ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,032, issued on Dec. 9, was assigned to DYNAMIC BALANCER SYSTEMS LLC (Belmont, N.C.).
"Knee arthroplasty method" was invented by Franz W. Kellar (Gastonia, N.C.), Harold L. Crowder (Concord, N.C.) and Franz Austen Kellar (Gastonia, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of evaluating a human knee joint includes: inserting a tensioner-balancer; moving the knee joint to one or more positions within its range of motion; using the tensioner-balancer to maintain a predetermined distraction load range or a predetermined distraction height range, and collecting distraction height data and distraction force data of the femur relative to ...