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In the past decades, there has been an increase in the prevalence of degenerative joint diseases. Artificial knee replacement has been shown to be effective and have predictable results in patients with arthritis. Following the implant replacement, the patients are able to resume their daily living. The preliminary design and analysis of artificial knee implant was conducted using Solidworks and Abaqus...
A custom, patient-specific unicompartmental knee replacement was developed using a unsupervised neural network trained on a database of healthy knee geometries. This custom implant was then compared to a conventional implant in terms of contact stress in a Finite Element Model. The custom implant experienced lower contact stresses at the tibiofemoral joint compared to the conventional implant. The...
Aseptic loosening is the critical reason for the failure of the cemented total hip arthroplasty. It occurs due to bone remodeling triggered by stress shielding and cement mantle fracture. In this study, stress shielding and bone thickening phenomenon of the cemented THA femur was analysed using three dimensional finite element method for walking load case. The intact femur is modeled to consist of...
A three dimensional finite element model was constructed based on the cemented total hip arthroplasty to study the stress magnitude and stress distribution of the cemented intramedullary stem. The von Mises stresses of the artificial femoral stem in the different cemented conditions and loading conditions simulated in vivo were calculated and analyzed using ABAQUS finite element software. The results...
The coordinated and simultaneous movements of the scapula, clavicle and humerus are necessary for full elevation and normal function of the upper limb. The morphologic structure of the shoulder can be represented, at a first approximation, by a set of geometrical finite elements. Three representations of bone contours are used to model the shoulder mechanism. The development of this type of applications...
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