US 12,233,243 B2
Device for dispensing a pulverulent product
Francois Le Maner, La Vallee Montaure (FR)
Assigned to APTAR FRANCE SAS, Le Neubourg (FR)
Appl. No. 17/795,173
Filed by APTAR FRANCE SAS, Le Neubourg (FR)
PCT Filed Jan. 25, 2021, PCT No. PCT/FR2021/050124
§ 371(c)(1), (2) Date Jul. 25, 2022,
PCT Pub. No. WO2021/152246, PCT Pub. Date Aug. 5, 2021.
Claims priority of application No. 2000769 (FR), filed on Jan. 27, 2020.
Prior Publication US 2023/0090739 A1, Mar. 23, 2023
Int. Cl. A61M 5/178 (2006.01); A61D 7/00 (2006.01); A61M 11/02 (2006.01); A61M 15/00 (2006.01); A61L 2/07 (2006.01); A61M 16/04 (2006.01)
CPC A61M 5/178 (2013.01) [A61D 7/00 (2013.01); A61M 11/02 (2013.01); A61M 15/0028 (2013.01); A61L 2/07 (2013.01); A61M 15/002 (2014.02); A61M 16/04 (2013.01); A61M 2202/064 (2013.01); A61M 2205/073 (2013.01); A61M 2205/8281 (2013.01); A61M 2210/1032 (2013.01); A61M 2250/00 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A device for dispensing a pulverulent product comprising a reservoir unit connected to an air expulsion system and to a dispensing head provided with a dispensing orifice, wherein said reservoir unit comprises a reservoir with an opening that is distal relative to said dispensing orifice, an opening that is proximal relative to said dispensing orifice, and a metering passage connecting said distal and proximal openings, a one-way valve being positioned between said metering passage and said distal opening, said proximal opening of said reservoir forming a filling cone which tapers towards said metering passage to facilitate filling of said metering passage with a dose of powder.