RADIOTHERAPY APPARATUS

• Main Authors: KAWASAKI KYOICHI, SADAMORI HIROYUKI, YAGIHASHI TAKAHITO, NAKAMURA MAKOTO, HOSODA YUJI
• Format: Patent
• Language: English
• Published: 15.03.2007
• Subjects: ELECTROTHERAPY; HUMAN NECESSITIES; HYGIENE; MAGNETOTHERAPY; MEDICAL OR VETERINARY SCIENCE; RADIATION THERAPY; ULTRASOUND THERAPY

PROBLEM TO BE SOLVED: To provide a radiotherapy apparatus capable of highly precisely positioning radiation for treatment at an affected part. SOLUTION: The radiotherapy apparatus comprises: a treatment table 13 for placing a patient; an irradiation nozzle 12 for irradiating the affected part 24 of the patient 14 with radiation 15 for treatment; a rotary gantry 11 for rotatably supporting the irradiation nozzle 12 in the circumference of the treatment table; image acquiring devices 19 for imaging the affected part of the patient and acquiring treatment images for specifying the position of the affected part; a positioning controller for controlling the position and posture of at least the irradiation nozzle or the treatment table in order to allow the position of the radiation for treatment to meet the affected part which is specified based on the treatment images; and a rotary mechanism 16 for supporting the image acquiring devices so as to be independently rotatable in the circumference of the treatment table with respect to the rotary gantry 11. Thus, the plurality of treatment images for specifying the position of the affected part are imaged by rotating the rotary mechanism 16 and the image acquiring devices without rotating a large rotary gantry 11. COPYRIGHT: (C)2007,JPO&INPIT