此次实验研究的是单个椎体的螺钉拔出力。

This experiment researched the drawn force of the single centrum pedicle screws.

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位置不良胸椎椎弓根螺钉拔出力量化研究：究竟损失了多少？

Quantitative analysis of misplaced pedicle screws in the thoracic spine: how much pullout strength is lost?

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目的：本研究目的是调查置钉位置不当引起医源性椎弓根壁穿破对胸椎椎弓根螺钉平均拔出力的影响。

Object: The object of this study was to investigate the effects of iatrogenic pedicle perforations from screw misplacement on the mean pullout strength of thoracic pedicle screws.

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