Those in the surgical operating room
Three help is a practicing assistant physician he can not complete all the surgery, it depends on their title promotion and the degree of technical improvement, four help is the equipment nurses.
two help is a practicing physician he can work with the director or help to complete some medium surgery,
Generally help the attending physician to act as he can independently complete some minor surgery such as appendectomy, hernia repair, etc., will be promoted to director in the future after the surgeon,
