Results 21 to 30 of about 119,023 (237)
Risk Factors of Unsatisfactory Robot-Assisted Pedicle Screw Placement: A Case-Control Study [PDF]
Neurospine, 2021 Objective To identify potential risk factors of unsatisfactory screw position during robot-assisted pedicle screw fixation. Methods A retrospective analysis of robot-assisted pedicle screw fixation performed in Beijing Jishuitan Hospital from March 2018 ...
Qi Zhang +6 more
doaj +1 more source
Effect of thread profile variation on pullout and bending strength of a pedicle screw [PDF]
, 2021 Pedicle screw is an important instrument in treatment of spinal degeneration or disease. However, the pedicle screw failure still occurs due to the screw loosening, fracture and pullout.
Shah, A. +7 more
core +1 more source
BMC Musculoskeletal Disorders, 2021 Background No studies to date have elucidated the clinical factors associated with pedicle screw pull-out during or immediately after surgery. The aim of this study was to assess the frequency of pedicle screw pull-out by comparing intraoperative scans ...
Satoshi Sumiya +6 more
doaj +1 more source
Journal of Orthopaedic Surgery and Research, 2018 Background To investigate whether unilateral pedicle screw fixation is superior than bilateral pedicle screw fixation for lumbar degenerative diseases. Methods Electronic databases including PubMed, Embase, and the Cochrane Library up to August 2018 were
Pei Lu +4 more
doaj +1 more source
An approximate model for cancellous bone screw fixation [PDF]
, 2013 This is the author's accepted manuscript. The final published article is available from the link below. Copyright @ 2013 Taylor & Francis.This paper presents a finite element (FE) model to identify parameters that affect the performance of an improved ...
Brown, CJ +9 more
core +1 more source
Cirq Robotic Module assisted pedicle screw Implantation - Operative video
, 2021 Cirq Robotic Module assisted pedicle screw Implantation - Operative ...
Mirza Pojskic
core +1 more source
Biomechanical characterization of bilateral pedicle screw internal fixation combinations on lumbar vertebrae [PDF]
, 2023 Pedicle screw fixation has been considered a suitable surgical intervention for addressing a diverse range of indications involving the lumbar spinal segments, but the impact of bilateral pedicle screw internal fixation combinations on the stability and ...
Li, Weiqi, Gan, Feihong, Zhang, Peiming
core +1 more source
Pedicle screw placement in patients with variant atlas pedicle [PDF]
Journal of International Medical Research, 2016 Objective To investigate how the anatomy of variant atlas vertebra impacts on the strategy used to place pedicle screws used to treat atlantoaxial instability. Methods The study enrolled patients with cervical instability who had a ...
Zhang, Qiang-Hua +2 more
openaire +2 more sources
Effect of thread profile on bending strength of pedicle screw [PDF]
, 2021 Current pedicle screw designs have not achieved strong bending strength due to varying bone density among patients. Osteoporosis further presents complications in screw fixation and instrumentation failure due patients having less dense bones.
A., Shah +7 more
core +1 more source
Broken lumbar pedicle screw: A short report [PDF]
, 2017 Spinal fixation is one of the common surgical procedure performed by spine surgeons. Among the various spinal fixation technique, pedicle screw fixation is of paramount importance especially when instability is in dorsolumbar and sacral region of spine ...
Dwivedi, Ashish Kumar +2 more
core +2 more sources