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GE Healthcare unveils next generation of high definition MR systems

GE Healthcare : 26 November, 2007  (New Product)
GE Healthcare has introduced the Signa HDxt as the next generation High Definition MR scanner, available in both 1.5T and 3.0T field strengths. Highlighting the new system are two new marquee applications called Cube and IDEAL.
Available for both 1.5T and the 3.0T systems, the GE-exclusive MR imaging application, Cube, can replace standard 2D acquisitions acquired in multiple planes with a single highly-accelerated 3D volume scan. Users are able to review high-definition, 3D data from one acquisition in any plane– axial, sagittal, coronal, oblique – with no gaps or resolution loss.

The submillimetre isotropic voxel size and enhanced tissue contrast typical for Cube acquisitions allows radiologists to visualise lesions as small as two millimetres and get consistent image quality and reproducible results with automated protocols optimised for each anatomy.

“Cube is an ideal solution for radiologists looking to apply three-dimensional imaging to MR procedures,” said Jim Davis, vice president of GE’s global MR business. “While providing outstanding image quality and critical image detail necessary for early detection and confident diagnosis, this application will improve workflow productivity by capturing the entire 3D stories in one, time-efficient scan to save overall exam time.”

Cube provides users with the same standard plane views, with the option to go back and reformat data into additional planes should questions arise. High-resolution reformatting in the axial, sagittal, coronal and oblique planes is done right on the operating console, with fast, easy reformatting tools that take less than a minute to run.

Also new on the Signa HDxt platform is IDEAL, an imaging technique resulting in four images, all from one acquisition, succeeding where traditional fat suppression techniques often fail. Even with challenging anatomy or metal implants, IDEAL provides robust water-only images while also providing users with important information from fat images as well.

Uses of IDEAL include:

Uniform fat suppression - IDEAL helps ensure consistent fat suppression – virtually eliminating variation from patient to patient and technologist to technologist.

Multiple contrasts - IDEAL provides multiple contrasts – fat, water and combined fat/water in-phase and out-of-phase – in one acquisition.

Minimal artifacts - IDEAL minimises artifacts from chemical shift and metal implants, and eliminates misregistration between fat and water

In addition to Cube and IDEAL, the following applications available for the Signa HDxt 1.5T and 3.0T MR systems have also expanded imaging visualisation for neurological, vascular, cardiac, and liver diagnostic assessment:

AngioCard - Expedites vascular reporting and enhances communication with schematics, images and movies provided to reports for referring physicians.

StarMap - Assesses iron deposition in the heart and liver with an automated scanning sequence, it calculates T2*-R2* pixel by pixel within an region of Interest and provides decay curve, grayscale and colour map displays

Flow Analysis - Quantifies flow characteristics which complements phase contrast, it speeds Region of interest placement with Automated and Propagated trace and provides Graphic and numeric display of flow and velocity data.
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