X-ray or gamma ray systems or devices – Specific application – Absorption
Reexamination Certificate
2006-08-30
2008-10-21
Thomas, Courtney (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Absorption
C378S020000, C378S147000
Reexamination Certificate
active
07440545
ABSTRACT:
A positioning system for radiation therapy comprises a patient positioner drive unit for moving a patient positioner supporting a patient, a snout drive unit for rotating a snout including a collimator set therein, and a processing unit for controlling the snout drive unit and the patient positioner drive unit such that the positioning of the patient is performed by moving the patient positioner supporting the patient after the positioning of the collimator has been performed by rotating the snout including the collimator set therein. Exposure of the patient to X-rays irradiated for the positioning can be reduced.
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Hosaka Masahiro
Kidani Takao
Nagamine Yoshihiko
Hitachi , Ltd.
Mattingly, Stanger Malur & Brundidge PC
Thomas Courtney
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