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:
Jul. 02, 2013
Filed:
Sep. 26, 2008
Yoshihiro Oi, Osaka, JP;
Shintaro Adachi, Naka-gun, JP;
Takaaki Nakao, Naka-gun, JP;
Otsuka Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
The present invention provides an improved metered dose inhaler utilizing the property of the aerosol canister. The metered dose inhaler includes: a housing body (); an aerosol canister () including a canister body (), a valve stem (), and a spring urging the valve stem, wherein the valve stem () is held at a fixed position inside the housing body (), and wherein the canister body () is supported inside the housing body () to be depressible against a spring force of the spring; a dose counter () including display members () and () rotatably supported inside the housing body (), and a control lever () swingably supported inside the housing body () to rotate the display member (); and a control cap () including a junction member rotatably joined to the control lever (), and a cap portion () which sheaths the canister body () from a bottom side of the canister body (), wherein the control cap () causes the control lever () to swing.