Off-magnet patient scan positioning
A positioning system and positioning method technology, applied in the field of medical imaging technology, can solve problems such as movement discomfort, and achieve the effect of reducing delay period and improving throughput
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[0025] refer to figure 1 and figure 2 The magnetic resonance imaging scanner 10 includes a housing 12 that includes a plurality of components including at least a main magnet, magnetic field gradient coils, and one or more radio frequency coils (internal components not shown). Preferably, the main magnet is superconducting and cryoshrouded. Housing 12 defines a lumen 14 within which is placed an object to be imaged. Magnetic field gradient coils for spatially encoding magnetic resonance signals are housed in housing 12 or disposed within cavity 14, and one or more radio frequency coils and magnetic field gradient coils are used in conjunction to generate, shape and detect imaging objects. Other optional components of the resonant signal are also housed in the housing 12 or disposed within the inner cavity 14 .
[0026] In MRI, a patient 16 or other imaging subject is positioned within a lumen 14 of a main magnet, wherein the main magnet generates a static main magnetic fie...
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