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Apparatus and method for recording radiation image data of an object

a radiation image and apparatus technology, applied in the field of radiation examination, can solve the problems of time-consuming and laborious tomosynthesis, and achieve the effect of reliable, accurate and inexpensiv

Inactive Publication Date: 2009-04-09
XCOUNTER
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  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0006]A further object of the invention is to provide such apparatus and method, which are uncomplicated and can record radiation image data for producing a high-quality three-dimensional radiation image such as three-dimensional tomosynthesis image and a high-quality two-dimensional radiation image such as a two-dimensional projection image with high spatial resolution, signal-to-noise ratio, dynamic range, and image contrast, while the imaging object is exposed to a minimum of radiation.
[0008]A yet further object of the invention is to provide such method and apparatus, which are reliable, accurate, and inexpensive.

Problems solved by technology

To use such a detector in tomosynthesis, wherein a plurality of images has to be acquired at different angles would be very time consuming.

Method used

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  • Apparatus and method for recording radiation image data of an object
  • Apparatus and method for recording radiation image data of an object

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Embodiment Construction

[0019]The apparatus of FIG. 1 comprises a support structure 2, to which a radiation source arrangement 3, a collimator / filter arrangement 4, and a detector arrangement 6 are secured, preferably rigidly secured.

[0020]The radiation source arrangement 3 is provided for emitting radiation and comprises preferably a divergent X-ray tube, which produces X-rays centered around an axis of symmetry.

[0021]The detector arrangement 6 is provided for detecting radiation which has interacted with the object. Typically, the detector arrangement 6 comprises one or several stacks of one-dimensional detectors.

[0022]In one embodiment the detector arrangement 6 comprises a stack of line detectors, each being directed towards the radiation source arrangement 2 to allow a ray bundle of the radiation that propagates in a respective one of a plurality of different angles to enter the line detector, and each one of the line detectors is provided to record line images of radiation as transmitted through the ...

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Abstract

An apparatus for recording radiation image data of an object comprises a radiation source arrangement provided for emitting radiation; an object holder arranged in the radiation path of the emitted radiation and provided for housing the object during the recordation of the radiation image data; a detector arrangement for detecting radiation which has interacted with the object; a support structure, to which the radiation source and detector arrangements are secured; and a scanning device provided for moving either one of the support structure or the object holder with respect to the other one of the support structure or the object holder in a conical pendulum movement while the detector arrangement is provided for detecting radiation which has interacted with the object.

Description

PRIORITY STATEMENT[0001]This application claims benefit of priority under 35 § U.S.C. 119 from Swedish Patent Application No. 0702258-5 filed Oct. 9, 2007, in the Swedish Patent Office, the disclosure of which is incorporated herein by reference in its entirety.FIELD OF THE INVENTION[0002]The invention relates generally to radiation examination, and particularly to an apparatus and a method for recording radiation image data of an object.BACKGROUND OF THE INVENTION AND RELATED ART[0003]In X-ray medical diagnostics one or more images of a part of a patient such as an abdominal organ thereof, which is to be examined, is created. In tomosynthesis imaging a plurality of images is acquired at different angles. By shifting and adding the plurality of images, it is possible to reconstruct any plane in the patient being examined.[0004]Further, various line detectors for detecting ionizing radiation are known in the art. While such detectors provide for instantaneous one-dimensional imaging,...

Claims

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Application Information

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IPC IPC(8): G03C5/16A61B6/40A61B6/00
CPCG03B42/02A61B6/027G01T1/2985G01T7/00A61B6/025A61B6/06A61B6/4035A61B6/4452A61B6/482H05G1/02
Inventor SOKOLOV, SKIFFULLBERG, CHRISTERFRANCKE, TOM
Owner XCOUNTER
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