Patent ID: 6876198

Claim:
A magnetic resonance imaging apparatus for obtaining tomograms by repeatedly performing measurement of echo signals generated due to nuclear magnetic resonance, comprising: a magnetic circuit for applying a static magnetic field to an object to be examined, which has an open structure; gradient magnetic field generating means for applying a gradient magnetic field to the object; a sequencer for repeatedly applying the gradient magnetic field and a radio-frequency magnetic field with a predetermined pulse sequence; a transmission system for irradiating the radio-frequency magnetic field so as to generate nuclear magnetic resonance in atomic nuclei in a tissue of the object; a reception system for detecting each signals generated due the nuclear magnetic resonance; a signal processing system for making one image, using the echo signals detected by said reception system; and means for displaying the obtained image, wherein said reception system is constructed by overlapping plural coils and thus detects plural series of echo signals with a reduction of phase encoding operations; said signal processing system performs an image reconstruction operation in parallel on the plural series of echo signals divided into plural regions, and combines images of the plural regions into one image; said sequencer executes a rapid imaging sequence, and performs measurement by measuring data in one part of a k space and reusing the data measured in an other part of the k space, and the apparatus further comprises image renewal means for renewing the cross-section to be imaged according to positional information of any angle and direction.