Results 11 to 20 of about 60,729 (181)
Bilateral Pedicle and Crossed Translaminar Screws in C2 [PDF]
Asian Spine Journal, 2015 Multiple techniques exist for the fixation of C2, including axial pedicle screws and bilateral translaminar screws. We describe a novel method of incorporating both the translaminar and pedicle screws within C2 to improve fixation to the subaxial spine ...
Daniel Mendelsohn +3 more
doaj +3 more sources
Mid-length Pedicle Screws in Posterior Instrumentation of Scoliosis [PDF]
Asian Spine Journal, 2019 Study Design Prospective analysis of collected data. Purpose We determine the need for the use of mid-length pedicle screws (screws with 2.5-mm long increments) during posterior spinal instrumentation.
Tevfik Balikci +4 more
doaj +3 more sources
Immediate stabilization of pedicle screws [PDF]
, 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 ...
Thomas Steffen +13 more
core +4 more sources
The feasibility of a new self-guided pedicle tap for pedicle screw placement: an anatomical study
BMC Musculoskeletal Disorders, 2023 Purpose To investigate the safety and accuracy of applying a new self-guided pedicle tap to assist pedicle screw placement. Methods A new self-guided pedicle tap was developed based on the anatomical and biomechanical characteristics of the pedicle ...
Yongtao Liu +3 more
doaj +1 more source
Journal of Functional Biomaterials, 2022 Cement augmentation of pedicle screws is one of the most promising approaches to enhance the anchoring of screws in the osteoporotic spine. To date, there is no ideal cement for pedicle screw augmentation.
Xinggui Tian +13 more
doaj +1 more source
Frontiers in Surgery, 2022 ObjectiveThis study aimed to examine the effect of the intermediate pedicle screws and their insertion depth on sagittal balance and functional outcomes of lumbar fracture.MethodsThis study reviewed 1,123 patients with lumbar fractures between January ...
Lei Deng +7 more
doaj +1 more source
Journal of Orthopaedic Surgery and Research, 2021 Background Correct positioning of pedicle screws can be challenging. Intraoperative imaging may be helpful. The purpose of this study was to evaluate the use of intraoperative 3D imaging with a cone-beam CT.
Felix Zimmermann +4 more
doaj +1 more source
Autonomous lumbar spine pedicle screw planning using machine learning: A validation study
Journal of Craniovertebral Junction and Spine, 2021 Introduction: Several techniques for pedicle screw placement have been described including freehand techniques, fluoroscopy assisted, computed tomography (CT) guidance, and robotics. Image-guided surgery offers the potential to combine the benefits of CT
Kris B Siemionow +4 more
doaj +1 more source
Pullout strength of reinserted pedicle screws using the previous entry point and trajectory
Journal of Orthopaedic Surgery and Research, 2019 Purpose This study compared the biomechanics of reinserted pedicle screws using the previous entry point and trajectory with those of correctly inserted pedicle screws.
Xuanwu Huang +5 more
doaj +1 more source
Hydroxyapatite coating improves fixation of pedicle screws : A clinical study
, 2002 We investigated the effects of hydroxyapatite (HA) coating on the purchase of pedicle screws. A total of 23 consecutive patients undergoing lumbar fusion was randomly assigned to one of three treatment groups.
Petrén-Mallmin, M. +3 more
core +6 more sources