Patent ID: 8243875
Filing Date: 2012-08-14
Classification: A61B,G06T

Abstract:
1. An imaging method for imaging a region of investigation of an object, comprising: irradiating the region of investigation with at least one energy input beam along a plurality of projection directions, wherein the at least one energy input beam comprises a plurality of individual energy input beam components and has a beam angle describing a divergence of the energy input beam; and shaping the energy input beam using a beam mask made of an energy input shielding material with through holes, each of which transmitting one of the energy input beam components while remaining parts of the energy input beam are shielded, such that at least two of the energy input beam components are provided for irradiating the region of investigation, wherein the at least two of the energy input beam components have different cross-sections and wherein groups of parallel energy input beam components being parallel to one of the projection directions provide a continuous irradiation of the region of investigation, and further wherein the shaping of the energy input beam comprises further steps of setting the beam angle of the energy input beam using an aperture comprising a diaphragm or a shutter and adjusting at least one of the diameter of the aperture and the distance between the aperture and the energy input beam source.