FIELD: medical equipment, particularly, pressure-regulation ear plugs. SUBSTANCE: pressure-regulation ear plug is designed for regulation of change rate of pressure inside ear to minimize excessive pressure between middle ear and space in ear canal adjacent to tympanic membrane. Ear plug is made for tight fitting inside ear canal with no passage of air or with minimum passage of air. Ear plug accommodates pressure regulator ensuring low air passage rate. Pressure regulator is preferably made of porous ceramic material. EFFECT: reduced pain caused by deformation of tympanic membrane. 7 cl, 15 dwg
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