A disposable shielded device for producing aerosol having particles less than 2 microns in size from an aqueous colloidal suspension obtained from human serum albumen and labelled with .sup.99m Technetium for use in scintigraphic imaging of pulmonary function. The device includes a nebulizing chamber...http://www.google.de/patents/US5139016?utm_source=gb-gplus-sharePatent US5139016 - Process and device for aerosol generation for pulmonary ventilation scintigraphy
