FIELD: medical engineering. SUBSTANCE: device has endoprosthesis neck designed as compound spring which one end is fixed near the head base and the free end is longitudinally movably mounted in recess near the upper end of pedicle. Leaf positioned on convex spring is fixed on the upper end of pedicle. EFFECT: high stability of fixation. 2 dwg
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Authors
Dates
2000-12-10—Published
1999-09-16—Filed