ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,585, issued on Oct. 28, was assigned to SMITH & NEPHEW INC. (Memphis, Tenn.), SMITH & NEPHEW ORTHOPAEDICS AG (Zug, Switzerland) and SMITH & NEPHEW ASIA PACIFIC PTE. Ltd. (Singapore).

"Orthopedic fixation device with lag screw and compression screw" was invented by Jordan Rakes (Cordova, Tenn.), Kohsuke Watanabe (Memphis, Tenn.), William M. Ricci (New York) and Daniel S. Chan (Macon, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An orthopedic fixation device (e.g., an intramedullary ("IM") nail or bone plate) including a lag screw and a compression screw, the compression screw being nested with the lag screw. In accordance with one or more featu...