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In Association with
Development of novel talus implant based on artificial neural network prediction of talus morphological parameters
World Bio Summit & Expo
Rosdi Bin Daud1, S Suaidah1, Mohammed Rafiq Abdul Kadir2, S Izman2, H Mas Ayu1, Hanumantharao Balaji Raghavendran3 and Tunku Kamarul3
1Universiti Malaysia Pahang, Malaysia 2Universiti Teknologi Malaysia, Malaysia 3Universiti Malaya School of Medicine, Malaysia
ScientificTracks Abstracts: J Biotechnol Biomater
Abstract
The design philosophies of current talus implant focus too much on mechanical simplicity and usually based on certain population which tends to ignore the bony geometry difference between populations. Thus, the novel talus implant (NTI) for particular population was developed based on artificial neural network (ANN) prediction of talus morphometrics. By using finite element method (FEM), numerical models that include mainly the talus bone and the talus implants are created to compare the performance of the NTI with the three different kind of current talus implant designs. The study demonstrates that not all current talus implant are perfect match for this particular population. While, the ANN method showed a greater capacity of prediction regarding the low percentage of error and high correlative values with the measurements obtained through computer tomographic (CT) scan. ANN is highly accurate predictive method and has the potential to be used as assisting tools in designing talus implant. For FEM results, only BOX and NTI exceeded the contact stress recommended for the superior articular surface compared to the others. The results also showed that the stress increased near the resected surface. Thus, it is agreed that excessive bone resection may not support the force at the ankle which consequently may contribute to early loosening and subsidence of the talus implant. It is concluded that the excessive bone resection can be avoided by perfectly matching talus implant which only can be achieved by designing talus implant for a particular population.Biography
Rosdi Bin Daud is pursuing PhD at Universiti Teknologi Malaysia and completed his Master’s from Portsmouth University School of Engineering in 2002. He is the Senior Lecturer of Mechanical Faculty, Universiti Malaysia Pahang. He has published more than 20 conference papers which are indexed by ISI/SCOPUS and also has published a few articles in reputed journals.
Email: fendiukm@yahoo.com
