Mechanical behavior of a simple model of an intervertebral disk under compressive loading
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Biomechanical evaluation and comparison of polyetheretherketone rod system totraditional titanium rod fixation on adjacent levels
2013, Formosan Journal of Musculoskeletal DisordersCitation Excerpt :The lumbar spine will be modeled with anterior interbody fusion, posterolateral lumbar fusion and nonfusion conditions. A finite element model of L2–L5 was reconstructed from computed tomography (CT) scans from a 60-year-old man with no pathologies (144 slices at a thickness of 1.25 mm) (Fig. 1), and the material properties were adopted from literature13–18 (Table 1). Convergence for L2/3, L3/4, and L4/5 models was reached at 5778, 5342, and 5770 elements, respectively (Fig. 2).
Mechanical design criteria for intervertebral disc tissue engineering
2010, Journal of BiomechanicsCitation Excerpt :This rate dependence is dominated by fluid–solid interactions (poroelastic effects) rather than the intrinsic rate dependence of the solid ECM (viscoelasticity). Theoretical models have a history of application in disc research (Hickey and Hukins, 1980; Spilker, 1980; Wu and Yao, 1976). Constitutive models, mathematical relationships between tissue deformation and stress, have been developed to better understand and characterize the structure–function behaviors of the AF (Eberline et al., 2001; Elliott and Setton, 2000; Guerin and Elliott, 2007; Guo et al., 2006; Klisch and Lotz, 1999; O'Connell et al., 2009; Sun and Leong, 2004; Wagner and Lotz, 2004; Yin and Elliott, 2005) and have recently been employed to generate quantitative measures of functional growth of engineered AF constructs (Nerurkar et al., 2007; Nerurkar et al., 2008b).
Statistical methods in finite element analysis
2002, Journal of BiomechanicsStress analysis of the disc adjacent to interbody fusion in lumbar spine
2001, Medical Engineering and PhysicsStress analysis of a canine spinal motion segment using the finite element technique
1994, Journal of BiomechanicsThe mechanical behaviour of bony endplate and annulus in prolapsed disc configuration
1993, Journal of Biomedical Engineering
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Assistant Professor of Structural Mechanics.