FIELD: devices for inhalation.
SUBSTANCE: container for an inhaler comprising a powder system containing a first plurality of particles having a particle size of 10 micrometers or less; a second plurality of particles having a particle size of 20 micrometers or more is disclosed; moreover, in the powder system, the weight ratio of the first plurality of particles to the second plurality of particles is from 1:1 to 10:1; a single hole passing through the container and having a diameter of 0.5 to 1.5 mm, or the open surface area of the said single hole is in the range from 0.1 to 0.5% of the total surface area of the container. Also a nicotine delivery system containing the said container is disclosed.
EFFECT: group of inventions ensures reliable and stable delivery of particles throughout the entire period of use of the device.
15 cl, 9 dwg, 1 tbl, 1 ex
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|
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