An implantable telemetry device to measure intra-articular tibial forces.

  title={An implantable telemetry device to measure intra-articular tibial forces.},
  author={Darryl D D'lima and Christopher P. Townsend and Steven W. Arms and Beverly A Morris and Clifford W. Colwell},
  journal={Journal of biomechanics},
  volume={38 2},
Tibial forces are important because they determine polyethylene wear, stress distribution in the implant, and stress transfer to underlying bone. Theoretic estimates of tibiofemoral forces have varied between three and six times the body weight depending on the mathematical models used and the type of activity analyzed. An implantable telemetry system was therefore developed to directly measure tibiofemoral compressive forces. This system was tested in a cadaver knee in a dynamic knee rig. A… CONTINUE READING


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