US 12,214,122 B2
Dry powder inhaler
Roger Clarke, Cambridgeshire (GB); and Andreas Meliniotis, Cambridgeshire (GB)
Assigned to VECTURA DELIVERY DEVICES LIMITED, (GB)
Appl. No. 17/276,626
Filed by VECTURA DELIVERY DEVICES LIMITED, Wiltshire (GB)
PCT Filed Sep. 16, 2019, PCT No. PCT/EP2019/074742
§ 371(c)(1), (2) Date Mar. 16, 2021,
PCT Pub. No. WO2020/058209, PCT Pub. Date Mar. 26, 2020.
Claims priority of application No. 18194962 (EP), filed on Sep. 17, 2018; and application No. 18209763 (EP), filed on Dec. 3, 2018.
Prior Publication US 2021/0268214 A1, Sep. 2, 2021
Int. Cl. A61M 15/00 (2006.01)
CPC A61M 15/0051 (2014.02) [A61M 15/0025 (2014.02); A61M 15/0026 (2014.02); A61M 15/007 (2014.02); A61M 2202/064 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An inhaler comprising:
a housing which contains a blister strip having a plurality of blisters which contain powdered medicament for inhalation,
a mouthpiece mounted to the housing through which the medicament is inhaled by a user,
an indexing wheel for indexing the blister strip and an opening mechanism for opening the blisters,
wherein the blister strip is indexed by forward motion of an actuator from a first position to a second position,
characterized in that the blister strip is also indexed in the same direction by reverse motion of the actuator from the second position to the first position,
wherein the indexing wheel is arranged to index the blister strip forward by a distance between a center of a first blister and a center of a successive blister on the blister strip on the forward motion of the actuator and to index the blister strip forward the same distance on the reverse motion of the actuator,
and wherein the opening mechanism is arranged to open two successive blisters on one complete actuation of the actuator.