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Speed-reducing filtering device and neutron radiotherapy system

A filtering device and radiation therapy technology, applied in the field of medical equipment, can solve problems such as inconvenience, setting neutron deceleration effect, etc.

Pending Publication Date: 2018-03-16
北京新核医疗科技有限公司
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  • Abstract
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Problems solved by technology

[0005] The purpose of the present invention is to provide a deceleration filter device to solve the technical problem in the prior art that it is inconvenient to set the neutron deceleration effect according to the needs of treating patients with different lesion depths

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  • Speed-reducing filtering device and neutron radiotherapy system
  • Speed-reducing filtering device and neutron radiotherapy system
  • Speed-reducing filtering device and neutron radiotherapy system

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Embodiment Construction

[0031] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention provides a speed-reducing filtering device and a neutron radiotherapy system, relates to the technical field of medical apparatuses and instruments and aims at solving the problem that neutron speed-reducing effects needs to be set according to the demands for treating patients different in focus deepness. The speed-reducing filtering device comprises a bearing box and multiple speed-reducing parts for reducing neutron flux, wherein the bearing box is arranged between a reactor core and an irradiation opening, an opening is formed in the top of the bearing box, multiple placing positions are arranged in the bearing box, multiple speed-reducing parts are sequentially placed at the placing positions and are provided with lifting lugs, and a lifting handle is arranged on the bearing box. The speed-reducing filtering device is applied to the neutron radiotherapy system. The speed-reducing effect of the speed-reducing filtering device can be changed by changing the number of the speed-reducing parts or materials, the depth which a neutron beam can reach is changed, and accordingly deep treatment of multiple types of foci can be completed in the same treatment room.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a deceleration filter device and a neutron radiation therapy system. Background technique [0002] The existing neutron radiation therapy system uses a proton accelerator to irradiate a target to generate neutrons as a neutron source or a nuclear reactor as a neutron source, and the center of the neutron source is aimed at the lesion position of the patient for radiation therapy. [0003] The accelerator in this system is usually a linear accelerator, and the outlet of the accelerator is located in the treatment room for performing radiation therapy on the patient. For different lesion depths, the required neutron beam energy is different. For example, thermal neutron beams are required for cortical tumor irradiation, and epithermal neutron beams are required for human deep tumor irradiation. Therefore, in order to treat patients with different lesion depths, it is neces...

Claims

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Application Information

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IPC IPC(8): A61N5/10
CPCA61N5/1042A61N5/1077A61N2005/109A61N2005/1095
Inventor 田力邱清徐刚
Owner 北京新核医疗科技有限公司
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