X-ray or gamma ray systems or devices – Specific application – Absorption
Patent
1996-05-31
1998-03-31
Porta, David P.
X-ray or gamma ray systems or devices
Specific application
Absorption
36441326, A61N 501
Patent
active
057346925
ABSTRACT:
There is provided a radiotherapy system comprising: 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: 3720817 (1973-03-01), Dinwiddle
patent: 5329567 (1994-07-01), Ikebe
patent: 5418827 (1995-05-01), Deasy et al.
patent: 5528650 (1996-06-01), Swerdloff et al.
Bruce David Vernon
Kabushiki Kaisha Toshiba
Porta David P.
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