A Hybrid Uniplanar Pedicle Screw System with a New Intermediate Screw for Minimally Invasive Spinal Fixation: A Finite Element Analysis

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Motion type</td><td class="align_center" colspan="2">T12-L1</td><td class="align_center" colspan="2">L1-L2</td></tr><tr class="thead"><td class="align_center">FEA</td><td class="align_center">[<a href="/journals/bmri/2020/5497030/#B21" target="_blank">21</a>]</td><td class="align_center">FEA</td><td class="align_center">[<a href="/journals/bmri/2020/5497030/#B22" target="_blank">22</a>]</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Flexion-extension</td><td class="align_center">8.49</td><td class="align_center">6.78</td><td class="align_center">8.42</td><td class="align_center">9.20</td></tr><tr><td class="align_left">Left-right lateral bending</td><td class="align_center">4.34</td><td class="align_center">3.7</td><td class="align_center">8.73</td><td class="align_center">8.90</td></tr><tr><td class="align_left">Axial rotation</td><td class="align_center">1.68</td><td class="align_center">1.19</td><td class="align_center">3.60</td><td class="align_center">3.90</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>ROMs of intact T12-L1 in the present study and references.</div>

BioMed Research International

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Table 3

Table 3: A Hybrid Uniplanar Pedicle Screw System with a New Intermediate Screw for Minimally Invasive Spinal Fixation: A Finite Element Analysis 