The invention provides for a medical instrument (700, 800) comprising: a first display device (200), a second display device (754), a database (768), and a processor (746). Execution of instructions cause the processor to: receive (900) a medical image (102, 102′, 102″, 102′″)； display (902) the medical image in a physician graphical user (202, 1000) interface using the first display device and on a technician graphical user interface (100, 1000) using the second display device. Execution of the instructions causes the processor to repeatedly: receive (906) planning data (764) from the physician graphical user interface, display (908) the planning data on the technician graphical user interface； receive (910) treatment plan data (766) from the technician graphical user interface； store (912) the treatment plan data in the database； and generate (914) control data (770, 772) for controlling a treatment system using the treatment plan data in the database.
