US Patent Issued to SMITH & NEPHEW, SMITH & NEPHEW ORTHOPAEDICS, SMITH & NEPHEW ASIA PACIFIC on March 4 for "Trial-first measuring device for use during revision total knee arthroplasty" (Tennessee Inventor)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,383, issued on March 4, was assigned to SMITH & NEPHEW INC. (Memphis, Tenn.), SMITH & NEPHEW ORTHOPAEDICS AG (Zug, Switzerland) and SMITH & NEPHEW ASIA PACIFIC PTE. Ltd. (Singapore).

"Trial-first measuring device for use during revision total knee arthroplasty" was invented by Roger Ryan Dees Jr. (Drummonds, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A trial guide for temporary placement on the distal end of the femur during a knee revision includes instrumented components that allow a surgeon to determine distal and posterior extension gaps for balancing the revised implant, and an adjustable stem component that allows the surgeon to tran...