A new method for internal-external rotation measurement in a prosthetic knee

In this work, a magnetic measurement system was designed and tested to estimate the Internal-External rotation between the Tibial and Femural parts of a knee prosthesis. To obtain this, the sensors were inserted in polyethylene part while a permanent magnet was placed below the Tibial plate. The configuration was designed to keep the intrinsic unbiassness to the positive and negative internal-external angles. A linear regression model was used to map magnetic measurements of the sensors to the angles. For validation the prosthesis was placed in a mechanical simulator equipped with reflective markers tracked by optical motion capture system


Presented at:
3D Analysis of Human Movements, Bolonga, Italy, July 18-20, 2012
Year:
2012
Keywords:
Note:
Winning the best paper award.
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 Record created 2012-08-02, last modified 2018-03-17

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