Accuray Incorporated designs, develops, and sells medical radiation systems for the treatment of tumors anywhere in the body. The company offers the CyberKnife system, an image-guided robotic radiosurgery system used for the treatment of solid tumors. The system tracks, detects, and corrects for tumor and patient movement in real-time during the procedure, enabling delivery of precise, high dose radiation typically 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.