FIELD: medical engineering. SUBSTANCE: this apparatus incorporates torsion correction module including spherical hinge holder, diagonally directed threaded turnbuckles, and units for fixing these directly to osteal wires and interaction with sagittal correction module. EFFECT: more reliable stabilization and broader range of controlled correction of vertebral column. 3 dwg
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Authors
Dates
1995-02-27—Published
1991-04-22—Filed