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Biomedical Engineering and Bioengineering
Wayne State University Associated BioMed Central Scholarship
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Biomechanical Stability Of A Supra-Acetabular Pedicle Screw Internal Fixation Device (Infix) Vs External Fixation And Plates For Vertically Unstable Pelvic Fractures, Jonathan M. Vigdorchik, Amanda O. Esquivel, Xin Jin, King H. Yang, Ndidi A. Onwudiwe, Rahul Vaidya
Biomechanical Stability Of A Supra-Acetabular Pedicle Screw Internal Fixation Device (Infix) Vs External Fixation And Plates For Vertically Unstable Pelvic Fractures, Jonathan M. Vigdorchik, Amanda O. Esquivel, Xin Jin, King H. Yang, Ndidi A. Onwudiwe, Rahul Vaidya
Wayne State University Associated BioMed Central Scholarship
Abstract
Background
We have recently developed a subcutaneous anterior pelvic fixation technique (INFIX). This internal fixator permits patients to sit, roll over in bed and lie on their sides without the cumbersome external appliances or their complications. The purpose of this study was to evaluate the biomechanical stability of this novel supraacetabular pedicle screw internal fixation construct (INFIX) and compare it to standard internal fixation and external fixation techniques in a single stance pelvic fracture model.
Methods
Nine synthetic pelves with a simulated anterior posterior compression type III injury were placed into three groups (External Fixator, INFIX and Internal Fixation). …