ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,034, issued on Dec. 9, was assigned to INTUITIVE SURGICAL OPERATIONS INC. (Sunnyvale, Calif.).

"Systems and methods of pose estimation and calibration of perspective imaging system in image guided surgery" was invented by Timothy D. Soper (San Jose, Calif.), Federico Barbagli (San Francisco), Caitlin Q. Donhowe (Mountain View, Calif.), Vincent Duindam (San Francisco), Michael D. Paris (San Francisco), Oliver Wagner (Mountain View, Calif.) and Tao Zhao (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-assisted medical system comprises a fluoroscopic imager having a full scan range in a surgical coordinate space. The system f...