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Fit optimisation of a distal medial tibia plate

Author

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  • Beat Schmutz
  • Martin E. Wullschleger
  • Hansrudi Noser
  • Mark Barry
  • John Meek
  • Michael A. Schütz

Abstract

An iterative method for the fit optimisation of a pre-contoured fracture fixation plate for a given bone data set is presented. Both plate shape optimisation and plate fit quantification are conducted in a virtual environment utilising computer graphical methods and 3D bone and plate models. Two optimised shapes of the undersurface of an existing distal medial tibia plate were generated based on a dataset of 45 3D bone models reconstructed from computed tomography image data of Japanese tibiae. The existing plate shape achieved an anatomical fit on 13% of tibiae from the dataset. Modified plate 1 achieved an anatomical fit for 42% and modified plate 2 a fit for 67% of the bones. If either modified plate 1 or plate 2 is used, then the anatomical fit can be increased to 82% for the same dataset. Issues pertaining to any further improvement in plate fit/shape are discussed.

Suggested Citation

  • Beat Schmutz & Martin E. Wullschleger & Hansrudi Noser & Mark Barry & John Meek & Michael A. Schütz, 2011. "Fit optimisation of a distal medial tibia plate," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 14(04), pages 359-364.
    • Handle: RePEc:taf:gcmbxx:v:14:y:2011:i:04:p:359-364
    DOI: 10.1080/10255842.2010.482044
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