US 12,343,282 B2
Fluid delivery devices
Raymond John Bacon, Waterlooville (GB); and Benjamin Peter Hall, Waterlooville (GB)
Assigned to DISPENSER TECHNOLOGIES LIMITED, Waterlooville (GB)
Appl. No. 18/009,539
Filed by DISPENSER TECHNOLOGIES LIMITED, Waterlooville (GB)
PCT Filed Jun. 11, 2021, PCT No. PCT/GB2021/051462
§ 371(c)(1), (2) Date Dec. 9, 2022,
PCT Pub. No. WO2021/250426, PCT Pub. Date Dec. 16, 2021.
Claims priority of application No. 2008867 (GB), filed on Jun. 11, 2020.
Prior Publication US 2023/0233370 A1, Jul. 27, 2023
Int. Cl. A61F 9/00 (2006.01); A61J 1/14 (2023.01)
CPC A61F 9/0008 (2013.01) [A61J 1/14 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A device for dispensing a metered dose of fluid, the device comprising a housing comprising:
a non-pressurised reservoir sized to accommodate a plurality of doses of fluid;
a spring-loaded metering chamber sized to hold at least a single dose of fluid;
a first valve enabling fluid communication between the non-pressurised reservoir and the spring-loaded metering chamber;
a kink valve enabling the fluid in the spring-loaded metering chamber to exit the device; and
a flexible pouch in which the non-pressurised reservoir is formed,
wherein the flexible pouch also includes the spring-loaded metering chamber and the kink valve.