Patellofemoral contact pressures exceed the compressive yield strength of UHMWPE in total knee arthroplasties.

@article{Takeuchi1995PatellofemoralCP,
  title={Patellofemoral contact pressures exceed the compressive yield strength of UHMWPE in total knee arthroplasties.},
  author={Tatsuto Takeuchi and V K Lathi and Akthar M Khan and Wilson C. Hayes},
  journal={The Journal of arthroplasty},
  year={1995},
  volume={10 3},
  pages={363-8}
}
To address mechanisms involved in wear and permanent deformation of patellofemoral components in total knee arthroplasties, a previously reported knee joint loading model and pressure-sensitive film were used to measure patellofemoral contact areas and pressures in human cadaver knee joints after implantation with six different total knee joint designs. The joints were tested at three different Q angles (physiologic, -10 degrees, and +10 degrees) and four different flexion angles (30 degrees… CONTINUE READING

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