Introduction
At the beginning of 2000, Professor
Pierre-François Leyvraz, Department Head at the main Orthopaedic
Hospital serving French-speaking Switzerland (Hôpital Orthopédique
de la Suisse Romande) and Vincent Leclercq, a graduate engineer
of the Federal Polytechnic School of Lausanne (EPFL), conducted
an in-depth study, both theoretical and clinical, on total knee
prostheses currently available on the market.
On the basis of the work undertaken over 15 years at the EPFL,
the study led them to develop a new prosthesis with an improved
articular design, which makes it possible to reduce the wear of
the polyethylene, increase the stability of the implants and increase
the amplitude of articular flexion.
A group of European surgeons has also contributed to the development
of an optimal operative technique.
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