目的：结合临床实践，分析新型椎弓根固定器的设计特点和复位作用。
Aim:The design features and reduction efficaty of a new pedicle screw fixator were analyzed according to clinical practice.
说明胸椎经椎弓根螺钉可较安全地置入椎弓根，内固定器能很好地复位骨折椎体，间接减压椎管。
The transpedicular screw of thoracic vertebrae can be placed safely into pedicle, and the internal fixators may reduce vertebral fracture and decompress vertebral canal indirectly.
经椎弓根外固定器可灵活调整器械结构，使病椎后柱加压固定效果更为直接。
With the transpedicular external fixation, it is possible to provide a direct effect in posterior column because external fixation apparatus can be easily performed.
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