WIT Press


Optimum Topology Design Of An Interbody Fusion Implant For Lumbar Spine Fixation

Price

Free (open access)

Paper DOI

10.2495/OP030321

Volume

67

Pages

12

Published

2003

Size

686 kb

Author(s)

A. Tovar, J. E. Renaud & J. J. Mason

Abstract

Optimum topology design of an interbody fusion implant for lumbar spine fixation A. Tovar, J. E. Renaud & J. J. Mason Department of Aerospace and Mechanical Engineering, University of Notre Dame, USA. Abstract The goal of this research is to obtain the optimal topology of a new interbody fusion implant for use in lumbar spine fixation. A new minimally invasive surgical technique for interbody fusion is currently in development. The procedure makes use of an interbody fusion implant that is inserted between the vertebral bodies to be fused. The interbody fusion implant is packed with bone graft material to facilitate the fusion of the two vertebral bodies. The implant must be capable of supporting the mechanical loads of the lumbar spine while solid fusion of the vertebral bodies occurs. The implant restrains the bone graft material and maintains proper intervertebral spacing during fusion. Finite element analysis and topology optimization software are used to drive the topology design of the im

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