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Next Generation Knee Replacements: A New Approach to Replicate the Function of the ACL

[+] Author Affiliations
Gokce Yildirim, Peter S. Walker, Jason Boyer

New York University/Hospital for Joint Diseases, New York, NY

Jonathan Sussman-Fort

Columbia University, New York, NY

Paper No. SBC2007-176201, pp. 709-710; 2 pages
doi:10.1115/SBC2007-176201
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

Current total knee replacements solve the problem of arthritic knee joints, but the evidence is that normal patterns of knee motions are not restored (1) In addition; paradoxical anterior sliding of the femur on the tibia can occur in the first half of the flexion range (2). Achieving natural motion is likely to be important for daily activities which involve higher angles of flexion, in terms of restoring normal soft tissue lengths and patello-femoral mechanics. Studies have shown the damaging effects of anterior femoral slide on the tibia affecting both the patella and the patellar tendon (3). Our paper examines new knee replacement designs which incorporate geometrical features to regain anatomical knee motion.

Copyright © 2007 by ASME

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