Failure analysis of the tibial component baseplate after total knee arthroplasty

Oliveira, A.L.L.; Cueva, E.G.; Carvalho, Rogério Teixeira de

doi:10.1016/j.engfailanal.2013.10.012

Engineering Failure Analysis

2014

DOI: 10.1016/j.engfailanal.2013.10.012

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Failure analysis of the tibial component baseplate after total knee arthroplasty

A.L.L. Oliveira

E.G. Cueva

Rogério Teixeira de Carvalho

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Cited by 4 publications

(1 citation statement)

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“…For further research of the failure mechanisms of prostheses such as wear and aseptic loosening, a variety of observation facilities have been employed. Oliveira et al 7 investigated the failure mechanism which led to the fracture in the medial portion of the baseplate from a retrieved modular prosthesis. Design for the assembly of the tibial component was proved to be inefficient in this prosthesis.…”

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Finite Element Analysis of a Retrieved Custom-Made Knee Prosthesis

Sun

Wang

Geng

et al. 2015

J. Mech. Med. Biol.

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Custom-made knee prostheses have been widely used to reconstruct the function of the lower limb in bone tumor resections. A custom-made tumor knee prosthesis was retrieved on account of prosthesis loosening post-surgery. Misalignment between the anatomical axis of the femur and the axis of the femoral stem as well as the material loss at the posterior region of the tibial plateau were considered to be the primary causes of the failure. Based on this hypothesis, finite element analysis was performed to investigate the contact mechanics of the prosthesis while implanted in vivo. The maximum deformation at the femur was 0.59 mm and 1.17 mm when the misalignment angle was 3˚ and 6˚, respectively. Besides, the maximum contact pressure at the tibial plateau was 44.88 MPa at an extremely high flexion of angle 135˚ during squatting or kneeling. Uneven stress distribution at the femur, which came from the misalignment, was the main cause of loosening, which was aggravated indirectly with the material loss at the posterior region of the tibial plateau. Optimized prosthesis design and appropriate selection, with accurate surgical positioning and targeted rehabilitation training programme are important considerations for prolonging life-span of prostheses in vivo.

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confidence: 99%

Finite Element Analysis of a Retrieved Custom-Made Knee Prosthesis

Sun

Wang

Geng

et al. 2015

J. Mech. Med. Biol.

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Projective geometric model for automatic determination of X-ray-emitting source of a standard radiographic system

García-Ruesgas

Álvarez-Cuervo

Valderrama-Gual

et al. 2018

Computers in Biology and Medicine

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Effect of malaligned knee prosthesis on stress and fatigue life of tibial tray

Noraphaiphipaksa

Borrisutthekul

Kanchanomai

2022

Engineering Failure Analysis

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Failure analysis of the tibial component baseplate after total knee arthroplasty

Cited by 4 publications

References 32 publications

Finite Element Analysis of a Retrieved Custom-Made Knee Prosthesis

Finite Element Analysis of a Retrieved Custom-Made Knee Prosthesis

Projective geometric model for automatic determination of X-ray-emitting source of a standard radiographic system

Effect of malaligned knee prosthesis on stress and fatigue life of tibial tray

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