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X-ray CT apparatus and X-ray tube

  • US 20050053189A1
  • Filed: 08/23/2004
  • Published: 03/10/2005
  • Est. Priority Date: 09/05/2003
  • Status: Active Grant
First Claim
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1. An X-ray CT apparatus comprising:

  • an X-ray tube which generates X-rays from multiple focal points of different 3-dimensional positions sequentially on a time-division basis;

    a plurality of filters which implement the filtering individually for the X-rays generated individually from the focal points;

    a collimator which equalizes the irradiation range of the X-rays generated individually from the focal points;

    a collection device which collects projection data of multiple views of a subject of imaging for the X-rays generated individually from the focal points; and

    a reconstruction device which reconstructs an image based on the projection data.

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