ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,234, issued on June 3, was assigned to Stryker Corp. (Portage, Mich.).

"Systems and methods for persistent ureter visualization" was invented by Lina Gurevich (Vancouver, Canada) and Arthur E. Bailey (North Vancouver, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for visualizing tissue of a subject during a medical procedure includes receiving, during the medical procedure, a first imaging modality frame generated by imaging a region of the tissue of the subject according to a first imaging modality and a second imaging modality frame generated by imaging a region of tissue of the subject according to a second imaging modality; deter...