CA Patent

CA2179202C — Powder inhalator

Assigned to Merck Patent GmbH · Expires 2006-06-06 · 20y expired

What this patent protects

A device for dispensing doses of powdered material comprises a housi ng (12, 10; 100) which houses a cylindrical container (20: 158). The container has a number of helically arranged compartments (159) each of which contains a respective dose of powdered material. In order to dis…

USPTO Abstract

A device for dispensing doses of powdered material comprises a housi ng (12, 10; 100) which houses a cylindrical container (20: 158). The container has a number of helically arranged compartments (159) each of which contains a respective dose of powdered material. In order to dispense the material from a compartment, that compartment is moved into registry with an airway in the device by means of an indexing mechanism, and the user sucks on a mouthpiece (10, 102) on the housing, which mouthpiece communicates with an air inlet (34, 180) via the airway. The flow of air through the airway ejects the dose of material. The container can constitute a replaceable cartridge. The devic e isparticularly suitable for use as an inhaler for disp ensing powdered medicament.

Drugs covered by this patent

Patent Metadata

Patent number
CA2179202C
Jurisdiction
CA
Classification
—
Expires
2006-06-06
Drug substance claim
No
Drug product claim
No
Assignee
Merck Patent GmbH
Source
FDA Orange Book + USPTO grounding via Google Patents

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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