g
Product Data Sheet – rev 4.2
July 4th 2003
Page 9
LightSpeed
With Xtream
CT Scanner System
GE Medical Systems-America
Milwaukee, USA - Fax: 1 414 544 3384
GE Medical Systems-Asia:
Tokyo, Japan - Fax: 81 425 85 5490
Hong Kong - Fax: 852 2559 3588
GE Medical Systems-Europe
Orientation: AP, RLAT, PA, LLAT (preset);
or any angle from 0° - 359° (manually
selected).
Exam Rx:
Noise:
The Exam Rx desktop environment provides
the clinical tools necessary for comfortable,
efficient control of patient studies.
On either an AAPM water phantom or GE
Quality Assurance phantom:
Axial scan prescription lines indicate scan
location to nearest 1 mm table position.
0.32% +/- 0.03% at 29.3 mGy (2.93 Rad)
These tools include patient scheduling and
data entry, exam protocol selection, protocol
viewing and editing, scan data acquisition,
image reconstruction, image display and
routine analysis, AutoFilm or manual filming,
AutoStore and AutoTransfer.
Scouts longer than 1,000 mm are auto
minified to fit the display.
CTDI:
On CTDI Head and Body Dose Reference
Phantoms:
User Interface
CTDI expressed in mGy/100 mAs:
The Lightspeed
16
Operator Console utilizes a
computer workstation with the following user
interface features:
ImageWorks:
Head 16.8 mGy/100 mAs center
ImageWorks is a desktop environment
designed to take advantage of the
Lightspeed
16
CT Scanner System computer
and image processor.
• Two 20-inch monitors
17.0 mGy/100 mAs surface
Body 5.50 mGy/100 mAs center
10.0 mGy/100 mAs surface
• Scan/recon monitor for scan and recon
control with no image display
• Image monitor for image display,
analysis, processing, and management
Standard features include archive, network
and manual film control, as well as some
advanced image processing such as multi-
planar reformatting (MPR), multi-projection
volume rendering (MPVR), and MR image
display. It also has optional add-on packages
for Volume Viewer*, CT Perfusion2* and
DentaScan*.
CTDI
100
expressed in mGy/100 mAs:
• Each monitor provides a 1280 x 1024
high resolution, flicker-free display
Head 18.7 mGy/100 mAs center
17.9 mGy/100 mAs surface
Body 5.4 mGy/100 mAs center
11.2 mGy/100 mAs surface
• Optional 18” LCD Monitors.
• Scan control keyboard assembly with
intercom speaker, microphone and volume
controls
CTDI
vol
expressed in mGy/100 mAs:
• Three button mouse with mouse pad
The ImageWorks desktop also provides a
gateway for DICOM 3.0 image transactions,
either through a local area network, or via
DICOM-formatted MOD media.
Head 18.4 mGy/100 mAs
Body 9.3 mGy/100 mAs
• BrightBox (trackball assembly)
• Two wide work surfaces
Scout Scans
All these devices are free-standing and can be
easily moved to accommodate a large variety
of working conditions and individual operator
preferences.
Learning Solutions:
ScoutView™ scans provide excellent
detail for anatomical localization in
conjunction with scan prescription.
The LightSpeed
16
provides an on-screen, on-
line operator manual via a multi-media CD-
ROM player integrated into the front of the
operator’s console. Learning Solutions is also
viewable on a stand-alone PC providing
flexibility and productivity for on-demand
learning of system operation.
Split table top allows unrestricted patient
viewing while still supporting 2 monitors. Each
work surface can be adjusted at installation to
help accommodate a variety of siting
requirements.
Scan locations may be prescribed at the
operator console either graphically (via
mouse), or explicitly (keyboard entry) from
a Scout scan.
Prescription of scans with multiple gantry
angles are also available on a single
Scout.
Desktop Overview
Exam Rx
The user interface utilizes the paradigm of
managed work environments for a more
intuitive clinical workflow.
Scout Scan Parameters
Aperture: 1.25 mm effective aperture
Virtually all clinical operations are managed
through three “virtual desktops” or applications
managers: Exam Rx, ImageWorks and
Learning Solutions. Operators can effortlessly
move back and forth between these
environments simply by clicking on an icon.
Xtream
TM
technology enhances multi-tasking
architecture and maintains simultaneously all
processes so no work is lost or disrupted as
desktops are switched.
Patient Scheduling
Table speed: 100 mm/sec.
Patient demographics and exam protocols can
be pre-programmed in advance of patient
arrival by selecting Schedule Patient from the
scan/recon monitor. This productivity
enhancement allows entry of all or some of a
patient’s demographic data, as well as pre-
selection of the exam protocol.
Scan Technique:
• kVp: 80, 100, 120, 140
• mA: 10 to 440 in 5 mA increments
• Power: 0.8 to 53.2 kW
* Option
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