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Optimization of pedicle screw depth in the lumbar spine biomechanical characterization of screw stability and pullout strength
Table of Contents
List of Tables
List of Figures
List of Figures
List of Abbreviations
List of Symbols .
1 Introduction....
1.1 Anatomy and Biomechanics
1.1.1 Intervertebral Disc
1.1.2 Vertebrae
1.1.3 Facet Joints
1.1.4 Functional Spinal Unit
1.1.5 Spinal Fusion and Pathology
1.2 Problem Statement
2 Literature Review
2.1 Osteoporosis
2.2 Screw-bone interface .
2.3 Screw Fixation
2.4 Fatigue
2.5 Optimization of the Screw-bone Interface
2.6 Trajectory, Insertion Techniques and Screw Characteristics
2.7 Augmentation
2.8 Screw Length
3 Methods
3.1 Specimens
3.2 Imaging
3.3 Experimental Groups
3.4 Surgical Procedure
3.5 Testing Technique
3.5.1 Fatigue
3.5.2 Motion Analysis
3.5.3 Screw Pullout
3.5.4 Alternative Statistical Analysis
4 Results
4.1 Fatigue
4.2 Fulcrum Location of Pedicle Screw Within Vertebra During Fatigue
4.3 Screw Pullout
4.4 Alternative Statistical Analysis
5 Discussion.
5.1 Review of Findings
5.1.1 Fatigue
5.1.2 Fulcrum
5.1.3 Screw Pullout
5.1.4 Alternative Statistical Analysis
5.1.5 Limitations and Risks
5.2 Review of Technique
5.2.1 Screw Pullout
5.2.1.1 Screw Diameter
5.2.1.2 Pullout Displacement Rate
5.2.1.3 Specimen Alignment
5.2.1.3.1 Potting
5.2.1.3.2 Alternate Methods of Specimen Fixation
5.2.1.4 Loading Fixture
5.2.1.5 Off-axis Pullout
5.2.1.6 Synthetic Bone Pullout Tests
5.2.1.7 Sample Size
5.2.2 Fatigue
5.2.2.1 Load and Displacement Control
5.2.2.2 Flexion-extension Versus Other Modes of Loading
5.2.2.3 Offset Loading For Fatigue
6 Conclusion
6.1 Testing Conclusion
6.2 Technique Conclusion
References
Appendix A Bài viết liên quan
