FIELD: medicine.
SUBSTANCE: device contains elastic balloon and case with openings for air supply which is hermetically fixed above one of case openings. Near lower base of balloon fixed is flexible longitudinal plate, whose free edge can be matched with mark made on balloon surface. Material and thickness of elastic polymer balloon walls are selected in such way that they ensure invariability of pressure in air duct cuff when volume in system of air duct cuff changes.
EFFECT: ensuring invariability of pressure in air duct cuff when volume in system of air duct cuff changes.
2 cl, 3 dwg, 2 tbl
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