Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1994-05-03
1997-04-08
Asher, Kimberly L.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820312, A61M 1500, A61M 1600, B05D 714, B65D 8306
Patent
active
056178450
ABSTRACT:
The invention relates to a propellant-free inhaler which has a storage chamber (6) for a powdered substance to be inhaled, which is associated with a metering device (8), which is manually operated by means of a button, having a metering chamber (7) for receiving a given dose of the powdered substance. The device also has a lateral mouth piece (11) for active breathing in, with an air channel (7) for distributing the particular dose of the powdered substance in the air stream. To ensure that the dosage provided is highly reproducible, a high proportion of this dose leaves the inhaler and the medicinal substance is reproducibly dispersed, a trigger operated pump (12,19,20) is provided which can be manually primed before the inhalation process by means of a button (1,42) and which can be actuated in synchronism with the breathing, thereby generating a current of foreign air which disperses the metered substance.
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Kuhnel Andreas
Poss Gerhard
Wittekind Jurgen
Asher Kimberly L.
Boehringer Ingelheim KG
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