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Oblique Imaging
 
Oblique imaging generates images along oblique orientations between the conventional planes.
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Further Reading:
  Basics:
Magnetic resonance imaging
   by www.scholarpedia.org    
  News & More:
Cutting Edge Imaging of THE Spine
February 2007   by www.pubmedcentral.nih.gov    
MRI Resources 
MRI Reimbursement - Blood Flow Imaging - Mobile MRI - Education - Implant and Prosthesis - Jobs
 
Signa Infinity 1.0T™InfoSheet: - Devices -
Intro, 
Types of Magnets, 
Overview, 
etc.MRI Resource Directory:
 - Devices -
 
www.gehealthcare.com/usen/mr/index.html From GE Healthcare;
the Signa Infinity Magnetic Resonance system is a short bore, high performance, whole-body imaging system operating at 1.0 Tesla. The system can image in any orthogonal or oblique plane (including single and double axis oblique), using a wide variety of pulse sequences.
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
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, optional: EPI, 2D/3D Fiesta, FGRET, Spiral
IMAGING MODES
Localizer, single slice, multislice, volume, fast, POMP, multi slab, cine
TR
4.4 msec to 12000 msec in increments of 1 msec
TE
1.0 to 2000 msec; increments of 1 msec
SINGLE/MULTI SLICE
Simultaneous scan and reconstruction;; up to 100 images/second with Reflex 100
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
0.08 mm; 0.02 mm optional
MAGNET WEIGHT
3613 kg
H*W*D
172 x 208 x 216 cm
POWER REQUIREMENTS
480 or 380/415 V
COOLING SYSTEM TYPE
Closed-loop water-cooled gradient
Less than 0.03 L/hr liquid helium
STRENGTH
SmartSpeed 23 mT/m, HiSpeed Plus 33 mT/m
5-GAUSS FRINGE FIELD
4.0 m x 2.8 m axial x radial
Active
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• View the DATABASE results for 'Signa Infinity 1.0T™' (2).Open this link in a new window

MRI Resources 
Health - Spectroscopy - NMR - Safety Products - Safety Training - Diffusion Weighted Imaging
 
MAGNETOM™InfoSheet: - Devices -
Intro, 
Types of Magnets, 
Overview, 
etc.MRI Resource Directory:
 - Devices -
 
www.medical.siemens.com From Siemens Medical Systems;
70 cm + 125 cm + 1.5T and Tim - a combination never seen before in MRI ... MAGNETOM Espree™s unique open bore design can accommodate more types of patients than other 1.5T systems on the market today, in particular the growing population of obese patients. The power of 1.5T combined with Tim technology boosts signal to noise, which is necessary to adequately image obese patients.
Device Information and Specification
CLINICAL APPLICATION
Whole body
CONFIGURATION
Open bore
Body, Tim [32 x 8], Tim [76 coil elements with up to 18 RF channels])
SYNCHRONIZATION
ECG/peripheral: Optional/yes, respiratory gating
PULSE SEQUENCES
GRE, IR, FIR, STIR, TrueIR/FISP, FSE, FLAIR, MT, SS-FSE, MT-SE, MTC, MSE, EPI, 3D DESS//CISS/PSIF, GMR
IMAGING MODES
Single, multislice, volume study, multi angle, multi oblique
SINGLE/MULTI SLICE
Image Processor reconstructing up to 3226 images per second (256 x 256, 25% recFoV)
FOV
35 cm coronal//sagittal, 45 cm axial
Min 2D/3D: 0.1/0.05 mm
1024 x 1024 full screen display
MEASURING MATRIX
64 x 64 to 1024 x 1024
BORE DIAMETER
or W x H
70 cm diameter
MAGNET WEIGHT
3800 kg
H*W*D
? x ? x 125 cm
STRENGTH
33 mT/m
5-GAUSS FRINGE FIELD
2.5 m / 3.8 m
Passive, active
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• View the DATABASE results for 'MAGNETOM Espree™' (2).Open this link in a new window

 
Further Reading:
  News & More:
First 1.5 Tesla Open Bore MRI Introduced
Tuesday, 10 August 2004   by www.hospimedica.com    
Obesity May Influence Imaging Diagnosis
Wednesday, 22 December 2004   by www.hospimedica.com    
MRI Resources 
IR - Safety pool - Services and Supplies - Stimulator pool - Online Books - Mobile MRI Rental
 
MAGNETOM C™InfoSheet: - Devices -
Intro, 
Types of Magnets, 
Overview, 
etc.MRI Resource Directory:
 - Devices -
 
www.medical.siemens.com From Siemens Medical Systems;
A new, powerful, compact player in MRI. For both, patients and health care professionals, the mid-field has realized a giant step to cost efficient quality care. Obese patients and people with claustrophobia appreciate the comfortable side loading. The smallest pole diameter - 137 cm (54 inches) allows for optimal patient comfort.
Device Information and Specification
CLINICAL APPLICATION
Whole body
CONFIGURATION
C-shaped open MRI
Multi channel imaging, CP Head//Neck Array Coil, Body/Spine Array Coil, large, Transmit Coil
SYNCHRONIZATION
ECG/peripheral: Optional/yes, respiratory gating
PULSE SEQUENCES
SE, FLASH, FISP, IR, FIR, STIR, TrueIR/FISP, FSE, MT, SS-FSE, MT-SE, MTC, MSE, EPI, PSIF
IMAGING MODES
Single, multislice, volume study, multi angle, multi oblique
TR
Min. TR 2.81 ms
TE
Min. TE 0.98 ms
512 x 512 full screen display
MEASURING MATRIX
64 x 64 to 512 x 512
FOV
0.5 - 40 cm
MAGNET TYPE
Permanent
BORE DIAMETER
or W x H
41 cm vertical gap distance
MAGNET WEIGHT
16000 kg
H*W*D
233 x 206 x 160 cm
STRENGTH
24 mT/m
5-GAUSS FRINGE FIELD
2.2 m / 2.2 m
Passive and active
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• View the DATABASE results for 'MAGNETOM C™' (2).Open this link in a new window

 
Further Reading:
  Basics:
Section 2: 510(k) Summary, MAGNETOM C! System Classification Name: Magnetic Resonance Diagnostic(.pdf)
   by www.accessdata.fda.gov    
MRI Resources 
MRI Technician and Technologist Schools - Chemistry - Artifacts - Stimulator pool - Coils - Portals
 
MAGNETOM Avanto™InfoSheet: - Devices -
Intro, 
Types of Magnets, 
Overview, 
etc.MRI Resource Directory:
 - Devices -
 
test.med.siemens.com/magnetom/rsna_chicago_2003/tim/avanto/index.php From Siemens Medical Systems; MAGNETOM Avanto with Tim - Total imaging matrix technology. For true whole-body anatomical coverage. For ultra-fast image acquisition. Aids the physician in fast and precise evaluation of systemic diseases like colon cancer, metastasis imaging, vessel diseases, and preventional exams. For claustrophobic patients, MAGNETOM Avanto enables feetfirst exams for nearly all MR procedures. For obese patients, MAGNETOM Avanto supports up to 200 kg (400 lbs), without table movement restrictions. The AudioComfort technology enables up to a 30 dB(A) acoustic noise reduction, that means nearly all clinical routine sequences are running under 99 dB(A).
Device Information and Specification
CLINICAL APPLICATION
Whole body
CONFIGURATION
Compact short bore
Body, Tim [32 x 8], Tim [76 x18], Tim [76 coil elements with up to 32 RF channels]
Yes/SVS or CSI opt.
SYNCHRONIZATION
ECG/peripheral, respiratory gating
PULSE SEQUENCES
GRE, IR, FIR, STIR, TrueIR/FISP, FSE, FLAIR, MT, SS-FSE, MT-SE, MTC, MSE, EPI, 3D DESS//CISS/PSIF, GMR
IMAGING MODES
Single, multislice, volume study, multi angle, multi oblique
FOV
0.5 cm - 50 cm
Min 2D/3D: 0.1/0.05 mm
1024 x 1024 full screen display
MEASURING MATRIX
64 x 64 to 1024 x 1024
10 micrometer in plane
BORE DIAMETER
or W x H
60 cm
POWER REQUIREMENTS
380/400/420/440/480 V
STRENGTH
up to 45 mT/m
5-GAUSS FRINGE FIELD
2.5 m / 4.0 m
Passive, act.; 1st order std./2nd opt.
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• View the DATABASE results for 'MAGNETOM Avanto™' (2).Open this link in a new window

 
Further Reading:
  Basics:
12 510(k) MAGNETOM Avanto System(.pdf)
   by www.accessdata.fda.gov    
  News & More:
Obesity May Influence Imaging Diagnosis
Wednesday, 22 December 2004   by www.hospimedica.com    
MRI Resources 
Homepages - Raman Spectroscopy - Diffusion Weighted Imaging - Distributors - Crystallography - Anatomy
 
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