An aerosol inhalation apparatus includes a disposable aerosol inhalation device for use in producing properly sized particles as a mist. The disposable device includes a nebulizer, a first conduit, a second conduit, a third conduit and a fourth conduit. Exhalation to an entrapping filter is effected...http://www.google.fr/patents/US4823784?utm_source=gb-gplus-shareBrevet US4823784 - Aerosol inhalation apparatus
