US 11,717,621 B2
Automatic dispenser for respiratory delivery device
Brendan O'Flaherty, Windsor (AU); Johann Lipman, Windsor (AU); Patrick Joseph Lynch, Windsor (AU); and John Fredatovich, Windsor (AU)
Assigned to De Motu Cordis Pty Ltd, Queensland (AU)
Filed by De Motu Cordis Pty Ltd, Windsor (AU)
Filed on Aug. 11, 2022, as Appl. No. 17/886,211.
Application 17/886,211 is a continuation of application No. 17/619,190, previously published as PCT/AU2020/050633, filed on Jun. 23, 2020.
Application 17/619,190 is a continuation in part of application No. 16/450,077, filed on Jun. 24, 2019, granted, now 10,828,432, issued on Nov. 10, 2020.
Prior Publication US 2022/0379052 A1, Dec. 1, 2022
Int. Cl. A61M 15/00 (2006.01)
CPC A61M 15/0041 (2014.02) [A61M 15/0008 (2014.02); A61M 15/0025 (2014.02); A61M 15/0035 (2014.02); A61M 2202/064 (2013.01); A61M 2205/273 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A device for delivery of a composition to an airway of a subject, the device comprising:
in fluid communication:
a gas inlet;
a gas outlet;
a composition receptacle comprising a composition capsule containing the composition; and
a dispersion chamber; and
one or more primers each comprising a cam follower and an associated pin or blade; and
a cap comprising one or more cams which are located so as to engage with and displace the respective primer to pierce the composition capsule upon removal of the cap,
wherein the cam follower of each of the one or more primers prevents the cap from being replaced once removed.
 
13. A device for delivery of a composition to an airway of a subject, the device comprising:
in fluid communication:
a gas inlet;
a gas outlet;
a composition receptacle comprising a composition capsule containing the composition; and
a dispersion chamber; and
one or more primers each comprising a cam follower and an associated pin or blade; and
a cap comprising one or more cams which are located so as to engage with and displace the respective primer to pierce the composition capsule upon removal of the cap,
wherein the composition capsule is held in place for piercing by the one or more primers between a capsule seat formed in a base comprising the gas inlet and one or more elongate members extending from a cap top of the cap.
 
14. A device for delivery of a composition to an airway of a subject, the device comprising:
in fluid communication:
a gas inlet;
a gas outlet;
a composition receptacle comprising a composition capsule containing the composition; and
a dispersion chamber; and
one or more primers each comprising a cam follower and an associated pin or blade; and
a cap comprising:
(i) one or more cams which are located so as to engage with and displace the respective primer to pierce the composition capsule, upon removal of the cap; and
(ii) a cap top comprising one or more elongate members extending from the cap top to end immediately adjacent the composition capsule, the cam follower of each of the one or more primers located so as to prevent the cap from being replaced once removed.