Mechatronics pp 203-212 | Cite as

Shape Deviations of the Contact Areas of the Total Hip Replacement

  • V. Fuis
  • M. Koukal
  • Z. Florian

Abstract

One type of total hip replacement function loss is acetabular cup loosening from the pelvic bone. This article examines manufacture deviations as one of the possible reasons for this kind of failure. Both dimensions and geometry manufacturing deviations of ceramic head and polyethylene cup were analyzed. We find that deviations in the variables analysed here affect considered values of contact pressure and frictional moment. Furthermore, contact pressure and frictional moment are quantities affecting replacement success and durability.

Keywords

Femoral Head Contact Pressure Pelvic Bone Ceramic Head Maximum Contact Pressure 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • V. Fuis
    • 1
  • M. Koukal
    • 2
  • Z. Florian
    • 2
  1. 1.Centre of MechatronicsInstitute of Thermomechanics AS CR and, Faculty of Mechanical Engineering BUTBrnoCzech Republic
  2. 2.Institute of Solid Mechanics, Mechatronics and BiomechanicsFaculty of Mechanical Engineering BUTBrnoCzech Republic

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