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Toshiba Medical Systems Corporation

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CT

Activion™ 16


Image processing

New 3D software

Toshiba's newly developed user-friendly 3D imaging software permits 3D images to be generated with outstanding ease, while intuitive 3D preset icons ensure easy operation and quick results.

New 3D software


Bone Removal

Toshiba's bone removal software provides the operator with an easy and accurate means of removing bone from CT angiographic images.
Extremely high-quality MIP images with bone segmentation can be obtained in just a few clicks. Toshiba provides realtime preview of bone removal on synchronized 3D and MIP images to ensure highly accurate and diagnostic 3D CT angiograms every time.

Bone Removal



Low Dose Technology

Boost3D™

Toshiba has developed Boost3D, which employs an adaptive 3-dimensional algorithm to reduce pattern noise and streak artifacts. It specifically targets portions of the raw projection data where there are disproportionately low x-ray signals and applies the Boost3D algorithm selectively to reduce noise in areas of high attenuation.
By minimizing noise and removing streak artifacts caused by photon starvation, Boost3D eliminates the need to increase the dose to obtain images of diagnostic quality.

Before applying Boost3D™
Before applying Boost3D™
Artifacts are conspicuous when scanning is performed with a low exposure dose.

After applying Boost3D™
After applying Boost3D™
Artifacts are reduced in scans performed under the same conditions.


Quantum denoising software

Quantum Denoising Software (QDS) is a powerful tool Toshiba has developed to remove noise in reconstructed images. QDS is an adaptive noise reduction algorithm that selectively smoothes out areas of uniform density while preserving the edge information within the image, thus reducing noise while increasing the signal to noise ratio and improving image quality.
QDS routinely reduces patient dose by up to 50% while maintaining both low and high contrast resolution.

Image scanned at 200 mAs
Image scanned at 200 mAs

Image scanned at 100 mAs
Image scanned at 100 mAs
and processed using the quantum denoising filter


Overview of quantum denoising filter


Applications

SURESubtraction

SURESubtraction in brain CTA is revolutionary new technology that provides 3D DSA images for the complete and accurate assessment of the blood supply to the brain. With superb accuracy, low-dose precontrast images are automatically subtracted from a regular post-contrast study, providing unsurpassed detail of the intracranial internal carotid artery and the carotid siphon. Surgical aneurysm clips and coiling devices are removed, permitting unobstructed postoperative assessment.

Subtraction™


Vessel View

Vessel View automatically provides curved planar reformations (CPRs) of selected arteries in just two clicks. For fast angiographic diagnosis, the automatically generated curved planar images can be freely rotated around the curved path in both anatomical and straightened CPR views. Cross-sectional images perpendicular to the curved path are automatically displayed, allowing complete assessment of the arterial lumen and walls. Quantitative percentage stenosis measurements are easily obtained based on either the minimum luminal diameter or total luminal area.

Vessel View