Details for Patent: 5,817,028

Summary for Patent: 5,817,028

Title:	Method and device for the provocation of air passage narrowing and/or the induction of sputum
Abstract:	A method as described for testing the susceptibility of a person to asthma. The person inhales an effective amount of sodium chloride, mannitol or another substance capable of altering the osmolarity of airway surface liquid in the subject. The substance is in the form of a dispersible dry powder containing an effective proportion of particles of a respirable size. The subject is then measured to detect airway narrowing which is indicative of a propensity for asthma. The same technique of dry powder inhalation can be used to test for the susceptibility of a person to rhinitus, to induce sputum and promote mucociliary clearance.
Inventor(s):	Anderson; Sandra Doreen (Birchgrove, AU)
Assignee:	Central Sydney Area Health Service (Camperdown, AU)
Application Number:	08/696,987
Patent Claim Types: see list of patent claims	Use; Dosage form;

Drugs Protected by US Patent 5,817,028

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: 5,817,028

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Australia	PM4114	Feb 25, 1994

PCT Information
PCT Filed	February 23, 1995	PCT Application Number:	PCT/AU95/00086
PCT Publication Date:	August 31, 1995	PCT Publication Number:	WO95/22993

International Family Members for US Patent 5,817,028

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	474583
Australia	1748295
Australia	682756
Australia	PM411494
Canada	2183471
China	1075737