Flash radiotherapy device

A radiation therapy and streamer technology, applied in radiation therapy, treatment, X-ray/γ-ray/particle irradiation therapy, etc., can solve problems such as pain, toxic side effects, and long-term control of patient tumors, and achieve good radiation therapy effects Effect

Pending Publication Date: 2020-08-04
INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS
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Problems solved by technology

On the other hand, radiation oncologists are forced to sacrifice the therapeutic dose in the tumor target area because they are worried about the sever

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Embodiment Construction

[0023] In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the accompanying drawings of the present invention. Based on the embodiments in this application, those of ordinary skill in the art will Other similar embodiments obtained without creative work shall all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "upper", "lower", "left", "right", etc., are only referring to the directions of the drawings, therefore, the directional words used are for illustration rather than limitation invent.

[0024] Such as figure 1 As shown, a flash radiotherapy device includes a DC photocathode electron gun 1 for generating electron beams, a superconducting linear accelerator 3 for accelerating electron beams, and an X-ray target 5 for...

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Abstract

The invention discloses a flash radiotherapy device. The device comprises a direct-current photocathode electron gun, a superconducting linear accelerator, an X-ray target and a collimator, wherein the direct-current photocathode electron gun transmits electron beams to the superconducting linear accelerator through the first transmission line; the superconducting linear accelerator transmits theelectron beams to the X-ray target through the second transmission line; and the electron beams bombard the X-ray target to generate X-rays, and the X-rays irradiate the target through the collimator.According to the flash radiotherapy device, the direct-current photocathode electron gun and the superconducting linear accelerator are adopted, long-macro-pulse high-dose-rate X rays can be provided, a very high irradiation dose can be given to a target area in a short time, and the requirement of flash radiotherapy is met. And the energy of the ray can be adjusted by adjusting the energy of theelectron beam, the time length of the ray is adjusted by adjusting the pulse length of the electron beam, and the dosage rate is adjusted by adjusting the flow intensity of the electron beam, so thata better radiotherapy effect on the target is achieved.

Description

technical field [0001] The invention belongs to the field of radiation devices, in particular to a flash radiation therapy device. Background technique [0002] At present, the incidence of cancer in our country is getting higher and higher, and it has become one of the biggest killers that endanger the health of our people. The usual treatment methods include surgery, chemotherapy, and radiation therapy. [0003] The principle of radiotherapy is to use a certain energy of radiation to act on cells to produce ionization effects, and release a large amount of energy locally to destroy the DNA chains of cancer cells, thereby achieving the purpose of inhibiting and killing tumor cells. The basic principle is to ensure that tumor tissues accept Sufficient lethal dose while maximally protecting the organs at risk from radiation damage. Under the condition of conventional dose rate irradiation, by improving the conformity of the radiation field of the radiotherapy machine, the tu...

Claims

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Application Information

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IPC IPC(8): A61N5/10
CPCA61N5/1031A61N5/1042
Inventor 黎明羊亦伟杜小波吴岱王建新李鹏赵剑衡陈门雪肖德鑫周奎王汉斌潘清劳成龙罗星白燕闫陇刚陈立均刘宇刘婕周征单李军徐勇沈旭明和天慧胡栋材
Owner INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS
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