Inhalers and Related Methods
AssigneeNorton (Waterford) Limited
InventorsDaniel BUCK, Paul PRENDERGAST, Declan WALSH
Life of this patent
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Abstract
An inhaler (10) has a main body for accommodating a medicament reservoir (84), a canister fire system for moving a canister (50) to release a dose in response to air flow, a cap housing (12) for enclosing the canister fire system and canister within an interior chamber defined by the main body (14) and a cap housing, wherein a lock system (250) is provided for locking the cap housing on the main body.
Claims42
1-16. (canceled)
An inhaler for the inhalation of inhalable substances, the inhaler comprising:
- a main body and a cap housing defining an interior chamber;
- a canister enclosed within the interior chamber having an interior reservoir containing pressurised inhalable substances including fluid;
- a metering valve including a metering chamber and a valve stem defining a communication path between the metering chamber and the interior reservoir, the communication path including an first opening configured to permit flow between a transfer space inside the valve stem and the interior reservoir, the interior reservoir being arranged for orientation above the metering chamber whereby gas such as air located within the metering chamber is replaced with liquid from the interior reservoir;
- and
- wherein a lock system is provided for locking the cap housing on the main body.
A breath actuated inhaler having a main body for accommodating a medicament reservoir, a canister fire system including a trigger;
- and a biasing element for moving a canister to release a dose in response to air flow, a cap housing, and an interior chamber defined by the main body and the cap housing, the canister fire system and canister being enclosed within the interior chamber, wherein a lock system is provided for locking the cap housing on the main body.
Dependencies are inferred from the claim text.