1. A guidance system for inserting a medical component into a body of a patient in connection with imaging technology, the system comprising: an imaging device including a probe, the imaging device producing an image of an internal body portion target; at least one sensor included with the probe that senses a detectable characteristic related to the medical component; a processor that uses data relating to the detectable characteristic sensed by the at least one sensor to determine a position of the medical component in at least two spatial dimensions; and a display that depicts the position of the medical component with respect to the target together with the image of the target.