FUE may be done manually or with drill type devices such as the NEOGRAFT or SMARTGRAFT. The ARTAS ROBOT, however, uses a more advanced technology. It is probably the most sophisticated robotic medical machine because, unlike other medical robots that must be controlled by the surgeon, it is able to make certain decisions on its own. For example, when extracting, it adjusts itself in a microsecond to the changing angle of the hair as it exits from the scalp