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DESIGN AND STRUCTRAL ANALYSIS OF HIP-JOINT IMPLANT

DESIGN AND STRUCTURAL ANALYSIS OF HIP-JOINT IMPLANT

Bindu Madhavi¹, R. Leela Sowmithry², K. Neeha³, Dr. M. Geeta Rani^4*

^1,2,3 Students, B. Tech-Final Year, Department of Mechanical Engineering

^4* Associate Professor, Department of Mechanical Engineering

Andhra Loyola Institute of Engineering and Technology, Vijayawada.

ABSTRACT:

An artificial joint (prosthesis) helps reduce pain and improve function. Also called total hip arthroplasty, hip replacement surgery might be an option if hip pain interferes with daily activities and nonsurgical treatments haven't helped or are no longer effective. We review the different materials, constructions, and surfaces used in the development of femoral stems, in order to solve and avoid various problems associated with their use. Femoral stem prostheses have undergone substantial changes and design optimizations since their introduction In this project a new design of hip joint implant is introduced by using Ti6Al4V(alpha-beta Ti alloy), Cobalt Chromium(Co Cr) alloy, 316L stainless steel alloy materials. All the parts are designed in CATIA V5.18 and static structural analysis was done in ANSYS WORKBENCH. The equivalent (Von Mises) stresses are analyzed and deformation of the Hip joint for all the three materials are compared. Also, Ti6AL4V has better properties that are similar to bone compared to the rest of the bio materials that are considered during the project work.

KEYWORDS: Implant, Femoral stem, Femoral head, Plastic liner, Acetabular component, Support plate, Structural analysis.