Radiotherapy apparatus controller and irradiation method

Details Radiotherapy apparatus controller and irradiation method Radiotherapy apparatus controller and irradiation method

2011-08-23

2011-08-23

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Absorption

C378S205000

Reexamination Certificate

active

08005190

ABSTRACT:
A radiotherapy apparatus controller includes: a portal image taking unit; a gantry position collector; a marker position calculator; and a marker position table generator. The portal image taking unit takes a first transmission image, in which a marker member positioned at a predetermined position is shown, by using therapeutic radiation and an imager. The gantry position collector collects a first gantry position at which a gantry is positioned when the first transmission image is taken from a sensor measuring a position at which the gantry is positioned, the gantry supporting the imager and a therapeutic radiation radiating device which radiates the therapeutic radiation. The marker position calculator calculates a first marker position at which the marker member is shown in the first transmission image. The marker position table generator updates a marker position table, which correlates a plurality of gantry positions with a plurality of marker positions, so that the first gantry position corresponds to the first marker position.

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Japanese Office Action issued Jan. 7, 2011 in corresponding Japanese Patent Application No. 2009-028934 w/partial translation.
Japanese Office Action issued Jun. 9, 2011 in corresponding Japanese Patent Application No. 2009-028934 w/partial translation.

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