Patent ID: 8105386

Claim:
A device, comprising: a first tibia base plate comprising an upper surface, a lower surface and an outer perimeter side surface extending between said upper surface and said lower surface of said first tibia base plate; an insert comprising an upper surface, a lower surface and an outer perimeter side surface extending between said upper surface and said lower surface of said insert, said insert adapted to be positioned above said first base plate, said insert and said first base plate having a first configuration, wherein said insert is translationally fixed to said first base plate and rotatable relative to said first base plate; a connector rotatably connecting said insert to said first tibia base plate; and at least one removable pin having a first portion and a second portion, said first portion of said pin sized for engagement with an opening formed in said outer perimeter side surface of said first base plate and said second portion of said pin sized for engagement with an opening formed in said outer perimeter side surface of said insert to thereby prevent relative rotation between said insert and said first base plate.