X-ray or gamma ray systems or devices – Specific application – Absorption
Patent
1996-05-31
1998-05-19
Porta, David P.
X-ray or gamma ray systems or devices
Specific application
Absorption
378 69, A61N 510
Patent
active
057546231
ABSTRACT:
There is provided a radiotherapy system comprising: a radiotherapy planning CT system integratedly having an X-ray scanner member for acquiring image data of a diagnostic portion of a subject by irradiating X-rays to the subject, said diagnostic portion including a lesion, a radiotherapy planner member for displaying the image data and producing radiotherapy plan data including a position data of an isocenter and a contour data of a radiation field limiting radiations from a virtual radiation source irradiated into the diagnostic portion, and a positioning member for automatically pointing a marking position on the subject based on the position data of the isocenter; and a radiotherapy apparatus for carrying out radiotherapy on the basis of the therapy plan data.
REFERENCES:
patent: 5206893 (1993-04-01), Hara
patent: 5553112 (1996-09-01), Hardy et al.
patent: 5622187 (1997-04-01), Carol
Bruce David Vernon
Kabushiki Kaisha Toshiba
Porta David P.
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