Elsevier

Injury

Volume 34, Supplement 2, November 2003, Pages 1-3
Injury

Backgrounds of the technology of internal fixators

https://doi.org/10.1016/j.injury.2003.09.018Get rights and content

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    The results demonstrate that the biphasic plating concept can be successfully incorporated into a pre-contoured distal femur plate providing adequate flexibility in combination with increased implant strength. It is generally well accepted that interfragmentary motion in the range of 0.2 – 1 mm (interfragmentary strain 10–30%) is beneficial for fracture healing (Claes, 2011) and for optimum secondary bone healing and callus growth, it requires flexible fixation and relative stability (Perren, 2003). However, there are concerns that conventional locking plates for the distal femur may be overly stiff leading to insufficient callus formation, particularly close to the plate on the near cortex (Bottlang et al., 2010a).

  • Micromotion in the fracture healing of closed distal metaphyseal tibial fractures: A multicentre prospective study

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    Furthermore, locking plates enable the use of biological fixation techniques that emphasise preservation of blood supply and functional reduction over anatomic reduction and interfragmentary compression. However, in the absence of anatomic reduction and interfragmentary compression, locked plating constructs rely on secondary bone healing [12,13], induced by interfragmentary motion in the millimetre range [1,14,15] and can be enhanced by passive or active dynamisation [16,17]. Development of bridge plating constructs for comminuted fractures where anatomic reduction is not absolutely required promotes the development of minimally invasive plate osteosynthesis (MIPO).

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