Patent ID: 7242193

Claim:
A magnetic resonance apparatus comprising: a magnetic resonance data acquisition device having a body coil configured to surround an examination subject, said body coil comprising a plurality of resonator segments distributed around said circumference, said resonator segments being electromagnetically decoupled from each other, said examination subject occupying a volume within said body coil comprising a first sub-volume in which the subject exhibits substantially no movement and at least one second sub-volume in which the subject exhibits movement; a control device that operates said magnetic resonance data acquisition device and that is connected to said body coil, and that excites magnetic resonance spins substantially only in said first sub-volume by individually activating the respective resonator segments thereof to generate a radio-frequency field substantially only in said first sub-volume, and to maintain said at least one second sub-volume within said circumference substantially free of said radio-frequency field; and said control unit operating said magnetic resonance data acquisition device exciting magnetic resonance spins substantially only in said first sub-volume to acquire magnetic resonance data produced by said magnetic resonance spins, in a form allowing reconstruction of an image of the subject in the first sub-volume, said data being substantially free of image artifact-causing aberrations as a result of being produced substantially only in said first sub-volume.