GE Discovery ST 8 PET/CT

The GE Discovery ST 8 Slice PET/CT scanner has high resolution image quality,
as well as 2D and 3D imaging capability.
This scanner features reduced dose requirements, improved lesion detectability,
and faster scan times resulting in increased throughput.
The GE Discovery ST 8 is ideal for many clinical applications,
specifically Coronary Artery Disease (CAD).

Benefits:
8-slice acquisition CT.
Excellent Image Quality.
Increased Throughput.
Capable of 2D and 3D imaging.
Spacious 70cm patient bore.
Shortest Patient Bore Length at 100cm.
160cm of Patient Coverage.
Optional Exact RTP flat table top insert.
Evergreen Continuum on Detectors.
PET DICOM.
CT DICOM.
Small footprint.
Flexible siting capability.
No water, plumbing, chillers, or electronics cabinet required

Features:
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)

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 head holder
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

Software Level:
Reformat
Thin Twin Helical
Smart Prep
Recon Plus
Smart Speed
Patient-8-Slice
Power 440
Auto mA
VariViewer
PET Base
PET 2D
PET Diagnostic CT
Connect Pro

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)

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