Statistical Finite Element Model for Bone Shape and Biomechanical Properties

  • Laura Belenguer Querol
  • Philippe Büchler
  • Daniel Rueckert
  • Lutz P. Nolte
  • Miguel Á. González Ballester
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4190)


We present a framework for statistical finite element analysis combining shape and material properties, and allowing performing statistical statements of biomechanical performance across a given population. In this paper, we focus on the design of orthopaedic implants that fit a maximum percentage of the target population, both in terms of geometry and biomechanical stability. CT scans of the bone under consideration are registered non-rigidly to obtain correspondences in position and intensity between them. A statistical model of shape and intensity (bone density) is computed by means of principal component analysis. Afterwards, finite element analysis (FEA) is performed to analyse the biomechanical performance of the bones. Realistic forces are applied on the bones and the resulting displacement and bone stress distribution are calculated. The mechanical behaviour of different PCA bone instances is compared.


Finite Element Analysis Biomechanical Property Statistical Shape Model Bone Shape Biomechanical Performance 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Laura Belenguer Querol
    • 1
  • Philippe Büchler
    • 1
  • Daniel Rueckert
    • 2
  • Lutz P. Nolte
    • 1
  • Miguel Á. González Ballester
    • 1
  1. 1.MEM Research CenterUniversity of BernSwitzerland
  2. 2.Visual Information Processing, Department of ComputingImperial College LondonUK

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