NUMERICAL ANALYSIS OF SPINAL LOADS IN SPONDYLOLISTHESIS TREATMENT USING PEDICLE SCREWS – PRELIMINARY RESEARCH
Jarosław ZUBRZYCKI
j.zubrzycki@pollub.plLublin University of Technology, Mechanical Engineering Faculty, Nadbystrzycka 36, 20-618 Lublin (Poland)
Natalia SMIDOVA
Technical University of Kosice, Faculty of Electrical Engineering and Informatics, Letna 9, 042 00 Kosice (Slovakia)
Jakub LITAK
Medical University of Lublin, Department of Neurosurgery and Neurosurgery of Children, Jaczewskiego 8, 20-954 Lublin (Poland)
Andrei AUSIYEVICH
Belarusian National Technical University, Mechanical Engineering Faculty, Niezavisimosti 65, 220013 Minsk (Belarus)
Abstract
The aim of this experimental study was to analyse the influence of lumbar stabilisation used in the treatment of spondylolisthesis on the biomechanical properties of the human lumbar spine. FEM models were built on the basis of pre-surgical CT scans, routinely used in medical practice. MIMICS software was used to process the results of the neuroimaging study and to create 3D models. Two models were built: with and without a stabiliser. A static load analysis was performed for a normal upper-body load. The simulations allowed to determine the stresses in the individual discs for both models, with and without the transpedicular stabiliser.
Keywords:
Pedicle screws, FEA, CAD, 3D modelingReferences
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Authors
Jarosław ZUBRZYCKIj.zubrzycki@pollub.pl
Lublin University of Technology, Mechanical Engineering Faculty, Nadbystrzycka 36, 20-618 Lublin Poland
Authors
Natalia SMIDOVATechnical University of Kosice, Faculty of Electrical Engineering and Informatics, Letna 9, 042 00 Kosice Slovakia
Authors
Jakub LITAKMedical University of Lublin, Department of Neurosurgery and Neurosurgery of Children, Jaczewskiego 8, 20-954 Lublin Poland
Authors
Andrei AUSIYEVICHBelarusian National Technical University, Mechanical Engineering Faculty, Niezavisimosti 65, 220013 Minsk Belarus
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