US5617028 Mar 9, 1995 Apr 1, 1997 Board Of Trustees Of The Leland Stanford Junior University Magnetic field inhomogeneity correction in MRI using estimated linear magnetic field mapUS5617028 * 1995年3月9日 1997年4月1日 Board Of Trustees Of The Leland Stanford Junior University Magnetic field ...
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1.5T MRI Scanners A new standard for efficiency, ease of use and care. Each scanner has been built with the needs of diverse hospitals and institutions in mind. Prev New MAGNETOM Flow. Platform1 Empowering you. MAGNETOM Sola Leading the field ...
Magnetic field gradients are needed to encode the signal spatially. They produce a linear variation in magnetic field intensity in a direction in space. This variation in magnetic field intensity is added to the main magnetic field, which is far more powerful. The variation is produced by pairs...
Because of the strong magnetic field, any items containing metal are not allowed in the exam room. These items include: Electronics Jewelry and watches Hairpins Credit Cards Zippers Hearing Aids Dentures Body piercings Metallic surgical implants or metal fragments can interfere with the test and can...
Magnetic field due to a hypothetical dipole magnetic moment (µ )is a vector quantity used to measure the tendency of an object to interact with an external magnetic field. In NMR, the object of interest is typically a molecule, atom, nucleus, or subatomic particle. The object's intrinsic...
Magnetic resonance imaging (MRI) is a noninvasive tool that uses a magnetic field along with radio waves to produce detailed images of the brain, spinal cord, or other body areas. Preliminary studies suggest that MRI may help identify signs of amyotrophic lateral sclerosis (ALS) earlier, but ...
“They then have to remap the magnetic field to make sure the shimming has had the desired effect in terms of field homogeneity.” Think small As well as applications in whole-body MRI, Metrolab’s magnetic-field camera and probe arrays are also suitable for use with smaller-scale MRI ...
What metal objects shouldn’t go into the MRI machine? No metal is allowed in the MRI room, because the magnetic field in the machine is attracted to it. On the day of the test, wear loose, comfortable clothing that doesn't have snaps or other metal fasteners. You might need to take...