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TECHNICAL PAPERS

Design Optimization of Cementless Femoral Hip Prostheses Using Finite Element Analysis

[+] Author and Article Information
Piotr Kowalczyk

Institute of Fundamental Technological Research, Polish Academy of Sciences, Świętokrzyska 21, 00-049 Warszawa, Polande-mail: pkowalcz@ippt.gov.pl

J Biomech Eng 123(5), 396-402 (Apr 17, 2001) (7 pages) doi:10.1115/1.1392311 History: Received February 13, 2000; Revised April 17, 2001
Copyright © 2001 by ASME
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References

Figures

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Computation scheme in the optimization routine
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Physical model: Dashed lines denote the winglet base line and the limit of the proximal porous coated area on the implant surface
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Definition of dimensionless design parameters
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Tangential stress distribution in bone along its internal surface on the lateral (left) and medial (right) side, for the initial implant design
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Tangential stress sensitivity distribution in bone along its internal surface on the lateral (left) and medial (right) side, for the initial implant design (as the design parameters are dimensionless, sensitivity has the stress units)
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Optimum tangential stress distribution in bone along its internal surface on the lateral (left) and medial (right) side, for the case with two design parameters
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Optimum tangential stress distribution in bone along its internal surface on the lateral (left) and medial (right) side, for the case with four design parameters

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