Patent ID: 6580777
Filing Date: 2003-06-17
Classification: A61B

Abstract:
An x-ray CT apparatus comprising:a scanner on which a scanning system is mounted, the scanning system having an x-ray source for generating radial x-rays to be irradiated to an object and image acquiring means provided so as to face said x-ray source and acquiring projection images of said object; rotating means for rotating said scanner around said object; tilting means for changing a tilt angle formed between a surface of rotation of said scanner and a body axis of said object; means for generating a CT image of said object from said projections images acquired from a plurality of directions while simultaneously rotating said scanner and changing said tilt angle; and display means for displaying said CT image; wherein said tilting means synchronizes a period of rotation of (360Â°Ã—N) (where, N denotes a natural number) of said scanner by said rotating means with a period from a start until an end of the change of said tilt angle by said tilting means.