ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,388, issued on March 4, was assigned to Globus Medical Inc. (Audubon, Pa.).

"Camera tracking bar for computer assisted navigation during surgery" was invented by Thomas Calloway (Pelham, N.H.) and Leonid Naimark (Lynn, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A camera tracking bar of a camera tracking system for computer assisted surgery navigation. The camera tracking bar includes a first set of stereo tracking cameras having first resolution, first field of view, and spaced apart on the camera tracking bar by a first baseline distance. The camera tracking bar also includes a second set of stereo tracking cameras having second resolutio...