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X-RAY CT APPARATUS

  • US 20090028289A1
  • Filed: 07/22/2008
  • Published: 01/29/2009
  • Est. Priority Date: 07/24/2007
  • Status: Active Grant
First Claim
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1. An X-ray CT apparatus comprising:

  • an electrocardiographic information collecting unit that collects electrocardiographic information;

    a data collecting unit that collects projection data obtained by irradiating a subject with X-rays;

    an image reconstructing unit that reconstructs an image based on the electrocardiographic information collected by the electrocardiographic information collecting unit and the projection data collected by the data collecting unit;

    a concentration calculating unit that determines a concentration of a contrast medium with time within a region of interest; and

    a reconstruction condition changing unit that changes reconstruction conditions related to reconstruction of the image based on the concentration determined by the concentration calculating unit.

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