Computed tomography apparatus with a detector diaphragm...

Details Computed tomography apparatus with a detector diaphragm... Computed tomography apparatus with a detector diaphragm...

2006-08-29

2006-08-29

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S004000, C378S098800

Reexamination Certificate

active

07099430

ABSTRACT:
A computed tomography apparatus has a gantry with at least one x-ray tube and at least one detector. The x-ray tube and the detector are executed such that they can rotate around a system axis (z-axis), and the detector exhibits a width B in the system axis direction and a longitudinal length L in the circumferential direction of the gantry. At least one movable detector diaphragm is arranged that is moved in front of the detector as needed and thus partially covers the detector. A movement device enables movement of the detector diaphragm over the detector in the longitudinal direction of the detector.

REFERENCES:
patent: 2696634 (1954-12-01), Kizaur
patent: 4490835 (1984-12-01), Wons
patent: 5233193 (1993-08-01), Arakawa
patent: 6173033 (2001-01-01), Klingenbeck-Regn et al.
patent: 6339636 (2002-01-01), Ogawa
patent: 102 11 948 (2003-10-01), None

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