Patent ID: 8701661
Filing Date: 2014-04-22
Classification: A61M

Abstract:
1. An inhaler comprising a housing to receive a strip having a plurality of blisters, each blister having a breachable lid and containing a dose of medicament for inhalation by a user, an indexing wheel mounted in the housing rotatable to drive a strip to sequentially move blisters into alignment with a blister piercing member, a control element pivotally mounted to the housing and a drive mechanism including a coupling member that rotates together with the control element, the coupling member being configured to couple the control element to the indexing wheel during part of the rotation of the control element by a user so that the indexing wheel rotates together with the control element; wherein the indexing wheel is rotatably mounted to the coupling member and wherein the coupling member comprises an indexing wheel drive dog and the drive mechanism includes means to move, as the control element and coupling member are rotated, the indexing wheel drive dog into a position in which it cooperates with the indexing wheel so that the indexing wheel rotates together with the control element and the coupling member, wherein the coupling member includes a shaft having an axis coaxial with the axis of the control element, the indexing wheel being mounted on said shaft for rotation about said axis.