High resolution finite element modeling of cemented bone-implant interface using X-ray microtomography

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21260%2F10%3A00173562" target="_blank" >RIV/68407700:21260/10:00173562 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68378297:_____/10:00353055 RIV/68407700:21670/10:00173562

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

High resolution finite element modeling of cemented bone-implant interface using X-ray microtomography

Popis výsledku v původním jazyce

The aim of the research was to investigate the cemented bone-implant interface behavior. The main problems (cement layer degradation and bone-cement interface debonding) during physiological loading conditions have been investigated using a custom hip simulator. The experimental setup was designed to allow cyclic loading of a sample of pelvic bone with implanted cemented acetabular component. The most unfavorable activity (downstairs walking) was simulated in two million cycles with 4Hz frequency. The process of damage accumulation in cement fixation was monitored by repeated scanning using high resolution micro-focus X-ray Computed Tomography. Use of micro-focus source and large high resolution flat panel detector allows investigation of structural changes as well as development of full-scale micro-structural models. 3D high resolution finite element model was reconstructed from the microCT data. The FE model is suitable for prediction of bone-implant interface behaviour.

Název v anglickém jazyce

High resolution finite element modeling of cemented bone-implant interface using X-ray microtomography

Popis výsledku anglicky

The aim of the research was to investigate the cemented bone-implant interface behavior. The main problems (cement layer degradation and bone-cement interface debonding) during physiological loading conditions have been investigated using a custom hip simulator. The experimental setup was designed to allow cyclic loading of a sample of pelvic bone with implanted cemented acetabular component. The most unfavorable activity (downstairs walking) was simulated in two million cycles with 4Hz frequency. The process of damage accumulation in cement fixation was monitored by repeated scanning using high resolution micro-focus X-ray Computed Tomography. Use of micro-focus source and large high resolution flat panel detector allows investigation of structural changes as well as development of full-scale micro-structural models. 3D high resolution finite element model was reconstructed from the microCT data. The FE model is suitable for prediction of bone-implant interface behaviour.

Druh

D - Stať ve sborníku

CEP obor

FI - Traumatologie a ortopedie

OECD FORD obor

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Projekt

<a href="/cs/project/GAP105%2F10%2F2305" target="_blank" >GAP105/10/2305: Morfometrické a mechanické vlastnosti trabekulární kosti zjištěné pomocí metod mikromechaniky a numerického modelování</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2010

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceedings of 9th International Symposium on Computer methods in Biomechanics and Biomedical Engineering

ISBN

978-0-9562121-3-9

ISSN

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e-ISSN

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Počet stran výsledku

5

Strana od-do

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Název nakladatele

Universidad Politécnica de Valencia

Místo vydání

Valencia

Místo konání akce

Valencia

Datum konání akce

24. 2. 2010

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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