A system for localizing one or more medical instruments includes a guidance grid (162) disposed in an operative relationship with a Workstation subject for receiving the one or more medical instruments (102) when deployed. An ultrasound imaging system (110) is configured to image a volume where the one or more medical instruments are deployed. A program module (136) is configured to register positions of the one or more medical instruments, using tracked position information and grid information, to the volume such that the positions of the one or more medical instruments can be visually monitored during a procedure.
