Otsuka Pharmaceutical Company, Limited

Yoshihiro Oi

Shohei Yamada

Masanori Takahashi

Michiaki Tominaga

Koichi Shinhama

Kaoru Abe

Junichi Kawasaki

Yoshihiro Nishioka

Takuji Bando

Youichi Taniguchi

Shintaro Adachi

Noriyuki Kobayashi

Makoto Ishigami

Tomonori Nakagawa

Tsuyoshi Yabuuchi

Kenji Tomikawa

Takaaki Nakao

Satoshi Aoki

Kiyoshi Fujimoto

Naoto Utsumi

Tsutomu Fujimura

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.

Metered dose inhaler

Growing community of inventors

Osaka, Japan

Yoshihiro Oi