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Services and Supplies - Fluorescence - Implant and Prosthesis pool - Crystallography - Case Studies - Safety pool
 
Unidentified Bright ObjectInfoSheet: - Artifacts -
Case Studies, 
Reduction Index, 
etc.MRI Resource Directory:
 - Artifacts -
 
(UBO) Subcortical 'bright objects' are commonly displayed on high field MR of the brain. These subcortical high signal intensity foci have been verified to be caused by tangential cross-sectional images of gyri and sulci.
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Further Reading:
  Basics:
Image Characteristics and Quality
   by www.sprawls.org    
Units and Measurements
 
Most units and measurements used in MRI can be found in the lookup table.
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Further Reading:
  Basics:
Welcome to NODC Unit Conversion Guide
Monday, 4 August 2003   by www.nodc.noaa.gov    
How Many? A Dictionary of Units of Measurement © Russ Rowlett and the University of North Carolina at Chapel Hill
Wednesday, 21 March 2001   by www.unc.edu    
MRI Resources 
IR - Mass Spectrometry - Contrast Agents - Databases - MR Guided Interventions - Artifacts
 
Unshielded Electric Components
 
Unshielded electric components in the magnet room will excite RF noise artifacts (interference) in different variations. RF 'buzz' will be seen over a range of frequencies on the images. The artifact runs in frequency encoding direction.
mri safety guidance
Image Guidance
Take care to use only MR compatible (special shielded) devices.

See also MR Compatibility.
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Further Reading:
  News & More:
Electrical Noise in Intraoperative Magnetic Resonance Imaging reveals the intricacies of human brain – integrated consciousness with connectors to chilled universe
Sunday, 18 January 2009   by www.indiadaily.com    
Upperton LimitedMRI Resource Directory:
 - Developers -
 
www.upperton.com/products.htm Research Project Description
Lung Imaging X-ray and MRI contrast agents for lung MRI applications.
Blood Pool Imaging MRI contrast agents for vascular and targeted imaging.

Nuclear Imaging Agents based on recombinant human albumin for nuclear imaging.
Contact Information
MAIL
Upperton Limited
Dr Richard Johnson
PO Box 6861
Nottingham, NG2 5PF
Great Britain
PHONE
+44-(0)115-945-2378
FAX
+44-(0)115-945-2378
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Further Reading:
  Basics:
Blood-Pool Imaging Using Technetium-99m-Labeled Liposomes(.pdf)
   by jnm.snmjournals.org    
Upright™ MRIInfoSheet: - Devices -
Intro, 
Types of Magnets, 
Overview, etc.MRI Resource Directory:
 - Devices -
 
www.fonar.com/standup.htm www.fonar.com/standup.htm www.fonar.com/standup.htm From FONAR Corporation;
in October of 2004, the company changed the product name of the Stand-Up™ MRI to the Upright™ MRI. The Indomitable™, Upright™ MRI is the only open MRI in the world that can perform positional MRI (pMRI), i.e. the Upright MRI™ scans patients in upright, weight-bearing positions, in addition to the conventional lie-down positions. The Upright™ MRI is the only device that can scan patients in the position their symptoms occur, in their position of pain. In early clinical reports independently confirm the effectiveness and potential of positional MRI. In October 2000, Fonar received permission to market the Indomitable™ from the FDA.
Device Information and Specification
CLINICAL APPLICATION
Whole body - weight-bearing MRI - position imaging (flexion, extension, bending, standing, sitting and recumbent scanning)
CONFIGURATION
Front-open and Top-open MRI
Solenoid ("Wrap-around") and planar RF receiver coils
SINGLE/MULTI SLICE
0.1 sec per slice
MULTISLICE
0.1 sec per slice
Min. 6.0 cm
Min. 0.8 mm (3DFT)
MEASURING MATRIX
128 - 512
MAGNET TYPE
Iron-frame electromagnet
45.72 cm horizontal
POWER REQUIREMENTS
380/400/415/440/480 V
COOLING SYSTEM TYPE
Water, closed-loop
CRYOGEN USE, L/hr
-
STRENGTH
12 mT/m
5 GAUSS FRINGE FIELD, radial/axial
active, passive
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• View the NEWS results for 'Upright™ MRI' (9).Open this link in a new window.

• View the DATABASE results for 'Upright™ MRI' (5).Open this link in a new window

 
Further Reading:
  Basics:
Product Information - Fonar Corporation
  News & More:
Landmark Independent Study by UCLA School of Medicine Reports Comparison of Dynamic™ Upright® MRI With Static Upright MRI in More Than 1,000 Patients (1,302):
Thursday, 15 November 2007   by www.fonar.com    
FONAR Wins The Wall Street Journal Technology Innovation Award For 2007 For the FONAR UPRIGHT™ Multi-Position™ MRI
Monday, 1 October 2007   by www.fonar.com    
MRI Resources 
Patient Information - Brain MRI - Blood Flow Imaging - Colonography - Supplies - Research Labs
 
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