CA3163594A1 — Air-jet dry powder inhaler for rapid delivery of pharmaceutical aerosols to infants
Assigned to Virginia Commonwealth University · Expires 2021-07-29 · 5y expired
What this patent protects
Proposed devices operate on positive pressure with as little as 5-6 ml of air and can efficiently empty (emitted doses >80%) and deliver the aerosol to infant lungs (lung delivery efficiency of ~60% of the loaded dose). Significant features include internal flow structure of t…
USPTO Abstract
Proposed devices operate on positive pressure with as little as 5-6 ml of air and can efficiently empty (emitted doses >80%) and deliver the aerosol to infant lungs (lung delivery efficiency of ~60% of the loaded dose). Significant features include internal flow structure of the air-jet DPI, automatic gas sources, infant-specific interfaces, small diameter nasopharyngeal tubes, sealed nasal prongs, 3D rod array preceding patient interface, nasal CPAP rapid aerosol delivery system, nasal CPAP streamlined interface, multidose storage and delivery unit, and pressure sensing near the infant airways (at the nasal cannula interface).
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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