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Shaft coupling and side coupling mixed double-beam standing wave electron linear accelerator

A linear accelerator and hybrid technology, applied in the direction of linear accelerators, electrical components, accelerators, etc., can solve the problems of different coordinates and inaccurate radiotherapy of patient parts, so as to reduce equipment volume and cost, reduce volume and cost, effect of avoiding error

Inactive Publication Date: 2015-11-18
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0003] At present, in the field of medical radiation, since the energy of the electron beam used for imaging and radiotherapy is not the same, two sets of independent electron linear accelerator systems are often used for the positioning of patient parts and radiotherapy, because the coordinates of the two systems are different, etc. problems, resulting in radiation therapy to the affected area not being as precise as one would expect

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  • Shaft coupling and side coupling mixed double-beam standing wave electron linear accelerator
  • Shaft coupling and side coupling mixed double-beam standing wave electron linear accelerator
  • Shaft coupling and side coupling mixed double-beam standing wave electron linear accelerator

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Embodiment

[0028] figure 1 It is a simulation model of the dual-beam standing wave electron linear accelerator of the present invention with shaft coupling and side coupling hybrid type.

[0029] figure 2 It is a physical model of the dual-beam standing wave electron linear accelerator of the present invention, which is a combination of shaft coupling and side coupling.

[0030] In this example, if figure 1 , 2 As shown, the present invention is a dual-beam standing wave electron linac of shaft-coupled and side-coupled hybrid type, comprising: shaft-coupled standing wave electron linac 1, cylindrical side-coupling cavity 2 and metal short-circuit cylindrical switch 3;

[0031] Among them, such as figure 2 As shown, the shaft-coupled standing wave electron linear accelerator 1 includes one acceleration cavity a101, five acceleration cavities b102, and four shaft-coupled cavities 103 of the same type;

[0032] Among them, the acceleration cavity a101 is placed at the forefront, the ...

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Abstract

The invention discloses a shaft coupling and side coupling mixed double-beam standing wave electron linear accelerator. Accelerating cavities and shaft coupling cavities are alternately connected to form a body of the double-beam standing wave electron linear accelerator, a metal short-circuit switch is arranged on a side coupling cavity, and the energy state of electron beam current is adjusted by adjusting the insertion length of the short-circuit switch into the side coupling cavity. Therefore, two energy states (high energy and low energy) of electron beam current are achieved through one standing wave electron linear accelerator, a multi-use machine is realized, and the size and cost of imaging and radiation therapy equipment are reduced.

Description

technical field [0001] The invention belongs to the technical field of standing wave electron linear accelerators, and more specifically relates to a dual-beam standing wave electron linear accelerator of a mixed axial coupling and side coupling type. Background technique [0002] Standing wave electron linac is the most rapidly developed type of electron linac in the field of accelerators. Compared with other types of electron linac, standing wave electron linac has the advantages of small size, strong acceleration gradient, high acceleration efficiency, and electron beam current. In recent years, it has extensive research and development in the field of medical radiation therapy. [0003] At present, in the field of medical radiation, since the energy of the electron beam used for imaging and radiotherapy is not the same, two sets of independent electron linear accelerator systems are often used for the positioning of patient parts and radiotherapy, because the coordinates...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05H9/04
Inventor 宫玉彬付昕李新义王战亮
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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