Details for Patent: 6,142,145

« Back to Dashboard

Summary for Patent: 6,142,145

Title:	Inhalation device
Abstract:	An inhaler for administering powder by inhalation, including an inhaler body having two ends and a peripheral wall therebetween; an inhalation unit disposed in the inhaler body, the inhalation unit comprising an inhalation channel, the inhalation channel having an air inlet and an outlet; a dosing unit disposed in the inhaler body for providing a dose of powder to the inhalation channel such that a stream of air containing powder may be drawn from the outlet of the inhalation channel on inhalation by a user; a divider having a first surface bounded by a periphery and which substantially closes one end of the inhaler body; a mouthpiece attached to the periphery of the divider, the mouthpiece having a substantially radially directed flange which provides a second surface and which, together with the first surface, defines an air chamber; a first inlet for the air chamber provided in the first surface within the periphery of the divider and in fluid communication with the outlet of the inhalation channel; a second inlet for the air chamber disposed in the first surface within the periphery of the divider and adjacent the first inlet, a stream of supplementary air in use being drawn through the second inlet on inhalation by the user; and a discrete opening in peripheral wall of the inhaler body which is in fluid communication with the second inlet of the air chamber.
Inventor(s):	Allan Dagsland, Karin Malmqvist-Granlund, Risto Virtanen
Assignee:	AstraZeneca AB
Application Number:	US09/068,379
Patent Claim Types: see list of patent claims	Delivery;

Drugs Protected by US Patent 6,142,145

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: 6,142,145

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Sweden	9700940	Mar 14, 1997

PCT Information
PCT Filed	March 13, 1998	PCT Application Number:	PCT/SE98/00460
PCT Publication Date:	September 24, 1998	PCT Publication Number:	WO98/41259

International Family Members for US Patent 6,142,145

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	6430698
European Patent Office	0975382
Sweden	9700940