ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,475, issued on July 15, was assigned to Aesculap AG (Tuttlingen, Germany).
"Sizer system for arthroplasty" was invented by Alexis Vouaux (Poulangy, France) and Christophe Girouard (Sarcicourt, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A femoral sizer system for knee arthroplasty includes a main block having a back surface that contacts a processed distal face of a femur. A fixed foot extends away from the back surface for posterior referencing. A docking unit docks with a connecting unit. An anterior stylus has a stylus tip for contact with an anterior face of the femur. The stylus is attachable to the main block and can adjust a positio...