Patent ID: 8848863
Filing Date: 2014-09-30
Classification: A61B,G21K

Abstract:
1. A grating arrangement for phase contrast imaging, comprising: a first grating element; a second grating element; and an X-ray detector element; wherein each of the first grating element and the second grating element comprises a trench structure; wherein the trench structure comprises at least one trench region and at least one barrier region; wherein the at least one trench region and at least one barrier region are at least locally arranged in parallel; and wherein the first grating element and the second grating element are arranged such that the trench structure of the first grating element and the trench structure of the second grating element are, at least locally, non-parallel, said arrangement being configured for displacing, in a scanning movement, the first and second grating elements, and said X-ray detector element, as a single unit.