US 12,496,413 B2
Dry powder inhaler
Gerard Zuber, Boulens (CH); Christopher Grant, Neuchâtel (CH); Daniele Sanna, Marin-Epagnier (CH); Gianluca Sechi, Colombier (CH); Judith Waller, Ostersund (SE); and Niki Meloncelli, Castel Maggiore (IT)
Assigned to Philip Morris Products S.A., Neuchâtel (CH)
Appl. No. 16/970,846
Filed by PHILIP MORRIS PRODUCTS S.A., Neuchâtel (CH)
PCT Filed Feb. 15, 2019, PCT No. PCT/IB2019/051239
§ 371(c)(1), (2) Date Aug. 18, 2020,
PCT Pub. No. WO2019/159123, PCT Pub. Date Aug. 22, 2019.
Claims priority of application No. 18157483 (EP), filed on Feb. 19, 2018.
Prior Publication US 2021/0113787 A1, Apr. 22, 2021
Int. Cl. A61M 15/00 (2006.01); A24F 42/20 (2020.01); A24F 42/60 (2020.01); A61M 15/06 (2006.01)
CPC A61M 15/0005 (2014.02) [A24F 42/20 (2020.01); A24F 42/60 (2020.01); A61M 15/0008 (2014.02); A61M 15/002 (2014.02); A61M 15/0021 (2014.02); A61M 15/0028 (2013.01); A61M 15/003 (2014.02); A61M 15/0033 (2014.02); A61M 15/0035 (2014.02); A61M 15/0041 (2014.02); A61M 15/06 (2013.01); A61M 2202/064 (2013.01); A61M 2206/16 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A dry powder inhaler, comprising:
an inhaler body extending from a mouthpiece end to a distal end, the inhaler body comprising a mouthpiece portion removably coupled to a distal end portion, the mouthpiece portion extending between the mouthpiece end and a first mating end, the distal end portion extending between a second mating end and the distal end,
the mouthpiece portion consisting of:
a capsule cavity defined within the first mating end;
a mouthpiece air channel extending from the mouthpiece end to the capsule cavity;
the distal end portion comprising:
an airflow element disposed within the distal end portion and extending a longitudinal length along a longitudinal axis to the capsule cavity, the airflow element comprises:
an airflow channel extending the longitudinal length of the airflow element and being non-parallel with the longitudinal axis, the airflow channel directs inlet air into the capsule cavity, and
a resealable membrane configured to reseal when a piercing element is withdrawn from the resealable membrane wherein the distal end portion is removable from the mouthpiece portion to access the capsule cavity.