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Revista Española de Cirugía Ortopédica y Traumatología (English Edition)
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Inicio Revista Española de Cirugía Ortopédica y Traumatología (English Edition) Design and Development of an Osteosynthesis System for Minimally Invasive Recons...
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Vol. 51. Issue 2.
Pages 94-101 (March - April 2007)
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Vol. 51. Issue 2.
Pages 94-101 (March - April 2007)
Research
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Design and Development of an Osteosynthesis System for Minimally Invasive Reconstruction-Arthrodesis of Calcaneal Intra-articular Fractures
Diseño y desarrollo de un sistema de osteosíntesis para la reconstrucción-artrodesis mínimamente invasiva de fracturas intraarticulares de calcáneo
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F. López-Oliva Muñoz
Corresponding author
felipe_lopez@fremap.es

Corresponding author: FREMAP Prevention and Rehabilitation Center, Majadahonda. Ctra. Pozuelo n.o 61. 28220 Majadahonda. Madrid, Spain.
, T. Sánchez-Lorente, G. López-Hernández, M.J. Rodríguez-Macías, F. Forriol
FREMAP Prevention and Rehabilitation Center, Majadahonda. Madrid, Spain
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Purpose

To develop instruments that can restore the shape of a fractured calcaneus and facilitate minimally invasive primary arthrodesis of the subtalar joint in severe calcaneal intraarticular fractures.

Materials and methods

We studied a new osteosynthesis system for calcaneal fractures in three consecutive phases: a) system design, b) biomechanical tests and c) prototype testing in cadavers.

Results

The basic characteristics of the original design were validated with minimal changes. From the biomechanical point of view the implant developed has passed strength and fatigue tests and has shown itself to provide good surgical management in cadavers.

Conclusions

The implant designed achieves its purpose, and adapts to the mechanical conditions and dimensions of the calcaneal bone.

Key words:
calcaneal fracture
osteosynthesis
subtalar arthrodesis
Objetivo

Desarrollar una instrumentación que restaure la forma del calcáneo fracturado y facilite la artrodesis primaria de la articulación subastragalina mínimamente invasiva en las fracturas intraarticulares graves del calcáneo.

Material y método

Se estudió un nuevo sistema de osteosíntesis para las fracturas de calcáneo en tres fases consecutivas: a) diseño del sistema, b) ensayos biomecánicos y c) prueba de los prototipos en el cadáver.

Resultados

Los fundamentos del diseño original han sido validados con mínimos cambios. Desde el punto de vista biomecánico el implante desarrollado ha superado las pruebas de resistencia y fatiga y ha demostrado un buen manejo quirúrgico en el cadáver.

Conclusiones

El implante diseñado cumple sus objetivos, se adapta a las condiciones mecánicas y dimensionales del calcáneo.

Palabras clave:
fractura de calcáneo
osteosíntesis
artrodesis subastragalina
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Copyright © 2007. Sociedad Española de Cirugía Ortopédica y Traumatología (SECOT). All rights reserved
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