CN213073203U - Target station structure of electron accelerator - Google Patents
Target station structure of electron accelerator Download PDFInfo
- Publication number
- CN213073203U CN213073203U CN202021541029.8U CN202021541029U CN213073203U CN 213073203 U CN213073203 U CN 213073203U CN 202021541029 U CN202021541029 U CN 202021541029U CN 213073203 U CN213073203 U CN 213073203U
- Authority
- CN
- China
- Prior art keywords
- channel
- electron
- ray
- stopper
- target
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Radiation-Therapy Devices (AREA)
Abstract
The utility model discloses an electron accelerator target station structure, include: an electron channel portion, a photon channel portion, and an exit shield; the electron channel part comprises a beam inlet and a target, and the photon channel part comprises a water-cooling channel, a photon channel and a beam outlet. The utility model discloses be provided with electron shield in the beam passageway for under the condition as far as possible to X-ray quality influence, furthest's reduction electron jets out from the beam outlet, and non-treatment ray (electron) causes the injury to the patient when reducing the treatment.
Description
Technical Field
The utility model belongs to the technical field of the radiotherapy, concretely relates to electron accelerator target station structure.
Background
Radiotherapy is a radiation treatment of tumors by local tumor treatment using radioactivity. Radiotherapy can be divided into two large fields, photon radiotherapy (X-rays, gamma rays and the like) and particle radiotherapy (protons, heavy ions, boron neutrons and the like) according to different used rays, and more than 95% of patients receive photon radiotherapy at present.
The inventor finds that the prior arts have at least the following technical problems in the practical use process:
the X-rays used in radiotherapy are generated by the bremsstrahlung (radiation generated by the sudden deceleration of high-speed electrons) generated by the bombardment of heavy metal targets by high-energy electrons, which leads to the inevitable mixing of electrons in the generated X-rays, and the electrons are liable to cause large dose damage to the skin surface of a patient.
Therefore, it is necessary to remove electrons in X-rays, reduce unnecessary damage to the patient caused by non-therapeutic radiation particles, and improve the dose accuracy during patient treatment.
Disclosure of Invention
In order to overcome the defects, the inventor of the utility model continuously changes and innovates through long-term exploration and trial and a plurality of times of experiments and efforts, and provides an electron accelerator target station structure, which can reduce the emission of electrons from a beam outlet to the maximum extent under the condition of having the influence on the quality of X-rays as little as possible, and reduce the damage of non-treatment rays (electrons) to patients during treatment.
In order to realize the purpose, the utility model adopts the technical scheme that: the utility model provides an electron accelerator target station structure, it includes dog, passageway, electron shield and target, the passageway is located the dog inside, electron shield and target are located the passageway inside, electron shield is cylindric metal film piece.
According to the utility model discloses an electron accelerator target station structure, its further preferred technical scheme is: the channel comprises an electron channel, an X-ray channel and a water cooling channel.
According to the utility model discloses an electron accelerator target station structure, its further preferred technical scheme is: the block includes an X-ray channel block and an electron channel block.
According to the utility model discloses an electron accelerator target station structure, its further preferred technical scheme is: the stop block is a copper stop block.
According to the utility model discloses an electron accelerator target station structure, its further preferred technical scheme is: the stop block comprises an X-ray channel stop block and an electronic channel stop block, and the X-ray channel stop block is tightly connected with the electronic channel stop block.
According to the utility model discloses an electron accelerator target station structure, its further preferred technical scheme is: the channel comprises an electronic channel, an X-ray channel and a water-cooling channel, wherein the water-cooling channel is located inside a stop block of the X-ray channel and is of an annular structure.
According to the utility model discloses an electron accelerator target station structure, its further preferred technical scheme is: the channel comprises an electronic channel, an X-ray channel and a water cooling channel, and the electronic channel and the X-ray channel are both in vacuum.
According to the utility model discloses an electron accelerator target station structure, its further preferred technical scheme is: the channel comprises an electronic channel, an X-ray channel and a water-cooling channel, and the target is located in the electronic channel and is tightly connected with the electronic channel stop block.
According to the utility model discloses an electron accelerator target station structure, its further preferred technical scheme is: the electron shield is parallel to the target.
According to the utility model discloses an electron accelerator target station structure, its further preferred technical scheme is: the channel comprises an electronic channel, an X-ray channel and a water-cooling channel, and the diameter of the electronic channel is smaller than that of the X-ray channel.
Compared with the prior art, the technical scheme of the utility model have following advantage beneficial effect:
the utility model discloses be provided with the electron shield body in the beam passageway for the electron shield body is under the condition as far as possible to X-ray quality influence, and furthest's reduction electron jets out from the beam outlet, and the injury that non-treatment ray (electron) caused the patient when having reduced the treatment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of the structure of the electron accelerator target station described in embodiment 1.
Fig. 2 is a schematic structural view of the electron accelerator target station structure described in embodiment 2.
The labels in the figure are respectively: an X-ray channel block; 2. an electron channel block; 3. a water-cooling channel; 4. an electron channel; 5, target material; 6. an electron shield; an X-ray tunnel.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the claimed invention, but is merely representative of selected embodiments of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
Example 1:
as shown in fig. 1, the present invention provides a target station structure of an electron accelerator, which comprises an X-ray channel stop 1, an electron channel stop 2, a water-cooling channel 3, an electron channel 4, a target 5, an electron shield 6, and an X-ray channel 7. The electronic channel stopper 2 is tightly connected with the X-ray channel stopper 1, the electronic channel stopper 2 and the X-ray channel stopper 1 are copper stoppers, the electronic channel stopper 2 plays a role in absorbing electrons, and the X-ray channel stopper 1 plays a role in attenuating X-rays. The water cooling channel 3 is located inside the X-ray channel stop block 1 and is of an annular structure, and the function of cooling the target material 5 and the X-ray channel stop block 1 is achieved. The electron channel 4 and the X-ray channel 7 are both vacuum. The target 5 is located inside the electron channel 4 and is tightly connected with the electron channel block 2 for generating X-rays. The electronic shield 6 is a cylindrical metal thin block and is made of aluminum, titanium and the like. The electron shield 6 is parallel to the target 5 and is flush with the right outlet of the X-ray channel 7, so that the emission of electrons from the beam outlet is reduced to the maximum extent under the condition of having the least influence on the quality of the X-ray. The diameter of the electronic channel 4 is smaller than that of the X-ray channel 7.
The working mode of the structure in the embodiment is that high-energy electrons are firstly emitted into the electron channel 4 through the beam inlet on the left side of the electron channel 4, the high-energy electrons pass through the electron channel 4 to bombard the target material 5 to generate bremsstrahlung and generate X-rays, the X-rays and the electrons contained in the X-rays pass through the X-ray channel 7, the electron shielding body 6 on the right side of the X-ray channel 7 finishes shielding the electrons mixed in the X-rays, the X-rays are emitted from the beam outlet on the right side of the X-ray channel 7, and then radiotherapy on a patient is finished.
Example 2:
as shown in fig. 2, the present invention provides a target station structure of an electron accelerator, which comprises an X-ray channel stop 1, an electron channel stop 2, a water-cooling channel 3, an electron channel 4, a target 5, an electron shield 6, and an X-ray channel 7. The electronic channel stopper 2 is tightly connected with the X-ray channel stopper 1, the electronic channel stopper 2 and the X-ray channel stopper 1 are copper stoppers, the electronic channel stopper 2 plays a role in absorbing electrons, and the X-ray channel stopper 1 plays a role in attenuating X-rays. The water cooling channel 3 is located inside the X-ray channel stop block 1 and is of an annular structure, and the function of cooling the target material 5 and the X-ray channel stop block 1 is achieved. The electron channel 4 and the X-ray channel 7 are both vacuum. The target 5 is located inside the electron channel 4 and is tightly connected with the electron channel block 2 for generating X-rays. The electronic shield 6 is a cylindrical metal thin block and is made of aluminum, titanium and the like. The electron shield 6 is parallel to the target 5 and located inside the X-ray channel 7, and reduces the emission of electrons from the beam outlet to the maximum extent with the least influence on the X-ray quality. The diameter of the electronic channel 4 is smaller than that of the X-ray channel 7.
The working mode of the structure in the embodiment is that high-energy electrons are firstly emitted into the electron channel 4 through the beam inlet on the left side of the electron channel 4, the high-energy electrons pass through the electron channel 4 to bombard the target material 5 to generate bremsstrahlung and generate X-rays, the X-rays and the electrons contained in the X-rays pass through the X-ray channel 7, the electron shielding body 6 positioned in the middle of the X-ray channel 7 finishes shielding the electrons mixed in the X-rays, the X-rays are made to be emitted from the beam outlet on the right side of the X-ray channel 7, and then radiotherapy on a patient is finished.
The X-ray used for radiotherapy is generated by the bremsstrahlung (radiation generated by rapid deceleration of high-speed electrons) generated by bombarding a heavy metal target by high-energy electrons, the generated X-ray and the electrons mixed in the X-ray reach an electron shield, and under the condition that the electron shield has the smallest influence on the quality of the X-ray, the electron shield furthest reduces the emission of the electrons from a beam outlet and reduces the damage of non-treatment rays (electrons) to a patient during treatment.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.
Claims (8)
1. The utility model provides an electron accelerator target station structure, its includes dog, passageway, target, the target is located the inside entrance side of passageway, the passageway is located inside the dog, its characterized in that still includes the electron shield body, the electron shield body is located the inside exit side of passageway, and the electron shield body is cylindric metal film piece.
2. The structure of claim 1, wherein the channel comprises an electron channel and a water-cooling channel, or an electron channel and an X-ray channel and a water-cooling channel, the stopper is an electron channel stopper, or an electron channel stopper and an X-ray channel stopper, the electron channel is located inside the electron channel stopper, the X-ray channel is located inside the X-ray channel stopper, and the water-cooling channel is located inside the stopper of the X-ray channel, or inside the stopper of the electron channel, and is in a ring structure.
3. The electron accelerator target station structure of claim 1 or 2, wherein the stopper is a copper stopper.
4. The structure of claim 2, wherein the X-ray channel block is tightly connected to the electron channel block.
5. The structure of claim 2, wherein the electron channel and the X-ray channel are both vacuum.
6. The structure of claim 2, wherein the target material is located inside the electron channel and is tightly connected to the electron channel stopper.
7. The structure of claim 1, wherein the electron shield is parallel to the target.
8. The electron accelerator target station structure of claim 2, wherein the electron channel diameter is smaller than the X-ray channel diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541029.8U CN213073203U (en) | 2020-07-30 | 2020-07-30 | Target station structure of electron accelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541029.8U CN213073203U (en) | 2020-07-30 | 2020-07-30 | Target station structure of electron accelerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213073203U true CN213073203U (en) | 2021-04-27 |
Family
ID=75578452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021541029.8U Active CN213073203U (en) | 2020-07-30 | 2020-07-30 | Target station structure of electron accelerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213073203U (en) |
-
2020
- 2020-07-30 CN CN202021541029.8U patent/CN213073203U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3032927B1 (en) | A beam shaping assembly for neutron capture therapy | |
| EP3395404B1 (en) | Beam shaper for neutron capture therapy | |
| EP3708224B1 (en) | Neutron capture therapy system | |
| EP3369457B1 (en) | Beam shaping body for neutron capture therapy | |
| US9675816B2 (en) | Neutron control device and neutron irradiation apparatus | |
| US11198023B2 (en) | Neutron capture therapy system | |
| US20180250528A1 (en) | Radiation detection system and radiation detection method for neutron capture therapy system | |
| EP3381514B1 (en) | Neutron capture therapy system and gamma ray detector for neutron capture therapy | |
| CA1099034A (en) | Electron accelerator comprising a target exposed to the electron beam | |
| US11813483B2 (en) | Neutron capture therapy system | |
| US20220128722A1 (en) | Radiation detection system and radiation detection method for neutron capture therapy system | |
| Torabi et al. | Photoneutron production by a 25 MeV electron linac for BNCT application | |
| Bruce et al. | The linear energy transfer distributions resulting from primary and scattered x-rays and gamma rays with primary HVL's from 1.25 mm Cu to 11 mm Pb | |
| CN213073203U (en) | Target station structure of electron accelerator | |
| CN109925606B (en) | Neutron capture therapy system | |
| CN114247060A (en) | Beam line shaping body for neutron capture treatment | |
| CN111010796A (en) | Based on electron accelerator and91production of Zr90Y system and method | |
| McConnell et al. | Electron Slowing-Down Spectrum in Cu of Beta Rays from Cu 64 | |
| CN220821118U (en) | Slowing body and beam shaping device | |
| Bhatnagar | Secondary radiation from supervoltage accelerators—Its implications in patient protection | |
| Otte et al. | Skin-sparing with DT neutrons | |
| Jayaraman et al. | Equipment for radioisotope teletherapy | |
| CN111128432A (en) | Electron accelerator-based90Y production system and method | |
| CN114530360A (en) | High flux X-ray tube for studying flash discharge effect | |
| Würl et al. | Theoretical background of proton therapy and PET imaging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |