ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,223, issued on April 29, was assigned to INTUITIVE SURGICAL OPERATIONS INC. (Sunnyvale, Calif.).

"Systems and methods of registration for image-guided surgery" was invented by Caitlin Q. Donhowe (Mountain View, Calif.), Vincent Duindam (San Francisco), Timothy D. Soper (San Jose, Calif.) and Tao Zhao (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method comprises receiving a set of model points of a model of one or more passageways of a patient. The method further comprises receiving a set of measured points collected from within the one or more passageways of the patient. Each point comprises coordinates within a medical environ...