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Result : Searchterm 'Upright' found in 1 term [] and 5 definitions []
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Upright™ MRIInfoSheet: - Devices -
Types of Magnets, 
etc.MRI Resource Directory:
 - Devices - From FONAR Corporation;
in October of 2004, the company changed the product name of the Stand-Up™ MRI to the UprightMRI. The Indomitable™, UprightMRI 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 UprightMRI 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
SURFACE COILS Solenoid ("Wrap-around") and planar RF receiver coils
SINGLE/MULTI SLICE 0.1 sec per slice
MULTISLICE 0.1 sec per slice
FOV Min. 6.0 cm
MAGNET TYPE Iron-frame electromagnet
or W x H
45.72 cm horizontal
POWER REQUIREMENTS 380/400/415/440/480 V
COOLING SYSTEM TYPE Water, closed-loop
5 GAUSS FRINGE FIELD, radial/axial
SHIMMING active, passive
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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    
FONAR Wins The Wall Street Journal Technology Innovation Award For 2007 For the FONAR UPRIGHT™ Multi-Position™ MRI
Monday, 1 October 2007   by    
MRI Resources 
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FONAR CorporationMRI Resource Directory:
 - Manufacturers - The company is a leading manufacturer and developer of magnetic resonance imaging (MRI) scanners. The Patient Friendly MRI Company, formed in 1978, is engaged in the business of inventing, manufacturing, selling and servicing magnetic resonance imaging (MRI) scanners. FONAR is the oldest MRI company in the world. After receiving hundreds of millions in a windfall from protecting their MRI patents, they made a MRI scanner that no other MRI manufacturer has. One that the patient stands in and they call Indomitable, the Stand-Up MRI. Patients like it because it is the least claustrophobic, most comfortable MRI on the market. Doctors like it because of its superior image quality and for the first time, the patient can be scanned in the weight-bearing position, or the position of pain or symptom. In October of 2004, the company changed the product name of the Stand-Up MRI to the Upright MRI. Fonar introduced the first "open" MRI scanner in 1980 and is the originator of the iron-core nonsuperconductive and permanent magnet technology.
Product Lines:
Upright™ MRI
QUAD™ 12000 - Its 19-inch gap and Whisper Gradients™ make it extraordinarily spacious, quiet and comfortable. With its signal to noise advantage of 0.6 T and its comprehensive array of Organ-Specific™ receiver coils, the QUAD™ 12000 provides high-speed, high resolution and high contrast scanning. Product Specification
OR 360°™ - cleared for marketing by the FDA in March 2000, 360° access to the patient. A dual-purpose scanner, it can be used for conventional diagnostic scanning when not in surgical mode. Product Specification
Open Sky MRI™ - A dual purpose scanner for high-throughput scanning. Product Specification
Echo™ - open, comfortable, compact, reliable, easily sited and economical. Product Specification
Scanners in progress - Pinnacle™, a high-field superconducting Open MRI - mpExtremity MRI™, a small, in-office, weight-bearing MRI for extremities.
Contact Information
MAIL FONAR Corporation
110 Marcus Drive
Melville, N.Y. 11747
PHONE +1-631-694-2929
FAX +1-631-390-7766

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Further Reading:
FONAR Announces Fiscal 2014 Second Quarter Earnings Results
Friday, 14 February 2014   by    
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Monday, 8 December 2014   by    
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Thursday, 4 December 2003   by    
MRI Resources 
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Open MRIForum -
related threads
Open MRI scanners have been developed for people who are anxious or obese or for examination of small parts of the body, such as the extremities (knee, shoulder). In addition, some systems offer imaging in different positions and sequences of movements. The basic technology of an open MRI machine is similar to that of a traditional MRI device. The major difference for the patient is that instead of lying in a narrow tunnel, the imaging table has more space around the body so that the magnet does not completely surround the person being tested.
Types of constructions:
Semi open high field MRI scanners provide an ultra short bore (tunnel) and widely flared ends. In this type of MRI systems, patients lie with the head in the space outside the bore, if for example the hips are examined.
Open low field MRI machines have often a wide open design, e.g. an open C-arm scanner is shaped like two large discs separated by a large pillar. Patients have an open sided feeling and more space around them allows a wider range of positions.
Advanced open MRI scanners combine the advantages of both, the high field strength, newest gradient technology and wide open design. Even scans of patients in upright, weight-bearing positions are possible (e.g. Upright™ MRI formerly Stand-Up MRI).

Difficulties with a traditional MRI scan include claustrophobia and patient size or, for health related reasons, patients who are not able to receive this type of diagnostic test. The MRI unit is a limited space, and some patients may be too large to fit in a narrow tunnel. In addition, weight limits can restrict the use of some scanners. The open MRI magnet has become the best option for those patients.
All of the highest resolution MRI scanners are tunnels and tend to accentuate the claustrophobic reaction. While patients may find the open MRI scanners easier to tolerate, some machines use a lower field magnet and generates lower image quality or have longer scan time. The better performance of an advanced open MRI scanner allows good image quality caused by the higher signal to noise ratio with maximum patient comfort.
See also Claustrophobia, MRI scan and Knee MRI.

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Searchterm 'Upright' was also found in the following services: 
News  (88)  Forum  (3)  
A type of magnet that utilizes coils of wire, typically wound on an iron core, so that as current flows through the coil it becomes magnetized. The direction of the magnetic field is parallel to the long axis of the coil. Whole body electromagnets, used in medical imaging (also called resistive) are limited to their field strength, because the weight becomes prohibitively large at high field MRI. The magnetic field shuts down, if the current is switched of. Because this type of magnet generates heat, a good cooling system is essential.
For a stronger magnetic field, the wires must be manufactured of superconducting materials to reduce the power needed to produce the field.
See also Resistive Magnet, Superconducting Magnet and Upright™ MRI


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Further Reading:
What types of magnets are there?
  News & More:
Continued access to MRI for patients in Europe
Wednesday, 12 June 2013   by    
Concentration And Visuospatial Awareness Affected By MRI Scanners
Thursday, 30 August 2012   by    
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Monday, 15 October 2007   by    
Superconductors Face the Future
Wednesday, 15 September 2010   by    
MRI Resources 
Most Wanted - Homepages - Software - MRI Centers - Examinations -
MRI hardware includes the electrical and mechanical components of a scanning device.
The main hardware components for the MRI machine are:
The magnet establishing the B0 field to align the spins.
Within the magnet are the gradient coils for producing variations in B0 in the X, Y, and Z directions to make a localization of the received data possible.
Within the gradient coil or directly on the object being imaged is the radio frequency (RF) coil. This RF coil is used to establish the B1 magnetic field necessary to excite the spinning nuclei. The RF coil also detects the signal emitted from the spins within the object being imaged.
The RF amplifier increases the power of the pulses.
The analog to digital converter converts the received analog raw data into digital values.
Depending on the design of the device and the body part being imaged the patient is positioned inside the magnet (e.g. on a movable table or standing upright).
The MRI scan room is surrounded by a RF shield (Faraday cage).
In addition, a computer console, a display, and a film printer belong to the MRI equipment.

See also the related poll result: 'Most outages of your scanning system are caused by failure of'
Radiology-tip.comCT Scanner,  Gamma Camera
Radiology-tip.comUltrasound Machine

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Imaging Hardware
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Wednesday, 22 April 2015   by    
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Sunday, 19 June 2011   by    
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