NDLI: Comparison of two commercial patellofemoral prostheses by means of computational modeling

Content Provider	IEEE Xplore Digital Library
Author	Muller, J.H. Scheffer, C. Erasmus, P.J. Dillon, E.M. Elvin, A.
Copyright Year	2010
Description	Author affiliation: Civil and Environmental Engineering, University of the Witwatersrand, South Africa (Elvin, A.) \|\| Knee Clinic, Stellenbosch Medi-Clinic, South Africa (Erasmus, P.J.) \|\| Department of Orthopaedic Surgery, Stellenbosch University, Tygerberg, South Africa (Dillon, E.M.) \|\| Department of Mechanical and Mechatronic Engineering, Stellenbosch University, South Africa (Muller, J.H.; Scheffer, C.)
Abstract	There are many patellofemoral prostheses designs available for patellofemoral resurfacing, but few studies provide results objectively comparing these designs. In this study two designs are compared on the basis of patella kinematics and patellofemoral kinetics by means of a computational technique. Results indicated that the patellae displaced laterally after trochlear engagement, while tilt patterns were irregular between volunteers. Patellofemoral contact loads increased with knee flexion, whereas medial patellofemoral tension diminished. The results from three volunteer-specific models showed that Prosthesis B would reproduce similar patella kinematics and patellofemoral kinetics to the baseline models. The computational technique provided a means by which prostheses designs could be compared with similar input and boundary values.
Starting Page	5105
Ending Page	5108
File Size	580315
Page Count	4
File Format	PDF
ISBN	9781424441235
ISSN	1557170X
DOI	10.1109/IEMBS.2010.5626193
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-31
Publisher Place	Argentina
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Prosthetics Knee Solid modeling Computational modeling Bones Joints Kinematics
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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