In this March 22, 2013 photo, Dr. Pier Giulianotti, chief of minimally invasive and robotic surgery at the University of Illinois Hospital & Health Sciences System in Chicago, sits at the control panel of the da Vinci robot system. Surgeons say the advantages of the system include allowing them to operate sitting down, using small robotic hands with no tremor. But critics say a big increase in robot operations nationwide is due to heavy marketing and hype, and the U.S. Food and Drug Administration is looking into problems and deaths that may be linked with robotic surgery. (AP Photo/M. Spencer Green)CHICAGO (AP) — The largest thing in operating rooms at the present time is a million-buck, multi-armed robotic named da Vinci, utilized in just about four hundred,000 surgeries nationwide ultimate year — triple the number just 4 years prior.