ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,394, issued on July 15, was assigned to Stryker Corp. (Portage, Mich.).

"Surgical navigation systems and methods" was invented by James G. Walen (Portage, Mich.), Zachary Bolthouse (Kalamazoo, Mich.), Zachary Kemp (Naples, Fla.) and David Tallon (Shanagarry, Ireland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates generally to a surgical system. The surgical system comprises one or more surgical instrument assemblies and a surgical navigation system. The surgical instrument assemblies comprises a tracking device capable of being tracked by the surgical navigation system. The surgical system is also configured to allow th...