US 11,969,547 B2
Multi-dose medicament delivery device
Robert Nichol Boyes, Hertfordshire (GB); and Philip Wilson Braithwaite, Cheltenham (GB)
Assigned to Indosys Limited, Cheshire (GB)
Appl. No. 16/638,534
Filed by Indosys Limited, Cheshire (GB)
PCT Filed Aug. 30, 2018, PCT No. PCT/GB2018/052453
§ 371(c)(1), (2) Date Feb. 12, 2020,
PCT Pub. No. WO2019/043390, PCT Pub. Date Mar. 7, 2019.
Claims priority of application No. 1713899 (GB), filed on Aug. 30, 2017.
Prior Publication US 2020/0179626 A1, Jun. 11, 2020
Int. Cl. A61M 15/08 (2006.01); A61M 15/00 (2006.01)
CPC A61M 15/08 (2013.01) [A61M 15/003 (2014.02); A61M 15/0045 (2013.01); A61M 2202/064 (2013.01); A61M 2205/073 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A multi-unit dose dry powder medicament delivery device comprising:
a first element comprising a single use nozzle located in a body which is at least partially lined with an inner sleeve, said inner sleeve comprising an airway and a cartridge seat; and
a second element adapted to be releasably attached to the first element, said second element comprising an actuator provided with an air source and a valve;
wherein the inner sleeve is provided with a shuttle valve which is dimensioned such that in the closed position it blocks the airway only until the device is primed by a user; wherein the shuttle valve is provided with two orifices and the nozzle is provided with a stop capable of arresting movement of the shuttle valve; and
wherein the actuator in the second element comprises a spigot element which, when inserted into the first element, pushes the medicament container into position for delivery of the medicament.