ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,295, issued on Feb. 17, was assigned to Globus Medical Inc. (Audubon, Pa.).

"Camera tracking system identifying phantom markers during computer assisted surgery navigation" was invented by Tom Calloway (Pelham, N.H.) and Neil R. Crawford (Chandler, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A camera tracking system for computer assisted navigation during surgery. Operations identify stray markers in a frame of tracking data from tracking cameras, and identify stray markers of a reference array. Stray markers of the reference array are designated assigned status and, otherwise, designated unknown status. The operations designate other of th...