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Result : Searchterm 'Cryogen' found in 2 terms [] and 59 definitions []
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Searchterm 'Cryogen' was also found in the following services: 
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News  (7)  Resources  (3)  Forum  (3)  
 
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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MRI Resources 
Mass Spectrometry - MRI Reimbursement - Equipment - Movies - Pacemaker - Claustrophobia
 
Liquefier
 
System for reliquefaction of cryogenic gases; if closely matched with a superconducting magnet, zero net cryogen boil-off can be achieved.
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Further Reading:
  Basics:
Liquid Helium
   by hyperphysics.phy-astr.gsu.edu    
  News & More:
Cryogenic Liquids and their Hazards
   by www.ccohs.ca    
MRI Resources 
Chemistry - Developers - Breast Implant - RIS - Veterinary MRI - Jobs pool
 
MAGNETOM Allegraâ„¢InfoSheet: - Devices -
Intro, 
Types of Magnets, 
Overview, 
etc.MRI Resource Directory:
 - Devices -
 
www.med.siemens.com/med/d/gg/mr/products/allegra.htm From Siemens Medical Systems;
the 3 T MAGNETOM Allegra is a dedicated MR headscanner, perfect as a research system in cognitive and neuroscience with MRS and fMRI. MAGNETOM Allegra is a full member of the MAGNETOM product family. It uses many common components, i.e. electronics, computer system, software and pulse sequence concepts.
Device Information and Specification
CLINICAL APPLICATION
CONFIGURATION
Short bore
Yes/Mutli-nuclear MRS
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
SINGLE/MULTI SLICE
178 images/sec at 256 x 256 at 100% FOV
FOV
22 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
BORE DIAMETER
or W x H
60 x 60 cm
MAGNET WEIGHT (gantry included)
5500 kg
DIMENSION H*W*D (gantry included)
220 x 220 x 147 cm
POWER REQUIREMENTS
380/400/420/440/480 V
COOLING SYSTEM TYPE
Single cryogen, 2 stage refrig.
CRYOGEN USE
0.1 L/hr helium
STRENGTH
40 mT/m
Passive, act.; 1st order std./2nd opt.
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Searchterm 'Cryogen' was also found in the following services: 
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MAGNETOM ESSENZA
 
www.healthcare.siemens.com/magnetic-resonance-imaging/0-35-to-1-5t-mri-scanner/magnetom-essenza/ From Siemens Medical Systems;
Received FDA clearance in 2007.
The MAGNETOM Essenza is designed to combine high system performance with simple installation and power requirements to provide optimal operating costs for limited budgets. The standard system has up to 25 integrated coil elements and 8 independent radio frequency channels. Tim allows the combination of up to 4 different coils that reduce patient and coil repositioning.
The 1.5 Tesla system is designated for a complete range of clinical applications, including neurology, orthopedics, body imaging, angiography, cardiology, breast imaging, oncology and pediatric MRI.
Device Information and Specification
CLINICAL APPLICATION
Whole body
CONFIGURATION
Ultra-short bore
Head, spine, torso/ body coil, neurovascular, cardiac, neck, and multi-purpose flex coils. Peripheral vascular, breast, shoulder, knee, wrist, foot//ankle, TMJ optional.
CHANNELS (min. / max. configuration)
8, 16
Chemical shift imaging and single volume spectroscopy
IMAGING TECHNIQUES
iPAT, mSENSE and GRAPPA (image, k-space), noncontrast angiography, radial motion compensation
MINIMUM TR
3-D GRE: 1.58 (256 matrix)
MINIMUM TE
3-D GRE: 0.5 (256 matrix)
FOV
0.5 - 45 cm
BORE DIAMETER
or W x H
At isocenter: 60 cm
TABLE CAPACITY
200 kg
MAGNET WEIGHT (gantry included)
4350 kg in operation
DIMENSION H*W*D (gantry included)
145 x 226 x 216 cm
5-GAUSS FRINGE FIELD
2.5 m / 4.0 m
CRYOGEN USE
Zero boil off rate, approx. 10 years
COOLING SYSTEM
Water; single cryogen, 2 stage refrigeration
up to 100 T/m/s
30 mT/m, 300 msec to 10 mT/m
Passive, active; first order standard second order optional
POWER REQUIREMENTS
380 / 400 / 420 / 440 / 460 / 480 V, 3-phase + ground; 45 kVA
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MRI Resources 
Shielding - Stimulator pool - Devices - Safety Training - Services and Supplies - Claustrophobia
 
MAGNETOM Skyra
 
www.healthcare.siemens.com/magnetic-resonance-imaging/0-35-to-1-5t-mri-scanner/magnetom-skyra/ From Siemens Medical Systems; Received FDA clearance in 2010.
MAGNETOM Skyra is a top-of-the-line, patient friendly wide bore 3 Tesla MRI system.
The system is equipped with the Tim 4G and Dot system (Total imaging matrix and Day optimizing throughput), to enhance both productivity and image quality with the complete range of advanced applications for clinical routine and research. Tim 4G features lighter, trimmer MRI coils that take up less space inside the magnet but deliver a high coil element density with increased signal to noise ratio and the possibility to use high iPAT factors.
Device Information and Specification
CLINICAL APPLICATION
Whole Body
CONFIGURATION
Open bore
3 Tesla
Head, spine, torso/ body coil, neurovascular, cardiac, neck, shoulder, knee, wrist, foot//ankle and multi-purpose flex coils. Peripheral vascular, breast, shoulder.
CHANNELS (min. / max. configuration)
48, 64, 128
Chemical shift imaging, single voxel spectroscopy
IMAGING TECHNIQUES
iPAT, mSENSE and GRAPPA (image, k-space),CAIPIRINHA (k-space), noncontrast angiography, plaque imaging, radial motion compensation, Dixon
MINIMUM TR
3D T1 spoiled GRE: 0.95 (256 matrix)
MINIMUM TE
3D T1 spoiled GRE: 0.22 (256 matrix), Ultra-short TE
FOV
0.5 - 50 cm
BORE DIAMETER
or W x H
At isocenter: L-R 70 cm, A-P (with table) 55 cm
TABLE CAPACITY
250 kg
MAGNET WEIGHT (gantry included)
5768 kg
DIMENSION H*W*D (gantry included)
173 x 231 x 219 cm
5-GAUSS FRINGE FIELD
2.6 m / 4.6 m
CRYOGEN USE
Zero boil off rate, approx. 10 years
COOLING SYSTEM
Water; single cryogen, 2 stage refrigeration
up to 200 T/m/s
MAX. AMPLITUDE
45 mT/m
3 linear with 20 coils, 5 nonlinear 2nd-order
POWER REQUIREMENTS
380 / 400 / 420 / 440 / 460 / 480 V, 3-phase + ground; 110 kVA
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MRI Resources 
Equipment - Crystallography - Stent - Bioinformatics - Liver Imaging - Knee MRI
 
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