UNIVERSAL HEARING PROTECTION DEVICE AGAINST ACOUSTIC POLLUTION Russian patent published in 2023 - IPC A61F11/06 

FIELD: medical devices.

SUBSTANCE: device belongs to the means of personal protection of human hearing organs from the negative effects of acoustic pollution and can be used in medical institutions, during psychological rehabilitation, as well as in everyday life, both at production sites and at home. The hearing protection device contains a headband, headphones with a protector made of sound-absorbing material. At the same time, the headband is made in the form of a bandage made of breathable material, on which two headphones are mounted. Moreover, the earphones are made in the form of a cup-shaped shape, repeating the contour of the outer ear, and are made of materials that reduce the energy of sound waves and are glued together. Moreover, the inner layer is made of non-woven material, the middle layer is made of foamed polyethylene with double-sided foil coating, the outer layer is made of foamed rubber. The headphones are equipped with a hollow obturator along the outer contour, made of an elastic material, repeating the shape of the contour of the outer ear, the inner cavity of the obturator is filled with a plastic material. The inner part of the earpiece contains a hollow in-ear acoustic protector made of a hypoallergenic elastic material, the cavity of which is filled with a plastic material.

EFFECT: proposed device allows to minimize the negative impact of acoustic pollution on humans.

1 cl, 1 dwg