Coupled motion of cervical spine in three level hybrid constructs
نویسندگان
چکیده
منابع مشابه
Coupled motion of cervical spine in three level hybrid constructs.
To compare the biomechanical characters of three-level anterior cervical fusion and hybrid constructs by measuring coupled motion changes of the cervical spine, Eighteen adult human cadaveric cervical spines were biomechanically investigated under eccentric displacement control in lateral bending and axial rotation by measuring vertebral motion (X, Y, Z -axis).The 3DPD condition displayed simil...
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INTRODUCTION The movements of the cervical spine during head rotation are too complicated to measure using conventional radiography or computed tomography (CT) techniques. In this study, we measure three-dimensional segmental motion of cervical spine rotation in vivo using a non-invasive measurement technique. MATERIAL AND METHODS Sixteen healthy volunteers underwent three-dimensional CT of t...
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A cervical discectomy and fusion (ACDF) has been a surgical option for the management of cervical disc disorders since 1958 (16). Over time, longterm outcome studies increasingly focused on adverse effects, specifically on the vertebrae and the intervertebral discs adjacent to the level fused (2,8,10). The concern that spinal fusion may potentially contribute to the acceleration of adjacent seg...
متن کاملBiomechanical Stability of a Stand-Alone Interbody Spacer in Two-Level and Hybrid Cervical Fusion Constructs
STUDY DESIGN In vitro human cadaveric biomechanical analysis. OBJECTIVE To evaluate the segmental stability of a stand-alone spacer (SAS) device compared with the traditional anterior cervical plate (ACP) construct in the setting of a 2-level cervical fusion construct or as a hybrid construct adjacent to a previous 1-level ACP construct. METHODS Twelve human cadaveric cervical spines (C2-T1...
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STUDY DESIGN Cross-sectional study. OBJECTIVE To determine the effect of age and sex on the three-dimensional kinematics of the cervical spine. SUMMARY OF BACKGROUND DATA Spine kinematics information has important implications for biomechanical model development, anthropomorphic test device development, injury prevention, surgical treatment, and safety equipment design. There is a paucity o...
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ژورنال
عنوان ژورنال: Bio-Medical Materials and Engineering
سال: 2015
ISSN: 1878-3619,0959-2989
DOI: 10.3233/bme-151355