Tibial Tray, component of Ortho Development Balanced Knee System, Nonporous, Sterile R, Size 3, REF 162-1300, Ortho Development, Draper, Utah 84020. || The Balanced Knee System is indicated in the salvage of previously failed surgical attempts where femoral bone loss does not require the use of augments or stem extensions and where collateral ligaments may be relied upon for medial/lateral stability.