Radiographic apparatus

Details Radiographic apparatus Radiographic apparatus

2011-05-10

2011-05-10

Glick, Edward J (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Tomography

C378S005000, C378S008000

Reexamination Certificate

active

07940887

ABSTRACT:
An X-ray tube and a flat panel X-ray detector (FPD) are constructed movable parallel to each other in the same direction along a body axis which is a longitudinal direction of a patient. The X-ray tube intermittently emits radiation and the FPD detects radiation transmitted through the patient irradiated intermittently whenever the X-ray tube and FPD move every pitch. X-ray images O1, O2, . . . , OI, . . . , and OMare decomposed for every pitch noted above. The decomposed images are composed for each projection angle to obtain projection images P1, P2and so on. Therefore, a sectional image with a long field of view in the longitudinal direction can be obtained by carrying out a reconstruction process based on the composed projection images.

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