X-ray CT apparatus

Details X-ray CT apparatus X-ray CT apparatus

2006-09-26

2006-09-26

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Beam control

Collimator

C378S151000, C378S019000

Reexamination Certificate

active

07113569

ABSTRACT:
An X-ray CT apparatus, as one example, includes at least one X-ray irradiation source configured to irradiate an X-ray to a volume of interest, at least one X-ray detector including a plurality of detection element segments configured to detect the X-ray penetrated through the volume of interest, at least one collimator configured to create an opening that is movable in at least one of a slice direction and a channel direction, at least one image processing part configured to extract a portion of the volume data, a controller configured to set the opening of the at least one collimator to a second opening size according to a cylinder-like second scanning range that is set to limit the volume of interest and configured to perform a second scan, and at least one reconstruction part configured to reconstruct image data based on data collected by the second scan.

REFERENCES:
patent: 5027380 (1991-06-01), Nishiki
patent: 5550886 (1996-08-01), Dobbs et al.
patent: 6341152 (2002-01-01), Sugihara
patent: 6445764 (2002-09-01), Gohno et al.
patent: 6778636 (2004-08-01), Andrews
patent: 10-248835 (1998-09-01), None

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