BIOMECHANICAL TESTING OF SPINAL SEGMENT FIXED BY ARCOFIX SYSTEM

Abstract eng:
The aim of this study was to compare the mechanical properties of the spinal segment in the intact state, destabilized (injury) state and the state after fixation by implant ArcoFix. The problem was solved by using the experimental modelling ZWICK testing machine. The study was based on in vitro biomechanical testing. Ten test samples were prepared for the experiment. Mechanical properties were described by the value of force couple needed to twist the specimen during the applied tensile force. Statistical analysis of measured results confirmed the hypothesis of different behavior of the states of intact, injured and fixed samples. Analysis did not confirm different mechanical behavior of intact and fixated specimens when comparing by the couple moment.

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