Aerosol forming device for use in inhalation therapy
First Claim
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1. A device for delivering drug containing aerosols for inhalation therapy including:
- a housing; and
, an airway including a gas/vapor mixing area, wherein the airway includes a subassembly, and wherein the subassembly includes a metallic substrate, and wherein a composition comprising a drug is coated on the substrate.
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Abstract
The present invention relates to the inhalation delivery of aerosols containing small particles. Specifically, it relates to a device that forms drug containing aerosols for use in inhalation therapy. In a device aspect of the present invention, a device for delivering drug containing aerosols for inhalation therapy is provided. The device includes a housing and an airway that has a gas/vapor mixing airway. The airway further includes a subassembly, which has a metallic substrate coated on its surface with a composition comprising a drug.
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Citations
18 Claims
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1. A device for delivering drug containing aerosols for inhalation therapy including:
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a housing; and
,an airway including a gas/vapor mixing area, wherein the airway includes a subassembly, and wherein the subassembly includes a metallic substrate, and wherein a composition comprising a drug is coated on the substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18)
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12. A method of forming a drug containing aerosol for use in inhalation therapy comprising:
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(a) heating a substrate coated with a composition comprising a drug to form a vapor; and
,(b) mixing the vapor with a volume of air such that an aerosol having particles is formed, wherein the MMAD of the particles is stable for at least 1 s.
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Specification