A disposable aerosol inhalation device for use in producing properly sized radioactive tagged particles. A mouthpiece is attached to a wye connector containing a valving system for inhalation of the radioactive aerosol and exhalation to an entrapping filter. Conduits are respectively provided by flexible...http://www.google.es/patents/US4598704?utm_source=gb-gplus-sharePatente US4598704 - Aerosol inhalation device
