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:
Apr. 08, 2008
Filed:
May. 13, 2003
Tatsuo Tsutsui, Yokohama-shi, Kanagawa, JP;
Tatsuo Tsutsui, Yokohama-shi, Kanagawa, JP;
Bioactis Limited, Tokyo, JP;
Other;
Abstract
In a device to deliver a powdery medicine into a nasal cavity, one-way valveis built in an air flow passageof a capsule housing/holding part, the one-way valveis controlled for the opening pressure by a springand opens by a pressure of air from the pump, the one-way valve enddoes not interfere the setting/detaching operation of the capsule setting/detaching partand the capsule K when the one-way valveis opened and intrudes as far as the inside of the capsule to disperse the medicine in the capsule K when the one-way valveis opened by pressing of the pumpupon dosing thereby capable of reliably dosing at a adequate dose also including the medicine falling as far as the one-way valveto the nasal cavity of the user.