US Patent Issued to ASENSUS SURGICAL EUROPE S.A.R.L. on Feb. 11 for "Surgical site measurement, and camera calibration using fiducial markers on surgical tools" (North Carolina Inventors)

ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,220,226, issued on Feb. 11, was assigned to ASENSUS SURGICAL EUROPE S.A.R.L. (Bertrange, Luxembourg).

"Surgical site measurement, and camera calibration using fiducial markers on surgical tools" was invented by Tal Nir (Durham, N.C.) and Lior Alpert (Durham, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Calibration of parameters of an endoscopic or laparoscopic camera is conducted while the camera is in use capturing images of a surgical procedure at a surgical site. The surgical procedure is performed using a surgical instrument marked with a fiducial pattern. A processor receives image data from images captured by the camera and uses machine vis...