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MRI Resources 
Contrast Enhanced MRI - Colonography - Stimulator pool - MRCP - Safety Training - Veterinary MRI
 
Signa Infinity 1.5Tâ„¢ TwinSpeed with ExciteInfoSheet: - Devices -
Intro, 
Types of Magnets, 
Overview, 
etc.MRI Resource Directory:
 - Devices -
 
www.gehealthcare.com/usen/mr/s_excite15/index.html From GE Healthcare;
three dedicated MRI systems - a neuro imager, a cardiovascular system, and a whole body scanner - all in one system.
Device Information and Specification
CLINICAL APPLICATION
Whole body
CONFIGURATION
Short bore
Head and body coil standard; all other coils optional; open architecture makes system compatible with a wide selection of coils
Optional 2D/3D brain and prostate
SYNCHRONIZATION
ECG/peripheral, respiratory gating
PULSE SEQUENCES
Standard: SE, IR, 2D/3D GRE and SPGR, Angiography: 2D/3D TOF, 2D/3D Phase Contrast;; 2D/3D FSE, 2D/3D FGRE and FSPGR, SSFP, FLAIR, EPI, optional: 2D/3D Fiesta, FGRET, Spiral, Tensor
IMAGING MODES
Localizer, single slice, multislice, volume, fast, POMP, multi slab, cine
TR
1.2 to 12000 msec in increments of 1 msec
TE
0.4 to 2000 msec in increments of 1 msec
SINGLE/MULTI SLICE
Simultaneous scan and reconstruction;; up to 200 or 400 images per second
1 cm to 48 cm continuous
2D 0.7 mm to 20 mm; 3D 0.1 mm to 5 mm
1280 x 1024
MEASURING MATRIX
128x512 steps 32 phase encode
PIXEL INTENSITY
256 gray levels
60 cm
MAGNET WEIGHT
3863 kg
H*W*D
172 x 208 x 216 cm
POWER REQUIREMENTS
480 or 380/415
COOLING SYSTEM TYPE
Closed-loop water-cooled gradient
Less than 0.03 L/hr liquid He
STRENGTH
Zoom 40 mT/m, whole body 23 mT/m
5-GAUSS FRINGE FIELD
4.0 m x 2.8 m axial x radial
Active
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Further Reading:
  News & More:
Twin Gradient Technology - Potential Advantages For Diffusion Weighted MRI(.pdf)
   by www.paulrharvey.co.uk    
MRI Resources 
Movies - Implant and Prosthesis pool - Coils - Sequences - Jobs pool - Software
 
Fast Acquisition with Multiphase EFGRE3DInfoSheet: - Sequences - 
Intro, 
Overview, 
Types of, 
etc.
 
(FAME) The FAME MRI technique uses a 3dimensional fast SPGR pulse sequence to acquire high resolution images. With its short scan time, FAME is useful for dynamic liver imaging with multiple phases.
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MRI Resources 
Homepages - Claustrophobia - Diffusion Weighted Imaging - Stimulator pool - MR Myelography - Absorption and Emission
 
Fast Spoiled Grass Sequence with IR PreparationInfoSheet: - Sequences - 
Intro, 
Overview, 
Types of, 
etc.
 
(IR-FSPGR) This sequence uses an inversion pulse followed by a spoiled low flip angle and short TR gradient echo train to collect all partition data. The 3D-IR-FSPGR uses centric ordering of Gz. The selected TI is also the effective TI. The centric reordering strategy can lead to image blurring if a steady state is not achieved quickly with low flip angles (less than 20°).
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Education - Mobile MRI Rental - Process Analysis - Examinations - Case Studies - Health
 
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