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CT (computed tomography) equipment and usage method thereof

A technology of equipment and deflection direction, which is applied in mechanical equipment, X-ray equipment, diagnosis, etc., and can solve the problem that ultra-high-speed scanning cannot be further realized

Active Publication Date: 2014-07-09
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The above methods can speed up the scanning speed to a certain extent, but they cannot further realize ultra-high-speed scanning and tomographic imaging of high-speed moving objects

Method used

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  • CT (computed tomography) equipment and usage method thereof
  • CT (computed tomography) equipment and usage method thereof
  • CT (computed tomography) equipment and usage method thereof

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Embodiment Construction

[0038] Specific embodiments of the present technology will be described in detail below, and it should be noted that the embodiments described here are only used for illustration, and are not intended to limit the present technology. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the technology. It will be apparent, however, to one of ordinary skill in the art that these specific details need not be employed to practice the present technology. In other instances, well-known structures, materials or methods have not been described in detail in order to avoid obscuring the present technology.

[0039] Throughout this specification, reference to "one embodiment," "an embodiment," "an example," or "an example" means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in the present technology. In at least one embodiment. Thus, appearances ...

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Abstract

The invention discloses CT (computed tomography) equipment and a usage method thereof. The CT equipment comprises an electron beam generating device, an annular reflection target and an annular detector array, wherein the electron beam generating device comprises an electron gun, deflection scanning devices and a current-limiting device; the electron gun generates electron beams; the deflection scanning devices deflect the electron beams, and the deflection directions are changed along with time to realize annular scanning; the current-limiting device is provided with a plurality of holes arranged annularly; when the electron beams carry out scanning along the holes arranged annularly, a plurality of electron beams distributed annularly are output; the annular reflection target and the annularly-distributed electron beams are coaxially arranged; the electron beams bombard the annular reflection target to generate X rays intersecting with the axes of the electron beams distributed annularly; the annular detector array is coaxially arranged with the annular reflection target and comprises a plurality of detector units; and the X rays enter the corresponding detector units after penetrating through a detected object.

Description

technical field [0001] The technology relates to medical imaging, industrial detection and other fields. It can be directly applied to medical applications that require ultra-high-speed imaging, and can also be used in industrial applications such as non-destructive testing. Background technique [0002] CT is the abbreviation of Computed Tomography, that is, computerized tomography technology, which is a scanning method that uses computer technology to reconstruct the tomographic image of the measured object to obtain a three-dimensional tomographic image. The scanning method is to penetrate the measured object through the rays of a single axis, and according to the different absorption and transmittance of each part of the measured object, the transmitted rays are collected by the computer and imaged through three-dimensional reconstruction. The CT mentioned in this patent refers to X-ray CT unless otherwise specified. [0003] According to the development, CT can be div...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/04A61B6/03H05G1/46
CPCA61B6/032A61B6/035A61B6/4028A61B6/4275F04C2270/041G01N23/046G01N2223/419H01J35/147H05G1/10
Inventor 康克军唐传祥赵自然张哲
Owner TSINGHUA UNIV
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