Details for Patent: 4,907,583

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Summary for Patent: 4,907,583

Scope and claims summary:

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

Glossary

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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
Sweden	86010600	Mar 07, 1986

International Family Members for US Patent 4,907,583

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	70720	⤷ Subscribe
Australia	601400	⤷ Subscribe
Australia	6960487	⤷ Subscribe
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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