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Result : Searchterm 'Surface Coil' found in 2 terms [] and 87 definitions []
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Searchterm 'Surface Coil' was also found in the following services: 
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News  (1)  Resources  (2)  Forum  (4)  
 
MAGNETOMâ„¢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 Espreeâ„¢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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    • Open MRI
    • Superconducting Magnet
 
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 
Open Directory Project - Distributors - Pregnancy - Software - MRI Technician and Technologist Schools - Colonography
 
MRP-7000â„¢InfoSheet: - Devices -
Intro, 
Types of Magnets, 
Overview, 
etc.MRI Resource Directory:
 - Devices -
 
www.hitachimed.com/products/mrp.asp From Hitachi Medical Systems America, Inc.;
because of its dependability, the MRP-7000â„¢ remains popular more than a decade after the first U.S. system was shipped. This system maintains a high resale value, what has made it one of the most sought-after scanners on the used MRI equipment market.
Device Information and Specification
CLINICAL APPLICATION
Whole body
CONFIGURATION
Vertical Orientation Field
DualQuad T/R Body Coil, MA Head, MA C-Spine, MA Shoulder, MA Wrist, MA CTL Spine, MA Knee, MA TMJ, MA Flex Body (3 sizes), Neck, small and large Extremity, PVA (WIP), Breast (WIP), Neurovascular (WIP), Cardiac (WIP) and MA Foot//Ankle (WIP)
SYNCHRONIZATION
Cardiac gating, ECG/peripheral, respiratory gating (2 modes)
PULSE SEQUENCES
SE, GE, GR, IR, FIR, STIR, ss-FSE, FSE, DE-FSE/FIR, FLAIR, ss/ms-EPI, ss/ms EPI- DWI, SSP, MTC, SE/GE-EPI, MRCP, SARGE, RSSG, TRSG, BASG, Angiography: CE, PC, 2D/3D TOF
IMAGING MODES
Single, multislice, volume study
MAGNET TYPE
Permanent, self shielded
STRENGTH
8 mT/m
5-GAUSS FRINGE FIELD
horizontal 2.5 m x 2.1 m vertical
Auto shimming, 3-axis/patient and active shimming
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MRI Resources 
Health - Pregnancy - Research Labs - General - Resources - Online Books
 
MSK-Extremeâ„¢InfoSheet: - Devices -
Intro, 
Types of Magnets, 
Overview, 
etc.MRI Resource Directory:
 - Devices -
 
www.onicorp.com/ From ONI Medical Systems, Inc.;
MSK-Extremeâ„¢MRI system is a dedicated high field extremity imaging device, designed to provide orthopedic surgeons and other physicians with detailed diagnostic images of the foot, ankle, knee, hand, wrist and elbow, all with the clinical confidence and advantages derived from high field, whole body MRI units. The light weight (less than 650 kg) of the OrthOne System performs rapid patient studies, is easy to operate, has a patient friendly open environment and can be installed in a practice office or hospital, all at a cost similar to a low field extremity machine.
New features include a more powerful operating system that offers increased scan speed as well as a 160-mm knee coil with higher signal to noise ratio, and the option of a CD burner.
Device Information and Specification
CLINICAL APPLICATION
Dedicated extremity imaging
CONFIGURATION
16 cm knee, 18 cm lower extremity;; 12.3 cm upper extremity, additional high resolution v-SPEC Coils: 80 mm, 100 mm, or 145 mm.
SYNCHRONIZATION
No
PULSE SEQUENCES
SE, FSE, GE2D, GE3D, Inversion recovery (IR), Driven Equilibrium, Fat Saturation (FS), STIR, MT, PD, Flow Compensation (FC), RF spoiling, MTE, No Phase Wrap (NPW)
IMAGING MODES
Scout, single, multislice, volume
TR
10-10,000ms; 1ms steps
TE
5-150ms; 1 ms steps
SINGLE/MULTI SLICE
2D less than 200 msec/image
4cm-16cm
2D: 2mm-10mm/.1mm incr.
Up to 1,000x1,000
MEASURING MATRIX
X/Y: 64-512; 2 pixel steps
PIXEL INTENSITY
4,096 grey lvls; 256 lvls in 3D
28cm ID x 50cm L
MAGNET WEIGHT
635 kg
H*W*D
146 x 69 x 84 cm
POWER REQUIREMENTS
115VAC, 1phase, 20A; 208VAC, 3 phase, 30A
COOLING SYSTEM TYPE
LHe with 2 stage cold head
Negligible
STRENGTH
15 mT/m
5-GAUSS FRINGE FIELD
1.25m radial x 1.8m axial
Passive
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Further Reading:
  Basics:
MSK Extreme Brochure(.pdf)
   by www.nova-logic.ch    
MSK Extreme Specifications(.pdf)
   by www.nova-logic.ch    
Searchterm 'Surface Coil' was also found in the following services: 
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News  (1)  Resources  (2)  Forum  (4)  
 
Multiple Coil ArrayInfoSheet: - Coils - 
Intro, 
Overview, 
etc.
 
RF coils, usually in receive mode, arranged to cover the whole region of interest. It has both the spatial coverage of a large region-of-interest coil and the high SNR of a surface coil.
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Further Reading:
  Basics:
System Architecture
2003   by www.revisemri.com    
MRI Resources 
MRI Technician and Technologist Career - Contrast Agents - - Universities - Jobs pool - MRI Reimbursement
 
Normalization Filter
 
This function equalizes the signal intensity when surface coils are used. By using this filter, the signal intensity of the region close to the coil is reduced, and the signal intensity of the area remote to the coil is increased. Also called homogeneity correction.
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MRI Resources 
Collections - Nerve Stimulator - Implant and Prosthesis pool - Functional MRI - Examinations - MRA
 
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