Radiation therapy machine calibration apparatus providing...

Details Radiation therapy machine calibration apparatus providing... Radiation therapy machine calibration apparatus providing...

2007-08-07

2007-08-07

Nguyen, Kiet T. (Department: 2881)

X-ray or gamma ray systems or devices

Accessory

Testing or calibration

C378S065000, C378S175000

Reexamination Certificate

active

11081159

ABSTRACT:
A phantom for rotational radiation therapy machines allows beam fluence and energy to be measured at a variety of beam angles without intervening adjustment of the phantom. The phantom in the preferred embodiment provides two half cylinders directed along the axis of rotation of the machine abutting about a common center.

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patent: 6974254 (2005-12-01), Paliwal et al.
patent: WO 00/29871 (2000-05-01), None
Paliwal, Bhudatt, et al., A spiral phantom for IMRT and tomotherapy treatment delivery verification, Med. Phys. 27 (11) Nov. 2000, 2000 Am. Assoc. Phys. Med.

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