NMR tomography method with 2D spatial encoding using two multipole gradient fields

摘要

a method of magnetic resonance imaging (mri).and with the help of a gradientensystems (1) a fluctuating magnetic field in space and time bgrad is generated to at least two-dimensional ortscodierung of nmr messsignalen in a abzubildenden area a messprobe,with the magnetic field bgrad during a single series of encourage to read out the nmr messignale in at least two manifestations bgrad1 (semc) and bgrad2 (semic) in the field of messprobe abzubildenden usedwith the first form bgrad1 (semc) essentially ns pole is trained with an even number equal to or greater than 2 ns and ns essentially sektorfu00f6rmige strands, each of which is locally in a direction of the magnetic field bgrad monotonous course.with the opening of the messprobe are using at least ns empfangsspulen (61 a, 61 (b) is what a different sensitivity of the ns components of abzubildenden area which is characterized by the fact that the second form bgrad2 (semic) substantially en identical to first form bgrad1 (semc) is trainedwith the second type bgrad2 (semic) to the first form bgrad1 (semc) by an angle u0394u03d5, u0394u2062u03c6 = 360u2062u00b02u22c5ns, twisted st., the invention is a multipurpose nmr methods, in which the use of the benefits of a good aufgelu00f6 nbsem faster ste figure of abzubildenden area is obtained.