A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 15/00 (2006.01) A61M 11/00 (2006.01)
Patent
CA 2162639
The precipitation system comprises a collection tube (1) which can be fitted onto the powder inhaler with a mouthpiece (3) and a centrifugal precipitator (2,6) arranged in the collection tube (1). This centrifugal precipitator has at least one spin-producing surface (2) which produces a spin flow in the collection tube (1), as a result of which the heavy coarse powder particles are precipitated on the inner wall of the collection tube (1) while the lighter finepowder particles pass into the mouthpiece (3) due to a flow which is essentially restricted to the area surrounding the tube axis.
Herold Heiko
Wollenschlager Axel
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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