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Hitachi Scenaria View CT


Lower Dose, Remarkably Open Design
CT

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Overview

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SCENARIA View 128 is a powerful premium performance CT solution that provides dependable routine application capabilities with available advanced clinical modules for Interventional CT, extended coverage Shuttle Scanning (for Perfusion Exams), Cardiac CTA and Dual Energy examinations. The View employs 64 discrete detector and electronics channels over a 40mm detector coverage and reconstructs up to 128-slices per scan rotation.

Unique and clinically valuable capabilities of the View include:

  • Hitachi’s Next Generation Vision Model based Iterative Reconstruction capability “Intelli IPV” that can provide dose reduction up to 83% at the same image quality*.
  • A wider 80cm gantry aperture, a more powerful 84kW generator provides up to 700mA operation
  • The advantages of the standard Auto Lateral Shift Table enables ±10cm lateral shift (20cm total shift range) providing easier and more accurate positioning of the patient’s anatomy of interest at the scan Field of View’s iso-center where spatial resolution is better than off-center
  • HiMAR Plus metal artifact reduction minimizes objectionable metal induced artifacts
  • The View includes XR-25 Dose-Check control and is XR-29 Smart-Dose Compliant, while providing FDA 510(k) Cleared Indication for use for Low-Dose CT lung Cancer Screening

These units are to be sold installed as turn-key projects.

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LATERAL SHIFT TABLE, ± 10CM

IntelliCenter Auto-Lateral Shift Table is the only standard table that can shift up to ± 10cm laterally (20cm total range) to:

  • Assist patient positioning
  • Reduce dose*
  • Improve spatial resolution
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MULTI-BOWTIE FILTERS

Multi-Bowtie filter size selection, based on anatomy to be imaged, reduces radiation dose* in areas outside the filter’s field of view. When used together with the auto lateral shift table, off-center anatomy can be brought to iso-center and the smallest bow-tie filter utilized.

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HIGHER DATA SAMPLING RATE

SCENARIA View’s higher data sampling rate provides faster anatomic coverage without sacrificing image quality and reduces motion artifacts.

550 LBS. TABLE WEIGHT CAPACITY

Higher standard weight capacity to accommodate larger patients up to 250 kg (550 lbs.).

WIDE 80CM GANTRY APERTURE

A more open 80cm gantry aperture spaciously accommodates the most challenging patients.

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IPV – Iterative Reconstruction

IPV is Hitachi’s Next-generation “vision modeled” iterative processing that provides dose reduction and overcomes a conventional IR weakness by IPV maintaining normal image texture that better matches the image texture appearance of Filtered Back Projection (FBP).

Utilizing IPV vs. conventional FBP reconstruction can provide*:

  • Dose reduction up to 83% at the same image quality (low contrast detectability)
  • Image noise reduction up to 90% at the same dose
  • Noise reduction rate control according to the IPV level used
  • Low contrast detectability improvement by up to 2.0X (100%) at the same dose
  • Natural image texture appearance (the shape of noise power spectrum) similar to that of FBP, even if using higher IPV strength level
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HIGHER DATA SAMPLING RATE

SCENARIA View’s higher data sampling rate provides faster anatomic coverage without sacrificing image quality and reduces motion artifacts.

REDUCED DOSE FOR CARDIAC CTA

ECG Dose Modulation reduces mA during the cardiac phases of a retrospectively gated exam that are not intended for image reconstruction.

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DOSE REPORTING AND AWARENESS

SCENARIA View provides both DICOM Dose Structured Report and a Simple Dose Report to satisfy the full range of your IT and physician reading dose reporting needs. And, SCENARIA View includes Dose Check, compliant with NEMA XR-25, to monitor for exam doses that may exceed notice or alert levels.

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INTELLI EC PLUS

Hitachi’s proprietary 3D mA modulation technology, Intelli EC, automatically modulates mA to lower individual patient dose levels depending on patient anatomy and size and considering the level of iterative reconstruction selected. Intelli EC Plus can be set to provide real-time control of mA, to achieve a constant Noise Standard-Deviation in the resulting images.

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REDUCED kV

Four settings support lower kV and dose based on individual patient size.

Lower kV provides lower dose for small and pediatric patients.

  • 80kV
  • 100kV
  • 120kV
  • 140kV
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AXIAL SNAP-SHOT IMAGING

Pulses the X-ray “on” only during a phase of the cardiac cycle using prospectively gated step-and-shoot cardiac scanning – reducing radiation dose.

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SCAN PARAMETERS

Rotation times (seconds): 0.35, 0.4, 0.5, 0.75, 1.0, 2.0
Data collection speed: 2880 views per second
Minimum Slice thickness (mm): 0.625
FOV (mm): 20-500
Max scan range (in/mm): 79/2000
Max scan rotations: 100
Volume scan pitch: 0.578 to 1.578

GANTRY

Gantry aperture: 80cm
Gantry tilt: +/- 30 degrees
Gantry Display: 15 inch LCD
Scan localizer

X-RAY TUBE

Anode heat capacity: 7.5MHU
Anode max. cooling rate: 1,386kHU/min
Tube cooling: Oil/Air
Focal Spot (mm): 0.7 x 0.8; 1.2 x 1.4

PATIENT TABLE

Table-top width: 18in (45.7cm)
Table weight capacity: 550 lbs (250kgs)
Horizontal accuracy: ±0.25mm
Vertical travel range: as low as 49cm to 97cm
Lateral Shift Motion ±10cm (20cm total range)
Scannable range 200cm

IMAGE RECONSTRUCTION

Matrix: 512 x 512
Image reconstruction time: up to 60 images/second (depending on protocol)
Immediate image preview
CT number range: -32,768 to +32,767

SITING

Minimum room size: 285 Sq. Ft.
Typical room size: 520 Sq. Ft.

SCAN ACQUISITION TYPES

Scanogram with real-time display – AP & Lateral
Normal scan – axial mode
Volume scan – helical mode
Shuttle scan mode
ECG Scan modes (option), Retrospective and Prospective

X-RAY DETECTOR

Type: Solid state ceramic
Coverage: 4cm with 64 rows
Detector elements: 64 x 888

HEADER: X-RAY GENERATOR

Output: 84kW
kVp selection: 80, 100, 120, 140kV
mA selection: 10-700mA (5mA steps)

OPERATOR’S CONSOLE

Display: single 24-inch LCD widescreen monitor
Display resolution: 1920 x 1200
UPS for console and image processor

DOSE REPORTING

Simple Dose Report
DICOM Dose Structured Report (SR)
CT Dose Check (NEMA XR-25)
NEMA Smart Dose Compliant (XR-29)

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Better systems, better service, and better healthcare are at your reach.

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