Eventos Anais de eventos
COBEM 2023
27th International Congress of Mechanical Engineering
Development of a New Functional and Discrete Finger Prosthesis
Submission Author:
Esdras Salgado da Silva , PR
Co-Authors:
Esdras Salgado da Silva , Gustavo Valdatti Souza, Leonardo Mejia Rincon, Daniel Martins, Gustavo Paul Exel
Presenter: Esdras Salgado da Silva
doi://10.26678/ABCM.COBEM2023.COB2023-1932
Abstract
The hands play a crucial role in numerous daily activities, making the movement of fingers essential. However, incidents resulting in finger or partial finger amputations can severely impact functionality and cause psychological trauma. Prostheses offer a potential solution to address these challenges, restoring both function and self-image. To achieve this feat, the prosthesis needs to efficiently perform the natural movement of Human body in addiction to being visually discreet. In this context, this work aims to develop a mechanism for finger prostheses that replicates the natural movement of the human finger using the remaining part of the amputated finger. The mechanism, designed with aesthetics in mind, simulates the planar flexion/extension movement with one Degree of Freedom. The closed-chain mechanism presented in this paper offers an advantage over existing prostheses by considering both natural movement and discreet aesthetics. The development methodology employed follows established principles, ensuring the reliability and effectiveness of the mechanism. Initial analysis presents the Kinematics and functioning of the mechanism developed and shows that in every position, a good transmission quality is maintained within a range considered good and future works are suggested pointing to the direction of optimization.
Keywords
Robotics, Mechanism, dimensional synthesis, assistive technology, Prostesis

