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Device for suspending an x-ray grid and method for operating an x-ray grid

An X-ray and grid technology, which is applied to the device for suspending the X-ray grid and the field of operating the X-ray grid, can solve the problem that the grid is not easy to use, and achieve a more cost-effective effect

Active Publication Date: 2021-03-19
SIEMENS HEALTHCARE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, this type of grid is not easy to use in conventional X-ray angiography equipment, because during the movement of the carriage of the angiography equipment, the focal point of the X-ray emitter moves due to elastic deformation in the equipment
This can lead to undesired shadowing effects and uncompensable artifacts in X-ray imaging

Method used

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  • Device for suspending an x-ray grid and method for operating an x-ray grid
  • Device for suspending an x-ray grid and method for operating an x-ray grid
  • Device for suspending an x-ray grid and method for operating an x-ray grid

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Embodiment Construction

[0031] figure 1 Means for suspending an X-ray grid are shown. It is made in one piece from sheet metal. The device generally consists of three parts. Outside is a fixed frame 12 in which the second rotating frame 7 is mounted rotatably about the second axis 8 by means of two second flexible elements 9 . The second flexible element 9 is embodied as a plastic hinge.

[0032] In plastic theory, a plastic hinge is one that is implemented by a load-bearing structure if the yield strength is exceeded. It is therefore not a true hinge as a separate part, but a point on the structure or load-bearing structure which acts as a hinge when stressed, this plastic hinge being characterized by as large a mechanical deformation as possible. A prerequisite for doing so is usually the use of ductile materials that allow significant plastic deformation without completely collapsing.

[0033] In the second rotating frame 7 the first rotating frame 2 is mounted rotatably about the first axis ...

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Abstract

The invention specifies a device for suspending an X-ray grid (1) having a first rotating frame (2) rotatable about a first axis (3), on which the X-ray grid (1) is arranged In or on a rotating frame, and two hinged first flexible elements (4) connected to the first rotating frame (2) and aligned along a first axis (3), about which first flexible The element bidirectionally rotatably mounts the first rotating frame (2). Furthermore, the invention specifies an arrangement with a device of this type and a method for operating an arrangement of this type. The advantage of the invention is that the use of articulated flexible elements is completely play-free and significantly more cost-effective compared to known solutions.

Description

technical field [0001] The invention relates to a device for rotatably suspending an x-ray grid, an arrangement with a rotatably mounted x-ray grid and a method for operating an x-ray grid. The X-ray grid can also be a diffuse radiation grid. Background technique [0002] In X-ray imaging, scattered radiation is filtered out upstream of the image receiver using a scattered radiation grid (=grid) in order to improve the image quality. The new production method allows the construction of diffuse radiation gratings with a high aspect ratio (=height of the structure relative to the period of the structure). They are called "super-gratings". [0003] However, grids of this type are not easy to use in conventional X-ray angiography devices because during movement of the carriage of the angiography device the focus of the X-ray emitter moves due to elastic deformations in the device. This can lead to undesired shadowing effects and uncompensable artifacts in X-ray imaging. [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/00
CPCA61B6/44A61B6/504A61B6/4291A61B6/4441A61B6/484A61B6/58G21K1/06G21K2207/005G21K1/025A61B6/4429
Inventor A·克拉默T·韦伯J·泽德勒
Owner SIEMENS HEALTHCARE GMBH
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