Inhalation System and Delivery Device for the Administration of a Drug in the Form of Dry Powder
First Claim
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1. An inhalation system for the administration of at least one drug in the form of dry powder by inhalation through an air flow path comprising:
- a delivery device having a mouthpiece through which the powder is inhaled;
a dose cassette defining a drug cavity containing dry powder of a dose to be delivered and being sealed by a lid; and
a resilient member configured to be introduced into the air flow path to direct air flow into the drug cavity upon removal of the lid.
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Abstract
The administration of at least one drug in the form of dry powder by inhalation through an air flow path may be accomplished by an inhalation system including a delivery device having a mouthpiece through which the powder is inhaled. The inhalation system includes a dose cassette defining at least one drug cavity containing dry powder of a dose to be delivered and being sealed by a lid. Further, the inhalation system includes a resilient member configured to be introduced into the air flow path to guide/direct the air flow into the drug cavity upon removal of the lid.
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Citations
26 Claims
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1. An inhalation system for the administration of at least one drug in the form of dry powder by inhalation through an air flow path comprising:
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a delivery device having a mouthpiece through which the powder is inhaled; a dose cassette defining a drug cavity containing dry powder of a dose to be delivered and being sealed by a lid; and a resilient member configured to be introduced into the air flow path to direct air flow into the drug cavity upon removal of the lid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A single dose disposable delivery device comprising a mouthpiece through which at least one drug is inhaled along an air flow path and further comprising:
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a housing configured to receive a single dose cassette defining a drug cavity containing powder of a dose of medicament to be inhaled and sealed by a lid; and a resilient member configured to be introduced into the air flow path to direct air flow into the drug cavity upon removal of the lid. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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25. An inhalation system for the administration of at least one drug in the form of dry powder by inhalation through an air flow path, the system comprising:
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a delivery device, having a mouthpiece through which the powder is inhaled, a dose cassette comprising for each dose multiple drug cavities containing drug to be inhaled simultaneously as a dose of medicament, the drug cavities being sealed by at least one lid; and at least one directing member positioned in the air flow path to direct air flow into the drug cavities upon removal of the at least one lid.
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26. A single dose disposable delivery device, comprising a mouthpiece through which at least one drug is inhaled along an air flow path from a single dose cassette comprising at least a first and a second drug cavity comprising the dose to be inhaled and sealed by at least one lid,
the device further comprising a directing member wherein the directing member is introduced into the air flow path to direct air flow into the drug cavities upon removal of the at least one lid.
Specification