CUR2016 CT-Scanner

SKU: CUR2016 CT-Scanner Category: Tags: , , ,
Product Rating:
5/5

Description

**SOMATOM Sensation 4 Computed Tomography System for Multiline Spiral Scanning:-

  • Siemens has been a global player in CT for more than 25 years, having set lots of milestones. The SOMATOM CT success history is a synonym for technological firsts, clinical leadership, customer satisfaction and investment protection.
  • Our objective is to expand our market leadership role with the introduction of CT products that are based on new cutting edge technology embedded in optimized workflow concepts resulting in outstanding productivity and high patient throughput.
  • The 4-slice-system SOMATOM Sensation 4 is designed to keep pace with the future. The open architecture of the entire system, including the user interface and detector design philosophy, is ready to take advantage of new improvements and technologies as they become available, protecting your investment for years to come.

**Introduction – Technology and Data:-

*Outstanding volume acquisition:-Up to 8 slices/s with 0.5 s* rotation time.

*Outstanding temporal resolution:-Down to 125 MS/slice based on 0.5 s* rotation time and dedicated patented reconstruction algorithms.

*Minimum possible radiation exposure:-With maximum possible acquisition system efficiency using Ultra Fast Ceramic (UFC™) Detectors, optimized application protocols and real-time tube current modulation (CARE Dose*).

**Introduction – Workstream™:-

*singe application platform:-Provides easy and intuitive operation, common look and feel and participates in the Siemens unique multimodality interconnectivity.

*Fully integrated workstream:-Customizable Multiline workflow helping to fully exploit the new capabilities and speed. Up to 1.5 slices/s reconstruction, instant data access on shared data base for advanced data evaluation and quantification for total examination times < 10 min for routine applications.

*Advanced evaluation tools:-Rapid 3D-based semi-automated viewing, analysis, quantification and customizable documentation, fully integrated into a seamless workflow.

**Introduction – Clinical Applications:-

*Heart View CT* – New Frontiers in Cardiac Imaging:-0.5 s/360° rotation time, ECG-synchronized acquisition of the heart, the coronary arteries and the vascular system, dedicated Cardiac CT evaluation (syngo Calcium Scoring*, singe Argus*, singe Vessel View*).

*Dedicated evaluation and enhanced viewing tools:-Rapid 3D-based visualization of pulmonary nodules (singe Lung CARE*), enhanced 3D functionality (Volume Rendering Technique – singe VRT*) , enhanced perspective visualization (singe Fly Through*).

*CARE Solutions:-Software package for minimum possible radiation exposure in a wide application range. Thin slices, low dose scanning protocols or fast volume scanning will extend CT-applications.

**Technology and Data – Volume Acquisition System:-

*Gantry:-

  •  Aperture: 70 cm
  • Scan field :50 cm
  • Tilt :±30°
  • Rotational times Hi Speed* 0.5 s Standard:0.75, 1.0, 1.5 s
  • Temporal resolution down to: 125 MS*

*Continuously rotating tube-detector unit with optimized geometry for high-resolution data acquisition across the entire scan field.

*Data acquisition system:-

  • Number of detector rows 8
  • Elements 5376
  • Elements 5376
  • Number of projections up to 2320 (1/360°)
  • Speed and efficiency based on Ultra Fast Ceramic (UFC)
  • Designed to effectively suppress scattered radiation for precision quantitative CT

*High frequency generator:-

  • Max. power 60 kW

*Tube assembly Tube:-

  • DURA Akron B
  • Tube current 28 – 500 mA
  • Tube voltages 80, 120, 140 kV
  • Anode heat storage capacity 5.3 MHU
  • Focal Spot sizing according to IEC 336/1993 0.5 x 0.7 mm/7° 0.8 x 1.2 mm/7°
  • High performance CT X-ray tube
  • Computer controlled monitoring of anode temperature
  • Multiband principle with Flying Focal Spot

*CARE Filter (tube and prefiltration):-

  • Tube equivalent to 5.5 mm Al
  • Prefiltration device “1.6 mm PTFE
  • 0.6 mm Ti (body mode)
  • equivalent to 5.5 mm Al”

**Technology and Data – Sure View™ Spiral Image Reconstruction:- The Siemens patented solution is pioneering isotropic Volume CT Imaging designed for no compromises in image quality

  • Free selection of the pitch
  • Slice width independent of the pitch
  • Image noise and patient dose independent of the pitch

*Real-time reconstruction:-

  • up to 1.5 slices/s Reconstructed slice widths
  • Hires
  • Standard:” “0.5, 0.75 mm
  • 1.0, 1.25, 1.5,
  • 2, 3, 4, 5, 6, 7, 8, 10 mm “
  • Slice increment 0.1 – 10 mm
  • Pitch Factor (Volume Pitch) 0.25 – 2.0 (1 – 8)
  • Spiral scan time max. 100 s
  • Scan length max. 157 cm

**Technology and Data – Spiral performance: Examples of typical acquisition times:-

  • Aorta 600 mm coverage, 4 x 2.5 mm collimation at e.g. 120 kV, 130 MAs in 21 s
  • Anglo Head 60 mm coverage, 4 x 1.0 mm collimation at e.g. 120 kV, 90 MAs in 7 s
  • Upper Abdomen 300 mm coverage 4 x 2.5 mm collimation at e.g. 120 kV, 165 MAs in 10 s
  • Peripheral Anglo 900 mm coverage, 4 x 2.5 mm collimation at e.g. 120 kV, 130 MAs in 31 s

**Technology and Data – Tomogram:-

  • Length 128 – 1024 mm
  • Scan times 1.6 – 10.6 s
  • Views asp., p.a., lateral

*CARE Topo:-

  • Real-Time Tomogram
  • Manual interruption possible once desired anatomy has been imaged

*Technology and Data – Sequence:-Reconstructed slice widths

  • Hires
  • Standard:” “0.5, 0.75 mm
  • 1.0, 2.5, 5, 8, 10 mm
  • Number of uninterrupted scans per range 100
  • Max. number of images 400 per range
  • Max. number of ranges in Auto range
  • Scan cycle time (scan time 0.5 – 1.5 s) 0.75 – 60.0 s (±10%)
  • Acquisition with or without table feed
  • Automatic clustering of scans

**Technology and Data – Image Quality:-

*Low-contrast detectability:-

  • Low-contrast detectability is the ability to see
  • a small object (mm)
  • with a certain contrast difference (HU)
  • in a particular phantom (Ø)
  • with a certain slice width
  • with a particular patient dose (mg)

*Spiral:-

  • Phantom CATPHAN: (20 cm)
  • Object size: 5 mm
  • Contrast diff. :3 HU
  • Dose at the Surface :17 mg
  • Technique :120 kV 10 mm slice width

*Sequence:-

  • Phantom CATPHAN (20 cm)
  • Object size 5 mm
  • Contrast diff 3 HU
  • Dose at the Surface 21 mGy
  • Technique 120 kV 10 mm slice width

*High-contrast resolution:-

  • 0% MTF
  • ±10%” “30 lp/cm.
  • 0.17 mm
  • 2% MTF
  • ±10%” “24 lp/cm
  • 0.21 mm
  • Technique “150 mA
  • 120 kV
  • 0.75 s
  • 1 mm”

*Homogeneity:-

  • Cross-field uniformity in max. ±4HU
  • a 20 cm water phantom typ. ±2HU
  • Phantom positioned near center of rotation

*Dose, CTDI100 values:-

  • Phantom KV Ø KV
  • 80 120 140
  • (mugil 100 MAs)
  • 16 cm (Special head mode)
  • A 6.4 18.3 25.8
  • B 8.6 22.2 30.2
  • 32 cm A 1.2 4.6 7
  • B 3.4 10.6 15.3

* Technique:-

  • 2 x 10 mm collimation
  • 360° rotation
  • PMMA-Phantom
  • Absorbed dose for reference material air
  • Max. deviation ±30%
  • typically less than 15%
  • values according to IEC 60601-2-44

**Workstream™

*SOMATOM Workstream is one of the SOMATOM Sensation 4 key features :–it consists of two consoles, the Navigator and the Wizard*, with fast access to a common data base. Data produced by Volume Scanning can thus be processed smoothly and efficiently. The revolutionary, easy-to-use and intuitive syngo application platform helps streamlining clinical throughput by optimizing up-front patient logistics and ensures easy evaluation of complex volumetric image

*Navigator:-Primarily in charge of the actual scanning procedure, deals with examination functions such as registration, scheduling, protocol selection, reconstruction and standard evaluation applications including multiplanar reconstructions, 3D, CT Anglo and other advanced software packages.

*Wizard:-Primarily takes care of multiplanar reconstructions, 3D, CT Anglo and other advanced software packages for CT-specific post processing evaluations.

**Workstream – Patient Handling:-

  • Patient Table Max. table load: 200 kg/450 lbs.
  • Table speed :1 – 150 mm/s
  • Vertical table travel range: 48 – 102 cm (at table top)
  • Vertical travel speed :2.5 – 50 mm/s
  • Scannable range (metal-free): 157 cm
  • Distance between Gantry front and Table base :40 cm
  • Optional with installation: 64 cm

*Lateral light marker:-Horizontal and vertical laser light, which controls the isometric position of the patient.

*Patient communication:-

  • Integrated patient intercom
  • Automatic Patient Instruction (API) – Freely recordable – 30 API text pairs

*Patient registration:-

  • Online registration
  • Preregistration of patients
  • Patient information from HIS/RIS via DICOM Get worklist
  • Fast trauma protocols
  • Emergency patient registration

**Workstream – Processing:-

*Real-time display :-Slice thickness

  • Hires: 0.5, 0.75 mm
  • Standard: 1.0 – 10 mm
  • Standard: 1.0 – 10 mm
  • Recon field 5 – 50 cm
  • Recon time up to 1.5 images/s
  • Recon matrix 512 x 512
  • HU scale –1024 to +3071
  • Extended HU scale –10240 to + 30710

*Image display: Standard monitor :-

  • Monitor size 21”
  • Monitor resolution 1,280 x 1,024
  • Image display matrix 1,024 x 1,024
  • Pixel size min. 0.26 mm

*CINE Display:-

  • Display of image sequences
  • interactively with mouse-controlled rate
  • or automatically
  • Max. image rate > 10/s

*Windowing:-

  • Window width and center freely selectable
  • Single window
  • Double window (e.g. bone/soft tissue)
  • Organ-specific window settings for soft tissue and bone windows

*Filming:-

  • Digital film documentation, connection to a suitable digital camera
  • Connection via DICOM Basic print
  • Automatic filming
  • Filming interactively
  • Filming parallel to other activities
  • Independent scanning and documentation
  • Freely selectable positioning of images onto film sheet
  • Configurable image text

*Printing:-Documentation on postscript printer supported

*Image Transfer/Networking:-Interface for transmitting medical images and information in the DICOM industrial standard. Permits communication between devices from different manufacturers.

  • DICOM Storage (send/receive)
  • DICOM Query/Retrieve
  • DICOM Basic print
  • DICOM Get worklist (HIS/RIS)
  • DICOM Storage Commitment

*Evaluation Tools:-

*Parallel evaluation of more than 10 Regions of Interest (ROI)

  1. Circle
  2. Irregular
  3. Polygonal”

*Statistical evaluation

  1. Area/Volume
  2. Standard deviation
  3. Mean value
  4. Min/max values
  5. Histogram”

*Profile cuts 

  1. Horizontal
  2. Vertical
  3. Oblique”
  • Distance measurement
  • Angle measurement
  • Online measurement of a 5 x 5 pixel size ROI
  • Freely selectable positioning of coordinate system
  • Crosshair
  • Image annotation and labeling

*Dynamic Evaluation:-

  • Evaluation of contrast enhancement in organs and tissues
  • Calculation of – Time-density curves (up to 5 ROI’s) – Peak-enhancement images – Time-to-peak images

*Image Storage:-

  • Main storage 36 GB 60,000 images

*Raw Data :-

  • Capacity 72 GB

*Archiving:-

  • CD-R 650 MB 1,100 images
  • MOD DICOM* 5.2 GB drive 2.3/4.1 GB cartridge 4000/7500 images
  • MOD Pioneer read-only* 1.7 GB

**Workstream – Processing :-

  • 2D post processing
  • Image zoom and pan
  • Image manipulations
  • Averaging, subtraction
  • Reversal of gray-scale values
  • Mirroring

*Image filter functions

  • PFO: Posterior Fossa Optimization
  • LCE: Low Contrast Enhancement
  • HCE: High Contrast Enhancement
  • ASA: Advanced Smoothing Algorithm

*Real-Time MPR:-

  • Real-time multiplanar reformatting of secondary views
  • Viewing perspectives
  • sagittal
  • coronal
  • paraxial
  • oblique
  • double oblique
  • freehand (curvilinear)

*CT-Angiography

  • MIP: Maximum Intensity Projection
  • Evaluation of spiral images and display of vessels, vascular anomalies, aneurysms, plaques, and stenoses

*3D SSD:-

  • SSD: Shaded Surface Display
  • Three-dimensional display of surfaces with different density values
  • Soft tissues
  • Bones
  • Contrast-enhanced vessels

*Volume Measurements:-Measurements of various tissues and organs with HU based region growth algorithms and interactive ROI definition.

*singe VRT* (Volume Rendering Technique):-Advanced 3D functionality as extension to the basic 3D viewer containing Volume Rendering Technique (VRT) and advanced editing functions (icon-based presets).

*singe Fly Through:-Software for perspective visualization of vessels, airways and intestinal organs. (prerequisite: Wizard)

**Clinical Applications:-

*Synge Dental:-Reformatting of panoramic slices and paraxial sections through the lower and upper jaw for analysis in connection with implantation surgery.

*singe Osteon:-

  • Quantitative determination of bone mineral density (BMD) of the vertebrae.
  • Osteon CT measurement is standardized to the ESP Phantom (ESP: European Spine Phantom)

*singe Puleo:-Quantitative evaluation of the lung tissue.

*singe Fusion:-

  • Spatial alignment and visualization of 2 different data sets of one patient, generated on different modalities or with different acquisition times.
  • Provides optimal diagnosis by fusion of morphological data with functional information.

*singe Perfusion:-

  • Evaluation of dynamic data of the brain following contrast bolus injection.
  • Aids in the assessment of cerebral perfusion irregularities.

*Heart View CT:-

  • ECG-synchronized true isotropic volume acquisition using prospective ECG triggered or retrospective ECG-gating mode.
  • 0.5 s* rotation time and patented reconstruction algorithms to achieve a temporal resolution up to 125 Ms.
  • Basis for 3D Cardiac reconstructions, e.g. CT Angiography of the coronary vessels and Calcium Scoring.
  • Quality control tools enable retrospective ECG viewing and interactions as well as computer assisted heart phase definition.
  • Quality control tools enable retrospective ECG viewing and interactions as well as computer assisted heart phase definition.

*singe Calcium Scoring:-

  • Application for estimating the amount of calcium in CT images obtained with HeartView CT
  • singe Calcium Scoring calculates different scores (e.g. Agatston scores, volumetric scores) within user-defined regions for up to four coronary regions.

*singe Vessel View:-Dedicated software, compatible for CT and MR data, for semi-automated vessel and lesion quantification (prerequisite: Wizard).

**CARE Solutions:-

*singe Argus:-Dedicated software, compatible for CT and MR data, for virtual 4D-viewing and semi-automated quantification of ventricular function (prerequisite: Wizard).

*singe Lung CARE:-

  • Software on Wizard for rapid 3D-based visualization of pulmonary nodules, with minimum possible radiation exposure (prerequisite: Wizard).
  • The application packages Heart View CS* and CI* are complete workflow solutions for Calcium Scoring.
  • Heart View CS*: Heart View CT, singe Calcium Scoring and advanced cardiac imaging
  • Heart View CI*: Heart View CT, singe Calcium Scoring, singe Vessel View, singe Argus

*CARE Dose:-

  • Real-time dose modulated acquisition to adapt the tube current during one scan rotation.
  • Reduce dose for anterior and posterior views (with low attenuation) and adapt dose for lateral projections (with larger attenuation).

*Pediatric Protocols:-With 80 kV selection and a large range of mAs settings adapting the exposure to child’s weight and age.

*Hand CARE:-

  • Part of CARE Vision CT*, the Interventional Fluoroscopy package.
  • Online dose reduction algorithm to reduce radiation exposure to the operator and patient during an intervention.

*ECG Pulsing:-Dose modulated Cardio spiral for dose reduction in systolic heart phase, part of the Heart View CT* package.

*CARE Bolus:-Scan mode for contrast bolus triggered data acquisition.

**System Configuration Choices:- 

*SOMATOM Sensation 4:-

  • Rotation time down to 0.75 s/360°
  • SOMATOM Workstream including Navigator

*Advanced package:-

  • Hi Speed (rotation time down to 0.5 s/360°)
  • High-Resolution (Hi Res) package (30 lp/cm, 0.5 mm slice thickness)
  • SOMATOM Work Stream including Navigator and Wizard
  • CARE Solutions
  • CARE Dose
  • CARE Bolus
  • Pediatric Protocols

*3D Power Package:-

  • Auto 3D
  • 3D-VRT
  • Enhanced Processor and Graphics Power
  • Prepared for Advanced 3D Applications

**System Options:-

*Export devices

  • MOD (Magneto-optical-disc)
  • CD-Recorder

*Remote Access:-Remote service (diagnostics) via modem of ISDN/analog router.

*Image display: Flat screen:-

  • Monitor size 18”
  • Monitor resolution 1,280 x 1,024
  • Image display matrix 1,024 x 1,024
  • Pixel size min. 0.28 mm

*singe 3D Workstation Leonardo:-Advanced Multi-Modality 3D workstation connected via DICOM

**Installation:-

*Dimension:-

Components Height(mm) Width(mm) Length(mm) Weight(mm)
Gantry ≤ 1990 ≤ 940 ≤ 2280 ≤ 2100
Patient table ≤ 850 ≤ 690 ≤ 2430 ≤ 500
Operator’s console ≤ 720 ≤ 800 ≤ 1400 ≤ 65
Power cabinet ≤ 1815 ≤ 905 ≤ 800 ≤ 550
Cooling system ≤ 1815 ≤ 905 ≤ 860 w/w ≤ 200 w/w
≤ 900 w/a ≤ 400 w/a
Computer system ≤ 484/600 ≤ 685 ≤ 302 ≤ 30/30

*Examination room environment :-

  • Temperature range 15 – 28° C
  • Relative air humidity without condensation 15 – 75 %

*Cooling:-

  • Max. heat dissipation ≤ 13.5 kW scanning
  • Including cooling system ≤ 9.5 kW standby

*Power supply:-

  • Nominal voltage 3/N~ 380 – 480 V in 20 V steps
  • Nominal line frequency 50; 60 Hz
  • Line impedance 100 – 160 monme (dependent on voltage)
  • Nominal power connection 66 – 83 kiva (fuse 100 A)

*Power consumption :-   

Computer on 4 kVA / 1.1 kW
System on standby
w/w 7 kVA / 5 kW
kW w/a 10 kVA / 7.5 kW
scanning
(120 kV, 260 mA, 80 s)
w/w 48 kVA
w/a 50 kVA

  *w/w = water/water w/a = water/air

**Protection against input power fluctuation:-

  • Interruptions X-ray 5 MS
  • Controllers 20 MS
  • Image Reconstruction System, Navigator and Wizard 20 MS, 300 s optional with UPS

 

 

 

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