PMID: 8964782Apr 1, 1996Paper

Mechanical validation of whole bone composite femur models

Journal of Biomechanics
Luca CristofoliniA Toni

Abstract

Composite synthetic models of the human femur have recently become commercially available as substitutes for cadaveric specimens. Their quick diffusion was justified by the advantages they offer as a substitute for real femurs. The present investigation concentrated on an extensive experimental validation of the mechanical behaviour of the whole bone composite model, compared to human fresh-frozen and dried-rehydrated specimens for different loading conditions. First, the viscoelastic behaviour of the models was investigated under simulated single leg stance loading, showing that the little time dependent phenomena observed tend to extinguish within a few minutes of the load application. The behaviour under axial loading was then studied by comparing the vertical displacement of the head as well as the axial strains, by application of a parametric descriptive model of the strain distribution. Finally, a four point bending test and a torsional test were performed to characterize the whole bone stiffness of the femur. In all these tests, the composite femurs were shown to fall well within the range for cadaveric specimens, with no significant differences being detected between the synthetic femurs and the two groups of cadaveric ...Continue Reading

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Citations

Jul 23, 2011·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Martyn SnowMahmoud Chizari
Aug 21, 2013·International Orthopaedics·Stefan KinkelJan Nadorf
Jul 17, 2008·Biomechanics and Modeling in Mechanobiology·Fabio GalbuseraGabriele Dubini
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Dec 20, 2005·Journal of Materials Science. Materials in Medicine·R De SantisL Nicolais
Sep 1, 1996·Medical Engineering & Physics·L CristofoliniM Viceconti
Mar 24, 2004·Medical Engineering & Physics·G CheungM Papini
May 8, 2013·Medical Engineering & Physics·Mahmut TuncerAndrew A Amis
Jul 27, 2001·Journal of Biomechanics·A D Heiner, T D Brown
Feb 15, 2000·Journal of Biomechanics·L Cristofolini, M Viceconti
May 8, 2001·Computer Methods and Programs in Biomedicine·D TestiM Viceconti
Jun 28, 2003·Clinical Biomechanics·V WaideA Toni
Jun 21, 2001·Clinical Biomechanics·Luca CristofoliniAldo Toni
Jul 17, 1998·Medical Engineering & Physics·M VicecontiA Toni
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Apr 6, 2007·Journal of Biomechanical Engineering·Radovan ZderoMarcello Papini
Jul 28, 2007·Journal of Biomechanical Engineering·Alexander C M ChongElizabeth A Friis

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