Finite element modeling of a generic stemless hip implant design in comparison with conventional hip implants

Asgari, S. A., Hamouda, A. M. S., Mansor, S. B., Singh, H., Mahdi, E., Wirza, R. and Prakash, B. 2004, Finite element modeling of a generic stemless hip implant design in comparison with conventional hip implants, Finite elements in analysis and design, vol. 40, no. 15, pp. 2027-2047.


Title Finite element modeling of a generic stemless hip implant design in comparison with conventional hip implants
Author(s) Asgari, S. A.
Hamouda, A. M. S.
Mansor, S. B.
Singh, H.
Mahdi, E.
Wirza, R.
Prakash, B.
Journal name Finite elements in analysis and design
Volume number 40
Issue number 15
Start page 2027
End page 2047
Total pages 21
Publisher Elsevier
Place of publication Amsterdam, Netherlands
Publication date 2004-09
ISSN 0168-874X
Summary In this study, the finite element modeling and comparison of the stress and strain analyses were carried out for three different structures that are intact bone, stemless implant and stemmed one. Currently proposed stemless design studied here is the generic concept of stemless implant. This generic stemless implant reconstruction was numerically compared to the conventional stemmed implant and also to the intact bone as control solution. Two loading conditions were applied to the most proximal part of the models, while the most distal part was fixed for all degrees of freedom. The models were divided into two regions and studied along two paths of medial and lateral aspect. The results of this study showed that the stemless implant had less deviation from the control solution of the bone in all regions and in both loading conditions, comparing to the large deviation of the stemmed implant from the intact bone. However, it was shown that the fixation of this type of implant and its effect on sub-trochanter region must be carefully considered for designing the final product of any specific design of stemless implant.
Language eng
Field of Research 120499 Engineering Design not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2004, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30025297

Document type: Journal Article
Collection: School of Engineering
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