ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,978, issued on July 28, was assigned to Mayo Foundation for Medical Education and Research (Rochester, Minn.).

"System for custom implant design and instrumentation" was invented by John W. Sperling (Rochester, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods include a component of a bone implant that includes a patient specific bone contacting surface and, optionally, at least one protrusion adjacent to or extending from the patient specific bone contacting surface. The at least one protrusion is configured for engaging a bone preparation in the bone. To prepare the bone for receiving the component, one or more cutting tool ...