ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,016, issued on Dec. 2.

"Method and apparatus for directional guidance in the performance of a partial vertebrectomy within a cervical spine" was invented by Robert E. Simonson (Boca Raton, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of providing a guidance device for guiding a bone removal instrument for the removal of bone from a cervical vertebra and providing a vertebral body replacement device for placement into a void in a cervical spine between two endplates of a single vertebra during the course of an anterior spinal surgical procedure upon the cervical spine wherein the vertebral body replacement device has been given a PLR p...