Supplementary system for interferometric x-ray imaging and projective x-ray device
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United States of America Patent
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Apr 30, 2019
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Jan 19, 2017
app pub date -
Feb 24, 2015
filing date -
Mar 3, 2014
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Abstract
An X-ray device and a supplementary system are provided for interferometric X-ray imaging of a patient on the X-ray device in order to generate projective absorption recordings. An emitter-detector system includes a focus-forming X-ray tube and a digital flat-panel detector having a multiplicity of pixel-generating detector elements. A computer system has a program memory. A mobile grating attachment includes a first interferometric X-ray grating, a second interferometric X-ray grating disposed at a distance from the first X-ray grating in the radiation direction, and a displacement device for displacing the second X-ray grating in the plane of the second X-ray grating in steps over at least one detector element.
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