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Knee kinematics with a high-flexion posterior stabilized total knee prosthesis: an in vitro robotic experimental investigation.

Authors
  • Li, Guoan
  • Most, Ephrat
  • Sultan, Peter G
  • Schule, Steve
  • Zayontz, Shay
  • Park, Sang Eun
  • Rubash, Harry E
Type
Published Article
Journal
The Journal of bone and joint surgery. American volume
Publication Date
Aug 01, 2004
Volume
86-A
Issue
8
Pages
1721–1729
Identifiers
PMID: 15292421
Source
Medline
License
Unknown

Abstract

The tibiofemoral articular geometry of the intact knee and the knee after total knee arthroplasty with use of the LPS-Flex design demonstrated similar kinematics at high flexion angles. The cam-spine mechanism enhanced posterior femoral translation only at the mid-range of flexion. The femoral component geometry of the LPS-Flex total knee prosthesis may improve posterior tibiofemoral articulation contact in high flexion angles.

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