Fatigue Corrosion Of External Illizarov Ring Fixators, Hybrid Fixators With Half Pins | 4844
Journal of Biotechnology & Biomaterials
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The mechanical characteristic of an external fixator determines the biomechanical environment of a fracture, osteotomy or
non-union treated by the external fixator.
Two main categories of fixators are in popular use. The more conventional type (e.g. hybrid). The second type of circular
or semicircular fixator e.g., ilizarov) relies on smooth, non threaded Kirschner wires of small diameter (1.5mm to 1.8mm)
under tension to provide the stability needed. Biomechanically, not only are the principles different but also, the biomechanical
environment of fractures by the two system is significantly different. Using Ansys Work Bench 10 the ilizarov, hybrid1and hybrid2
were modeled and it was found that the mechanical properties ilizarov was better than the hybrid fixators. The fatigue corrosion
of the k-wires for the illizarov ring fixator, hybrid fixators with half pins was analyzed.
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