Results 1 to 10 of about 60,729 (181)

Long Fiber Type Carbon Fiber Reinforced Plastic Pedicle Screws Exhibit High Strength, Comparable to Titanium-Alloy Screws, and Are Resistant to Loosening [PDF]

Neurospine
Objective 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, Hiroki Ohashi, Kenji Tsuchida, Yasuhiro Furuta, Satoshi Tani, Kostadin Karagiozov, Yuichi Murayama   +6 more
doaj   +2 more sources

Use of a metal cutting wheel burr and osteotome as a screwdriver to remove embedded broken pedicle screws in the revision of a high-grade spondylolisthesis: a technical case report [PDF]

North American Spine Society Journal
: Background: There are limited studies describing the feasible removal of broken pedicle screws. A surgical technique demonstrating the removal of broken sacral pedicle screws using commonly available instruments in a patient treated for high grade ...
Stephen J. Lewis, MD, MSc, Colby T.A. Oitment, MD, MSc, Christopher J. Nielsen, MD, MSc, Thorsten Jentzsch, PD, MD, MSc   +3 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 Research
Introduction 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, Wen He, Wen-jia Sun, Xu-chao Lin, Huo-huo Xue, Zhi-feng Zeng, Yu-fan Chen, Ming-di Chen, Feng-guang Wei, Zhi-qiang Wang, Hong-liang Ruan, Zi-qi Luo, Xiang-ting Chen, Xin Chen, Jing-lai Xue   +14 more
doaj   +2 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, Renjie Zhang, Jiaqi Wang, Bo Zhang, Huaqing Zhang, Liang Kang, Luping Zhou, Cailiang Shen   +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, Jacob Yoong-Leong Oh, Mark Tan, Colum Patrick Nolan, Chun Sing Yu, Ji Min Ling   +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, Frank Beyer, Carolin Meyer, Christoph Tobias Baltin, Peer Eysel, Jan Bredow   +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, Batsaikhan Batochir, Ankhbayar Enkhbaatar, Bat-Erdene Lkhagvajav, Oyuntugs Jadamba, Erdembileg Tsevegmid, Naranbat Lkhagvasuren   +6 more
doaj   +1 more source

Comparison of pedicle screw placement accuracy between two types of imaging support (Artis Zeego versus two-dimensional fluoroscopy): a cross-sectional observational study

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, Tomoaki Toyone, Ichiro Okano, Yoshifumi Kudo, Koji Ishikawa, Hiroshi Maruyama, Tomoyuki Ozawa, Toshiyuki Shirahata, Katsunori Inagaki   +8 more
doaj   +1 more source

The Optimal Screw Length of Lumbar Pedicle Screws during Minimally Invasive Surgery Fixation: A Computed Tomography-Guided Evaluation of 771 Screws [PDF]

Asian Spine Journal, 2019
Study Design A retrospective study of radiographic parameters of patients who underwent lumbar spinal pedicle screw insertion. Purpose The optimal length of pedicle screws is often determined by the lateral radiograph during minimally invasive surgery ...
Min Jia Chua, Shiblee Siddiqui, Chun Sing Yu, Colum Patrick Nolan, Jacob Yoong-Leong Oh   +4 more
doaj   +1 more source

Efficacy and safety for combination of t-EMG with O-arm assisted pedicle screw placement in neurofibromatosis type I scoliosis surgery

Journal of Orthopaedic Surgery and Research, 2021
Background Due to the characteristics of neurofibromatosis type I (NF-1) scoliosis, the precise placement of pedicle screws still remains to be a challenge.
Xiexiang Shao, Zifang Huang, Jingfan Yang, Yaolong Deng, Junlin Yang, Wenyuan Sui   +5 more
doaj   +1 more source