ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,254, issued on Jan. 13, was assigned to Aesculap AG (Tuttlingen, Germany).
"Surgical instrument system" was invented by Franz-Peter Firmbach (Emmingen-Liptingen, Germany) and Svenja Anhorn (Heroldstatt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical instrument system for use in a total knee arthroplasty includes a reference block that is attachable to a femur. The reference block has a block front side and a block rear side lying opposite the block front side. At least one compensation element has an element rear side and, lying opposite along the proximal-distal axis, a contact face for contacting a lateral condyle and/or medial ...