Kandemir Utku
Department of Orthopaedic Surgery, University of California, San Francisco, California, USA.
Injury. 2018 Jun;49 Suppl 1:S44-S48. doi: 10.1016/S0020-1383(18)30302-4.
With advances in osteosynthesis technology providing improved stability of fixation and better outcomes, surgical treatment has become the standard of care for distal femur fractures. Pre-contoured distal femoral locking plates are the most commonly used implants for fixation. However, healing problems such as delayed union, failure of fixation, and /or nonunion are not uncommon. The fixation construct being "too stiff" is a commonly quoted reason when nonunion/failure of fixation occurs on distal femur fractures fixed with a plate. A flexible fixation construct allowing controlled axial micromotion could help stimulate the bone healing. In order to achieve this goal, plating construct stiffness can be modified by several methods.
随着骨合成技术的进步，固定稳定性提高且治疗效果更佳，手术治疗已成为股骨远端骨折的标准治疗方法。预塑形股骨远端锁定钢板是最常用的固定植入物。然而，诸如延迟愈合、固定失败和/或骨不连等愈合问题并不少见。在用钢板固定的股骨远端骨折发生骨不连/固定失败时，固定结构“过于僵硬”是一个常见的原因。允许可控轴向微动的柔性固定结构有助于刺激骨愈合。为了实现这一目标，可以通过几种方法来改变钢板固定结构的刚度。
