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US 2020/0215275 A1Published application
Nebulizer
AssigneeBoehringer lngelheim International GmbH
InventorsHeinrich KLADDERS, Thomas WABNITZ, Herbert GRAESSL, Andree JUNG, Gilbert WUTTKE
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Abstract
A nebulizer for nebulizing a liquid from a container includes a fluid pump for withdrawing the liquid in doses from the container and pressurizing the respective doses for nebulization. The nebulizer includes in addition an air pump with a piston/cylinder arrangement for pumping air into the container to pressurize the liquid in the container to help withdrawing the liquid from the container.
Claims37
A nebulizer (1) for nebulizing a liquid (2), comprising:
- a preferably replaceable container (3) containing multiple doses of the liquid (2),
- a fluid pump (5) for withdrawing a dose of the liquid (2) from the container (3) and pressurizing the respective dose for nebulization,
- an air pump (30) for pressurizing the liquid (2) in the container (3) to help withdrawing the liquid (2) in doses from the container (3), and
- preferably a housing part (18) which can be detached from the nebulizer (1) or opened for inserting or replacing the container (3),
- characterized in that the air pump (30) comprises or forms a piston/cylinder arrangement for pumping air into the container (3) to help withdrawing the liquid (2) in doses from the container (3).
2 more elements
Dependencies are inferred from the claim text.