Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Reexamination Certificate
2003-09-29
2010-11-30
Bianco, Patricia M (Department: 3772)
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
C128S203190, C128S200230, C128S203210, C128S200140, C128S203120, C128S200170
Reexamination Certificate
active
07841340
ABSTRACT:
A powder inhaler for administering powder by inhalation, comprising: a flow path defined by a plurality of surfaces through which a stream of air is in use drawn on inhalation by a user; and dosing means (18) for providing a dose of powder to the flow path for entrainment in the stream of air; characterized in that the inhaler further comprises dislodging means for dislodging powder accumulated on a surface of the flow path downstream of the dosing means (18).
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Letter from Japanese law firm explaining relevance of above-cited references.
Andersson Jan
Conway John
Dagsland Allan
Friess Stefan
Heckenmueller Harald
AstraZeneca AB
Bianco Patricia M
Finnegan Henderson Farabow Garrett & Dunner LLP
Patel Nihir
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