the device allows a puncture instrument, pointing to a target area of a patient's body, such as a suspicious lesion in the breast. the system includes an imaging system (111, 112, 115), and a mobile device (12), which are needle relative to a common isocentre isocentriques.an initial calibration process can occur without the patient in order to ensure that the puncture instrument (120) is pointed at the isocentre. to this end, we use the device to drain so that its end does not move when he and / or change of position in the imaging system. we take the patient so that the area is located in the isocentre.we obtained the appropriate positioning, if the area of interest does not move when observed from two different positions with the imaging system.the invention provides real time plotting instrument and the choice of a puncture route penetration in the instrument without the need to realign the patient or to take a picture of the body or to make the calculations.
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