Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Reexamination Certificate
2007-06-12
2007-06-12
Mitchell, Teena K. (Department: 3771)
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
C128S200230
Reexamination Certificate
active
11125615
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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European Search Report from corresponding European divisional application No. 04008146.5.
Andersson Jan
Conway John
Dagsland Allan
Heckenmueller Harald
Rollwage Uwe
AstraZeneca AB
Fish & Richardson P.C.
Mitchell Teena K.
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