FIELD: medicine. SUBSTANCE: device has on-bone plate 1 with tapered staggered holes 2, longitudinal groove 3 and seat in the form of cylindrical hole 4. Device also includes contractor made as threaded rod 5 with tail-piece 6 to be installed in seat, and washer 7 with hook 8 and nut 9 positioned on rod 5. In addition, device is provided with at least one cover-plate made as half-ring 10 with through hole 11 arranged on plate. Washer 7 is manufactured as two-toothed fork. Rod 5 has two parallel flats 12 for two-toothed fork. Tail-piece 6 is L-shaped. EFFECT: more effective fixation of bone fragments. 1 dwg
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