ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,298, issued on April 29, was assigned to Stryker Corp. (Portage, Mich.).

"Instrument tracking machine" was invented by Mayank Kumar (San Jose, Calif.), Sheetal Deepak Jantikar (Freemont, Calif.), Siddarth Satish (Portola Valley, Calif.), Kevin J. Miller (Mountain View, Calif.), Steven Scherf (Oakland, Calif.) and Charles Peterson Carroll (Berkeley, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A machine accesses a first image captured prior to initiation of a procedure, where the first image depicts a set of instruments, as well as a second image captured after initiation of the procedure, where the second image depicts a proper subset of the...