The medical equipment is so advanced, still need a doctor?

Just because of the advanced, so it is necessary to high technology specialized personnel to use and operation, medical equipment, sound, light, electricity, there are detection of treatment, such as CT, MRI, these are big enough to a table on the ten million, but there is a lot of software and even the machine with the scrapping of a lot of doctors did not give to use. For example, the most accurate and advanced measurement of invasive heart row is the floating catheter method, you go to the hospital near you to ask how many doctors dare to use this equipment to do, that is not enough technology.