An inhaler including a pre-inserted cartridge (100) is proposed. The cartridge contains liquid (103) which is preferably pressurized to a low pressure. The cartridge is connected via an aerosol valve (106) with the inhaler. The liquid is further pressurized by a pump (117) of the inhaler to a high p
An inhaler including a pre-inserted cartridge (100) is proposed. The cartridge contains liquid (103) which is preferably pressurized to a low pressure. The cartridge is connected via an aerosol valve (106) with the inhaler. The liquid is further pressurized by a pump (117) of the inhaler to a high pressure and atomized.
대표청구항▼
1. A device for dispensing or atomizing a liquid (103), such as a pharmaceutical formulation, the device comprising: a cartridge (100) comprising: (i) a storage means (102) in which the liquid (103) is stored under pressure, and (ii) a first valve (106), wherein the storage means (102) is connected
1. A device for dispensing or atomizing a liquid (103), such as a pharmaceutical formulation, the device comprising: a cartridge (100) comprising: (i) a storage means (102) in which the liquid (103) is stored under pressure, and (ii) a first valve (106), wherein the storage means (102) is connected to the first valve (106) and wherein the liquid (103) is pushed out through the first valve (106) by way of the pressure within the cartridge (100) when the first valve (106) is open; anda pump (117) for further pressurizing the liquid (103) downstream from the first valve (106) to convey the liquid (103) out of the device. 2. The device according to claim 1, wherein the storage means (102) is collapsible. 3. The device according to claim 1, wherein the storage means (102) is or comprises a bellows. 4. The device according to claim 1, wherein the storage means (102) comprises an outer canister (101). 5. The device according to claim 1, wherein the storage means (102) comprises a container. 6. The device according to claim 1, wherein one of the storage means (102) and the cartridge (100) comprises at least one of a gas space and an air space (104, 105) for pressurizing the liquid (103). 7. The device according to claim 1, wherein the first valve (106) is normally closed or opened only temporarily. 8. The device according to claim 1, wherein the first valve (106) closes or is closed in a cocked state of the device. 9. The device according to claim 1, wherein the first valve (106) is permanently opened, at least with or after first use or operation of the device or when priming the device. 10. The device according to claim 1, wherein at least one of: the first valve (106) comprises a stem (107) through which the liquid (103) can be outputted and by which the first valve (106) can be opened, andthe valve (106) or stem (107) is biased into the closed position. 11. The device according to claim 1, wherein the cartridge (100) comprises a sealed outer canister (101) to minimize or eliminate any evaporation of liquid (103) from the storage means (102). 12. The device according to claim 11, wherein the pressure within the cartridge is produced by way of a pressurizing means in the canister (101). 13. The device according to claim 12, wherein the pressurizing means comprises or is formed by gas. 14. The device according to claim 11, wherein at least one of: the cartridge (100) comprises a second valve (111) connecting a gas or air space (105) within the canister (101) to the atmosphere, andthe second valve (111) is normally closed and/or opened only temporarily. 15. The device according to claim 1, wherein the liquid (103) is pressurized in the cartridge (100) between 1 and 500 kPa. 16. The device according to claim 1, further comprising a locking mechanism to lock the first valve (106) in an open position when the device is at least one of first cocked and when the cartridge is used the first time. 17. The device according to claim 1, wherein the device is an inhaler (110). 18. The device according to claim 1, wherein the device comprises a non-return valve (121) to which the cartridge (100) is connected or connectable. 19. The device according to claim 1, wherein the pump (117) comprises a cylinder-piston-arrangement. 20. Device according to claim 1, wherein the device comprises a nozzle (60) for atomizing the pressurized liquid (103). 21. The device according to claim 13, wherein the gas is liquefied gas. 22. The device according to claim 13, wherein the gas is air. 23. The device according to claim 15, wherein the pressure of the liquid (103) is between 1 and 200 kPa. 24. The device according to claim 23, wherein the pressure of the liquid (103) is between 1 and 100 kPa. 25. The device according to claim 4 wherein the outer canister (101) is metallic. 26. The device according to claim 25, wherein the outer canister (101) is at least one of stainless steel and coated aluminum. 27. The device according to claim 5, wherein the container is selected from a tube, a bag or a piston. 28. The device according to claim 1, wherein the pump pressurizes the liquid substantially higher than the pressure within the cartridge (100).
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이 특허에 인용된 특허 (11)
Maier Christian (Munich DT), Aerosol dispenser for fluid products comprising a piston pump assembly for generating compressed air.
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