The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 1998
Filed:
Feb. 03, 1997
Brindra Paul Chawla, Nottingham, GB;
Fisons plc, Suffolk, GB;
Abstract
A device for the administration of powdered inhalation medicament contained initially in a capsule having at least one aperture formed therein, comprising a swirl chamber (1) adapted to receive the medicament capsule; a mouthpiece (2) communicating with the swirl chamber (1) and separated therefrom by a grid (4); at least one air inlet (5) in tangential communication with the swirl chamber (1) whereby air can be drawn through the device via the mouthpiece (2) to cause a swirling air flow through the swirl chamber (1); and a cover member (7), having a continuous substantially planar inner surface, provided on the base of the swirl chamber (1) remote from the mouthpiece (2); said cover (7) being moveable between a first position in which the capsule can be inserted into the swirl chamber (1) and a second position in which the capsule is retained in the swirl chamber (1) and rotates upon air being drawn through the device, thereby dispensing the medicament contained therein.