FIELD: medical engineering. SUBSTANCE: device has proximal and distal members and axle manufactured from aluminum oxide ceramic on the aluminum oxide base with magnesium oxide added. Articulated part of the proximal and distal members are porous and have porous surface. Elongated protrusions of the proximal and distal members are curved in the direction of flexion in the joint and have ellipsoid cross-section which longer axis is mainly in perpendicular relation to the flexion-extension direction in the joint. EFFECT: simplified design; high reliability of functioning; enhanced effectiveness of treatment. 8 cl, 2 dwg
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