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