Proton and light ion synchrotron, treatment system comprising same and application

Abstract

The invention relates to a proton and light ion synchrotron, a treatment system comprising the same and application, the proton and light ion synchrotron comprises a plurality of beam deflection units and a plurality of linear segments, and the plurality of beam deflection units are arranged on a ring at intervals, are sequentially connected end to end through vacuum tubes, and are used for deflecting beams; and the plurality of straight line segments are sequentially formed among the plurality of beam deflection units and are used for focusing, injecting, accelerating and entering and exiting the beam. The accelerator system can accelerate protons and various light ions such as 3He and 4He, the protons can be used for whole body treatment, light ion beams can also be used for superficial layer tumor treatment such as melanoma, head and neck tumors of five sense organs and prostate tumors, various ions complement each other, and the range of tumor indications of the proton accelerator is widened.

Description

technical field [0001] The invention relates to a proton and light ion synchrotron, a treatment system containing the accelerator and its application, and belongs to the technical field of medical equipment. Background technique [0002] Because the irradiation of ion beams on organisms has an inverted depth dose distribution and a relatively high relative biological effect, it can better avoid damage to normal cells while killing tumor cells, making ion cancer treatment an advanced international technology. Effective radiation therapy for cancer. At present, the most commonly used ions for ion cancer treatment are protons and carbon ions, which are quite different in terms of indications and cost. [0003] Carbon ion linear energy density, relative biological effect, and side scattering advantages are more significant, and can produce DNA double-strand breaks (DSBs) that are difficult to repair, and are usually used as the best choice for cancer treatment. Above 430MeV / u,...

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Problems solved by technology

[0005] The floor area of ​​the cancer treatment device is also a difficult problem in the promotion process. The synchrotrons disclosed in the prior art mostly adopt regular polygonal periodic structures, such as the six-fold synchronous ring technology route or the eight-fold synchronous ring technology route. The available straight section is short. In order to install a larger injection and extraction device on the straight section, the fully symmetrical structure will lead to an increase in the circumference and footprint of the synchronization ring, resulting in an increase in investment

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