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Inclined solenoid for Gantry magnet

A solenoid and magnet technology, applied in X-ray/γ-ray/particle irradiation therapy, etc., can solve the problems of high cost, high operation and maintenance costs, and bulky system, so as to avoid bending deformation and simplify design and processing method, eliminating the effect of reinforcement tooling and molding equipment

Active Publication Date: 2018-02-09
INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Regardless of whether the existing Gantry treatment device adopts a conventional or superconducting magnet structure, the system is bulky, expensive, and the operation and maintenance costs are high, which has become a major problem restricting the promotion of ion beam cancer treatment

Method used

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  • Inclined solenoid for Gantry magnet
  • Inclined solenoid for Gantry magnet
  • Inclined solenoid for Gantry magnet

Examples

Experimental program
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Effect test

Embodiment Construction

[0052] Such as Figure 1~3 , Figure 7~8 As shown, a tilting solenoid used for Gantry magnets includes a support cylinder 1 and a multi-layer skeleton 3 with a rectangular wire slot 6 coaxially sleeved on the support cylinder 1 .

[0053] The two ends of the multi-layer skeleton 3 are respectively provided with end plates 2, and the inner side of the end plates 2 is provided with a position guiding boss 4; the rectangular slot 6 is provided with a multi-turn superconducting wire 5 that generates a multi-pole magnetic field, and the multi-turn superconducting wire 5 The coils 12 constituting the inner layer combination 31 and the outer layer combination 32; both the inner layer combination 31 and the outer layer combination 32 have at least two layers, and the coils 12 therein appear in pairs in a manner opposite to the inclination direction; each turn of the coil 12 along the The axis Z is arranged periodically, and its shape is controlled by the following space curve equatio...

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Abstract

The invention relates to an inclined solenoid for a Gantry magnet. The inclined solenoid herein includes a support cylinder and a multilayer skeleton which has a rectangular wire duct and is coaxiallyin sleeving connection to the support cylinder. Two ends of the multilayer skeleton are separately provided with an end plate. Each end plate is provided with a position guide boss on the internal side thereof. The inclined solenoid herein is characterized in that: the rectangular wire duct is provided with a multi-turn superconducting wire which can generate multi-polar magnetic fields, and themulti-turn superconducting wire forms coins of internal layer combination and external layer combination, wherein at least two layers of both internal layer combination and external layer combinationare provided, and the coils appear in pair in a direction opposite to the inclining direction; each turn of the coils is in periodic arrangement in the axial direction Z and has a shape which is controlled by a space curve equation. According to the invention, the inclined solenoid herein uses a yoke-free magnet, which can effectively reduce the size and weight of the magnet, reduces manufacturing, and operation and maintenance cost, and makes medical treatment apparatuses more energy-saving and small in size.

Description

technical field [0001] The invention relates to the technical field of accelerator superconducting magnets, in particular to an inclined solenoid used for Gantry magnets. Background technique [0002] As the most ideal radiotherapy ray in the 21st century, ion beam has become more and more popular in the field of tumor treatment. The rotating gantry (Gantry) in the treatment device can realize 360-degree rotation of the radiation beam, combined with the horizontal rotation of the patient, can realize 4π full solid angle beam supply, and is the most ideal treatment terminal. Compared with conventional horizontal and vertical treatment terminals, Gantry is able to provide better and more reliable treatment options, minimizing radiation dose to healthy sensitive organs. [0003] Regardless of whether the existing Gantry treatment device adopts a conventional or superconducting magnet structure, the system is bulky, expensive, and high in operation and maintenance costs, which ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/10
Inventor 梁羽吴巍梅恩铭马力祯
Owner INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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