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Magnetic shielding of x-ray emitter

An x-ray and transmitter technology, applied in the field of x-ray transmitters, can solve problems such as the deterioration of the resolution of the x-ray system, and achieve the effects of improving processing and diagnosis efficiency, reducing interference, and reducing induction

Inactive Publication Date: 2017-01-25
SIEMENS HEALTHCARE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The movement of the focal point degrades the resolution of the x-ray system

Method used

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  • Magnetic shielding of x-ray emitter
  • Magnetic shielding of x-ray emitter
  • Magnetic shielding of x-ray emitter

Examples

Experimental program
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Embodiment Construction

[0063] figure 1 An exemplary embodiment of a schematic diagram of a spherical housing 3 of an x-ray tube 5 is shown. The x-ray tube 5 includes an anode (eg a rotating anode or a stationary anode) and a cathode (not shown). Additional components (such as anode drivers, leads and terminals) may be present. Also, protrusions and / or indentations may be present on the spherical surface for feeding and / or receiving other components. Electrons emitted by the cathode are accelerated towards the anode along the electron flow trajectory. The electron flow trajectory is aligned parallel to the direction of the electron flow trajectory 9 specified in the figure. The ferromagnetic particles are aligned along a closed path 7 extending approximately in a plane perpendicular to the direction of the electron flow trajectory 9 . A path 7 arranged according to the parallels on the spherical surface occurs for the spherical shell 3 . The ferromagnetic particles generally do not form an end-t...

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Abstract

An x-ray emitter includes a housing. In an embodiment, the housing includes a diamagnetic or paramagnetic housing material and a plurality of ferromagnetic particles. In an embodiment, the ferromagnetic particles are aligned substantially along closed paths. A medical device includes an embodiment of the x-ray emitter. A method is further for producing an embodiment of the x-ray emitter.

Description

technical field [0001] The present invention relates to x-ray emitters and methods for producing x-ray emitters. Background technique [0002] An x-ray emitter consists of an x-ray tube and a housing surrounding the x-ray tube. The x-ray tube itself also includes an envelope, usually embodied as a vacuum envelope. Both types of enclosures typically include soft magnetic materials. [0003] X-ray emitters and particularly x-ray tubes are used in a variety of medical devices including, for example, radiography systems, angiography systems with one or several C-arms, and computed tomography systems. [0004] Publication DE 19901482 B4 specifies a multi-examination apparatus with multiple imaging systems arranged in a room so that a patient lying on a movable patient support bed can be in the imaging system without changing position Examinations are carried out in any of the above wherein, in addition to a magnetic resonance system with actively shielded magnets, a soft magne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J35/16H01J35/14H01J9/24
CPCH01J35/16A61B6/40A61B6/461H01J9/00H01J2235/166H05G1/04H01J9/245H01J35/14
Inventor R·卡斯N·皮科特
Owner SIEMENS HEALTHCARE GMBH
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