Rationale for the Posterior-stabilized Rotating-platform Knee

摘要

The nonposterior-stabilizcd mobile-bearing knee and the posterior-stabilized fixed-bearing design have been successfully used for ihe past three decades. Lessons learned from their use have culminated in the design of a posterior-stabilized mobile-bearing knee that incorporates beneficial features of both. The posterior-stabilized mobile-bearing knee is aimed at addressing polyethylene wear issues related to the fixed-bearing design, and improve upon stability and range of motion typical of nonposterior-stabilized mobile-bearing knee designs.