Scan Parameters
• 0.5, 0.6, 0.7, 0.8, 0.9, 1, 2, 3, 4 second scans
• 80, 100, 120, 140 kVp
• 10-440mA
• 0.625, 1.25, 2.5, 3.75, 5, 7.5, 10mm slice thickness
• 1 second minimum interscan delay
• 25, 50cm scan fields of view
• 16 x 912 detection channels
• 120 second max scan time
• 170 cm max scan volume
Image Reconstruction
• 0.5 second reconstruction time per slice
• 512 x 512 reconstruction matrix
Data Storage (standard)
• 73 GB hard disk
• 20,000 online images
• 2.3 GB MOD archival storage
• 2000 1 second scan raw data files
Display
• Two 20" monitors
• 1280 x 1024 matrices, pixels
• 16 slices displayed at once
Table/Gantry
• 51-107/170cm vertical height
• 135cm longitudinal scannable range
• Supports 400lb patients accurately
• 70cm gantry aperture
• +/- 30 gantry tilt
Generator/Tube
• 53.2kW maximum power
• 6.3MHU anode heat capacity
• 840KHU/min max anode heat dissipation rate
Options
• 3D package
• CT angio
• CT simulation
Scan Protocols
• 300 available user selected protocols to build
kV, mA and Time Accuracy
• Kilovolts
• KV selections: 80, 100, 120, 140kV
• Basic kVp accuracy: +3% +/- (3% + 2kV)
• Excludes first 10 msec of exposure
• kVp during first 10ms:
basic accuracy (see above) +/- 5kV
Milliamperes
• mA selections
• 10 to 440mA, by 10mA increments
• Patient scanning subject to scan limitations
or 53.2 max mA accuracy
• Patient scanning selections of 10-440mA
• Calibration scan selections of 10-30mA +/- 4mA
Exposure Time
• Normal axial scan selections:
0.5, 0.6, 0.7, 0.8, 0.9, 1, 2, 3 or 4 sec
• Cine: 0.5, 0.6, 0.7, 0.8, 0.9, 1, 2, 3 or 4 sec
• Scout: scan range 20-1600mm at 100mm/sec
• Exposure time: 0.20-16.0 sec
• Helical (continuous scans) up to 120 sec for a
single continuous exposure
• Accuracy: 1.8-60.0 sec exposures: +/- 5% + 10ms
Measuring Tool Variance
• kV: the above stated accuracies are subject to
additional variation due to calibration and
measurement instruments
• kV: +/- 5% mA: +/- 5%
• Exposure time: +/- 3%
Site Requirements
• Minimum site size:
15.5 ft wide x 19.5 ft deep x 9 ft high
• Recommended suite size:
19.5 ft wide x 24.5 ft deep x 9 ft high
