FIELD: medicine.
SUBSTANCE: invention relates to medicine. Ratchet-gear vertebral device contains variable length element, containing ratchet gear, which has working configuration, allowing change of length of variable length element in opposite direction. Variable length element contains multiaxial connective elements for fixation to bone with possibility of rotation around several rotation axes, characterised by presence of transpedicular screws, which pass through said connective elements. Each of said transpedicular screws is characterised by presence of nut, which tightly fixes transpedicular screw in its place and in addition provides multiaxial rotation of said transpedicular screw.
EFFECT: invention provides complete correction of deformity.
13 cl, 15 dwg
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