Observation of lubrication mechanisms within artificial hip joints

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F17%3APU125516" target="_blank" >RIV/00216305:26210/17:PU125516 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Observation of lubrication mechanisms within artificial hip joints

Popis výsledku v původním jazyce

Despite the rapid improvement of hip joint replacements, limited longevity of implants still represents its substantial limitation. Therefore, it is necessary to ensure sufficient service life of replacements to avoid its failure and consequent revising operations. As the main cause leading to implant failure is aseptic loosening due to osteolysis, it is desired to clarify the tribological processes inside the joints. In the present paper, we aimed on the investigation of lubricant film formation between femoral head and transparent acetabular cup from optical glass. The effect of material, geometry and the composition of model synovial fluid was examined, while the experiments were realized using pendulum hip joint simulator (Fig. 1). The contact was lubricated by various model synovial fluids. The applied approach is based on the combination of the two optical methods; optical interferometry and fluorescent microscopy. Utilizing of the fluorescent method enabled to employ also poly(methyl methacryla

Název v anglickém jazyce

Observation of lubrication mechanisms within artificial hip joints

Popis výsledku anglicky

Despite the rapid improvement of hip joint replacements, limited longevity of implants still represents its substantial limitation. Therefore, it is necessary to ensure sufficient service life of replacements to avoid its failure and consequent revising operations. As the main cause leading to implant failure is aseptic loosening due to osteolysis, it is desired to clarify the tribological processes inside the joints. In the present paper, we aimed on the investigation of lubricant film formation between femoral head and transparent acetabular cup from optical glass. The effect of material, geometry and the composition of model synovial fluid was examined, while the experiments were realized using pendulum hip joint simulator (Fig. 1). The contact was lubricated by various model synovial fluids. The applied approach is based on the combination of the two optical methods; optical interferometry and fluorescent microscopy. Utilizing of the fluorescent method enabled to employ also poly(methyl methacryla

Druh

O - Ostatní výsledky

CEP obor

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OECD FORD obor

20301 - Mechanical engineering

Projekt

<a href="/cs/project/LO1202" target="_blank" >LO1202: NETME CENTRE PLUS</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

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