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Expandable pedicle screw may have better fixation than normal pedicle screw: preclinical investigation on instrumented L4-L5 vertebrae based on various physiological movements
Lumbar spine fracture is typically treated by means of screw fixation, the primary aim of which is to reduce fracture by achieving bony union such...
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Pedicle Screw Placement Accuracy in Robot-Assisted Spinal Fusion in a Multicenter Study
Pedicle screw fixation is a spinal fusion technique that involves the implantation of screws into vertebral pedicles to restrict movement between...
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Comparison of insertion time, pull-out strength, and screw-media interface area of customized pedicle screw with different core and thread design against commercial pedicle screw: a pilot study on Indonesian Population
ObjectiveThis research aimed to develo** customized pedicle screw based on Indonesian vertebral anatomy and compare the insertion time, pull-out...
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Assessment of the tolerance angle for pedicle screw insertion
Cannulation process intervenes before implantation of pedicle screw and depends on the surgeon’s experience. A reliable experimental protocol has...
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Unexpectedly rapid decrease in the size of a spinal epidural abscess after percutaneous posterior pedicle screw fixation without decompression surgery: a case report
IntroductionSpondylodiscitis accompanying spinal epidural abscess is often treated with decompression surgery when there are neurological symptoms....
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New Biomechanical Approach for Evaluation of Spinal Pedicle Screw Fixation Stability
PurposePull-out test is the conventional biomechanical tool for stability assessments of bone screws. Recently, modal analysis methods (MAM) have...
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Experimental validation of adaptive pedicle screws—a novel implant concept using shape memory alloys
Pedicle screw fixation is a standard procedure in spine surgery. A secure anchoring in deficient (e.g., osteoporotic) bone or in a secondary supply...
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Robot-Assisted Pedicle Screw Placement
With new technological advancements in spine surgery, come accompanying expectations regarding the association between the incremental improvements...
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Technical note: Traumatic atlanto-occipital dislocation and severe subaxial cervical distraction injury in an infant
IntroductionTraumatic injuries of the spine requiring surgery are rare in infancy. Fusion procedures in the very young are not well-described at the...
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Biomedical analysis of four fixation systems in treatment of type II traumatic spondylolisthesis of the axis: a finite element analysis
This study aimed to compare the properties and safety of self-designed plates in type II traumatic spondylolisthesis of the axis with those of...
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Biomechanical analysis of Instrumented decompression and Interbody fusion procedures in Lumbar spine: a finite element analysis study
Interbody fusions have become increasingly popular to achieve good fusion rates. Also, unilateral instrumentation is favored to minimize soft tissue...
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Biomechanical Analysis of the External Fixation in a Lumbar Fracture Model: A Finite Element Study
PurposeThis study aimed to investigate the biomechanical characteristics of the external spinal fixation for treating lumbar fracture through finite...
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Delayed paraparesis after posterior spinal fusion for congenital scoliosis: a case report
IntroductionAlthough multimodal intraoperative neuromonitoring (IONM), which has high sensitivity and specificity, is typically performed during...
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Biomechanical investigation of intra-articular cage and cantilever technique in the treatment of congenital basilar invagination combined with atlantoaxial dislocation: a finite element analysis
Biomechanical effect of posterior intra-articular cages and cantilever technique on the congenital basilar invagination (BI) combined with...
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Fracture-dislocation of the thoracolumbar spine without neurological deficit: a report of two cases and literature review
IntroductionWe report two cases of fracture-dislocation of the thoracolumbar spine without neurological deficit and outline the putative mechanisms...
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18F-FDG-PET/CT localizes intervertebral disc space infection following posterior lumbar interbody fusion surgery leading to successful retention of percutaneously inserted pedicle screws: a case report
IntroductionPostoperative infection is a potentially devastating complication of spine surgery and an appropriate strategy and timely decision-making...
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Biomechanical Effect of Using Cement Augmentation to Prevent Proximal Junctional Kyphosis in Long-Segment Fusion: A Finite Element Study
PurposeThe purpose of this study was to compare the biomechanical effects of cement-reinforced vertebrae at different levels and with different...
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An information management system for collecting, storing, and processing densitometric data to identify promising navigation data for medical robots
The structure of the prototype information management system developed here for collecting, storing, and processing computerized tomograms with the...
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3D Visualisation of the Spine
The 3D visualisation of the spine is thought of from multiple viewpoints. Firstly, radiological imaging is considered, with plain radiography, CT and...
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Thoracic ligamentum flavum ossification: a rare cause of spinal cord injury without tomographic evidence of trauma in a Caucasian patient. Case report and literature review
IntroductionAcute spinal cord injury without tomographic evidence of vertebral fracture or dislocation in patients post trauma can represent a...
