Inhaler

Details Inhaler Inhaler

2008-10-23

2011-12-27

Yu, Justine (Department: 3771)

Surgery

Liquid medicament atomizer or sprayer

C128S200210

Reexamination Certificate

active

08082917

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.

REFERENCES:
patent: 6923179 (2005-08-01), Gupta et al.
patent: 2001/0020448 (2001-09-01), Vaartstra et al.
patent: 2008/0066749 (2008-03-01), Reichert et al.
patent: 2008/0092880 (2008-04-01), Ooida et al.
patent: 2008/0092888 (2008-04-01), Haroutunian
patent: 2008/0216824 (2008-09-01), Ooida
patent: WO 95/01137 (1995-12-01), None
patent: WO 96/09846 (1996-04-01), None
patent: WO 00/24362 (2000-04-01), None
patent: WO 02/04043 (2002-01-01), None

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