Biomechanical effect of constraint in lumbar total disc replacement: a study with finite element analysis.


STUDY DESIGN Biomechanical effect of implantation of an artificial disc (AD) was investigated using the nonlinear three-dimensional finite element model of L4-L5. The SB CHARITE and the Prodisc were chosen as the representative prosthesis of unconstrained and constrained ADs (UADs and CADs) and compared with the intact human intervertebral disc. OBJECTIVE… (More)
DOI: 10.1097/BRS.0b013e3181a4ec2d


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