Method for conducting a test measurement in a CT apparatus,...

Details Method for conducting a test measurement in a CT apparatus,... Method for conducting a test measurement in a CT apparatus,...

2006-03-07

2006-03-07

Bruce, David V. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S207000

Reexamination Certificate

active

07010082

ABSTRACT:
In an x-ray computed tomography apparatus and a method for conducting test measurements therein, a combined phantom is employed that is formed of several individual phantoms, each forming a segment of the combined phantom, and the combined phantom is affixed to a platform of the computed tomography apparatus that is movable with respect to an x-ray data acquisition unit of the computed tomography apparatus. The platform is moved into a first position and a first x-ray absorption distribution of a first segment of the combined phantom is obtained, and the platform is moved into a second position and a second x-ray absorption distribution is obtained of a second segment of the phantom. Movement of the platform and operation of the data acquisition unit for obtaining the first and second x-ray distributions are automatically controlled by a computer program.

REFERENCES:
patent: 4352020 (1982-09-01), Horiba et al.
patent: 6470065 (2002-10-01), Lauther
patent: 6490336 (2002-12-01), Suess et al.
patent: 6508586 (2003-01-01), Oota

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