The method provides for the following steps: - acquiring data indicative of an ultrasound machine comprising: a base unit, a probe associated with the base unit, and a needle guide associated with the probe for guiding needles in a volume subjected to ultrasound imaging by means of said probe and said base unit； - from a database, retrieving information associated with said ultrasound machine； - displaying, on a monitor, an ultrasound image acquired by means of the base unit； - superimposing, to the ultrasound image on the monitor, a set of guide traces for guiding the insertion of needles in the volume subjected to ultrasound imaging, said guide traces being coordinated with the acquired ultrasound images by means of the information retrieved from the database.
