ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,153, issued on Jan. 13, was assigned to NuVasive Inc. (San Diego).

"Methods and instruments for performing leveraged reduction during single position spine surgery" was invented by Tyler G. Smith (Gold River, Calif.), Michael Krasovic (San Diego) and Brian Wade Adams (Rocklin, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spinal procedure includes attaching a first reduction instrument to a first guide assembly and a second guide assembly. The first reduction instrument includes a fixed attachment assembly and a translating attachment assembly that cooperatively interfaces the fixed attachment assembly. The first guide assembly is attached...