Mobile PET/CT: GE DiscoveryMobile PET/CT: GE Discovery


The GE Discovery ST Scanner consists of:

  • One integrated gantry containing slip-ring design CT X-Ray tube and multi-slice detector, 24 PET detector rings of bismuth germinate (BGO) crystals, high-speed acquisition electronics and PET image reconstruction system with high performance array processor system and reconstruction algorithms
  • Volume Viewer Plus for fast and flexible PET/CT review including PET/CT fusion
  • One patient imaging table with extended dual patient scan range
  • One integrated Operator Console

 

System Components

CT Gantry

  • Aperture: 70 cm
  • Focus to Detector: 95 cm
  • Focus to Isocenter: 54 cm
  • Maximum SFOV: 50 cm
  • Maximum CTAC FOV: 70 cm
  • Rotational Speeds: 360º in 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 2.0, 3.0 and 4.0 sec
  • Integrated start scan button with countdown to X-ray on
  • Scan plane towards front of gantry for improved position access

 

CT X-Ray Tube

Performix ADV Metal-Ceramic Tube Unit. Design optimized for exams requiring a large number of scans without tube cooling

  • Heat Storage Capacity: 6.3 MHU
  • Heat Dissipation:
    • Anode (max) 840KHU/min
    • Casing (cont.) 300KHU/min
    • Tube Unit: 6.9 kW continuous for 10 minutes

 

CT High Voltage Generation

  • High-frequency on-board generator. Continuous operation during scan
  • 2 kW output power
  • kVp: 80, 100, 120, 140 kVp
  • mA: 10 to 440 mA, 5 mA increments

 

PET Acquisition Subsystem

  • Detector ring diameter: 88.6 cm
  • Detector layout: 10,080 individual crystals a24 rings or 420 crystals each
  • Crystal type/size: BGO 6.3 mm trans axial, 6.3 mm axial, 30 mm radial
  • 8 mm tungsten interplane septa, 5.4 cm long to minimize random and scattered coincidences
  • Automatic retraction of interplane septa to switch from 2D too 3D mode or back in <30 seconds
  • Patient port size: 70 cm diameter
  • Low acoustic noise (approx. 65 dBA) at gantry center

Wake Forest, NC 27587
(919) 747-9622

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