Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Reexamination Certificate
2008-04-08
2008-04-08
Douglas, Steven O. (Department: 3771)
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
C128S203150, C128S203190
Reexamination Certificate
active
07353823
ABSTRACT:
In a device to deliver a powdery medicine into a nasal cavity, one-way valve33is built in an air flow passage31of a capsule housing/holding part30, the one-way valve33is controlled for the opening pressure by a spring34and opens by a pressure of air from the pump50, the one-way valve end71does not interfere the setting/detaching operation of the capsule setting/detaching part40and the capsule K when the one-way valve33is opened and intrudes as far as the inside of the capsule to disperse the medicine in the capsule K when the one-way valve33is opened by pressing of the pump50upon dosing thereby capable of reliably dosing at a adequate dose also including the medicine falling as far as the one-way valve33to the nasal cavity of the user.
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patent: 3906950 (1975-09-01), Cocozza
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patent: 59-34267 (1984-02-01), None
patent: 9-253208 (1997-09-01), None
patent: 2001-95918 (2001-04-01), None
patent: 2004/087243 (2003-03-01), None
U.S. Appl. No. 10/550,490, in the name of Tatsuo Tsutsui, filed Mar. 27, 2003.
English Language Abstract of JP 5934267.
English Language Abstract of JP 2001-95918.
English Language Abstract of JP 9-253208.
Bioactis Limited
Douglas Steven O.
Greenblum & Bernstein P.L.C.
Tsutsui Tatsuo
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