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Methodology of Optimization of the Design of an Orthopedic Implant

Muzalewska M., Moczulski W.

Machine Dynamics Research

2015

Vol. 39, No. 2

133-141

The scientific goal of the project is multicriterial optimization of the design of an orthopedic implant responsible for supporting the reconstruction of the anterior cruciate ligament. The implant should not only precisely anchor the tendon in the tunnel but, above all, - thanks to appropriately selected geometric shape and other design features - accelerate the ingrowth of bone tissue into the grafted tendon. The condition for the correct ingrowth of the bone tissue is to enable optimal perfusion of blood and other body fluids into the ligament prosthesis (grafted tendon). Therefore, the geometrical shape of the implant should allow accumulating active biological factors in the vicinity of the grafted tendon, thus accelerating the healing process. The research hypothesis is that there is a specific number of holes of a certain shape and a specific arrangement of these holes, which ensure optimum blood perfusion by maintaining adequate mechanical properties. Finding the optimum is possible by methods such as Artificial Immune Systems from heuristic algorithms class.