Experimental and Analytical Validation of a Modular Acetabular Prosthesis in Total Hip Arthroplasty

Overview

Journal J Orthop Surg Res

Publisher Biomed Central

Specialty Orthopedics

Date 2007 May 18

PMID 17506882

Citations 3

Authors

Francisco Romero

Farid Amirouche

Luke Aram

Mark H Gonzalez

Affiliations

Soon will be listed here.

Abstract

A finite element model has been developed to predict in vivo micro motion between a modular acetabular cup and liner after cement less total hip arthroplasty. The purpose of this study is to experimentally validate the model. Six LVDT sensors were used to monitor the micromotion of the liner when subjected to loading conditions ranging from 250 N to 5000 N. Deformations at points of interest for both the experiment and FEM were compared. Results of the FEM with different coefficient of friction between the liner and the cup were investigated to correlate with the experimental results.

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