New nebulizer equipped with Selector M.
The selector M uses the surface pressure and liquid gravity to reduce by a factor 2 the drug loss from nebulizer.
The selector M enables to reduce drug dumping in the atmosphere by using droplet impact principle in nebulizer.
Inhaling phase:
Aerosol is produced by air decompression,
Smallest particles are selected,
Patient inhaled air improve aerosol production: breath enhanced nebulizer,
Biggest accumulated particles are recycled at selector M bottom.
Exhalation phase:
Exhausted particles in nebulizer are speeded up in selector M,
Biggest particles return directly to liquid stage,
The light fraction only is rejected out of the nebulizer.
Approved by:
ASTRA FRANCE for PULMICORT-SUSPENSION
ROCHE GENENTECH pour PULMOZYME
connected to the compressor ref. AL.
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