Backgrounds of the technology of internal fixators
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Biphasic plating improves the mechanical performance of locked plating for distal femur fractures
2021, Journal of BiomechanicsCitation Excerpt :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).
Dynamic locked plating for fixation of distal femur fractures using near- cortical over-drilling: Preliminary results of a prospective observational study
2017, Journal of Clinical Orthopaedics and TraumaMicromotion in the fracture healing of closed distal metaphyseal tibial fractures: A multicentre prospective study
2014, InjuryCitation Excerpt :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).
Dynamic hip screw with locking side plate: A viable treatment option for intertrochanteric fracture
2014, Chinese Journal of Traumatology - English Edition