US 11,878,114 B2
Nicotine powder inhaler
Ihar Nikolaevich Zinovik, Peseux (CH); and Gerard Zuber, Froideville (CH)
Assigned to Philip Morris Products S.A., Neuchatel (CH)
Filed by PHILIP MORRIS PRODUCTS S.A., Neuchâtel (CH)
Filed on Feb. 5, 2021, as Appl. No. 17/168,417.
Application 17/168,417 is a continuation of application No. 15/124,562, granted, now 10,932,492, previously published as PCT/IB2015/000924, filed on Apr. 23, 2015.
Claims priority of provisional application 61/984,967, filed on Apr. 28, 2014.
Claims priority of application No. 14166205 (EP), filed on Apr. 28, 2014.
Prior Publication US 2021/0178092 A1, Jun. 17, 2021
Int. Cl. A61M 15/06 (2006.01); A61M 15/00 (2006.01); A24F 42/20 (2020.01); A24F 42/60 (2020.01)
CPC A61M 15/06 (2013.01) [A24F 42/20 (2020.01); A24F 42/60 (2020.01); A61M 15/0003 (2014.02); A61M 15/003 (2014.02); A61M 15/0008 (2014.02); A61M 15/0028 (2013.01); A61M 15/0021 (2014.02); A61M 15/0036 (2014.02); A61M 2202/064 (2013.01); A61M 2206/16 (2013.01)] 19 Claims
OG exemplary drawing
1. A powder inhaler comprising:
a body extending between a proximal mouthpiece end and a distal end, the proximal mouthpiece end comprising an outlet;
a swirl generator element disposed in the body and constructed to induce rotational movement in the airflow moving through the body;
an airflow channel extending along the body, the airflow channel comprising a plurality of inlet channels extending to the swirl generator and an outlet airflow channel extending parallel to a longitudinal axis of the body from the swirl generator to the outlet at the proximal mouthpiece end; and
a nicotine powder receptacle disposed along the airflow channel, the swirl generator disposed adjacent to the nicotine powder receptacle;
wherein the inhaler is constructed to deliver a dose of powder via air flow created by inhalation at the proximal mouthpiece end at an inhalation rate of less than about 5 L/min.