ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,490,992, issued on Dec. 9, was assigned to Treace Medical Concepts Inc. (Ponte Vedra, Fla.).

"Patient-specific surgical methods and instrumentation" was invented by Adam D. Perler (St. Petersburg, Fla.) and James Q. Spitler (Winter Garden, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A patient specific instrument is disclosed for correcting a condition present in a patient. The patient specific instrument includes a body that includes an inferior side having a bone engagement surface shaped to match a first surface of a first bone and a second surface of a second bone of a joint. The instrument also includes a superior side having a first guide fe...