Monday 19 December 2011

CONT...REVOLUTION OF CT SCANNERS...


SPIRAL/HELICAL CT SCANNER

      This is the latest generation of CT.

        It allows for continuous rotation of the tube for spiral CT


      Spiral CT is made possible by slip-ring technology. 

      The tube can continuously rotate 360 degrees, where it must stop     
        after each rotation with conventional CT
    The detector array may contain as many as 14,600 detectors that are 1.25mm wide.
     
      This allows multiple slice to be made with one scan and more tissue volume to be imaged.

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