The GE Discovery LS 4 Slice PET/CT provides you with with the following Specification:
Discovery LS Gantry
• Dimensions: Height x Width x Depth: 208.3 x 235 x 205 cm (82 x 92.5 x 81 in)
• Weight: 4,581 kg (10,100 lb)
• Patient port diameter: 60 cm (PET), 70 cm (CT)
• Patient Positioning: Triple laser
• Transmission source: Attenuation correction using CT and/or Ge-68 pin sources
Detector
• Ring diameter: 93 cm
• # of crystals: 12096
• Crystal composition: BGO
• Crystal size: 4 x 8 x 30 mm
• Axial fov: 152 mm
• Number of crystals per pmt (# of rings): 18/dual-anode PMT (9/anode)
• System sensitivity: 200,000 (2-D), 1,150,000 (3-D) cps/µCi/cc
• Scatter fraction: 10% (2-D), 35% (3-D)
• Maximum count rate, cps @ 50% dead time: 425,000 cps @ 160 kBq/mL (2-D), 410,000 cps @ 26 kBq/ml
(3-D); NECR
Environment
• Operating temp range: 18.3-24 Celsius (65-75 Fahrenheit)
• Relative humidity: 30-60 %
• Cooling: 31,000 btu/hr (minimum); no water chilling required
Other characteristics
• Numeric display of count rate and elapsed time, dual operator controls on each side of gantry, footswitch
for scan start, wide array of patient positioning accessories
Optional Attachments:
• Additional analysis workstations, AP nodes, and raw data memory
• 4.6 GB MOD
• Laser printer
• Networking
• ECG synchronizer
• ECG strip-chart reader
• Color printer
• Flat tabletop for RT
• Gammex Laser lights
Discovery LS Patient Table
• Vertical motion: 56-102 cm
• Horizontal motion: 160 cm (200 cm optional)
• Head support: Fixed offset headholder
• Arm support: Yes
• Max.patient weight capacity: 180 kg (400 lb) with 0.25 mm positional accuracy
Computer System
• Acquisition CPU: Sun UltraSPARC dual, 450 MHz CPU, 512 MB RAM (PET), SGI Octane, 1-2 MIPS CPU with 2
MB cache, 64-bit microprocessor, single/dual r12000A processor with direct 3-D option (CT)
• Storage media/size: More than 1 GB storage38 GB HD (PET), 1.5 GB HD (CT)
• Array Processor: PowerPC 750 nodes, 4 G3 nodes standard
• Image processor: SGI VPRO V12-DCD Graphics Engine with 128 MB SDRAM Storage media/size: More than
1 GB storage36 GB root/database, 12 GB DAT; 4.6 GB MOD
• Display: 21-inch tilt/swivel high-resolution color
• Printing options: DICOM color printer
• Acquisition possibilities: 2-D and 3-D, static, dynamic, whole body, gated, transmission, 4-D respiratory
gating
Installation Requirements for the Discovery LS
• Minimum room size: 3.9 x 7.1 m (13 x 23.5 ft)
• DICOM 3.0 Compatible: YesPET IOD storage as SCP/SCU, CT IOD storage as SCP, MRI IOD storage as SCP,
DICOM print as SCU, DICOM secondary capture as SCP/SCU
• Power Needed: 380-480 VAC nominal, 3-phase, 50/60 Hz
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
Transaxial fwhm
• 1 cm rad, statny: 4.8 (Transaxial fwhm)
• 10 cm rad, statny: 5.4 (6.2 @ 20 cm) (Detector Performance)
Axial fwhm
• 1 cm radius: 4 (Axial fwhm)
• 10 cm radius: 5.4 (Detector Performance)
Other – GE Discovery LS
• Energy resolution: 20%
• FDA Clearance: Yes
• CE MARK (MDD): Yes