Multi dose inhaler apparatus
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United States of America Patent
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-
Apr 27, 1999
Issued Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Dec 24, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
An inhaler for inhalation of a medicament from a pierced capsule has a swirling or emptying chamber where the capsule is emptied by inhalation action of an operator. A rotary magazine for a multi-unit does inhaler which holds a number of capsules containing a medicament in a number of recesses arranged around the periphery of the magazine. The capsules are held in place by pins or plugs at both ends. Either the capsules are pierced before being loaded into the magazine or they are pierced by the pins when they are loaded into the magazine. In either case a seal may be provided around the ends of the capsules near the holes which are plugged to keep them fresh. When a recess is rotated to a particular position within the magazine then it releases its capsule. Contents of a capsule are drawn out during inhalation when the capsule is in the swirling chamber. A motor can be used to operate the magazine.
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