Inhalation device and method for production of a particulate mist for inhalation purposes
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United States of America Patent
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Issued Date -
Sep 4, 2003
app pub date -
May 6, 2003
filing date -
Aug 18, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The inhalation device comprises an oscillator (1), on which a powder (6) for nebulisation may be placed, containing a medicament and which may be activated in order to nebulise the applied powder, a mixing chamber (2) into which the powder particles are thrown and where an aerosol cloud (6a) is formed from incoherent particles, an inhalation check valve (3) which permits ambient air into the mixing chamber (2) during inhalation to evacuate the particle cloud (6a) and an exhalation check valve (4), by means of which expired air is led off into the environment to prevent damp breath entering the mixing chamber (2) during exhalation.
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