Improved aerosol inhalation devices including a nebulizer and a rain-off chamber for returning droplets of liquid medication or diagnostics exhaled by the patient back to the nebulizer for reatomization....http://www.google.es/patents/US5611332?utm_source=gb-gplus-sharePatente US5611332 - Aerosol inhalation device containing a rain-off chamber
Aerosol inhalation device containing a rain-off chamber
