US 12,350,424 B2
Inhaler
Marcus Knell, Ingelheim (DE); Guido Endert, Leichlingen (DE); and Horst Wergen, Essen (DE)
Assigned to BOEHRINGER INGELHEIM VETMEDICA GMBH, Ingelheim am Rhein (DE)
Filed by Boehringer Ingelheim Vetmedica GmbH, Ingelheim am Rhein (DE)
Filed on Jul. 28, 2020, as Appl. No. 16/940,423.
Application 16/940,423 is a continuation of application No. 15/889,515, filed on Feb. 6, 2018, granted, now 10,737,046.
Application 15/889,515 is a continuation of application No. 14/462,867, filed on Aug. 19, 2014, granted, now 9,913,952, issued on Mar. 13, 2018.
Claims priority of application No. 13004114 (EP), filed on Aug. 20, 2013.
Prior Publication US 2020/0353188 A1, Nov. 12, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 15/08 (2006.01); A61D 7/04 (2006.01); A61M 11/00 (2006.01); A61M 15/00 (2006.01)
CPC A61M 15/08 (2013.01) [A61D 7/04 (2013.01); A61M 11/006 (2014.02); A61M 15/0013 (2014.02); A61M 15/0073 (2014.02); A61M 15/0086 (2013.01); A61M 15/009 (2013.01); A61M 15/0093 (2014.02); A61M 15/0096 (2014.02); A61M 15/0018 (2014.02); A61M 2205/581 (2013.01); A61M 2205/583 (2013.01); A61M 2250/00 (2013.01)] 19 Claims
OG exemplary drawing
 
1. Inhaler comprising:
a respiration indicator,
a chamber wall forming a chamber connected for receiving a dose of inhalant from an inhalant supply, and
a dispensing device for dispensing an aerosol of the inhalant from
the chamber to a body opening,
wherein the respiration indicator comprises a wall section of the chamber wall or is formed by a portion thereof,
wherein the wall section is located downstream of the inhalant supply, is flexible and configured to indicate a respiratory activity produced during dispensing of the aerosol from the chamber by deformation and/or movement, and
wherein the wall section has a surface area that is more than 2 cm2 and less than 25 cm2.