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Interactive Real Time
 
Change of the measurement parameters in real time.
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MRI Resources 
Contrast Agents - Knee MRI - Homepages - Devices - Libraries - IR
 
Signa Contour/i 0.5Tâ„¢InfoSheet: - Devices -
Intro, 
Types of Magnets, 
Overview, 
etc.MRI Resource Directory:
 - Devices -
 
www.gemedical.co.kr/rad/mri/products/contour/contouri.html From GE Healthcare;
GE's Signa Contour/i system uses the innovations like K4 technology and real-time interactive imaging. This compact magnet with wide-flare gantry obtains high patient comfort with low costs.
Device Information and Specification
CLINICAL APPLICATION
Whole body
CONFIGURATION
Compact
Head and body coil standard; all other coils optional; open architecture makes system compatible with a wide selection of coils
SYNCHRONIZATION
ECG/peripheral, respiratory gating
PULSE SEQUENCES
Standard: SE, IR, 2D/3D GRE and SPGR, Angiography;; 2D/3D TOF, 2D/3D Phase Contrast;; 2D/3D FSE, 2D/3D FGRE and FSPGR, SSFP, FLAIR, optional: EPI, 2D/3D Fiesta, FGRET, Spiral
IMAGING MODES
Localizer, single slice, multislice, volume, fast, POMP, multi slab
1 cm to 48 cm continuous
2D 0.8 mm to 20 mm; 3D 0.1 mm to 5 mm
1280 x 1024
MEASURING MATRIX
128x512 steps 32 phase encode
PIXEL INTENSITY
256 gray levels
POWER REQUIREMENTS
480 or 380/415 V
COOLING SYSTEM TYPE
Closed-loop water-cooled gradient
STRENGTH
SmartSpeed 23 mT/m, HiSpeed Plus 33 mT/m
Active
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MRI Resources 
Databases - Bioinformatics - Case Studies - Process Analysis - Calculation - RIS
 
Medical Imaging
 
The definition of imaging is the visual representation of an object. Medical imaging began after the discovery of x-rays by Konrad Roentgen 1896. The first fifty years of radiological imaging, pictures have been created by focusing x-rays on the examined body part and direct depiction onto a single piece of film inside a special cassette. The next development involved the use of fluorescent screens and special glasses to see x-ray images in real time.
A major development was the application of contrast agents for a better image contrast and organ visualization. In the 1950s, first nuclear medicine studies showed the up-take of very low-level radioactive chemicals in organs, using special gamma cameras. This medical imaging technology allows information of biologic processes in vivo. Today, PET and SPECT play an important role in both clinical research and diagnosis of biochemical and physiologic processes. In 1955, the first x-ray image intensifier allowed the pick up and display of x-ray movies.
In the 1960s, the principals of sonar were applied to diagnostic imaging. Ultrasonic waves generated by a quartz crystal are reflected at the interfaces between different tissues, received by the ultrasound machine, and turned into pictures with the use of computers and reconstruction software. Ultrasound imaging is an important diagnostic tool, and there are great opportunities for its further development. Looking into the future, the grand challenges include targeted contrast agents, real-time 3D ultrasound imaging, and molecular imaging.
Digital imaging techniques were implemented in the 1970s into conventional fluoroscopic image intensifier and by Godfrey Hounsfield with the first computed tomography. Digital images are electronic snapshots sampled and mapped as a grid of dots or pixels. The introduction of x-ray CT revolutionised medical imaging with cross sectional images of the human body and high contrast between different types of soft tissue. These developments were made possible by analog to digital converters and computers. The multislice spiral CT technology has expands the clinical applications dramatically.
The first MRI devices were tested on clinical patients in 1980. The spread of CT machines is the spur to the rapid development of MRI imaging and the introduction of tomographic imaging techniques into diagnostic nuclear medicine. With technological improvements including higher field strength, more open MRI magnets, faster gradient systems, and novel data-acquisition techniques, MRI is a real-time interactive imaging modality that provides both detailed structural and functional information of the body.
Today, imaging in medicine has advanced to a stage that was inconceivable 100 years ago, with growing medical imaging modalities:
Single photon emission computed tomography (SPECT)
Positron emission tomography (PET)

All this type of scans are an integral part of modern healthcare. Because of the rapid development of digital imaging modalities, the increasing need for an efficient management leads to the widening of radiology information systems (RIS) and archival of images in digital form in picture archiving and communication systems (PACS). In telemedicine, healthcare professionals are linked over a computer network. Using cutting-edge computing and communications technologies, in videoconferences, where audio and visual images are transmitted in real time, medical images of MRI scans, x-ray examinations, CT scans and other pictures are shareable.
See also Hybrid Imaging.

See also the related poll results: 'In 2010 your scanner will probably work with a field strength of', 'MRI will have replaced 50% of x-ray exams by'
Radiology-tip.comradDiagnostic Imaging
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Medical-Ultrasound-Imaging.comMedical Imaging
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• View the NEWS results for 'Medical Imaging' (81).Open this link in a new window.
 
Further Reading:
  Basics:
Image Characteristics and Quality
   by www.sprawls.org    
Multimodal Nanoparticles for Quantitative Imaging(.pdf)
Tuesday, 13 December 2011   by alexandria.tue.nl    
Medical imaging shows cost control problem
Tuesday, 6 November 2012   by www.mysanantonio.com    
  News & More:
iMPI: An Exploration of Post-Launch Advancements
Friday, 29 September 2023   by www.diagnosticimaging.com    
Advances in medical imaging enable visualization of white matter tracts in fetuses
Wednesday, 12 May 2021   by www.eurekalert.or    
Positron Emission Tomographic Imaging in Stroke
Monday, 28 December 2015   by www.ncbi.nlm.nih.gov    
Multiparametric MRI for Detecting Prostate Cancer
Wednesday, 17 December 2014   by www.onclive.com    
Combination of MRI and PET imaging techniques can prevent second breast biopsy
Sunday, 29 June 2014   by www.news-medical.net    
3D-DOCTOR Tutorial
   by www.ablesw.com    
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MRI is trending to low field magnets :
reduced costs will lead to this change 
AI will close the gap to high field 
only in remote areas 
is only temporary 
never 

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