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Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_8 | Pages 72 - 72
1 Apr 2017
Karakasli A Skiak E Satoglu İ Demirkiran N Ertem F Havitcioglu H
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Background

Bothlimited-contact dynamic compression plate (LC-DCP) and locking compression plate (LCP) systems were designed to provide enhanced bone healing and to improve stability at fracture site. However, implant failure, delayed union, nonunion and instability are still frequently encountered complications. The purpose of this study was to determine the biomechanical characteristics of a novel persistent compression dynamic plate (PCDP) which provides a persistent compression to fracture edges, and to compare the biomechanical properties of such a novel plate with the commonly used LCP.

Methods

The novel persistent compression dynamic plate (PCDP) system is composed of a body, an inner compression spring and a distal mobile component. The body (proximal part) contains an adjustable screw and the distal part of the dynamic system can slide inside the body through a special tube. 12 (saw bone) artificial femoral bones were used. Transverse distal shaft fracture was created in all the saw bones at the same level, 6 femurs were fixed using the novel PCDP, whereas the other 6 femurs were fixed using the well-known LCP. All samples had undergone a nondestructive repetitive different forces (axial compression, bending and torsion), to evaluate the biomechanical differences between the two plating systems.