Session: 01-03 Polymers: Systems Engineering and Design

Paper Number: 98118

98118 - Design and Optimization of a Transtibial 3d Printed Prosthetic Socket 

 Globally, amputee cases increase due to dysvascular diseases or locomotive impairments, and 5% use prosthetic sockets. The conventional prosthetic sockets were fabricated and commercialised successfully. However, amputee comfortness is still challenging because of the rigid material and non-thermoregulatory system. Subsequently, that leads to irritations, wounds, macerations and ulcerations. To overcome these challenges, and in this current work, 3D printing technology has been used to fabricate the prosthetic socket. 3D printing technology is a disruptive technology and used to fabricate high intricate structures. Firstly, 2D image data through the CT scan / MRI scan tomography was generated and converted into 3D modelling using CAD software. Secondly, it focused on the design and optimisation using the novel approach of modifying lattice structure. The simulation was performed on a simple cubic structure by optimising the lattice arm's size (length and diameter) using the material properties of the Acrylonitrile butadiene styrene (ABS). Further, Ogden criteria were used for the simulation of a residual limb using ANSYS. The simulation result generated the optimised lattice structure with different stiffness and eventually demonstrated the research prototype 3D printed the prosthetic socket using multi-jet fusion technology. At the outset, the optimised 3D printed lightweight socket addresses the amputee challenges and increases the comfortness. 

Presenting Author: Venkatessan Janakiraman Indian Institute of Technology Jammu

Presenting Author Biography: Venkatessan is currently pursuing his final year undergraduate (Bachelor of Technology) at the Indian Institute of Technology Jammu. During his course work, he was involved in designing and developing prosthetic sockets for low limb amputees using 3D printing technology along with his batch-mate Mr Piyush Rai. At the outset, the project's outcome is submitted for the IAMC conference. Moreover, Mr Venkat's curriculum course work covers Additive Manufacturing, Design for Additive Manufacturing and post-processing for Additive Manufacturing. Mr Venkat has immense knowledge in the design and development of additive manufacturing technology, particularly for biomedical applications.

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