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Biomechanical study of the Grosse-Kempf femoral nail

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Summary. We have carried out a biomechanical study of the forces acting on the Grosse-Kempf intramedullary nail to determine those which most affect its structure. We have used finite element analysis to assess the distribution of compression, flexion and torsion forces. The qualitative and quantitative distribution of the tension on the surface of the nail has been observed. We have shown that the torsional force is most important and it is exerted in the posterior part of the nail where there is a change from the unslotted to the slotted section.

Résumé. Nous avons effectué une étude du clou centro-médullaire verrouillé de Grosse-Kempf pour déterminer les forces qui affectent le plus sa structure et la place où elles se produisent. L’étude, de type statique-linéaire, a été faite avec un programme d’éléments finis en appliquant des forces de compression, de flexion et de torsion. Les résultats indiquent une bonne résistance du clou aux forces de compression et de flexion, mais non aux forces de torsion. Celles-ci créent un maximum de contrainte à la partie postérieure du clou au niveau de la modification de la section entre zone fendue et zone non fendue.

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Accepted: 17 June 1996

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Gimeno, M., Albareda, J., Vernet, J. et al. Biomechanical study of the Grosse-Kempf femoral nail. International Orthopaedics SICOT 21, 115–118 (1997). https://doi.org/10.1007/s002640050132

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  • DOI: https://doi.org/10.1007/s002640050132

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