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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_34 | Pages 222 - 222
1 Dec 2013
Agueci A Mariani C
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The Authors present a ligament tensor for the evaluation of the ligaments balance used during the implant of total knee prosthesis, which is able to suggest the orientation of the bone resection, not only in knee flexion, but also in extention. This instrument provides for the placement of the endomedullary rod equipped (figures 1 and 2) with a plate of various valgus levels on which, the balancing part of the tensor, is pushing against, while the stable part is leaning against the tibial resected surface (figure 3).

This system allows to choose the right valgus level, without having to recur to the ligamentous lysis, if so only minimum, and above all, allows this way to aviod the error of orienting the distal femoral resection due to the imperfect coaxiality between the endomedullary rod and the femoral canal. This mistake might happen because of the imperfect point of entrance and/or because of a not so small difference between the rod caliber and the femoral canal width.