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Radiological imaging apparatus

  • US 6,920,196 B2
  • Filed: 09/25/2002
  • Issued: 07/19/2005
  • Est. Priority Date: 12/26/2001
  • Status: Expired due to Fees
First Claim
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1. A radiological imaging apparatus comprising:

  • a bed on which a subject is laid;

    an image pickup apparatus;

    the image pickup apparatus comprising;

    an X-ray source which is used to irradiate the subject with X-rays;

    an X-ray source moving apparatus for moving the X-ray source in a circumferential direction of a hole portion into which the bed is inserted;

    a plurality of first radiation detectors, disposed around the hole portion, for not substantially detecting γ

    -rays from the subject but detecting X-rays, and outputting a first detecting signal which is a detecting signal of X-rays; and

    a second radiation detector, disposed around the hole portion, for detecting γ

    -rays and X-rays from the subject and outputting both the first detecting signal and a second detecting signal which is a detecting signal of γ

    -rays;

    a first signal processing apparatus for processing the first detecting signal outputted from the first radiation detector; and

    a second signal processing apparatus for processing the second detecting signal outputted from the second radiation detector.

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