Effect of Plugging the Registration Pin Tract in Robotic-assisted Knee Surgery

The investigational treatment is the use of a bone plug in the two drill-holes in the tibia, made by two pins for securing the tibial array to the bone. The pins that are used for this, are 4.0mm wide. The bone plug that is used to fill the drill-holes of tibia, is obtained from the bone that is removed during the operation to make place for the new prosthesis. A piece as wide as the drill-hole is cut off the recessed bone and put into this hole. After this, the wound is closed using surgical staples.