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

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Pages (from-to)679-687
Number of pages9
JournalComputer-Aided Design and Applications
Volume16
Issue number4
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

Cage
Spine
Surgery
Fusion
Fusion reactions
Physical therapy
Stress Analysis
Pain
Stress analysis
Joining
Therapy
Layout
Metals
Prototype
Design
Simulation

All Science Journal Classification (ASJC) codes

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

Cite this

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A novel design of an expandable cage used in posterior interbody fusion for lumbar spine surgery. / Fang, Jing Jing; Hsiao, Yu Ching; Lin, Ruey Mo.

In: Computer-Aided Design and Applications, Vol. 16, No. 4, 01.01.2019, p. 679-687.

Research output: Contribution to journalArticle

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