Detail publikace
MKP analýza segmentu páteře s dynamickým fixátorem
PRÁŠILOVÁ, E. FLORIAN, Z. MARCIÁN, P.
Český název
MKP analýza segmentu páteře s dynamickým fixátorem
Anglický název
Finite Element Analysis of Compression of Lumbar Spine with Dynamic Implant
Typ
článek ve sborníku ve WoS nebo Scopus
Jazyk
en
Originální abstrakt
The degenerative and traumatic injuries of a spine are very frequent. In those cases it is necessary to stabilize the corresponding spine segment using a spine implant. The spinal implants are rigid or flexible, the latter known as dynamic ones in medical practice. In this paper, the problems of the physiological spinal segment and the segment with implant were solved using the computational modelling (finite element method). Computational model consists of 4 lumbar vertebrae L2 – L5, intervertebral discs, joints and spinal implants. The spinal segment was loaded by the force 400N. The total displacement of the whole system, contact pressure of cartilages, equivalent strain in cancellous bone and equivalent stress in the implant were analyzed. The deformation of the physiological model and the model with the implant are comparable, but the bone tissue of the model with the implant is dramatically more loaded in vicinity of the screws.
Český abstrakt
Degenerativní onemocnění páteře stále častější. Stabilizace páteře je možné provést pomocí fixátorů. Práce je zaměřena na hodnocení deformačně napěťových stavů.
Anglický abstrakt
The degenerative and traumatic injuries of a spine are very frequent. In those cases it is necessary to stabilize the corresponding spine segment using a spine implant. The spinal implants are rigid or flexible, the latter known as dynamic ones in medical practice. In this paper, the problems of the physiological spinal segment and the segment with implant were solved using the computational modelling (finite element method). Computational model consists of 4 lumbar vertebrae L2 – L5, intervertebral discs, joints and spinal implants. The spinal segment was loaded by the force 400N. The total displacement of the whole system, contact pressure of cartilages, equivalent strain in cancellous bone and equivalent stress in the implant were analyzed. The deformation of the physiological model and the model with the implant are comparable, but the bone tissue of the model with the implant is dramatically more loaded in vicinity of the screws.
Klíčová slova česky
Páteř; implantát; intervertebralní disk; deformačně-napěťová analýza
Klíčová slova anglicky
Spine; implant; intervertebral disc; joints; stress – strain analysis
Rok RIV
2014
Vydáno
12.05.2014
Nakladatel
BUT
Místo
Svratka
ISBN
978-80-214-4871-1
Kniha
Engineering Mechanics 2014
Číslo edice
2014
Strany od–do
512–515
Počet stran
4
BIBTEX
@inproceedings{BUT107540,
author="Eva {Prášilová} and Zdeněk {Florian} and Petr {Marcián},
title="Finite Element Analysis of Compression of Lumbar Spine with Dynamic Implant",
booktitle="Engineering Mechanics 2014",
year="2014",
month="May",
pages="512--515",
publisher="BUT",
address="Svratka",
isbn="978-80-214-4871-1"
}