Manufacturers of fixed-bearing artificial knee joints include DePuy, Smith & Nephew, Stryker and Biomet. Wright also manufactures fixed bearing artificial knee joints. A fixed-bearing knee joint, which is designed to maximize stability, is the most common type of artificial knee joint.
Mobile-bearing artificial knee joints are typically used with patients who are young, active and/or overweight. Manufacturers of mobile-bearing artificial knee joints include Zimmer and DePuy. Both companies make mobile-bearing artificial knee joints for total knee replacement procedures. The artificial joints are designed to mimic natural knee movement by bending and rotating freely. The companies Biomet, DePuy and Zimmer make products for partial knee replacements.