ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,034, issued on Jan. 13, was assigned to KONINKLIJKE PHILIPS N.V. (Eindhoven, Netherlands).

"Tracking system and marker device to be tracked by the tracking system for a medical procedure" was invented by Bernhard Gleich (Hamburg, Germany), Juergen Erwin Rahmer (Hamburg, Germany), Michael Grass (Buchhols In der Nordheide, Germany), Marco Verstege (Eindhoven, Netherlands), Dirk Schaefer (Hamburg, Germany) and Wim Crooijmans (St. Oedenrode, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tracking system for tracking a marker device for being attached to a medical device is provided, whereby the marker device includes a sensing unit compris...