Patent ID: 8888856

Claim:
A prosthetic knee system, comprising: a femoral component having a lateral condyle and a medial condyle, said femoral component defining a plurality of femoral attachment points between said lateral and medial condyles, said plurality of femoral attachment points comprising at least one of a plurality of lateral femoral attachment points and a plurality of medial femoral attachment points; a tibial component having a lateral articulating surface, a medial articulating surface, and a center region located between said lateral articulating surface and said medial articulating surface, said tibial component defining a plurality of tibial attachment points on said center region comprising at least one of a plurality of anterior tibial attachment points on said center region and a plurality of posterior tibial attachment points on said center region; and a first prosthetic ligament having an elongate body, a first end, a second end, and attachable to any of said plurality of femoral attachment points, said elongate body also attachable to any of said plurality of tibial attachment points, said first prosthetic ligament extending from one of said plurality of femoral attachment points to one of said plurality of tibial attachment points to define a prosthetic ligament span, said prosthetic ligament span defining a prosthetic ligament tension, wherein said prosthetic ligament tension is variable when said first and second ends of said prosthetic ligament are attached to varying ones of said plurality of femoral attachment points and said plurality of tibial attachment points.