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Advanced Material Modeling of UHMWPE for Orthopaedic Implant Design

[+] Author Affiliations
Jeffrey E. Bischoff, Mehul A. Dharia, Danny L. Levine

Zimmer, Inc., Warsaw, IN

Paper No. SBC2007-175828, pp. 683-684; 2 pages
doi:10.1115/SBC2007-175828
From:
  • ASME 2007 Summer Bioengineering Conference
  • ASME 2007 Summer Bioengineering Conference
  • Keystone, Colorado, USA, June 20–24, 2007
  • Conference Sponsors: Bioengineering Division
  • ISBN: 0-7918-4798-5
  • Copyright © 2007 by ASME

abstract

Ultra-high molecular weight polyethylene (UHMWPE) is extensively used in orthopaedic implants, and recent constitutive modeling efforts have endeavored to rigorously capture the nonlinear, quasi-static, inelastic properties of the material. In particular, the “hybrid model” developed by Bergstrom et al. has been shown to accurately characterize the response of UHMWPE to various loading protocols including uniaxial tension to failure, cyclic uniaxial tension/compression, and small punch testing [1–2].

Copyright © 2007 by ASME

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