PMID: 9177801Jan 1, 1997Paper

Mechanical testing of the tension band wire fixation in the proximal femur

Archives of Orthopaedic and Trauma Surgery
E E EngelA C Shimano

Abstract

The mechanical stability of proximal femoral osteotomies fixed by the tension band wire technique was studied in flexion-compression and torsion tests. The fixation consisted in crossing the section with two Kirschner wires and with a wire cerclage applied to the tension surface. The study was conducted in three steps. First, cyclinders of wood were cut either transversely or at 30 degrees of inclination in relation to the long axis of the specimen, and fixed with two Kirschner wires and a wire cerclage. We concluded that the inclination of the plane of section significantly increased the stability of fixation. No significant difference was observed when oblique sections were made in the reverse orientation. Second, 30 degrees subtrochanteric varus osteotomies were performed in dog femurs, so that the section plane was transverse in one group and oblique in another, after closing the osteotomy. In both groups the fixation was achieved by two Kirschner wires that crossed the osteotomy and a wire cerclage placed on the lateral cortex (tension surface). We concluded that inclination of the osteotomy plane increased the stability of osteosynthesis in bone specimens, as already seen with the wood pieces. Third, the stability of tens...Continue Reading

References

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Citations

Aug 8, 2014·Medicine·Daniel Augusto MaranhoJosé Batista Volpon
Apr 23, 2019·Journal of Pediatric Orthopedics. Part B·İlker A SarikayaMuharrem İnan
Jul 14, 2017·Journal of Orthopaedics and Traumatology : Official Journal of the Italian Society of Orthopaedics and Traumatology·Ahmed Shawkat Rizk

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