INHALER FOR DOSIMETRIC ADMINISTRATION OF MEDICINAL POWDER BY NATURAL INHALATION Russian patent published in 1997 - IPC

FIELD: medical engineering; inhalation of medicinal powders. SUBSTANCE: inhaler comprises container filled with powder, metering-out chamber and means for providing air pressure in container. Metering-out chamber is movable for introducing metered-out dose into air duct. Inhaler body comprises through-going channel intended to put metering-out chamber interior and container interior in communication with atmosphere as air pressure in container increases. EFFECT: improved design. 7 cl, 3 dwg