Towards the Understanding of Lubrication Mechanisms in Total Knee Replacements – Part I: Experimental Investigations
Nečas D, Vrbka M, Marian M, Rothammer B, Tremmel S, Wartzack S, Galandáková A, Gallo J, Wimmer MA, Křupka I, Hartl M (2021)
Publication Language: English
Publication Type: Journal article, Original article
Publication year: 2021
Journal
Book Volume: 156
Pages Range: 1-13
Article Number: 106874
URI: https://www.sciencedirect.com/science/article/abs/pii/S0301679X21000220#!
DOI: 10.1016/j.triboint.2021.106874
Abstract
This contribution is aimed at the detailed understanding of lubrication mechanisms within total knee replacement. While Part I is focused on the experimental investigation, Part II deals with the development of a predictive numerical model. Here, a knee simulator was used for direct optical observation of the contacts between a metal femoral and a transparent polymer components. Transient dynamic conditions were applied. Mimicked synovial fluids with fluorescently labelled constituents were used as the test lubricants. The results showed that γ-globulin forms thin boundary lubricating film, being reinforced by the interaction of phospholipids and hyaluronic acid. Further development of lubricating film is attributed to albumin layering. Based on the results, a novel lubrication model of the knee implant is proposed.
Authors with CRIS profile
Max Marian
Chair of Engineering Design
Benedict Rothammer
Chair of Engineering Design
Sandro Wartzack
Chair of Engineering Design
Involved external institutions
Palacky University Olomouc / Univerzita Palackého v Olomouci
Czech Republic (CZ)
Brno University of Technology (BUT) / Vysoké učení technické v Brně (VUT)
Czech Republic (CZ)
Universität Bayreuth
Germany (DE)
Rush University
United States (USA) (US)
Czech Republic (CZ)
Brno University of Technology (BUT) / Vysoké učení technické v Brně (VUT)
Czech Republic (CZ)
Universität Bayreuth
Germany (DE)
Rush University
United States (USA) (US)
How to cite
APA:
Nečas, D., Vrbka, M., Marian, M., Rothammer, B., Tremmel, S., Wartzack, S.,... Hartl, M. (2021). Towards the Understanding of Lubrication Mechanisms in Total Knee Replacements – Part I: Experimental Investigations. Tribology International, 156, 1-13. https://doi.org/10.1016/j.triboint.2021.106874
MLA:
Nečas, David, et al. "Towards the Understanding of Lubrication Mechanisms in Total Knee Replacements – Part I: Experimental Investigations." Tribology International 156 (2021): 1-13.
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