FIELD: medical engineering. SUBSTANCE: device has bearing and functional parts made from human fetus hard tissues. The bearing part is made in form of Z-shaped curved plate for the left ear and mirror-image Z-shaped curved plate in the case of the right ear. Its end links are triangular and the middle one is polygonal. The functional part is made in symmetrical relation to the Л-shaped form and is engageable with the bearing part. In this case one link is hammer prosthesis and the other additionally curved one is anvil-and-stirrup prosthesis. EFFECT: improved auditory function. 4 dwg
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