Invention Grant
US07862594B2 Polyaxial pedicle screw assembly 有权
多轴椎弓根螺钉总成

Polyaxial pedicle screw assembly
Abstract:
A pedicle fixation assembly and method for assembly comprises a screw head comprising a male bulbous end; a bone fixator component comprising a female concave semi-spherical socket for receiving the screw head; a locking saddle pin for engaging the screw head and the bone fixator component; and a blocker for engaging the screw head and for securing the longitudinal member.
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