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Determining the location of hip joint centre: application of a conchoid's shape to the acetabular cartilage surface of magnetic resonance images

Author

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  • M.J. Kang
  • H. Sadri
  • R. Stern
  • N. Magnenat-Thalmann
  • P. Hoffmeyer
  • H.S. Ji

Abstract

Preoperative planning, or intraoperative navigation of hip surgery, including joint-preserving procedures such as osteotomy or joint-replacing procedures such as total arthroplasty, needs to be performed with a high degree of accuracy to ensure a successful outcome. The ability to precisely localise the hip joint rotation centre may prove to be very useful in this context. The human hip joint has been shown to be a conchoid shape, and therefore the accurate location of the hip joint centre (HJC) cannot be computed simply as the centre of a sphere. This study describes a method for determining the HJC by applying a conchoid shape to the acetabular cartilage surface of magnetic resonance images, in order to increase the accuracy of the HJC location which had previously been calculated by a functional method using reconstructed three-dimensional surface bony models. By approximating a conchoid shape to the acetabulum, it was possible to compensate for HJC calculation errors.

Suggested Citation

  • M.J. Kang & H. Sadri & R. Stern & N. Magnenat-Thalmann & P. Hoffmeyer & H.S. Ji, 2011. "Determining the location of hip joint centre: application of a conchoid's shape to the acetabular cartilage surface of magnetic resonance images," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 14(01), pages 65-71.
    • Handle: RePEc:taf:gcmbxx:v:14:y:2011:i:01:p:65-71
    DOI: 10.1080/10255842.2010.495064
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    Cited by:

    1. Pietro Cerveri & Alfonso Manzotti & Guido Baroni, 2014. "Patient-specific acetabular shape modelling: comparison among sphere, ellipsoid and conchoid parameterisations," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 17(5), pages 560-567, April.

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