DEVICE WITH SET OF INSTRUMENTS FOR CORRECTION OF CURVATURES AND STABILIZATION OF VERTEBRAL COLUMN SEGMENTS Russian patent published in 1999 - IPC

FIELD: medicine; traumatology; orthopedics. SUBSTANCE: device is essentially distractor with crank-and-pawl mechanism for closing the upper bearing hook. Distractor is deformed relative to deformation of vertebral column without loss of its stiffness. Developed form of crank-and-pawl mechanism excludes fracture of construction. Sharp hook is positioned on bony support by means of two catches without preliminary formation of bed in any sharp way. Side grooves provided on hook ensure reliable fixing of hook by catches. Supporting plate provides for reliable fixing of construction on side mass of sacrum. EFFECT: simplified technology of distractor installation, reduced time of operation, prophylaxis of complications, reliable fixing. 1 dwg