Patent ID: 6743258
Filing Date: 2004-06-01
Classification: A61B,A61F

Abstract:
A knee prosthesis system, comprising in combination a single-piece tibia plateau having two tibial sliding cavities, a single-piece femur component having two condylar sliding surfaces, the distance between and shape of which are adapted to the tibial sliding cavities and a pair of unconnected femoral condylar cups each having a condylar sliding surface the shape of which is adapted to the tibial sliding cavities, a positioning instrument which gives the condylar cups of the pair of unconnected pair of condylar cups predetermined positions relative to each other and to the tibial sliding cavities of the single-piece tibial plateau and a sawing gage having cutting planes in predetermined positions relative to the single-piece femur component and the pair of unconnected condylar cups.