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:
Dec. 27, 2011
Filed:
Oct. 23, 2008
Junichi Ooida, Tokyo, JP;
Junichi Ooida, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
There is provided an inhaler that allows inhalation of droplets having a fixed diameter, regardless of the use condition of the inhaler. The inhaler allows a user to inhale medicine from a suction port thereof. The inhaler includes an air passage through which the medicine passes, the air passage being connected to the suction port, an opening attached to a medicine ejection portion for ejecting the medicine, and provided in a part of the air passage so that the ejected medicine is released into the air passage therethrough, a passage-length determining portion configured to determine the proper distance from the opening to the suction port in accordance with a size of droplets of the medicine ejected from the medicine ejection portion and/or an ejection frequency, and a passage-length changing mechanism configured to change the distance from the opening to the suction port.