JP2010193940A5 - - Google Patents

Claims (6)

X-ray CT that calculates a tube current amount to be supplied to the X-ray tube based on the set imaging conditions and target image quality, and performs X-ray imaging of the subject based on the calculated tube current amount and the imaging conditions In the device
Determination means for determining whether or not the tube current amount deviates from a predetermined allowable range;
Correction candidate presenting means for presenting correction candidates for the shooting conditions for achieving the target image quality when it is determined by the determining means to deviate from the allowable range;
An X-ray CT apparatus comprising: Or a selected one of the imaging condition from the one or more suggestions presented by prior SL correction candidate presenting means is set as the new image pickup condition, or whether to maintain the original shooting conditions, the selection means for selecting further comprises a
2. The X-ray CT apparatus according to claim 1, wherein the tube current amount supplied to the X-ray tube is calculated again based on the imaging condition selected by the selection means and the target image quality. An image quality index value display means for calculating and displaying a change curve of the image quality index value obtained based on the tube current amount and the imaging conditions;
Designating means for designating an arbitrary part on the change curve of the image quality index value displayed by the image quality index value display means,
The correction candidate presenting means includes
X-ray CT apparatus according to claim 1 or claim 2, characterized in that presenting suggestions of imaging conditions for improving the image quality index value at the specified site by the designation unit. The correction candidate presenting means, X-rays CT apparatus according to any one of claims 1 to 3, characterized in that presenting the value after correction of the image capturing conditions, the effect of modification. The correction candidate presenting means, said among the condition items of the imaging condition, according to any one of claims 1 to 4, characterized in that suggest corrective value of the condition item in the order of predetermined priority X-ray CT system. It further comprises a mode selection means for selecting contents important for photographing,
The correction candidate presenting means, among the image capturing conditions, to any one of claims 1 to 5, characterized in that suggest corrective value for the condition item corresponding to the selected mode by said mode selecting means The X-ray CT apparatus described.