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X-ray CT imaging apparatus with varied energy level detection capability

  • US 5,570,403 A
  • Filed: 04/19/1994
  • Issued: 10/29/1996
  • Est. Priority Date: 04/19/1993
  • Status: Expired due to Term
First Claim
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1. An X-ray computerized tomographic (CT) imaging apparatus comprising:

  • an X-ray tube for irradiating X-rays to a biological body under medical examination;

    a plurality of detection systems for detecting an X-ray energy transmitted through the biological body, the plural detection systems having different energy characteristics respectively;

    data acquisition means for acquiring respective transmission X-ray energy data of the biological body which are detected by the plural detection systems;

    reconstruction means for reconstructing a tomographic image for the biological body in accordance with data from the data acquisition means; and

    switch means for switching between a dual-energy scanning mode and a multi-slice scanning mode.

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