X-ray image diagnostic device, and x-ray image data...

Details X-ray image diagnostic device, and x-ray image data... X-ray image diagnostic device, and x-ray image data...

2005-09-13

2005-09-13

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

C250S252100

Reexamination Certificate

active

06944267

ABSTRACT:
An X-ray image diagnostic device of the invention has sensitivity-information-acquisition controlling means commanding synchronization between X-ray irradiation from the X-ray source and readout of X-ray plane detector for correcting sensitivity. When sensitivity information of the X-ray plane detector is calculated using the intensities of X-rays irradiated onto the X-ray plane detector and X-rays detected by the X-ray plane detector, readout of the X-ray plane detector is performed synchronously with X-ray irradiation, and sensitivity information corresponding to variation of the amount of X-ray radiation onto the X-ray plane detector during the reading time is determined using data of every readout channel. Therefore, sensitivity information enabling an accurate sensitivity correction can be obtained from a single output image. This sensitivity information is stored in sensitivity-information-storing means and used for correcting sensitivity of X-ray image data acquired in actual measurements.

REFERENCES:
patent: 6014420 (2000-01-01), Ooi
patent: 6862338 (2005-03-01), Kinno et al.
patent: 2004/0155209 (2004-08-01), Struye et al.
patent: 04-015048 (1992-01-01), None
patent: 08-117212 (1996-05-01), None
patent: 10-213667 (1998-08-01), None
patent: 2000-284058 (2000-10-01), None
patent: 2001-066368 (2001-03-01), None

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