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SOMATOM Definition Edge
Answers for life.
The Reference in Single Source CT SOMATOM Definition Edge SOMATOM® Definition Edge with the revolutionary Stellar Detector. As the first fully integrated detector designed to minimize electronic noise, it takes CT imaging where it has never gone before. The SOMATOM Definition Edge CT system offers high image quality, excellent dose reduction*, and dual energy. It is equipped to handle any clinical setting and it is well suited for the challenges of the Emergency Department. *Data on file.
See the unseen.
Get more from less.
Specify the unspecific.
The uniqueness of the Stellar Detector allows the SOMATOM Definition Edge to generate
ultra-thin slices, thus delivering the highest spatial resolution in CT.* You can visualize even
the finest image details, for example, for microfractures of the spine or tertiary vessels.
It lets you see what was previously unseen.
The minimized noise level of the Stellar Additionally, Dual Energy (DE) is a
Detector together with SAFIRE — our reality for Single Source CT imaging.
raw-data-based iterative reconstruction With the novel capabilities of the Stellar Detector and
— is perfect for ultra low-dose imaging, the only dose-optimized Single Source DE scan mode,
eliminating the contradiction of the SOMATOM Definition Edge enables you to add
outstanding image quality with minimal tissue characteristics to the morphology. You can now
dose. You get higher image quality with specify formerly unspecific information for high
diagnostic outcome.
less patient radiation.
*Data on file.
The Stellar Detector So it is imperative to acquire the highest possible spatial
resolution at the fastest possible acquisition speed. The
The Stellar Detector introduces the next generation in
SOMATOM Definition Edge with the unique STRATON tube
detector technology, succeeding gas and solid-state
makes spatial resolution independent of the selected pitch.
technology. Using nanotechnology, it is possible to
And having the patient table from the SOMATOM Definition
miniaturize the electronic components on the detector
Flash at a pitch of 1.7 is possible. This allows an acquisition
elements, enabling their integration directly at the
speed of up to 230 mm/sec at a spatial resolution of 0.30 mm.
photodiode. So, for the first time, the electronics of the
detector elements are fully integrated in the photodiode.
This full electronic integration is Siemens’ revolutionary Optimized Bariatric Imaging
TrueSignal Technology, which enables electronic noise By minimizing electronic noise, the detector’s Signal-to-
reduction and lower dose acquisition. Noise ratio increases, providing much more flexibility in
handling low signals. This is essential for bariatric imaging,
Edge Technology since maximum power is often applied, but the signal
reaching the detector is very low. Conventional detectors
Electronic noise and cross-talk are minimized thanks
have a comparatively high intrinsic noise level and impaired
to full electronic integration. Without cross-talk, intrinsic
image quality. Due to the electronic integration of the
slice blurring between neighboring detector rows can
Stellar Detector, this noise level is significantly lower, so
be avoided and individual slice profiles are much more
the available signal can be processed more efficiently.
precise. To take advantage of the minimized noise and
cross-talk, Siemens Edge Technology creates a more State-of-the-art CT systems have to react to the new
precise model of the focal spot and detector, generating challenges presented by the increasing number of bariatric
a slice thickness of 0.5 mm. With thinner slices, greater patients. This means having the appropriate ergonomics to
details can been seen resulting in a spatial resolution handle these patients, as well as having the technology to
of up to 0.30 mm, which is equivalent to approximately achieve the image quality necessary for reaching sound
19 lp/cm. diagnoses. The SOMATOM Definition Edge delivers the
ideal solution with a 78-cm gantry bore and a table load
Uncompromised Performance capacity of 676 lb, all enhanced by the new Stellar
The unique combination of Stellar Detector, STRATON® tube, Detector with TrueSignal Technology.
and new tiltable gantry is the key benefit of the SOMATOM
Definition Edge. With a rotation speed of 0.28 sec, it CNR Optimized kV Settings
delivers a temporal resolution of 142.5 msec. At the same CARE kV takes the patient’s habitus from the topogram and
time, it utilizes the unique spatial resolution of up to the chosen examination type (non-contrast, bone, soft
0.30 mm provided by the Stellar Detector. And, its gantry tissue, vascular) into consideration, proposes the appropriate
concept now makes it possible to use it within the entire kV, and sets all other parameters accordingly to get the
FoV of up to 500 mm. With this uncompromised defined Contrast-to-Noise ratio. Reducing the tube voltage
performance, you can achieve outstanding clinical results. helps optimize dose and improves image quality, e.g., for
contrast-media-enhanced examinations. With the new,
Acute care patients can be uncooperative, so it is essential
improved STRATON tube, the voltage range is lowered to
that the CT scan is performed as fast as possible to reduce
70 kV. This, together with the unique CARE Child scan modes,
movement artifacts. But you want to be sure
helps further reduce the dose for pediatric or neonate
you are not reducing spatial resolution. When looking at
patients. With these features, an additional dose reduction
fractures, for example, it is essential to assess whether
of up to 60% is possible. Additionally, the system identifies
larger fractures or broken bones have ruptured small
bariatric patients and sets the parameters accordingly to
vessels and caused internal bleeding, or whether very
make full use of the system’s reserves to optimize CNR, and
small fractures of the spine have impacted the spinal cord.
achieve higher image quality for these patients.
SOMATOM Definition Edge
Standard System Configuration
System Hardware
• 0.28 s rotation time
• 0 MHU STRATON X-ray tube
• z-Sharp™ Technology
• Adaptive Dose Shield
• Multislice Stellar Detector
• 100 kW generator
• CT patient table (200-cm scan range,
227 kg/500 lb table load, 676 lb optional)
• 60 fps image reconstruction
Benefits
Standard Workplaces
Patient • syngo® Acquisition Workplace
• 78-cm gantry for imaging of larger patients • 19-in. (48-cm) flat screen monitor
• CD/DVD storage
• Dose protection based on industry unique CARE
kV and SAFIRE* as well as new Stellar Detector
Standard System Software
• Fast acquisition that reduces the need for • syngo Examination
breath hold
• syngo Viewing
• syngo Filming
Clinician
• syngo Archiving & Network
• 142.5 temporal resolution enabling cardiac
imaging at a higher heart rate
Standard FAST Applications
• 14 cm of perfusion coverage with Adaptive 4D • FAST Adjust
Spiral for excellence in stroke imaging • FAST Scan Assistant
• Dose-optimized single source dual energy, tissue • FAST Planning
characterization without dose increase • FAST Cardio Wizard
• FAST Spine
Throughput
• Real-time imaging and 8 simultaneous Standard CARE Applications
reconstructions enabling fast throughput • C ARE Filter
• 60 images per second reconstruction speed in • C ARE Bolus CT
combination with WorkStream4D raw-data-based • C ARE Topo
reconstruction technique • C ARE Dose4D™
• C ARE kV
Administrator • C ARE Child – Pediatric Protocols
• Low space requirements and flexibility of water • C ARE Profile
or air cooling • C ARE Dashboard
• Service offering optimized for challenging
Emergency Department environment Standard Applications on syngo
• Lower power requirements in the standby mode
Acquisition Workplace
thanks to new Stellar Detector • syngo 3D Real-Time MPR
• syngo 3D SSD (Surface Shaded Display)
• syngo Volume Calculation
*In clinical practice, the use of SAFIRE may reduce CT patient dose
depending on the clinical task, patient size, anatomical location,
• syngo Dynamic Evaluation
and clinical practice. A consultation with a radiologist and a • syngo VRT (Volume Rendering Technique)
physicist should be made to determine the appropriate dose to
obtain diagnostic image quality for the particular clinical task.
• CT Angiography
• Neuro BestContrast
• Adaptive Signal Boost
• WorkStream4D (3D-Recon)
On account of certain regional limitations of
sales rights and service availability, we cannot
guarantee that all products included in this
brochure are available through the Siemens
sales organization worldwide. Availability and
packaging may vary by country and is subject
to change without prior notice. Some/All of the
features and products described herein may
not be available in the United States.
The information in this document contains
general technical descriptions of specifications
and options as well as standard and optional Local Contact Information
features which do not always have to be Siemens Medical Solutions USA, Inc.
present in individual cases. 51 Valley Stream Parkway
Malvern, PA 19355-1406
Siemens reserves the right to modify the
USA
design, packaging, specifications and options
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described herein without prior notice. Please
www.usa.siemens.com/healthcare
contact your local Siemens sales representative
for the most current information.
Note: Any technical data contained in this Global Business Unit
document may vary within defined tolerances. Siemens AG
Original images always lose a certain amount Medical Solutions
of detail when reproduced. Computed Tomography
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© 2012 Siemens Medical Solutions USA, Inc. www.siemens.com/healthcare
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