Pre-Clinical Testing of Knee Implants

Currently a collaborative research program with an orthopaedic company is running to develop a finite element model of the knee joint. With this model total knee prosthetic designs can be evaluated and other issues like ligament replacement can be investigated. The model is recently utilized to assess the mechanics of high-flexion knee prostheses which are of particular importance for the middle-east and Asian market. In addition, a number of projects with various industrial partners were carried out.

Functional Evaluation of Total Knee Arthroplasty

The ORL has also initiated a research project to analyze the functionality of knee and hip prostheses after placement. This is done because the current evaluation methods to score total knee prostheses are not satisfying; the sensitivity is not high and usually it takes a very long time (in the order of ten years) before differences between total knee systems become apparent. In the current project, EMG, kinematics, and forces of knee patients are measured before and after placement of the prosthesis. It is expected that this method is an appropriate way to measure functional outcome of patients after receiving a total knee prosthesis.

Ph.D. student Lennert de Ruiter is working on knee implants, under supervision of Nico Verdonschot.

Pre-Clinical Testing of Knee Implants
Project-Leader Prof.Dr.Ir. Nico Verdonschot
Former Ph.D.-student Dr. Sanaz Berahmani
Former Ph.D.-student

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