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The intended use of the device is to identify the patient specific accessories and to aid in the positioning of a patient during radiation therapy. The intended use of the device is to identify the patient specific accessories and to guide the positioning of patients and accessories for radiotherapy procedures. The system uses optical tracking of optical markers and RFID tracking of RFID tags as the method of identifying the patient and the accessories. The system consists of an optical tracking system with optical markers and RFID tracking system including RFID tags, a RFID identification system, a computer workstation, an interlock unit, a handheld controller, Wireless LAN access points, a video camera and calibration tools.

ldentify displays position and identification information during radio therapy treatment to the user. The system uses optical tracking of retro reflective disk markers to find the position of the patient and radiotherapy equipment and radio frequency identification (RFID) to obtain identification information from the patient and radiotherapy equipment. The system consists of a PC, a graphical user interface, a NDI Polaris 3D tracking system, a video camera and a RFID reader.