X-ray tube housing, X-ray bulb tube and CT device

An X-ray tube and X-ray technology, which is applied in the field of medical equipment, can solve the problems of high temperature at the window position, reduced service life, and large casing, and achieves the effects of reducing operating temperature, high thermal conductivity and good penetration.

Active Publication Date: 2019-05-07
SHANGHAI UNITED IMAGING HEALTHCARE
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Problems solved by technology

[0004] Based on this, it is necessary to address the technical problem that during the working process, the rays emitted by the X-ray tube are emitted from the window of the housing, resulting in a very high temperature at the window position, which causes a large loss to the housing and greatly reduces its service life. An X-ray tube shell, X-ray tube and CT equipment are provided

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  • X-ray tube housing, X-ray bulb tube and CT device

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Embodiment Construction

[0020] In order to make the purpose, technical solutions and advantages of the present application more clearly understood, the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

[0021] The X-ray tube consists of a metal shell, a cathode assembly and an anode assembly. The filament of the cathode assembly can be energized to generate hot electrons. Driven by the high-voltage electric field at both ends of the cathode and anode, the electrons move at high speed in the high-vacuum intermediate shell and collide On the anode target surface, X-rays are generated by bremsstrahlung, and the X-rays are emitted through the window. Only less than 1% of the energy carried by the high-speed electrons is converted into X-ray energy, and the rest are all con...

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Abstract

The invention relates to a ray tube housing, an X-ray bulb tube and a CT device. The X-ray tube housing includes: a housing body, wherein the housing body is a hollow cylinder, and the material of thehousing body comprises stainless steel; a window formed on the side wall of the housing body, wherein a copper window is disposed at the window and is provided with an outlet for emitting out the rays emitted by the X-ray tube; and a titanium plate disposed at the outlet. The X-ray tube housing, the X-ray bulb tube and the CT device uses the stainless steel housing body, the window is formed on the housing body, the copper window is arranged at the window, and the outlet formed by the titanium plate is disposed on the copper window. The stainless steel has high structural strength and is notprone to stress deformation. The titanium is high in penetrability and high in strength. The copper is high in thermal conductivity. Thus, the operating temperature of the X-ray bulb tube can be greatly reduced without affecting the emission rate of the X-ray bulb tube, and the structural strength and the service life of the X-ray bulb tube are greatly enhanced.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to an X-ray tube housing, an X-ray tube and CT equipment. Background technique [0002] Since the advent of Computed Tomography (CT) equipment, the imaging technology has developed rapidly and the equipment has been continuously updated. In medicine, it is used to diagnose spinal and head injuries, intracranial tumors, blood clots in the brain, and soft tissue injuries of the body, gastrointestinal diseases, and malignant lesions of the waist and pelvis. The basic process of imaging includes: X-rays are emitted from the focal position of the X-ray tube and pass through the human body to reach the detector; the detector receives the X-rays passing through the layer and converts them into energy intensity signals; the data acquisition and processing system collects the energy intensity signals. , and combined with a certain algorithm to reconstruct the original image. Usin...

Claims

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Application Information

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IPC IPC(8): H01J35/16H01J35/18A61B6/03
Inventor 张云华刘晓龙邹昀张曦
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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