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Rotating frame ion beam line layout structure and self-achromatic normal-temperature proton therapy equipment

A technology of rotating frame and layout structure, which is applied in X-ray/γ-ray/particle irradiation therapy, medical treatment, radiotherapy, etc. It can solve the problems of too long beam line, unreasonable layout, heavy weight, etc., and achieve the elimination of chromatic aberration , The effect of convenient assembly

Pending Publication Date: 2020-02-21
CHINA INSTITUTE OF ATOMIC ENERGY
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Problems solved by technology

[0006] One of the objectives of the present invention is to provide a beam line layout structure of the rotating frame, which is used to solve the problem that the beam line layout of the rotating frame is too long and the volume and weight of the rotating frame are too large , while meeting the requirements of self-achromatic and modular quick replacement / adjustment

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  • Rotating frame ion beam line layout structure and self-achromatic normal-temperature proton therapy equipment
  • Rotating frame ion beam line layout structure and self-achromatic normal-temperature proton therapy equipment
  • Rotating frame ion beam line layout structure and self-achromatic normal-temperature proton therapy equipment

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Embodiment Construction

[0039] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, and do not represent all implementations. For example, its purpose is to explain the described features of the claims, not to limit the protection scope of the claims. All other embodiments obtained by those skilled in the art after fully understanding based on the inventive concept expressed in the embodiments of the present invention belong to the protection scope of the present invention.

[0040] It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). ...

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Abstract

The invention relates to a rotating frame ion beam line layout structure and self-achromatic normal-temperature proton therapy equipment. Each of two self-achromatic units of the layout structure comprises two bending sections which are arranged in a mirror symmetry mode for deflecting a beam; at least one self-achromatic unit is an odd unit quadrupole lens group; the mirror symmetry center of theself-achromatic unit is a middle quadrupole lens; the self-achromatic unit are linearly provided with pairs of side quadrupole lenses with equal numbers; and the distances between the middle quadrupole lens and the adjacent side quadrupole lenses are the same, so that the middle quadrupole lens is used to eleminate chromatic aberration of a beam passing through the self-achromatic unit together with the two bending sections. The rotating frame ion beam line layout structure has a reasonable layout that beam lines are easy to assemble, the rotating frame ion beam line ensures that the motion trails of proton beams with different energies meet design requirements, and meanwhile, an effect of eliminating proton chromatic aberration is achieved.

Description

technical field [0001] The invention relates to the technical field of proton therapy, in particular to a beam line layout structure of a rotating frame and an auto-achromatic normal temperature proton therapy device. Background technique [0002] Proton therapy is a form of radiation therapy. After protons enter the body, a sharp dose peak (Bragg peak) is formed at the end of the range. The Bragg peak can be made to cover the tumor by adjusting the proton energy. In addition, the energy loss of protons in the incident channel is generally small, and the side scattering is also small, and the dose to the normal tissues in the front, back, left, and right is small, so it has better radiation physics performance. Beam dispersion has a detrimental effect on proton therapy and requires careful and tight control. [0003] The rotating gantry is an important part of the proton therapy equipment. The beam drawn from the cyclotron enters the rotating gantry through the transmissi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/10
CPCA61N5/1001A61N2005/1087A61N2005/1092
Inventor 魏素敏张天爵尹蒙安世忠
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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