Experimental and analytical validation of a modular acetabular prosthesis in total hip arthroplasty.
biomechanical · Level V
Where this comes from
- Record sourced from PubMed, PMID 17506882.
- Also identified by PMC identifier 1891272.
- Licence recorded as CC BY.
- The licence permits redistribution, so the abstract is shown in full and the full text is available from the publisher.
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.
Anatomy
- hip