Publication detail

Computational Modelling of the Shape Deviations of the Sphere Surfaces of Ceramic Heads of Hip Joint Replacement

FUIS, V. KOUKAL, M. FLORIAN, Z. JANÍČEK, P.

Original Title

Computational Modelling of the Shape Deviations of the Sphere Surfaces of Ceramic Heads of Hip Joint Replacement

English Title

Computational Modelling of the Shape Deviations of the Sphere Surfaces of Ceramic Heads of Hip Joint Replacement

Type

conference paper

Language

en

Original Abstract

The problem of the damage of the bioimplants is very important today. In the endoprosthesis surgery there is a large percentage of implant defects, which cause the failure of the whole prosthesis. One kind of the total hip replacement functionality loss is acetabular cup pull-off from pelvis bone. This paper is aimed at manufacture perturbations (shape deviations) analysis as one of the possible reasons to this kind of failure. Dimension and of geometry manufacturing perturbations (roundness) were analyzed in detail. It was found, that these perturbations affect considered values of contact pressure and frictional moment. Contact pressure and frictional moment are quantities affecting replacement success and durability.

English abstract

The problem of the damage of the bioimplants is very important today. In the endoprosthesis surgery there is a large percentage of implant defects, which cause the failure of the whole prosthesis. One kind of the total hip replacement functionality loss is acetabular cup pull-off from pelvis bone. This paper is aimed at manufacture perturbations (shape deviations) analysis as one of the possible reasons to this kind of failure. Dimension and of geometry manufacturing perturbations (roundness) were analyzed in detail. It was found, that these perturbations affect considered values of contact pressure and frictional moment. Contact pressure and frictional moment are quantities affecting replacement success and durability.

Keywords

total hip replacement, shape deviations, roundness, contact pressure, frictional moment

RIV year

2013

Released

25.09.2013

Publisher

Springer

Location

Seville

ISBN

978-3-319-00845-5

Book

XI Mediterranean Conference on Medical and Biological Engineering and Computing 2013

Edition

IFMBE Proceedings

Edition number

Vol. 41

Pages from

89

Pages to

92

Pages count

4

Documents

BibTex


@inproceedings{BUT104713,
  author="Vladimír {Fuis} and Milan {Koukal} and Zdeněk {Florian} and Přemysl {Janíček}",
  title="Computational Modelling of the Shape Deviations of the Sphere Surfaces of Ceramic Heads of Hip Joint Replacement",
  annote="The problem of the damage of the bioimplants is very important today. In the endoprosthesis surgery there is a large percentage of implant defects, which cause the failure of the whole prosthesis. One kind of the total hip replacement functionality loss is acetabular cup pull-off from pelvis bone. This paper is aimed at manufacture perturbations (shape deviations) analysis as one of the possible reasons to this kind of failure. Dimension and of geometry manufacturing perturbations (roundness) were analyzed in detail. It was found, that these perturbations affect considered values of contact pressure and frictional moment. Contact pressure and frictional moment are quantities affecting replacement success and durability.",
  address="Springer",
  booktitle="XI Mediterranean Conference on Medical and Biological Engineering and Computing 2013",
  chapter="104713",
  doi="10.1007/978-3-319-00846-2_22",
  edition="IFMBE Proceedings",
  howpublished="electronic, physical medium",
  institution="Springer",
  year="2013",
  month="september",
  pages="89--92",
  publisher="Springer",
  type="conference paper"
}