EP0561838A1 — Powdered medicament dispensing device.
Assigned to Norton Healthcare Ltd · Expires 1993-09-29 · 33y expired
What this patent protects
A powder inhalation device comprising a powder container (42) which can hold powdered medicine (44) and an air volume (46), a metering chamber (48) extending from the powder container to allow the medicament to be removed from the reservoir in discrete quantities and a means for …
USPTO Abstract
A powder inhalation device comprising a powder container (42) which can hold powdered medicine (44) and an air volume (46), a metering chamber (48) extending from the powder container to allow the medicament to be removed from the reservoir in discrete quantities and a means for compressing the air in the reservoir, a passage being provided to allow air to be released from the powder reservoir through the dosing chamber and into the atmosphere while the air pressure in the powder container is increased.
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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