FIELD: medical engineering.
SUBSTANCE: device has rod 1, proximal portion 6 of which is introducible into femur metaphysis. The proximal portion has projecting rib 8 on anterior and posterior side. Medial border 23 is directed at least partially on its length in a direction different from longitudinal one 27 of rod 1. The direction deviates upwards to femur neck 2. Medial border 23 is steep. Rib 8 having edge restricted with steep border 23 has height lowering in lateral direction.
EFFECT: provided resistance caused by unloading of bone degradation.
5 cl, 6 dwg
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