HEATING UNIT FOR USE IN A DRUG DELIVERY DEVICE
First Claim
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1. A drug supply unit comprising a substrate, wherein the substrate has a surface containing a plurality of holes, and wherein at least a portion of the surface is coated with a drug composition.
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Accused Products
Abstract
Drug supply units are disclosed which comprise substrates having a plurality of holes formed therein.
185 Citations
48 Claims
- 1. A drug supply unit comprising a substrate, wherein the substrate has a surface containing a plurality of holes, and wherein at least a portion of the surface is coated with a drug composition.
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29. An aerosol drug delivery device comprising:
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a housing defining an airway; a drug supply unit comprising a surface, wherein at least a portion of the surface includes a plurality of holes; a heating element operatively associated with the drug supply unit; and a drug composition coated onto at least a portion of the surface of the substrate; wherein the heating element is configured to heat the substrate to a temperature sufficient to vaporize at least a portion of the drug.
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30. A method of producing a drug-containing aerosol, the method comprising:
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a. providing an aerosol drug delivery device comprising a housing defining an airway; a drug supply unit comprising a surface, wherein at least a portion of the surface includes a plurality of holes; a heating element operatively associated with the drug supply unit; and a drug composition coated onto at least a portion of the surface of the substrate; wherein the heating element is configured to heat the substrate to a temperature sufficient to vaporize at least a portion of the drug. b. providing an air flow through the plurality of holes while heating the substrate; and c. allowing the vaporized drug to cool and condense into an aerosol comprising particles. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37)
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- 38. A drug supply unit, wherein the drug supply unit is configured to heat a drug coated on a surface of a substrate to a temperature sufficient to vaporize the drug, wherein a portion of the substrate includes a plurality of holes formed therethrough, and wherein the number of and spacing between the holes is sufficient that a drug vaporized from the substrate exhibits a purity that is greater than the purity of a drug vaporized from a substrate that does not include a plurality of holes formed therethrough.
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40. An aerosol drug delivery device comprising:
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a housing defining an airway; a drug supply unit that is configured to heat a drug disposed on an exterior surface of a substrate to a temperature sufficient to vaporize the drug, wherein a portion of the exterior surface of the substrate includes a plurality of holes formed therethrough; and a drug disposed on a portion of the exterior surface of the substrate, wherein the number of and spacing between the holes is sufficient that, when the drug is vaporized from the substrate, the vaporized drug exhibits a purity that is greater than the purity of a drug vaporized from a substrate that does not include a plurality of holes formed therethrough.
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41. A method of producing a drug-containing aerosol comprising:
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providing an aerosol delivery device comprising a housing defining an airway; a drug supply unit that is configured to heat a drug disposed on a surface of a substrate to a temperature sufficient to vaporize the drug, wherein a portion of the exterior surface of the substrate includes a plurality of holes formed therethrough; and a drug disposed on a portion of the exterior surface of the substrate, providing an air flow through the plurality of holes while subsequently heating the substrate to a temperature sufficient to vaporize the drug; and allowing the vaporized drug to condense into an aerosol comprising particles, wherein the number of and spacing between the holes is sufficient that the vaporized drug exhibits a purity that is greater than the purity of a drug vaporized from a substrate that does not include a plurality of holes formed therethrough. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48)
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Specification