Long Fiber Type Carbon Fiber Reinforced Plastic Pedicle Screws Exhibit High Strength, Comparable to Titanium-Alloy Screws, and Are Resistant to Loosening [PDF]
NeurospineObjective To develop a pedicle screw for posterior spinal fixation using this long fiber carbon fiber reinforced plastic (CFRP) technology and evaluate its strength and radiolucency compared with titanium (Ti)-alloy screws.
Kohei Morita +6 more
doaj +2 more sources
Biomechanical evaluation of In-Out-In pedicle screws for atlantoaxial posterior fixation in the presence of high-riding vertebral artery and narrow C2 pedicles: a finite element analysis [PDF]
Journal of Orthopaedic Surgery and ResearchIntroduction In patients with high-riding vertebral artery (HRVA) and narrow pedicles, placement of C2 pedicle screws carries a significant risk of vertebral artery injury.
Xiong-han Lian +14 more
doaj +2 more sources
Spine Surgery and Related ResearchIntroduction: Pedicle screw placement can be technically challenging in anatomically narrow pedicles, such as those in the thoracic spine or in older patients.
Hiroaki Manabe +7 more
doaj +2 more sources
Analysis on the related factors of misplacement of freehand pedicle screws via posterior approach in degenerative scoliosis [PDF]
BMC Musculoskeletal DisordersBackground To study the risk factors associated with misplacement of freehand pedicle screws through a posterior approach for degenerative scoliosis.
ChangJin Guo +7 more
doaj +2 more sources
Immediate stabilization of pedicle screws
Current Directions in Biomedical Engineering, 2023 This study was designed as proof of principle and safety test of the novel technique, the Immediate Stabilization System (ISS). The technique is designed to immediately stabilize polymer-augmented pedicle screws (PAS) in deficient bone and avoid ...
Wild Michael de +6 more
doaj +3 more sources
Biomechanical Study of 3 Osteoconductive Materials Applied in Pedicle Augmentation and Revision for Osteoporotic Vertebrae: Allograft Bone Particles, Calcium Phosphate Cement, Demineralized Bone Matrix [PDF]
Neurospine, 2023 Objective This study assessed biomechanical properties of pedicle screws enhanced or revised with 3 materials. We aimed to compare the efficacy of these materials in pedicle augmentation and revision.
Chongyu Jia +7 more
doaj +1 more source
Accuracy of Thoracolumbar Pedicle Screw Insertion Based on Routine Use of Intraoperative Imaging and Navigation [PDF]
Asian Spine Journal, 2021 Study Design Retrospective review. Purpose To determine the accuracy of thoracolumbar pedicle screw insertion with the routine use of three-dimensional (3D) intraoperative imaging and navigation over a large series of screws in an Asian population ...
Pirateb Paramasivam Meenakshi Sundaram +5 more
doaj +1 more source
Insertion Angle of Pedicle Screws in the Subaxial Cervical Spine: The Analysis of Computed Tomography-Navigated Insertion of Pedicle Screws [PDF]
Asian Spine Journal, 2020 Study Design Four orthopedic spine surgeons measured the radiological parameters of pedicle screws in the cervical spine using a postoperative computed tomography (CT) scan.
Stavros Oikonomidis +5 more
doaj +1 more source
Predictors of the Pedicle Screw Misplacement in Patients with Thoracolumbar Fracture
Central Asian Journal of Medical Sciences, 2022 Objectives: To investigate the prevalence and risk factors of the misplacement of the pedicle screw in patients with thoracolumbar spine fracture. Methods: Patients who underwent posterior stabilization procedure due to thoracolumbar spine fracture were ...
Battugs Borkhuu +6 more
doaj +1 more source
BMC Musculoskeletal Disorders, 2022 Background The pedicle screw system is widely used in spine surgery, and it provides rigid fixation and leads to successful subsequent deformity correction and bony fusion.
Akira Matsuoka +8 more
doaj +1 more source