Journal of Northeastern University(Natural Science) ›› 2022, Vol. 43 ›› Issue (1): 76-82.DOI: 10.12068/j.issn.1005-3026.2022.01.011

• Mechanical Engineering • Previous Articles     Next Articles

Effects of Different Interbody Fusion Methods on Dynamic Characteristics of Lumbar Spines

WANG Qing-dong, GUO Li-xin, ZHANG Chi, ZHANG Dong-xiang   

  1. School of Mechanical Engineering & Automation, Northeastern University, Shenyang 110819, China.
  • Revised:2021-05-01 Accepted:2021-05-01 Published:2022-01-25
  • Contact: GUO Li-xin
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Abstract: Based on the finite element method, the effects of four different methods of lumbar interbody fusion (ALIF, PLIF, TLIF and DLIF) on the lumbar fusion segments and adjacent segments under the condition of whole-body vibration were compared. Some important indexes related to complications such as stress distribution, stress peak and stress amplitude were introduced and compared. The results showed that ALIF can provide a more stable environment for the adjacent segments in the whole-body vibration state among the four different methods, and this method has better anti-vibration performance. Compared with the other methods, DLIF can reduce the risk of cage subsidence and failure. Besides, DLIF can provide a more stable and suitable environment for the growth of vertebral cells in the state of whole-body vibration, which is more conducive to the success of vertebral fusion.

Key words: anterior lumbar interbody fusion(ALIF); posterior lumbar interbody fusion(PLIF); trans-foraminal lumbar interbody fusion(TLIF); direct lateral lumbar interbody fusion(DLIF); whole-body vibration

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