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Finite element analysis of biomechanical effects of percutaneous cement discoplasty in scoliosis

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2024年4月12日

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  • Cunheng Yang,
  • Fumin Wang,
  • Xingxing Huang,
  • Hao Zhang,
  • Shengbo Shi,
  • Fangjun Meng Zhang,
  • Junxiao Gao,
  • Xiaobing Yu

摘要

Objective

To investigate the effect of bone cement on the vertebral body and biomechanical properties in percutaneous cement discoplasty (PCD) for degenerative lumbar disc disease.

Methods

Three-dimensional reconstruction of L2 ~ L3 vertebral bodies was performed in a healthy volunteer, and the corresponding finite element model of the spine was established. Biomechanical analysis was performed on the changes in stress distribution in different groups of models by applying quantitative loads.

Results

Models with percutaneous discoplasty (PCD) showed improved stability under various stress conditions, and intervertebral foraminal heights were superior to models without discoplasty.

Conclusion

Cement discoplasty can improve the stability of the vertebral body to a certain extent and restore a certain height of the intervertebral foramen, which has a good development prospect and potential.