Neutron capture treatment system

A treatment system, neutron technology, applied in treatment, X-ray/γ-ray/particle irradiation therapy, radiation therapy, etc., can solve the problem of not being able to detect the radiation dose in real time, time-consuming and labor-intensive, and unable to judge quickly failure

Pending Publication Date: 2017-07-25
NEUBORON MEDTECH
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Problems solved by technology

[0006] However, at this time, for example, if the irradiation dose rate of the neutron beam fluctuates for some reason after the radiation dose of the gold wire is measured, it cannot sufficiently cope with the fluctuation, and the planned irradiation dose may be adjusted. It may become difficult to irradiate the neutron beam to the object to be irradiated
That is to say, in the above-mentioned neutron capture therapy system, the irradiation dose of radiation cannot be detected in real time
In addition, once a detection device fails, it is impossible to quickly determine the source of the failure, so troubleshooting is time-consuming and labor-intensive

Method used

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Embodiment Construction

[0039] The application of neutron capture therapy as an effective means of treating cancer has gradually increased in recent years, among which boron neutron capture therapy is the most common, and neutrons supplying boron neutron capture therapy can be supplied by nuclear reactors or accelerators. The embodiment of the present invention takes the accelerator boron neutron capture therapy as an example, and the basic components of the accelerator boron neutron capture therapy generally include an accelerator for accelerating charged particles (such as protons, deuterons, etc.), targets and heat removal System and beam shaper, in which the accelerated charged particles interact with the metal target to generate neutrons, according to the required neutron yield and energy, the available accelerated charged particle energy and current, and the physical and chemical properties of the metal target To select the appropriate nuclear reaction, the nuclear reactions that are often discu...

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Abstract

The invention provides a radiation detection system which aims to improve accuracy of neutron beam irradiation dosage of a neutron capture treatment system, and can timely discover a fault portion. The neutron capture treatment system comprises a charged particle beam, a charged particle beam inlet for pass of the charged particle beam, a neutron generation portion used for realizing nuclear reaction with the charged particle beam to generate a neutron beam, a beam shaping body used for adjusting flux and quality of the neutron beam generated by the neutron generation portion and a beam outlet adjacent to the beam shaping body, the radiation detection system comprises a radiation detection device, and the radiation detection device is used for detecting prompt Gamma rays after neutron beam irradiation in real time The invention further provides a radiation detection method which aims to improve accuracy of neutron beam irradiation dosage of the neutron capture treatment system, and can timely discover the fault portion.

Description

technical field [0001] The invention relates to a radiation therapy system, in particular to a neutron capture therapy system. Background technique [0002] With the development of atomic science, radiation therapy such as cobalt 60, linear accelerator, and electron beam has become one of the main means of cancer treatment. However, traditional photon or electron therapy is limited by the physical conditions of the radiation itself. While killing tumor cells, it will also cause damage to a large number of normal tissues along the beam path; in addition, due to the different sensitivity of tumor cells to radiation, traditional radiation therapy Treatment for more radioresistant malignant tumors (eg glioblastoma multiforme, melanoma) is often less effective. [0003] In order to reduce radiation damage to normal tissues around the tumor, the concept of target therapy in chemotherapy (chemotherapy) has been applied to radiation therapy; and for tumor cells with high radiation ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/10
CPCA61N5/103A61N5/1064A61N5/1071G01T3/00G01T3/06A61N2005/109
Inventor 刘渊豪陈韦霖
Owner NEUBORON MEDTECH
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