Development of a size and shape matching index for osteochondral allografts

E. Y.S. Chao, M. L. Samson, K. N. An, M. G. Rock, R. Robb

Research output: Contribution to journalConference articlepeer-review


We investigated the three-dimensional geometry of the distal femur and simulated hemicondylar allograft reconstruction. The CT scan data of ten distal femurs allowed graphic reconstruction and three-dimensional projections utilizing least square fit techniques to determine the radii of each condyle. Three-dimensional reconstruction of several normal subjects was used to allow hemicondylar resection and reconstruction of cadaveric femurs. Using the rigid body spring model technique, the pressure distribution in contact regions was calculated assuming a one-legged stance. Defining the most relevant geometric parameters for pressure distribution, kinematic analysis is necessary.

Original languageEnglish
Pages (from-to)996
Number of pages1
JournalJournal of Biomechanics
Issue number10
Publication statusPublished - 1989
EventAbstracts of the XII Congress, International Society of Biomechanics - Los Angeles, CA, USA
Duration: 1989 Jun 261989 Jun 30

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Orthopedics and Sports Medicine
  • Biomedical Engineering
  • Rehabilitation

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