Otsuka Pharmaceutical Company, Limited

Otsuka Techno Corporation

Yusuke Ogawa

Shintaro Adachi

Tetsuya Sato

Toru Nishibayashi

Shinichi Ishikawa

Takaaki Nakao

Yuji Sugahara

Hiroyuki Yamazaki

Yoshiteru Ishikawa

Kousuke Toujou

A powder inhaler includes: a housing having a port; a storage member located in the housing for storing a powder medicament; and a medicament-delivery member provided in the housing. The medicament-delivery member includes at least one concave portion for receiving medicament, and is capable of taking, relative to the storage member, a receiving position wherein the concave portion receives a predetermined amount of powder medicament from the storage member, and an inhalation position wherein the powder medicament can be inhaled through the admission port; and a stirring member for stirring the powder medicament stored in the storage member. An operation button is provided in the housing and is capable of moving between the initial position and a depressed position, while the operation button reciprocates between the initial position and the depressed position, the concave portion in the medicament-delivery member moves from the receiving position to the inhalation position and the stirring member operates.

Powder inhaler

A flexible and restorable container main body for housing a medicinal solution. A stopper member is fixed in an inside of a medicinal solution passage that communicates with the container main body for discharging the medicinal solution when the container main body is pressed and deformed. A pressure valve is arranged in the medicinal solution passage at a downstream side in the medicinal solution discharge direction further than the stopper member and is formed with an opening having a circular cross section which contacts a tip portion of the stopper member. A biasing member is provided at a downstream side for biasing the pressure valve in a direction opposite to the medicinal solution discharge direction by abutting against a peripheral portion of the opening of the pressure valve.

Container for eye drops

Growing community of inventors

Tokushima, Japan

Yusuke Ogawa