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- W4251765202 abstract "Lumbar spinal fusion or lumbar interbody fusion is a surgical procedure done by putting the cages implant between the lumbar vertebra supported by rods and screws to hold the vertebra. This procedure is commonly used to treat disc degeneration diseases and other medical conditions. However, failure of the subcutaneous vertebral endplate has been identified to increase the possibility of biomechanical instability. There are broad range of designs and material types of the spinal implant cages that can be used in spinal fusion. Posterior lumbar interbody fusion (PLIF) cage is used to preserve stability and stimulate fusion between vertebrae. There are four different types of biomaterials that can be used to produce the cage namely as metal, ceramic, polymer and composite. The objective of this project is to examine the interbody fusion effects of a several type of cage’s materials. A 3D finite element model of third (L3) and fourth lumbar (L4) vertebrae with interbody fusion made up of different types of cage’s materials namely as Polyether ether ketone (PEEK), poly lactic acid (PLA), Cobalt Chromium, Titanium Alloy and Stainless Steel were developed and analysed. A fusion model developed based on the respective surgical protocols. The resulting stress and displacement within the cage at the vertebra were measured under different types of compressive loadings and motions. The results indicated an important effects of the material properties on flexibility in extension, axial rotation and lateral bending. Titanium Alloy have been identified as a good material for the metal categories, while for the composite categories PLA (Polylactic acid) has also been simulated as the best alternative material with cheaper material and lower production costs." @default.
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- W4251765202 date "2019-11-30" @default.
- W4251765202 modified "2023-09-30" @default.
- W4251765202 title "Biomechanical Analysis of Spinal Fusion Cage for Lumbar Vertebrae" @default.
- W4251765202 doi "https://doi.org/10.35940/ijrte.d5206.118419" @default.
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