Accuray Incorporated designs, develops, and sells medical radiation systems for the treatment of tumors in the body. It offers CyberKnife system, an image-guided robotic radiosurgery system used to deliver radiosurgery for the treatment of solid tumors. This system tracks, detects, and corrects for tumor and patient movement in real-time during the procedure enabling the delivery of radiation with sub-millimeter accuracy. The company also offers the TomoTherapy system, which consists of an integrated and versatile radiation therapy system used for the treatment of a range of cancer types. Accuray Incorporated markets its product through a direct sales force and distributors worldwide. The company was incorporated in 1990 and is headquartered in Sunnyvale, California.