Patent ID: 8528549
Filing Date: 2013-09-10
Classification: A61M

Abstract:
1. A device for dispensing a plurality of unitary doses of dry powder, comprising: a casing provided with a mouthpiece for inhalation by a user, first and second supports respectively for two carriers each having a plurality of housings for respective unitary doses adapted to be connected to the mouthpiece for inhalation of the dose, the first and second supports being moveably mounted within the casing for sequentially connecting the housings to the mouthpiece, an indexing mechanism adapted to engage and move the first and second supports, the indexing mechanism and the supports being configured so that in a first dispensing state of the device, the first support is in engagement with the indexing mechanism so as to be moveable with respect to the casing, and the second support is disengaged from the indexing mechanism so as to be stationary with respect to the casing, in a subsequent second dispensing state of the device, the second support is in engagement with the indexing mechanism so as to be moveable with respect to the casing, and the first support is disengaged from the indexing mechanism so as to be stationary with respect to the casing, changeover means for causing the device to pass from the first dispensing state to the second dispensing state, wherein the changeover means are adapted to lock the second support in its stationary position while the device is in the first dispensing state, and to lock the first support in its stationary position while the device is in the second dispensing state.