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  4. Damage due to rolling in total knee replacement : the influence of tractive force
 
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Damage due to rolling in total knee replacement : the influence of tractive force

Citation Link: https://doi.org/10.15480/882.2059
Publikationstyp
Journal Article
Date Issued
2013-06-13
Sprache
English
Author(s)
Wimmer, Markus A.  
Birken, Lars  
Sellenschloh, Kay  
Schneider, Erich  
Institut
Biomechanik M-3  
TORE-DOI
10.15480/882.2059
TORE-URI
http://hdl.handle.net/11420/2063
Journal
Friction  
Volume
1
Issue
2
Start Page
178
End Page
185
Citation
Friction 2 (1): 178-185 (2013)
Publisher DOI
10.1007/s40544-013-0014-2
Scopus ID
2-s2.0-84976431039
Publisher
Springer
© 2013, The author(s). The femoral condyles of a knee prosthesis articulate with a combination of rolling and sliding on the tibial polyethylene plateau. Little is known about potential polyethylene damage due to rolling motion. Since rolling does not exclude the presence of tangential surface loads, this study sought to investigate the influence of tractive rolling on the wear of polyethylene. A “wheel-on-flat” apparatus, consisting of a metal wheel and a polyethylene flat, mimicked contact conditions present in total knee replacement. An increasingly tractive force under conditions of pure rolling was applied. It was found that under rolling kinematics a tangential surface load of up to 17% of the normal load could be transferred through the contact. Surface damage was dependent on the amount of tractive force and appeared more severe with higher forces. In the region of highest tractive force, wear features were identified that resembled perpendicular ridges on surfaces of retrieved tibial polyethylene devices. This suggests that tractive rolling may be a relevant wear mode in total knee replacement.
Subjects
polyethylene
wear
knee prothesis
tractive rolling
DDC Class
570: Biowissenschaften, Biologie
610: Medizin
620: Ingenieurwissenschaften
Lizenz
https://creativecommons.org/licenses/by-nc/3.0/
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