ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,220,179, issued on Feb. 11, was assigned to Synaptive Medical Inc. (Toronto).

"Methods and devices for tracking objects by surgical navigation systems" was invented by Kamyar Abhari (Toronto), Kai Michael Hynna (Toronto), Gal Sela (Toronto) and Kirusha Srimohanarajah (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and device for tracking objects by surgical navigation systems. The method includes: capturing an image of the tracked object; determining whether a unique identifiable feature associated with at least one totem pattern is discernible in the image; when the unique identifiable feature is discernible: determining a position or ...