ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,971, issued on Oct. 21, was assigned to NuVasive Inc. (San Diego).
"Calibration for surgical navigation" was invented by Sean O'Connor (San Diego), Nissim Avitan (Jerusalem), Elazar Cohen (Jerusalem), Gilad Stern (Jerusalem) and David Wanderman (Modi'in, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "Examples of the disclosure include methods and systems for calibrating a C-arm imaging device for surgical navigation. Calibrating the C-arm imaging device may include, for a plurality of positions of the C-arm imaging device, determining the position of the C-arm imaging device, receiving an image of a calibration fixture from the C-arm imaging ...