FIELD: medical engineering. SUBSTANCE: inhaler has variable-volume chamber, air-intake tube with spraying cat at its lower end, exhalation valve and respiratory tube with changeable headpieces. Inhalation liquid is sprayed by fresh inhaled air through holes provided in upper plane of cap. Inhaler ensures separate adjustment of loads on lungs at inhalation and exhalation in optimal modes of operation. Volume of repeatedly inhaled air saturated with carbon dioxide is controlled due to variation of aerosol chamber volume. Inhaler may be used as respiratory trainer. EFFECT: improved design. 1 dwg
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