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Virtual Model for Legg-Clavé-Perthes: Preliminary Work to Develop a Minimally Invasive Preclinical Model

[+] Author Affiliations
Bethany Juhnke, Arthur Erdman

University of Minnesota, Minneapolis, MN

Susan A. Novotny, Jennifer C. Laine

Gillette Children’s Specialty Healthcare, St. Paul, MN

Ferenc Toth

University of Minnesota, St. Paul, MN

Paper No. DMD2019-3288, pp. V001T07A005; 5 pages
  • 2019 Design of Medical Devices Conference
  • 2019 Design of Medical Devices Conference
  • Minneapolis, Minnesota, USA, April 15–18, 2019
  • ISBN: 978-0-7918-4103-7
  • Copyright © 2019 by ASME


Legg-Calvé-Perthes disease (LCPD) is a painful pediatric hip condition caused by an idiopathic disruption of blood flow to the femoral head. The bone subsequently becomes necrotic and fragile. This can result in significant femoral head deformity, leading to pain and early degeneration of the hip. Severity of avascular involvement of the femoral head correlates with long-term outcomes, including hip arthritis and replacement. Preclinical models present extreme cases of the disease and do not represent the spectrum of LCPD seen clinically. A virtual model was developed to explore advancing the preclinical model through new methods of visualizing the data. Overall, three opportunities to advance the preclinical model and our understanding of LCPD are presented.

Copyright © 2019 by ASME



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