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Last Updated: March 29, 2024

Details for Patent: 4,907,583


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Summary for Patent: 4,907,583
Title: Device in powder inhalators
Abstract:Device in a previously known powder inhalator intended for inhalation of an air flow which contains pharmacologically active compound in micronized form. The powder inhalator comprises a nozzle unit (2) with a nozzle aperture (2a) as well as a container unit (3) with a releasing or dosing unit (6) for delivering the active compound. The air flow generated by inhalation is at least partly aspirated through an air conduit (7) located in the container unit (3), which conduit extends from an air inlet (8), communicating with the environment, via said releasing or dosing unit (6), up to said nozzle unit (2). According to the invention, deflector devices are stationarily arranged in the container unit (3) and/or in the nozzle unit (2), said deflector devices, for example in the shape of a helical channel portion (13), being arranged to create a powerful deflecting movement for the purpose of disrupting said powder particles into the respirable particle size distribution (less than 5 .mu.m).
Inventor(s): Wetterlin; Kjell I. L. (S Sandby, SE), Virtanen; Risto (Nurmijarvi, FI), Andersson; Jan A. R. (S Sandby, SE)
Assignee: Aktiebolaget Draco (Lund, SE)
Application Number:07/287,611
Patent Claim Types:
see list of patent claims
Compound; Delivery; Device;

Drugs Protected by US Patent 4,907,583

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 4,907,583

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Sweden86010600Mar 07, 1986

International Family Members for US Patent 4,907,583

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 70720 ⤷  Try a Trial
Australia 601400 ⤷  Try a Trial
Australia 6960487 ⤷  Try a Trial
Canada 1276848 ⤷  Try a Trial
Cyprus 1798 ⤷  Try a Trial
Germany 237507 ⤷  Try a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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