FIELD: medicine.
SUBSTANCE: invention relates to medicine and is intended for diagnostics of diseases of larynx and hypopharynx when carrying out computer tomography. Device contains hollow tube for exhaling air and manometre with scale and arrow, removable replaceable mouthpiece, which tube for air exhaling is provided with. Metal plate is placed with possibility to make contact with manometre arrow when intrathoracic pressure reaches 30-35 mm Hg. Unit of light indication switches on the bulb located on unit of light indication with possibility to light when contact between plate and arrow is closed to signal about correct carrying out Valsalva test and performing computer scanning.
EFFECT: providing possibility to obtain distinct image of pear-shaped sinuses in case of larynx and hypopharynx tumours.
1 dwg, 2 ex
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