Magnacoustics Genesis ULTRA User Manual download pdf (Page 5)

Operations Office: Corporate Office:

11600 96

Ave. N. 2101 N. University Dr.

Maple Grove, MN 55369 Fargo, ND 58102

Phone: 763-315-1947 Phone: 800-436-4628

Fax: 763-425-4709 Fax: 800-848-0990

www.dmshg.com

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LAVA (Liver Acquisition with Volume Acquisition) is a 3D spoiled gradient echo technique optimized

for multi-phase liver imaging. LAVA combines in-plane ASSET acceleration (up to 2.5X), partial data

filling (25%) and shortened TR to enable 25% higher resolution and 25% more coverage with 25% less

scan time than previously possible. The acceleration techniques used by LAVA enable reduced scan time

and extended coverage without compromising in-plane resolution, and the result is high quality axial and

reformatted images.

LAVA also uses an optimized inversion pulse and a view ordering technique that yields enhanced image

contrast and robust, uniform fat suppression. As a result, LAVA enables reliable, high quality liver imaging

in a short breath-hold.

HD Propeller – Propeller (Periodically Rotated Overlapping ParallEL Lines with Enhanced

Reconstruction) is a revolutionary data collection technique used in conjunction with the Fast Spin Echo

pulse sequence. The name reflects the unique pattern that acquires radial blades of image data rotated

in sequence until data acquisition is complete. The redundant data created images with unusually high

contrast-to-noise ratio as well as makes the sequence insensitive to motion artifacts on T2 and T2 FLAIR

sequences and insensitive to susceptibility artifacts on DWI sequences. The result is high quality T2 and

T2 FLAIR images of the brain even when the patient fails to remain still, and high quality DWI images in

the present of dental work or surgical hardware. As a result, PROPELLER enables reliable, high quality

brain imaging.

1.5T Signa EXCITE HD Mobile Magnet and Gradient Module - The compact superconducting magnet

for mobile 1.5T Signay EXCITE HDy MR systems offers superb homogeneity. The combination of a wide

60-cm diameter bore and a patient table assembly that rests close to the bottom creates ample room

even for large patients. The magnet is actively shielded to make the magnetic field outside the bore as

weak as possible for safety and avoidance of interference with equipment operation. Innovative K4

cooling technology prevents helium boil-off and makes refills an extremely rare occurrence. The magnet

also includes 18 GE-designed superconducting shim coils to further improve the magnetic-field

homogeneity particularly for fat saturation when the field of view is large or off-center.

The Gradient Module installed within the magnet bore consists of three gradient coils and the Quadrature

transmit/receive body radiofrequency coil. Each gradient coil is designed to create a magnetic field that

changed strength linearly with in creasing distance from the center of the magnet by as much as 33 mTm.

1.5T and OpenSpeed Magnet Compressor for CXK4 Fixed, Relocatable & Mobile Systems -

Compressor designed for CXK4 magnet subsystems for 0.7T or 1.5T and compatible with fixed,

relocatable and mobile magnet configurations. Compressor is water cooled and all water cooling systems

must be a closed loop design to eliminate the possibility of magnetic contaminants entering into the

system.

1.5T 8-Channel Body Array – USA Instruments - The 8-channel Body Array is designed for high

definition MR imaging of the chest, abdomen and pelvis on 8-channel or 16-channel 1.5T EXCITE MR

systems. The 12-element Quadrature phased array coil provides extensive coverage enabling multi-

station anatomical and vascular imaging of the chest-abdomen or abdomen-pelvis without repositioning

the coil. The array is optimized for use with ASSET acceleration for enhanced breath-hold imaging

procedures.

1.5T HD 8-Channel Knee Array – Invivo - The 1.5T HD T/R Knee array is designed for high definition

MR imaging of the knee on 8-channel or 16-hannel 1.5T EXCITE HD MR systems. This array uses

unique hybrid technology using separate birdcage coils for transmit and receive functions. Designed

uniquely for GE, the 8 element receive coil delivers 30% --100% more SNR than the standard extremity

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Magnacoustics Genesis ULTRA User Manual Page 5

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