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Result : Searchterm 'SPIR' found in 8 terms [] and 81 definitions []
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Searchterm 'SPIR' was also found in the following services: 
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News  (17)  Resources  (5)  Forum  (8)  
 
Gating
 
Synchronization of imaging with a phase of the cardiac or respiratory cycles.
A variety of means for detecting these cycles can be used, such as the ECG, peripheral pulse, chest motion, etc. The synchronization can be prospective or retrospective.
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• Related Searches:
    • Pulse Triggering
    • Cardiac Gating
    • Cardiac MRI
    • Coronary Angiography
    • Fast Relaxation Fast Spin Echo
 
Further Reading:
  Basics:
Electrocardiogram in an MRI Environment: Clinical Needs, Practical Considerations, Safety Implications, Technical Solutions and Future Directions
Wednesday, 25 January 2012   by cdn.intechopen.com    
MRI Resources 
Safety pool - Journals - Hospitals - Most Wanted - Bioinformatics - MRCP
 
Infinion 1.5TPanorama 0.2InfoSheet: - Devices -
Intro, 
Types of Magnets, 
Overview, 
etc.MRI Resource Directory:
 - Devices -
 
From Philips Medical Systems; www.medical.philips.com/main/products/mri/products/infinion1.5t/features/ Philips Infinion 1.5 T is designed to maximize the efficiency and quality of patient care. Developed with the patient in mind, the Infinion is the shortest and most open 1.5T scanner available. The unique 'ultra short' 1.4 m magnet assures patient comfort and acceptance without compromising image quality and clinical performance.
Device Information and Specification
CLINICAL APPLICATION
Whole body
CONFIGURATION
Ultra short bore
Head, head / neck, integrated C-spine, L/T spine array, small large GP coils, body flex array, torso pelvis array, breast array, endocavitary, shoulder array, lower extremity, hand / wrist, cardiac, PV array
SYNCHRONIZATION
ECG/peripheral, respiratory gating
PULSE SEQUENCES
SE, TSE, SS TSE, EPI, IR, STIR, FLAIR, FFE, TFE, T1 TFE, T2 TFE, Presat, Fatsat, MTC, Diff-opt., Angiography: PCA, MCA, TOF
IMAGING MODES
Single slice, single volume, multi slice, multi volume
TR
3.1 msec minimum
TE
0.9 msec minimum
SINGLE/MULTI SLICE
80 images/sec std.; up to320 opt.@256
FOV
0.4 - 56 cm
2D: 0.3 mm; 3D: 0.2 mm
1024 x 1024
MEASURING MATRIX
8 x 8 to 1024 x 1024
PIXEL INTENSITY
256 gray scale
BORE DIAMETER
or W x H
60 cm diameter (patient)
MAGNET WEIGHT
4100 kg w/cryogen's
H*W*D
233 (lead fitted) x 198 x 140 cm
POWER REQUIREMENTS
400/480 V
COOLING SYSTEM TYPE
Closed loop, chilled water
CRYOGEN USE
0.06 L/hr helium
STRENGTH
30 mT/m
5-GAUSS FRINGE FIELD
3.0 m / 5.0 m
Passive/active
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• View the DATABASE results for 'Infinion 1.5T™' (2).Open this link in a new window

MRI Resources 
Distributors - Functional MRI - IR - Intraoperative MRI - Veterinary MRI - Safety Training
 
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    
Searchterm 'SPIR' was also found in the following services: 
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News  (17)  Resources  (5)  Forum  (8)  
 
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 
Crystallography - MRI Physics - Cardiovascular Imaging - MRI Accidents - Stimulator pool - Diffusion Weighted Imaging
 
MAGNETOM Harmony™InfoSheet: - Devices -
Intro, 
Types of Magnets, 
Overview, 
etc.MRI Resource Directory:
 - Devices -
 
www.med.siemens.com/med/d/gg/mr/products/harmony.htm From Siemens Medical Systems;
the MAGNETOM Harmony system is a high-performance MR imaging system based on 1.0 T field strength for best clinical routine MRI. It combines patient-friendly design features with the benefits of short imaging time, high anatomical resolution, and highest productivity.
Device Information and Specification
CLINICAL APPLICATION
Whole body
CONFIGURATION
Compact
Body, head, spine, knee, neck, TMJ, extremity, breast, shoulder, others
Yes/SVS opt.
SYNCHRONIZATION
ECG/peripheral, respiratory gating
PULSE SEQUENCES
GRE, IR, FIR, STIR, TrueIR/FISP, FSE, FLAIR, MT, SS-FSE, MT-SE, MTC, MSE, EPI, GMR, fat/water sat./exc.
IMAGING MODES
Single, multislice, volume study, multi angle, multi oblique
TR
2.4 msec std.; 2.0 opt.; 1.8 w/ 30mT/m at 256matrix
TE
1.1 msec std.; 0.9 opt.; 0.78 w/30 mT/m at 256matrix
SINGLE/MULTI SLICE
178 images/sec at 256 x 256 at 100% FOV
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
21 micrometer in plane, 11 micrometer optional
BORE DIAMETER
or W x H
60 cm
MAGNET WEIGHT (gantry included)
3500kg, 5000kg in operation
DIMENSION H*W*D (gantry included)
POWER REQUIREMENTS
380/400/420/440/480 V
COOLING SYSTEM TYPE
Single cryogen, 2 stage refrig.
CRYOGEN USE
Liquid He
STRENGTH
20/35 mT/m standard, 30/52 opt.
5-GAUSS FRINGE FIELD
2.5 m / 3.9 m
Passive, act.; 1st order std./2nd opt.
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• View the DATABASE results for 'MAGNETOM Harmony™' (2).Open this link in a new window

 
Further Reading:
  Basics:
Harmony Brochure(.pdf)
MRI Resources 
NMR - Diffusion Weighted Imaging - MRI Training Courses - MRCP - Collections - Spectroscopy
 
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