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:
Nov. 30, 2004
Filed:
Dec. 18, 2002
Laurence Stanmore Huxham, Loughborough, GB;
Jörgen Rasmussen, Struer, DK;
AstraZeneca AB, Sodertalje, SE;
Abstract
An inhaler for delivery of medicament from a canister which is compressible to deliver a dose of medicament. The inhaler comprises a housing ( ) for holding a canister ( ), the housing having a mouthpiece ( ) for inhalation of a dose of medicament delivered by the canister ( ) and a breath-actuated actuation mechanism ( ) for compressing a canister ( ) held in the housing ( ) in response to inhalation at the mouthpiece ( ). The actuation mechanism ( ) includes a vane in the form of a flap ( ) disposed across a duct ( ) extending from the mouth piece ( ) arranged to lock the canister ( ) in a compressed state and being responsive to the inhalation at the mouthpiece ( ) to release the canister ( ) when the level of inhalation at the mouthpiece falls below a predetermined threshold.