanism housed in an inner part of the outer body, and a guide gear (5) in this mechanism, said guide gear having a body provided with grooves (2) into which blister (3) cavities (4) filled with a powder drug are placed, characterized in that said guide gear comprises at least one pocket (8) formed on an upper surface (7) thereof, said pocket enabling to release or remove any powder drug accumulated therein.