Biomechanical analysis of stress distribution in medical articulated prostheses applied for a transfemoral prosthesis
DOI:
https://doi.org/10.31381/perfilesingenieria.v18i18.5406Keywords:
Articulated prosthesis, transfemoral prosthesis, stress distribution, Inventor, Ansys CFXAbstract
In this project, a study of the architecture of an articulated medical prosthesis will be carried out, specifically a transfemoral prosthesis, where the structure of the joints and distribution of efforts in it will be studied. There will also be analysis of the design and technical behavior, as well as the quality of the prosthesis against corrosion and deformation in relation to time with the help of simulations with the programs to be used that are Inventor 2022 and Ansys CFX. Those programs make use of the finite element calculation method since this is usually the most efficient for structural analysis. After doing the analysis it was possible to conclude with the results that due to the mechanical design of the leg prosthesis. This would fulfill its mission for daily use, however, the limitations could generate a deformative problem in the center of rotation when applying the prosthesis for situations not admissible of the design, such as running or jumping and sports physical activities. Each prosthesis requires a personalized design in terms of the weight, height and age of the person used, this also converges with the body mass or fat index that modifies the force to be supported by the leg, and the cost will vary greatly depending on the materials for its manufacture and the person to whom it is addressed.
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