Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1993-07-14
1995-12-19
Asher, Kimberly L.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820312, A61M 1500, A61M 1610
Patent
active
054760933
ABSTRACT:
A device for a more effective pulverization of particles and/or agglomerates of a powdered inhalation medicament, comprises a chamber suitable for receiving medicament which is substantially closed at one end thereof. The chamber is provided with at least one air inlet port and a powdered medicament outlet port. The chamber is rotationally symmetrical in shape and preferably its cross-section perpendicular to the center axis thereof is substantially circular in shape. The chamber also is without substantial flow obstacles. The inlet and outlet ports are spaced from each other in the direction of the center axis of chamber, with the inlet port being designed to direct the air inflow into the vortex chamber substantially parallel to the tangent of the chamber.
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Asher Kimberly L.
Huhtamaki Oy
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