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MICRO AND MACRO SHAPE DEVIATIONS OF THE CONTACT AREAS OF THE HIP JOINT ENDOPROSTHESIS

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F08%3A00314959" target="_blank" >RIV/61388998:_____/08:00314959 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    MICRO AND MACRO SHAPE DEVIATIONS OF THE CONTACT AREAS OF THE HIP JOINT ENDOPROSTHESIS

  • Original language description

    The paper deals with the problems of ceramic head of hip joint endoprosthesis destructions, and with assessing the impact of shape deflections of conical surfaces on the tensile stress in the head. Concerned are shape deviations from the ideal conical surfaces of the stem and the head of the endoprosthesis. The shape deviations may be modelled at the macro-level - this concerns model shape inaccuracies such as deviation from the nominal degree of taper, ovality, and their combination, or, possibly, at the micro-level - when the stochastic distribution of unevenness on the contact areas is respected. The problem of stress in ceramic heads was solved using the algorithm of the finite element method - system ANSYS under ISO 7206-5 loading. In the paper are presented and analysed the results of solution of the macro-level shape deviations and micro-level shape deviations, obtained from measurements made on the cones of stems and heads.

  • Czech name

    Mirko a makro tvarové odchylky kontaktních ploch kyžele kyčelní endoprotézy

  • Czech description

    Příspěvek se zabývá výpočtovým modelováním vlivu mikro a makro tvarových odchylek kontaktních ploch hlavice a dříku totální kyčelní endorpotézy na napjatost v hlavici.

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BO - Biophysics

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2008

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    XXII International Congress of Theoretical and Applied Mechanics

  • ISBN

    978-0-9805142-0-9

  • ISSN

  • e-ISSN

  • Number of pages

    2

  • Pages from-to

  • Publisher name

    University of Adelaide

  • Place of publication

    Adelaide

  • Event location

    Adelaide

  • Event date

    Aug 25, 2008

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article