Modular head assembly for spinal fixation
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United States of America Patent
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Oct 15, 2024
Grant Date -
Aug 31, 2023
app pub date -
Dec 23, 2021
filing date -
Nov 19, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A modular pedicle screw for spinal fixation. The pedicle screw includes a bone screw and a modular head assembly. The bone screw having a head and a shank, the head defining at least one groove. The modular head assembly includes a housing having a proximal end, a distal end and a throughbore extending along a longitudinal axis of the housing between the proximal and distal ends of the housing, and an anvil disposed within the throughbore. The modular head assembly includes at least one protrusion sized and shaped to be received by the at least one groove for restricting relative movement between the housing and the bone screw to a single plane.
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