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Evaluation of modal analysis techniques using physical models to detect osseointegration of implants in transfemoral amputees

Cairns, Nicola J., Adam, Clayton J., Pearcy, Mark J., & Smeathers, James E. (2011) Evaluation of modal analysis techniques using physical models to detect osseointegration of implants in transfemoral amputees. In Lovell, Nigel H. (Ed.) Proceedings of the 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, IEEE, Boston Marriott Copley Place Hotel, Boston, MA, pp. 1600-1603.

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Abstract

Non-invasive vibration analysis has been used extensively to monitor the progression of dental implant healing and stabilization. It is now being considered as a method to monitor femoral implants in transfemoral amputees. This paper evaluates two modal analysis excitation methods and investigates their capabilities in detecting changes at the interface between the implant and the bone that occur during osseointegration. Excitation of bone-implant physical models with the electromagnetic shaker provided higher coherence values and a greater number of modes over the same frequency range when compared to the impact hammer. Differences were detected in the natural frequencies and fundamental mode shape of the model when the fit of the implant was altered in the bone. The ability to detect changes in the model dynamic properties demonstrates the potential of modal analysis in this application and warrants further investigation.

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ID Code: 47844
Item Type: Conference Paper
Additional Information: Proceedings to be published in IEEE Engineering in Medicine and Biology Society
Keywords: modal analysis, implant osseointegration, amputee, vibration analysis, transfemoral amputee
DOI: 10.1109/IEMBS.2011.6090463
ISBN: 9781424441211
ISSN: 1557-170X
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > BIOMEDICAL ENGINEERING (090300)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Exercise & Nutrition Sciences
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2011 IEEE
Copyright Statement: Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Deposited On: 21 Dec 2011 08:31
Last Modified: 24 Dec 2011 12:01

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