The GE Discovery ST 8 Slice PET/CT provides you with with the following Specification:
GE Discovery ST Detector
• # of rings: 24
• Ring diameter: 88.6 cm
• # of crystals: 10080
• Crystal composition: BGO
• Crystal size: 6.2 x 6.2 x 30 mm
• Axial fov: 157 mm
• Number of crystals per pmt (# of rings): 36/quad-anode PMT (9/anode)
GE Discovery ST Gantry
• Dimensions: Height x Width x Depth: 193 x 230 x 109 cm (75.2 x 89.7 x 42.5 in)
• Weight: 3,800 kg (8,377 lb)
• Patient port diameter: 70 cm
• Patient Positioning: Triple laser
• Transmission source: CT attenuation correction
• Other characteristics: Numeric display of count rate and elapsed time, dual operator controls on each side of gantry
Patient Table
• Vertical motion,cm (PATIENT TABLE) 55-102.5
• Horizontal motion, cm (PATIENT TABLE) 160
• Head support (PATIENT TABLE) Fixed offset headholder
• Arm support (PATIENT TABLE) Yes
• Max.patient weight capacity, kg (lb) (PATIENT TABLE) 180 (400) with 0.25 mm positional accuracy
Environment
• Operating temp range: 15-29 Celsius (60-84 Fahrenheit)
• Relative humidity: 30-60 %
• Cooling: 31,000 btu/hr (minimum); no water chilling required
• DICOM 3.0 Compatible: Yes
Available Software
• CardIQ Fusion for CTA and PET Perfusion display and analysis
• 5-Beat Cardiac
• CT/PET fusion
• Advantage 4-D for CT gating
• SimMD for multimodality simulation
• Lung VCAR
• Cortex ID for neurology studies
• Perfusion
Optional Attachments
• Additional analysis and review workstations
• Enhanced recon capability
• Oncology applications and accessories
• Respiratory gating
• Image film devices
• Cardiac applications
Image Reconstruction
• Coincidence window, nsec: 11.7
• Reconstruction time, seconds: 10 (2-D FBP), 12 (2-D OSEM IR), 240 (3-D RP) 90 (3-D FORE IR)
• Power Needed: 380-480 VAC nominal, 3-phase, 50/60 Hz
Computer System
• Acquisition CPU: Integrated PET/CT computer built on Xtream FXTM technology, 64-bit microprocessor;
single/dual R12000A processor with Direct3D option; dual SMP 2.66.GHz Intel Xeon processors with 512KB
L2 cache
• Storage media/size: More than 1 GB storagePrimary PET-CT storage 9.4 GB DVD-RAM 2X CD-ROM drive
integrated with CT MOD Drive
• ARRAY PROCESSOR: 64-bit microprocessor; single/dual R12000A processor with Direct3D option; dual SMP
2.66.GHz Intel Xeon processors with 512KB L2 cache
• Image processor: Nvidia Quadro4 980XGL AGP 8X graphics with 128 MB memory, SGI VPRO V12-DCD
graphics engine with 128 MB SDRAM
• Storage media/size: More than 1 GB storageMain system (host) disk drive: 36 GB, 3.5 in form factor; high
performance drive: 73 GB, 3.5 in form factor each
• Display: 2 color 19 inch LCD, 1280 x 1024
• Printing options: DICOM color printer
• Acquisition possibilities: 2-D and 3-D, static, dynamic, whole body, gated, transmission, 4-D respiratory
gating
Installation Requirements
• Minimum room size – Exam Room 4.42 x 7.62 m (14.5 x 25 ft)
• Minimum room size – Control Room: 4.42 x 2.46 m (14.5 x 8.1 ft)
GE Discovery ST Detector
• System sensitivity: 2 cps/kBq (2-D), 9.3 cps/kBq (3-D)
• Scatter fraction: 19% (2-D), 44% (3-D)
• Maximum count rate, cps @ 50% dead time: 84 kcps @ 49 kBq/cc (2-D), 63 kcps @ 12 kBq/mL (3-D);
NECR
Transaxial fwhm
• 1 cm rad, statny: 6.2(Transaxial fwhm)
• 10 cm rad, statny: 6.8 (2-D), 6.7 (3-D) (Detector Performance)
Axial fwhm
• 1 cm radius: 4.8 (2-D), 5.2 (3-D) (Axial fwhm)
• 10 cm radius: 6.3 (2-D), 5.8 (3-D) (Detector Performance)
Other – GE Discovery ST
• Energy resolution: 17%
• FDA Clearance: Yes
• CE MARK (MDD): Yes