Overall biomechanical behaviour of replaced ankle joints is dependent also on the position and orientation of the prosthesis components relative to the bone and the soft tissues. Mal-positioned compoenents could lead to instability promoting the ultimate failure of the implant. The aim of the present work was investigating the sensitivity of a mobile bearing ankle replacement to prosthesis component final position. For this purpose, a previosuly validated explicit finite element (FE9 model of a novel ankle prosthesis, which includes also eight major ligaments was used to asses the influence of prosthesis mal-positioning relative to the ligaments to joint kinematics, polyethylene contact pressure and stress ligament forces.

MAL-POSITIONING OF A NOVEL TOTAL ANKLE REPLACEMENT: A SENSITIVITY STUDY / Reggiani, Barbara; Leardini, Alberto; Corazza, Federico; Taylor, Mark. - (2005), pp. 43-44. (Intervento presentato al convegno 15th European Orthopaedic Research Society tenutosi a Lisbona nel 2-4 Giugno 2005).

MAL-POSITIONING OF A NOVEL TOTAL ANKLE REPLACEMENT: A SENSITIVITY STUDY

REGGIANI Barbara;
2005

Abstract

Overall biomechanical behaviour of replaced ankle joints is dependent also on the position and orientation of the prosthesis components relative to the bone and the soft tissues. Mal-positioned compoenents could lead to instability promoting the ultimate failure of the implant. The aim of the present work was investigating the sensitivity of a mobile bearing ankle replacement to prosthesis component final position. For this purpose, a previosuly validated explicit finite element (FE9 model of a novel ankle prosthesis, which includes also eight major ligaments was used to asses the influence of prosthesis mal-positioning relative to the ligaments to joint kinematics, polyethylene contact pressure and stress ligament forces.
2005
15th European Orthopaedic Research Society
Lisbona
2-4 Giugno 2005
43
44
Reggiani, Barbara; Leardini, Alberto; Corazza, Federico; Taylor, Mark
MAL-POSITIONING OF A NOVEL TOTAL ANKLE REPLACEMENT: A SENSITIVITY STUDY / Reggiani, Barbara; Leardini, Alberto; Corazza, Federico; Taylor, Mark. - (2005), pp. 43-44. (Intervento presentato al convegno 15th European Orthopaedic Research Society tenutosi a Lisbona nel 2-4 Giugno 2005).
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1153310
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