WO2023101271A1 - 중성자 포획치료를 위한 미로형 중성자 빔성형 장치 - Google Patents
중성자 포획치료를 위한 미로형 중성자 빔성형 장치 Download PDFInfo
- Publication number
- WO2023101271A1 WO2023101271A1 PCT/KR2022/018101 KR2022018101W WO2023101271A1 WO 2023101271 A1 WO2023101271 A1 WO 2023101271A1 KR 2022018101 W KR2022018101 W KR 2022018101W WO 2023101271 A1 WO2023101271 A1 WO 2023101271A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- neutron
- neutrons
- labyrinth
- moderator
- beam forming
- Prior art date
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1042—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy with spatial modulation of the radiation beam within the treatment head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1077—Beam delivery systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1085—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy characterised by the type of particles applied to the patient
- A61N2005/109—Neutrons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
- A61N2005/1095—Elements inserted into the radiation path within the system, e.g. filters or wedges
Definitions
- the present invention relates to a labyrinth type neutron beam forming device for medical boron neutron capture treatment.
- Boron neutron capture therapy is a treatment method in which a material containing boron is injected in advance to accumulate boron in cancer cells, and then neutrons are irradiated to cause nuclear fission in the cancer cells, and particles are released by nuclear fission to kill cancer cells.
- Boron neutron capture therapy is known to be effective for brain tumors, head and neck cancer, skin cancer, etc., and is in the limelight as a next-generation cancer treatment method in that it can minimize side effects caused by radiation exposure of normal cells compared to conventional radiation treatment methods.
- the neutrons generated by the boron neutron capture treatment device are fast neutrons with an energy of 10 keV or more, epithermal neutrons with an energy of 0.5 eV to 10 keV, and thermal neutrons with an energy of 0.5 eV or less. are separated by Among them, it is known that fast neutrons have high penetrability and cause radioactive side effects in tissues around the tumor, and thermal neutrons with low energy cause radioactive side effects in the skin, which is not suitable for therapeutic purposes.
- the present invention solves the problems of the beam shaping device used in the conventional boron neutron capture treatment device and provides a beam shaping device that minimizes the decrease in neutron flux and at the same time minimizes the dose contamination value caused by gamma rays and fast neutrons. There is a purpose.
- a neutron beam forming module provided along the moving direction of neutrons, configured to reduce the flux of gamma rays and fast neutrons and to minimize the decrease in the flux of extrathermal neutrons, and wrapped around the circumference of the neutron beam forming module.
- a maze-type neutron beam shaping device for neutron capture treatment may be provided, including a reflector, wherein the neutron beam shaping module is provided along an axis extending from the front to the rear, and at least a part of the neutron beam shaping module is provided along a path different from the axial path.
- the neutron beam shaping module is configured to shield fast neutrons, is provided at a first shielding unit disposed adjacent to a target for generating neutrons, and a rear end of the first shielding unit, and is configured to reduce neutron energy. It may be configured to include a moderator and a second shielding unit provided at a rear end of the moderator and configured to shield thermal neutrons and gamma rays.
- the inclined surface may be formed at a boundary of at least one of the first shielding unit, the moderator, and the second shielding unit.
- the reflective surfaces provided on the left and right sides of the neutron beam shaping module may be provided asymmetrically.
- the inclined surface is formed on the boundary surface between the moderator and the reflector, and may be configured to have at least two different angles.
- two different slopes may be disposed at positive and negative angles from a plane parallel to the moving direction of the particle beam.
- boundary surface between the moderator and the reflector may include a reflective surface provided at an angle parallel to the irradiation direction of the particle beam.
- first shielding part and the second shielding part may be provided in parallel with each other.
- the center of the first shielding unit and the second shielding unit may be located on the irradiation path of the particle beam.
- the centers of the first shielding unit and the second shielding unit may be located at different points from the irradiation path of the particle beam.
- first shielding part and the second shielding part may be provided at different angles.
- the first shielding agent may be disposed not perpendicular to the direction of irradiation of the particle beam.
- the maze-type neutron beamforming device for neutron capture therapy has the effect of minimizing the dose contamination value (physical dose value / extrathermal neutron value) in the BNCT recommended by IAEA-TECDOC-1223.
- FIG. 1 is a conceptual diagram of a neutron capture therapy device.
- FIG. 2 is a conceptual diagram showing a beam forming apparatus and a target according to the present invention.
- Figures 4a, 4b, 4c and 4d show the performance of the neutron shaping device at the moderator angle of the beam shaping device.
- FIG. 5 is a cross-sectional view of a labyrinth-type neutron beam forming device for neutron capture therapy, which is a first embodiment according to the present invention.
- FIG. 6 is a cross-sectional view of a labyrinth-type neutron beam forming device for neutron capture therapy, which is a second embodiment according to the present invention.
- FIG. 7 is a cross-sectional view of a labyrinth-type neutron beam forming device for neutron capture therapy, which is a third embodiment according to the present invention.
- FIG. 8 is a cross-sectional view of a labyrinth-type neutron beam forming device for neutron capture therapy, which is a fourth embodiment according to the present invention.
- FIG. 9 is a cross-sectional view of a labyrinth-type neutron beam forming device for neutron capture therapy, which is a fifth embodiment according to the present invention.
- FIG. 10 is a cross-sectional view of a labyrinth-type neutron beam forming device for neutron capture therapy, which is a sixth embodiment according to the present invention.
- Front refers to the direction in which the beam shaping device looks at the accelerator
- rear refers to the direction in which the neutrons finally reach the patient. According to the direction described above, neutrons are irradiated from the front side to the beam forming device, pass through the beam forming device, and exit backward.
- FIG. 1 is a conceptual diagram of a neutron capture therapy device.
- the neutron generator for generating neutrons in boron neutron capture treatment is a particle accelerator (1) such as a cyclotron, a linear accelerator, and an electrostatic accelerator, and an electrostatic type accelerating a proton beam emitted from the particle accelerator (1) at high speed. It is configured to include an accelerator 2 and a chamber 3 equipped with a target installed on the beam path of the proton beam and colliding with the beam to emit neutrons therein.
- the neutrons generated from the target can be classified into fast neutrons with an energy of 10 keV or more, epithermal neutrons with an energy of 0.5 eV to 10 keV, and thermal neutrons with an energy of 0.5 eV or less.
- the beam shaping device 100 is divided so that it can be converted into out-of-therapeutic neutrons suitable for treatment.
- the neutron beam passing through the beam shaping device 100 is configured to pass through a desired area by a collimator, and is finally irradiated to the affected area of the patient 3 to cause a nuclear reaction.
- FIG. 2 is a conceptual diagram showing a beam forming apparatus and a target according to the present invention.
- a particle beam is irradiated to the target 200 to cause a nuclear reaction and also to generate gamma rays ( ⁇ ). At this time, the generated neutrons and gamma rays are emitted toward the rear at various angles.
- the beam forming device 100 After the beam forming device 100
- the beam shaping apparatus 100 is different from the conventional beam shaping apparatus 100, which is arranged in a straight line along the direction in which the particle beam is irradiated, that is, in the forward and backward directions, and the angle and half of the beam shaping apparatus 100. It is configured to minimize the decrease in neutron flux and shield gamma rays by adjusting the angle of the slope.
- the beam shaping apparatus 100 may include a beam shaping module 110 for determining a region through which neutrons pass, and a reflector provided while wrapping a side surface of the beam shaping module 110 .
- the beam shaping module 110 may be provided along an axis extending from the front to the rear. At this time, at least a part of the beam shaping module 110 may be provided along a path different from the axis.
- the beam shaping module 110 may include a first shielding unit 111 , a moderator 112 and a second shielding unit 113 .
- the first shield 111, the moderator 112, and the second shield 113 may be sequentially disposed from the front to the rear.
- the first shielding unit 111 is configured to shield fast neutrons.
- the first shielding unit 111 may include, for example, iron or aluminum.
- the moderator 112 is configured to decelerate neutrons that have passed through the first shielding unit 111 into an extraneous neutron region.
- the moderator 112 may include fluorine, MgF2, CaF2, PbF2, AlF3, PTFE [(CF2)n] and Fludental (AlF3: 69%, Al: 30%, LiF: 1%) It may be configured including materials such as.
- the second shielding unit 113 is configured to shield thermal neutrons and also shield gamma rays.
- the second shielding part 113 may include a thermal neutron filter and a gamma filter.
- a thermal neutron filter may be configured to prevent thermal neutrons from passing through.
- the thermal neutron filter may include cadmium (cd) or boron and may have a density of 8.65 g/cm3.
- the gamma filter may be configured to prevent gamma rays generated when filtering or decelerating neutrons from leaking toward the collimator.
- the gamma filter may include, for example, bismuth and may have a density of 9.75 g/cm3.
- the reflector 120 is configured to prevent and shield gamma rays and neutrons from being emitted to an unintended area.
- the reflector is configured to cover the upper and lower surfaces and both sides of the beam shaping module 110 .
- the reflector 120 may include, for example, lead or nickel.
- FIG. 3 as a simulation result using Monte Carlo N-Particle code (MCNP, v6.2), a neutron back-flux distribution is shown, and the direction of neutrons is induced toward the exit when an inclined neutron shaping device is used. You can check out what you can do. That is, it can be confirmed that the neutron flux is maintained.
- MCNP Monte Carlo N-Particle code
- Figures 4a, 4b, 4c and 4d show the performance of the neutron beam forming device at the moderator angle of the beam forming device.
- FIG 4a it shows the neutron energy fluence at the exit of the neutron shaping device according to the moderator angle. It can be seen that the fluence of the thermal neutrons is the highest when the moderator angle of the beam forming module with the axis in the forward and backward directions is around 10 degrees, and the fluence of the thermal neutrons decreases at an angle higher than that.
- the physical dose (Gy) of fast neutrons and gamma rays according to an inclined angle of the neutron shaping device is shown. It can be seen that the physical dose (Gy) of gamma rays decreases as the angle of inclination of the neutron beam forming module from the longitudinal axis increases.
- the dose pollution degree is the value obtained by dividing the physical dose (Gy) by rapid neutrons and gamma rays by the extrathermal neutron flux at the exit.
- the moderator angle of the beam shaping module was 0 to 40 degrees, the dose contamination level was maintained at a certain level, but after 40 degrees, a tendency to increase could be confirmed. 4c, as the moderator angle of the beam shaping module increases, the physical dose (Gy) decreases, but also because the flux of the thermal neutrons decreases, it can be seen that the dose contamination increases on the contrary. .
- the thermal neutron ratio can be maintained at an appropriate level within the moderator angle of the beam shaping module with the axis in the forward and backward direction within 0 to 40 degrees. .
- the neutrons required for treatment are guided to the exit of the neutron shaping device and at the same time change according to the angle of the external neutron flux and gamma rays It is possible to minimize the dose contamination value caused by fast neutrons.
- 5 to 10 conceptually illustrate states in which the target and the beam forming device are cut along a plane parallel to the horizontal for convenience of description.
- FIG. 5 is a cross-sectional view of a labyrinth-type neutron beam forming device for neutron capture therapy, which is a first embodiment according to the present invention.
- the first shielding unit 111 and the second shielding unit 113 are disposed parallel to each other but not aligned.
- the moderator 112 is formed to extend at a certain angle from the axis in the forward and backward direction (x1, which is the same as the irradiation path of the particle beam).
- the second shielding part 113 may be determined at a position where the axis x1 in the forward and backward direction does not deviate to the outside.
- FIG. 6 is a cross-sectional view of a labyrinth-type neutron beam forming device for neutron capture therapy, which is a second embodiment according to the present invention.
- the moderator 112 may be divided into a first region, a second region, and a third region.
- the first area and the third area may be disposed along a direction parallel to the axis x1 in the front-back direction.
- the second area may be disposed at a predetermined angle from the axis x1 in the front-back direction.
- the reflection surface formed at the boundary between the reflector 120 and the beam shaping module 110 may be disposed at two angles. That is, it may include a reflective surface parallel to the longitudinal axis and a reflective surface provided at a predetermined angle with the longitudinal axis.
- the second shield 113 may be provided at a position through which an axis in the front and rear direction can pass.
- FIG. 7 is a cross-sectional view of a labyrinth-type neutron beam forming device for neutron capture therapy, which is a third embodiment according to the present invention.
- the first shielding unit 111 and the second shielding unit 113 are disposed along an axis x1 in the front-back direction, and the inside of the moderator 112 has three axes. It can be configured to extend along.
- the moderator 112 includes a first area extending along an inclined axis x2 from a point connected to the first shielding part 111, and a second area extending along an axis x3 parallel to the longitudinal axis x1. 2 area, and a third area extending along the axis x4 extending toward the longitudinal axis.
- the reflective surface of the reflector 120 may form an inclined surface inclined at a positive angle and an inclined surface inclined at a negative angle based on a plane parallel to the forward and backward directions.
- FIG. 8 is a cross-sectional view of a labyrinth-type neutron beam forming device for neutron capture therapy, which is a fourth embodiment according to the present invention.
- the beam shaping device is configured in a rhombus shape, and the first shielding unit 111 may be provided at a predetermined angle rather than perpendicular to the axis x1 in the forward and backward direction.
- the second shield 113 may be provided at a position through which the axis x1 in the forward and backward direction passes.
- the first shielding unit 111, the moderator 112, and the second shielding unit 113 of the beam forming module 100 are along an axis x2 formed at a predetermined angle with the axis x1 in the forward and backward direction. Can be arranged in a straight line.
- the inclined surface may be formed at a boundary between the first shielding unit 111 , the moderator 112 and the second shielding unit 113 .
- FIG. 9 is a cross-sectional view of a labyrinth-type neutron beam forming device for neutron capture therapy, which is a fifth embodiment according to the present invention.
- the fifth embodiment may be divided into three regions S1 , S2 , and S3 similarly to the configuration of the moderator 112 in FIG. 2 .
- the first shielding unit 111 and the second shielding unit 113 may be parallel to each other, but may be provided in a direction that is not orthogonal to the axis x1 in the front-back direction.
- the beam shaping module 100 may be provided while the path is adjusted along the five axes (x2, x3, x4, x5, x6).
- the inclined surface may be formed at a boundary between the second area S2 among the first shielding unit 111, the second shielding unit 113, and the moderator 112.
- FIG. 10 is a cross-sectional view of a labyrinth-type neutron beam forming device for neutron capture therapy, which is a sixth embodiment according to the present invention.
- the first shielding part 111 and the second shielding part 113 may be disposed in a non-parallel state.
- the beam forming device may be formed in a trapezoidal shape as a whole.
- the first shielding part 111 is disposed along the axis x2 inclined with the axis x1 in the front and rear direction, and the moderator 112 may extend in parts along the three axes. At this time, the moderator 112 may be configured similarly to the case of being divided into three regions S1, S2, and S3 in the third embodiment.
- the first shielding unit 111 is disposed with the angle adjusted in the clockwise direction in FIG. 10 from the front-back axis x1, and the second shielding unit 113 is disposed along the front-back axis (x1). The angle may be adjusted in a counterclockwise direction from x1) and disposed.
- the maze-type neutron beam forming device for neutron capture treatment changes the path of the beam shaping device like a maze, and the angle of the reflecting surface is also provided at various angles from the axis in the forward and backward directions, so that the neutron flux is maintained and has the effect of drastically reducing the gamma ray flux.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
Description
Claims (12)
- 중성자의 이동방향을 따라 구비되며, 감마선 및 속중성자 플럭스를 감소시키고 열외 중성자 플럭스의 감소를 최소화 할 수 있도록 구성되는 중성자 빔 성형 모듈; 및상기 중성자 빔 성형 모듈의 둘레를 감싸며 구비되는 반사체를 포함하며,상기 중성자 빔 성형 모듈은 전방으로부터 후방에 이르는 축을 따라 구비되되, 적어도 일부가 상기 축과 상이한 경로를 따라 구비되는 중성자 포획치료를 위한 미로형 중성자 빔성형 장치.
- 제1 항에 있어서,상기 중성자 빔 성형 모듈은,상기 속중성자를 차폐할 수 있도록 구성되며, 중성자 발생용 타겟에 인접하여 배치되는 제1 차폐부;상기 제1 차폐부의 후단에 구비되며, 중성자의 에너지를 감소시킬 수 있도록 구성되는 감속재; 및상기 감속재의 후단에 구비되며, 열중성자 및 감마선을 차폐할 수 있도록 구성되는 제2 차폐부를 포함하는 중성자 포획치료를 위한 미로형 중성자 빔성형 장치.
- 제2 항에 있어서,상기 경사면은 상기 제1 차폐부, 상기 감속재 및 상기 제2 차폐부 중 적어도 하나의 경계에 형성되는 중성자 포획치료를 위한 미로형 중성자 빔성형 장치.
- 제3 항에 있어서,상기 중성자 빔 성형 모듈의 좌우측에 구비된 상기 반사면은 서로 비대칭으로 구비되는 중성자 포획치료를 위한 미로형 중성자 빔성형 장치.
- 제4 항에 있어서,상기 경사면은,상기 감속재와 상기 반사체의 경계면에 형성되며,적어도 두 개의 서로 다른 각도를 갖는 중성자 포획치료를 위한 미로형 중성자 빔성형 장치.
- 제5 항에 있어서,상기 서로 다른 두개의 경사면은 상기 입자빔의 이동방향과 평행한 평면으로부터 양의각 및 음의각을 두어 배치되는 중성자 포획치료를 위한 미로형 중성자 빔성형 장치.
- 제6 항에 있어서,상기 감속재와 상기 반사체의 경계면은 상기 입자빔의 조사 방향과 평행한 각도로 구비되는 반사면을 포함하는 중성자 포획치료를 위한 미로형 중성자 빔성형 장치.
- 제4 항에 있어서,상기 제1 차폐부와 상기 제2 차폐부는 서로 평행하게 구비되는 중성자 포획치료를 위한 미로형 중성자 빔성형 장치.
- 제8 항에 있어서,상기 제1 차폐부와 상기 제2 차폐부의 중심은 상기 입자빔의 조사 경로상에 위치되는 중성자 포획치료를 위한 미로형 중성자 빔성형 장치.
- 제8 항에 있어서,상기 제1 차폐부와 상기 제2 차폐부의 중심은 상기 입자빔의 조사경로와 상이한 지점에 위치되는 중성자 포획치료를 위한 미로형 중성자 빔성형 장치.
- 제4 항에 있어서,상기 제1 차폐부와 상기 제2 차폐부는 서로 다른 각도로 구비되는 중성자 포획치료를 위한 미로형 중성자 빔성형 장치.
- 제4 항에 있어서,상기 제1 차폐제는 상기 입자빔의 조사방향과 직교하지 않도록 배치되는 중성자 포획치료를 위한 미로형 중성자 빔성형 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2024525465A JP2024538286A (ja) | 2021-11-30 | 2022-11-16 | 中性子捕捉療法のための迷路型中性子ビーム成形装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2021-0169024 | 2021-11-30 | ||
KR1020210169024A KR102665678B1 (ko) | 2021-11-30 | 2021-11-30 | 중성자 포획치료를 위한 미로형 중성자 빔성형 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023101271A1 true WO2023101271A1 (ko) | 2023-06-08 |
Family
ID=86612674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2022/018101 WO2023101271A1 (ko) | 2021-11-30 | 2022-11-16 | 중성자 포획치료를 위한 미로형 중성자 빔성형 장치 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2024538286A (ko) |
KR (1) | KR102665678B1 (ko) |
WO (1) | WO2023101271A1 (ko) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007242422A (ja) * | 2006-03-08 | 2007-09-20 | Mitsubishi Heavy Ind Ltd | 中性子発生装置及び中性子照射システム |
US20150105604A1 (en) * | 2013-10-15 | 2015-04-16 | National Tsing Hua University | Filter and neutron beam source including the same |
JP2018092899A (ja) * | 2016-12-02 | 2018-06-14 | 財團法人工業技術研究院Industrial Technology Research Institute | 中性子ビーム源生成装置、および、そのフィルター |
JP2018161449A (ja) * | 2017-03-27 | 2018-10-18 | 株式会社八神製作所 | 中性子減速照射装置及び延長コリメータ |
CN111420307A (zh) * | 2020-04-16 | 2020-07-17 | 中国原子能科学研究院 | 中子束流装置及中子照射装置 |
KR20210082938A (ko) * | 2019-12-26 | 2021-07-06 | 주식회사 다원시스 | 중성자 빔 선속 증가를 위한 후방 반사장치를 포함하는 감속집합체 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5054335B2 (ja) * | 2006-07-18 | 2012-10-24 | 株式会社日立製作所 | ホウ素中性子捕捉療法用の医療装置 |
JP5154255B2 (ja) * | 2008-02-18 | 2013-02-27 | 住友重機械工業株式会社 | 中性子線照射装置 |
PL3032927T3 (pl) | 2014-12-08 | 2017-07-31 | Neuboron Medtech Ltd. | Zespół kształtowania wiązki do terapii wychwytu neutronów |
EP3369457B1 (en) * | 2015-11-26 | 2019-11-27 | Neuboron Medtech Ltd. | Beam shaping body for neutron capture therapy |
-
2021
- 2021-11-30 KR KR1020210169024A patent/KR102665678B1/ko active Active
-
2022
- 2022-11-16 WO PCT/KR2022/018101 patent/WO2023101271A1/ko active Application Filing
- 2022-11-16 JP JP2024525465A patent/JP2024538286A/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007242422A (ja) * | 2006-03-08 | 2007-09-20 | Mitsubishi Heavy Ind Ltd | 中性子発生装置及び中性子照射システム |
US20150105604A1 (en) * | 2013-10-15 | 2015-04-16 | National Tsing Hua University | Filter and neutron beam source including the same |
JP2018092899A (ja) * | 2016-12-02 | 2018-06-14 | 財團法人工業技術研究院Industrial Technology Research Institute | 中性子ビーム源生成装置、および、そのフィルター |
JP2018161449A (ja) * | 2017-03-27 | 2018-10-18 | 株式会社八神製作所 | 中性子減速照射装置及び延長コリメータ |
KR20210082938A (ko) * | 2019-12-26 | 2021-07-06 | 주식회사 다원시스 | 중성자 빔 선속 증가를 위한 후방 반사장치를 포함하는 감속집합체 |
CN111420307A (zh) * | 2020-04-16 | 2020-07-17 | 中国原子能科学研究院 | 中子束流装置及中子照射装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20230081191A (ko) | 2023-06-07 |
JP2024538286A (ja) | 2024-10-18 |
KR102665678B1 (ko) | 2024-05-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11583702B2 (en) | Neutron capture therapy system | |
RU2717363C1 (ru) | Блок формирования пучка для нейтрон-захватной терапии | |
JP6147296B2 (ja) | 中性子捕捉療法用ビーム整形アセンブリ | |
US10926108B2 (en) | Beam shaping assembly for neutron capture therapy | |
WO2018006551A1 (zh) | 中子治疗装置 | |
JPS60162947A (ja) | 減速体とビーム・ポートの組立体 | |
WO2016010398A1 (ko) | 방사선 치료기 및 방사선 치료기의 정도 관리 방법 | |
US5976066A (en) | Neutron capture therapies | |
CN109464749B (zh) | 中子捕获治疗系统 | |
CN109464751B (zh) | 中子捕获治疗系统 | |
KR101839369B1 (ko) | 붕소중성자포획치료(bnct) 시설 | |
CN108079443A (zh) | 一种用于中子俘获治疗的射束整形体 | |
WO2024136295A1 (ko) | 붕소중성자포획치료법의 성능 시험을 위한 중성자 검출기 | |
WO2020004794A1 (ko) | 동물용 방사선 치료기 | |
WO2023101271A1 (ko) | 중성자 포획치료를 위한 미로형 중성자 빔성형 장치 | |
WO2020235824A2 (ko) | 뇌 이상 단백질 치료를 위한 방사선 치료 시스템 및 이의 치료 방법 | |
TWI839257B (zh) | 中子捕獲治療系統 | |
Aizawa et al. | Remodeling and dosimetry on the neutron irradiation facility of the Musashi Institute of Technology Reactor for boron neutron capture therapy | |
WO2023016022A1 (zh) | 一种热中子束流整形装置 | |
WO2020091269A1 (ko) | 자기장 생성 장치 및 이를 구비하는 체내 선량 제어 조사 치료 장치 | |
WO2015102254A1 (ko) | 펜슬빔 주사 모드로 방출되는 치료용 양성자 선 검출 장치 | |
CN109464750B (zh) | 中子捕获治疗系统 | |
CN208405802U (zh) | 一种用于中子俘获治疗的射束整形体 | |
WO2022114829A1 (ko) | 붕소 중성자 포획치료 장치용 빔 성형장치 및 이를 포함하는 붕소 중성자 포획치료장치 | |
WO2021033900A1 (ko) | 진단용 방사선 장치에 장착 가능한 선량 조절 장치 및 이를 포함하는 선량 조절 시스템 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22901629 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18702955 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2024525465 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 22901629 Country of ref document: EP Kind code of ref document: A1 |