Sorry they make the robots, interesting to note they make about
$1500 for each surgery for parts and maintenance. PC is their biggest user, another tid bit is they have done heart valves without breaking the breast bones, which allows the patient to go home in 2 days pain free with no 6 month recovery, but the heart surgeons will not touch the davinci. They like to to it old school, some say it takes too long, some say the inflation will collapse they lungs but it has been done
Its a fairly interesting story, a lot of the development was by NASA and Defense, but they scrapped it and some clever silicon valley guys hired all the original scientists to finally put the thing together.