A novel design of an expandable cage used in posterior interbody fusion for lumbar spine surgery

Jing Jing Fang, Yu Ching Hsiao, Ruey Mo Lin

研究成果: Article同行評審

摘要

Spinal fusion surgery is applied to permanent joining two or more vertebrae to solve uncontrollable human low back pain when physical therapy is helpless. An interbody fusion cage is a prosthesis used in spine fusion procedures to maintain foraminal height and decompression. We have designed and constructed the prototype expandable cage to be used in posterior lumbar interbody fusion (PLIF) surgery. Protocol of implanting the expandable cage was investigated via in Vitro simulation to examine its feasibility and stability. Repeating stress analysis was applied to the mechanisms and then layouts correction before metal manufacture. According to the analysis, the maximum stress of the cage is less than the yielding stress of the material, briefly conclude that our design is stress allowance.

原文English
頁(從 - 到)679-687
頁數9
期刊Computer-Aided Design and Applications
16
發行號4
DOIs
出版狀態Published - 2019

All Science Journal Classification (ASJC) codes

  • Computational Mechanics
  • Computer Graphics and Computer-Aided Design
  • Computational Mathematics

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