CN110604876A - Proton treatment equipment based on cyclotron - Google Patents
Proton treatment equipment based on cyclotron Download PDFInfo
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- CN110604876A CN110604876A CN201911013139.9A CN201911013139A CN110604876A CN 110604876 A CN110604876 A CN 110604876A CN 201911013139 A CN201911013139 A CN 201911013139A CN 110604876 A CN110604876 A CN 110604876A
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- proton
- heat conduction
- cyclotron
- heat
- flow blocking
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- 230000000903 blocking effect Effects 0.000 claims abstract description 55
- 238000001816 cooling Methods 0.000 claims abstract description 42
- 230000017525 heat dissipation Effects 0.000 claims abstract description 22
- 239000000110 cooling liquid Substances 0.000 claims abstract description 12
- 238000009833 condensation Methods 0.000 claims description 18
- 230000005494 condensation Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000002661 proton therapy Methods 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 238000003745 diagnosis Methods 0.000 claims 1
- 230000032258 transport Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 7
- 206010028980 Neoplasm Diseases 0.000 description 3
- 201000011510 cancer Diseases 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000001064 degrader Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002665 ion therapy Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
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
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N2005/002—Cooling systems
- A61N2005/005—Cooling systems for cooling the radiator
-
- 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
- A61N2005/1087—Ions; Protons
-
- 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
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- 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)
- Particle Accelerators (AREA)
Abstract
The invention provides proton treatment equipment based on a cyclotron, which comprises a proton cyclotron and a proton beam flow transport system used for transporting protons in the proton cyclotron, wherein the proton beam flow transport system transports the proton beams to a horizontal beam treatment room through a switch device, the switch device comprises a heat conduction beam flow blocking body, the right side of the heat conduction beam flow blocking body is a beam blocking surface, the left side of the heat conduction beam flow blocking body is provided with an inwards concave heat dissipation groove, an annular cooling chamber is arranged in the heat conduction beam flow blocking body, the cooling chamber is arranged around the heat dissipation groove, the cooling chamber is arranged close to the left side of the heat conduction beam flow blocking body, the upper side of the heat conduction beam flow blocking body is provided with heat dissipation holes, the heat dissipation holes are communicated with the cooling chamber, the proton treatment equipment further comprises a hollow tube body, the lower end of the hollow tube body is communicated with the heat dissipation holes, and the upper end of the hollow tube body is connected with, the cooling cavity is internally stored with cooling liquid.
Description
Technical Field
The invention relates to a proton treatment device based on a cyclotron.
Background
At present, the incidence of cancer in China is higher and higher, and the cancer becomes one of the biggest killers harmful to the health of people in China, and common treatment modes comprise operations, gamma knife, proton/heavy ion treatment and the like.
Proton/heavy ion therapy mainly utilizes an accelerator to generate proton/heavy ion beams with certain energy, and transmits beam current to a target area through each electromagnetic element to bombard tumor cells, thereby achieving the effect of treatment. Because the proton has a sharp Bragg peak in the substance, namely the energy of the proton is lost to the canceration position to the maximum extent, the proton can kill the canceration cells and protect the normal tissues to the maximum extent, so that the proton therapy becomes one of the most advanced malignant tumor treatment means in the world at present and is also one of the treatment means popular in the world at present.
The proton treatment device mainly comprises a proton accelerator, a beam transmission system, a rotating frame and the like, wherein the proton accelerator provides protons with proper energy and dosage, the rotating frame is used for positioning and treating tumors in any direction, the beam transmission system is connected with the proton accelerator and the rotating frame, the protons generated by the accelerator are transmitted to the rotating frame, and the focus is irradiated by enough energy, so that the proton treatment device is one of important structures in the proton treatment device.
The beam current blocking device is used as a component of a beam current transmission system and is used for quickly cutting off the beam current in a control system of a treatment device. Due to the high beam energy, the beam blocking device needs to be cooled. The current commonly used beam blocking device adopts water cooling, once cooling water activates pollution when the device is used in a water cooling mode, pollutants can be brought into the treatment device, and the dosage rate of the treatment device can be increased after the pollutants enter the treatment device, so that the treatment effect of the treatment device is influenced. And the cooling of the beam current blocking device needs to be carried out efficiently, so that the temperature of the beam current blocking device can be reduced rapidly.
Disclosure of Invention
Aiming at the problems pointed out in the background technology, the invention provides a multifunctional proton treatment device based on a cyclotron, wherein a beam blocking body of the proton treatment device radiates heat in a heat conduction mode, so that the heat radiation effect of the beam blocking body can be ensured, the pollution to a treatment device can be reduced, and the beam blocking device can be rapidly cooled, so that the good operation of the device is ensured, and the treatment effect is ensured.
The technical scheme of the invention is realized as follows:
a proton treatment device based on a cyclotron comprises a proton cyclotron and a proton beam flow transport system used for transporting protons in the proton cyclotron, wherein the proton beam flow transport system transmits proton beams to a horizontal beam treatment room through a switch device, the switch device comprises a heat conduction beam blocking body, the right side of the heat conduction beam blocking body is a beam blocking surface, an inwards concave radiating groove is arranged on the left side surface of the heat conduction beam blocking body, an annular cooling cavity is arranged in the heat conduction beam blocking body and surrounds the radiating groove, the cooling cavity is arranged close to the left side surface of the heat conduction beam blocking body, radiating holes are arranged on the upper side surface of the heat conduction beam blocking body and are communicated with the cooling cavity, the proton treatment device further comprises a hollow tube body, the lower end of the hollow tube body is communicated with the radiating holes, and the upper end of the hollow tube body is connected with a heat conduction condensate body, the cooling cavity is internally stored with cooling liquid.
Preferably, the horizontal beam treatment room comprises a horizontal beam transmission pipeline; the horizontal beam transmission pipeline is sequentially provided with a first focusing element for adjusting the proton beam envelope in the transmission pipeline, a first deflection magnet for generating a uniform dipolar magnetic field and deflecting the proton beam, a second focusing element for adjusting the deflected proton beam envelope in the transmission pipeline, a first scanning magnet for generating a rapidly-transformed dipolar magnetic field which is orthogonal to each other and is perpendicular to the proton beam direction, so that protons scan back and forth on a target to obtain a large-range uniform dose field, and a first treatment head for shaping and monitoring the proton beam entering a human body.
Preferably, the proton beam transport system sequentially comprises a seventh focusing element for adjusting the proton beam envelope in the transport pipeline, a guiding magnet for guiding the proton beam, a diagnostic device for measuring the cross section and the current intensity of the proton beam, an energy degrader for controlling the proton energy, and an eighth focusing element for adjusting the proton beam envelope after energy degradation according to the beam direction.
Preferably, the heat conduction condensation body is a conical structure with a large top and a small bottom, the heat conduction condensation body is hollow inside and provided with an opening at the lower end, and the lower end of the heat conduction condensation body is communicated with the hollow pipe body.
Preferably, the edge of the upper end face of the heat-conducting condensation body is provided with an annular surrounding edge protruding upwards, and the annular surrounding edge and the upper end face of the heat-conducting condensation body form a cooling water storage disc in a surrounding manner.
Preferably, the hollow pipe body is a heat-conducting hollow pipe body.
Preferably, the outer side wall of the hollow pipe body is provided with a radiating block.
Preferably, the heat-conducting beam current blocking body, the hollow tube body and the heat-conducting condensation body are all made of copper.
By adopting the technical scheme, the invention has the beneficial effects that:
(1) according to the proton treatment equipment based on the cyclotron, the beam blocking body dissipates heat in a heat conduction mode, so that the heat dissipation effect of the beam blocking body can be guaranteed, the pollution to a treatment device can be reduced, and the beam blocking device can be rapidly cooled to guarantee the good operation of the equipment and guarantee the treatment effect;
(2) according to the proton treatment equipment based on the cyclotron, the temperature of a beam blocking surface of a heat conduction beam blocking body can be increased after the beam blocking surface absorbs protons, heat can be transferred to a cooling cavity, the heat can avoid a heat dissipation groove due to the fact that the heat conduction beam blocking body is internally provided with the heat dissipation groove, a circular hot runner is formed and transferred to the cooling cavity, the circular hot runner just corresponds to the shape of the cooling cavity, the heat can be rapidly and intensively transferred to the cooling cavity, cooling liquid in the cooling cavity is heated to reach a boiling point and is evaporated, the evaporated cooling liquid moves to a heat conduction condensate body along a hollow pipe body, the evaporated cooling liquid is liquefied into a liquid state when contacting the heat conduction condensate body and flows to the cooling cavity, and heat exchange is carried out in a circulating mode to achieve the purpose of rapid cooling;
(3) according to the proton treatment equipment based on the cyclotron, the heat absorbed by the heat-conducting beam current blocking body can be quickly dissipated in a circulating cooling mode of the cooling liquid in the cooling chamber, the hollow pipe body and the inner cavity of the heat-conducting condensation body, so that the purpose of cooling is achieved; and realize the isolation with the treatment device, reduce the pollution to the treatment device.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the switching device of the present invention;
fig. 3 is a schematic structural diagram of the switching device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is illustrated below with reference to fig. 1-3:
a proton treatment device based on a cyclotron comprises a proton cyclotron 30 and a proton beam transportation system 40 used for transporting protons in the proton cyclotron 30, wherein the proton beam transportation system 40 transports a proton beam to a horizontal beam treatment room 60 through a switch device 50.
Preferably, the horizontal beam treatment room 60 comprises a horizontal beam transmission pipeline; the horizontal beam transmission pipeline is sequentially provided with a first focusing element 601 for adjusting the proton beam envelope in the transmission pipeline, a first deflection magnet 602 for generating a uniform dipolar magnetic field and deflecting the proton beam, a second focusing element 603 for adjusting the deflected proton beam envelope in the transmission pipeline, a first scanning magnet 604 for generating a rapidly-transformed dipolar magnetic field which is orthogonal to each other and is perpendicular to the proton beam direction, so that protons can scan back and forth on a target to obtain a large-range uniform dose field, and a first treatment head 605 for shaping and monitoring the proton beam entering a human body.
Preferably, the proton beam transport system 40 sequentially includes, in the beam direction, a seventh focusing element 401 for adjusting the envelope of the proton beam in the transport pipeline, a guiding magnet 402 for guiding the proton beam, a diagnostic device 403 for measuring the cross section and the current intensity of the proton beam, an energy degrader 404 for controlling the proton energy, and an eighth focusing element 405 for adjusting the envelope of the proton beam after energy degradation.
The switch device 50 comprises a heat conduction beam flow blocking body 1, and a beam blocking surface 2 is arranged on the right side of the heat conduction beam flow blocking body 1.
The left side surface of the heat conduction beam flow blocking body 1 is provided with an inwards concave heat radiation groove 3.
The heat conduction beam flow blocking body 1 is internally provided with an annular cooling chamber 4, the cooling chamber 4 is arranged around the heat dissipation groove 3, and the cooling chamber 4 is arranged close to the left side face of the heat conduction beam flow blocking body 1.
The upper side surface of the heat conduction beam flow blocking body 1 is provided with heat dissipation holes 5, and the heat dissipation holes 5 are communicated with the cooling chamber 4.
The heat dissipation device is characterized by further comprising a hollow pipe body 6, the lower end of the hollow pipe body 6 is communicated with the heat dissipation holes 5, the upper end of the hollow pipe body 6 is connected with a heat conduction condensation body 7, and cooling liquid is stored in the cooling chamber 4.
Preferably, the heat-conducting condensation body 7 is a conical structure with a large top and a small bottom, the heat-conducting condensation body 7 is hollow inside and provided with an opening at the lower end, and the lower end of the heat-conducting condensation body 7 is communicated with the hollow pipe body 6.
Preferably, an annular surrounding edge 8 protruding upwards is arranged at the edge of the upper end face of the heat-conducting condensation body 7, the annular surrounding edge 8 and the upper end face of the heat-conducting condensation body 7 form a cooling water storage disc 9 in a surrounding manner, and cooling water is stored in the cooling water storage disc 9.
Preferably, the hollow pipe 6 is a heat-conducting hollow pipe 6.
Preferably, the heat dissipation block 10 is mounted on the outer side wall of the hollow tube body 6.
Preferably, the heat-conducting beam blocking body 1, the hollow tube body 6 and the heat-conducting condensation body 7 are all made of copper.
By adopting the technical scheme, the invention has the beneficial effects that:
according to the proton treatment equipment based on the cyclotron, the beam blocking body dissipates heat in a heat conduction mode, so that the heat dissipation effect of the beam blocking body can be guaranteed, the pollution to a treatment device can be reduced, and the beam blocking device can be rapidly cooled to guarantee the good operation of the equipment and guarantee the treatment effect;
according to the proton treatment equipment based on the cyclotron, the temperature of a beam blocking surface of a heat conduction beam blocking body can be increased after the beam blocking surface absorbs protons, heat can be transferred to a cooling cavity, the heat can avoid a heat dissipation groove due to the fact that the heat conduction beam blocking body is internally provided with the heat dissipation groove, a circular hot runner is formed and transferred to the cooling cavity, the circular hot runner just corresponds to the shape of the cooling cavity, the heat can be rapidly and intensively transferred to the cooling cavity, cooling liquid in the cooling cavity is heated to reach a boiling point and is evaporated, the evaporated cooling liquid moves to a heat conduction condensate body along a hollow pipe body, the evaporated cooling liquid is liquefied into a liquid state when contacting the heat conduction condensate body and flows to the cooling cavity, and heat exchange is carried out in a circulating mode to achieve the purpose of rapid cooling;
according to the proton treatment equipment based on the cyclotron, the heat absorbed by the heat-conducting beam current blocking body can be quickly dissipated in a circulating cooling mode of the cooling liquid in the cooling chamber, the hollow pipe body and the inner cavity of the heat-conducting condensation body, so that the purpose of cooling is achieved; and realize the isolation with the treatment device, reduce the pollution to the treatment device.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A cyclotron-based proton therapy device, characterized by: comprises a proton cyclotron and a proton beam transport system used for transporting protons in the proton cyclotron, wherein the proton beam transport system transmits proton beams to a horizontal beam treatment room through a switching device, the switch device comprises a heat conduction beam flow blocking body, the right side of the heat conduction beam flow blocking body is a beam flow blocking surface, an inwards concave heat dissipation groove is arranged on the left side of the heat conduction beam flow blocking body, an annular cooling cavity is arranged in the heat conduction beam flow blocking body and surrounds the heat dissipation groove, the cooling cavity is arranged close to the left side of the heat conduction beam flow blocking body, heat dissipation holes are arranged on the upper side of the heat conduction beam flow blocking body, the heat dissipation holes are communicated with the cooling chamber, the cooling chamber also comprises a hollow pipe body, the lower end of the hollow pipe body is communicated with the heat dissipation holes, the upper end of the hollow pipe body is connected with a heat conduction condensing body, and cooling liquid is stored in the cooling cavity.
2. A cyclotron-based proton therapy apparatus as claimed in claim 1, wherein: the horizontal beam treatment room comprises a horizontal beam transmission pipeline; the horizontal beam transmission pipeline is sequentially provided with a first focusing element for adjusting the proton beam envelope in the transmission pipeline, a first deflection magnet for generating a uniform dipolar magnetic field and deflecting the proton beam, a second focusing element for adjusting the deflected proton beam envelope in the transmission pipeline, a first scanning magnet for generating a rapidly-transformed dipolar magnetic field which is orthogonal to each other and is perpendicular to the proton beam direction, so that protons scan back and forth on a target to obtain a large-range uniform dose field, and a first treatment head for shaping and monitoring the proton beam entering a human body.
3. A cyclotron-based proton therapy apparatus as claimed in claim 2, wherein: the proton beam transport system sequentially comprises a seventh focusing element for adjusting the proton beam envelope in a transmission pipeline, a guide magnet for guiding the proton beam, a diagnosis device for measuring the section and the flow intensity of the proton beam, an energy reducer for controlling the energy of protons and an eighth focusing element for adjusting the proton beam envelope after energy reduction according to the beam direction.
4. A cyclotron-based proton therapy apparatus as claimed in claim 3, wherein: the heat conduction condensation body is of a conical structure with a large upper part and a small lower part, the heat conduction condensation body is hollow inside and is provided with a lower end opening, and the lower end of the heat conduction condensation body is communicated with the hollow pipe body.
5. A cyclotron-based proton therapy apparatus as claimed in claim 4, wherein: the edge of the upper end face of the heat conduction condensing body is provided with an upward convex annular surrounding edge, and the annular surrounding edge and the upper end face of the heat conduction condensing body form a cooling water storage disc in a surrounding mode.
6. A cyclotron-based proton therapy apparatus as claimed in claim 5, wherein: the hollow pipe body is a heat-conducting hollow pipe body.
7. A cyclotron-based proton therapy apparatus as claimed in claim 6, wherein: and the outer side wall of the hollow pipe body is provided with a radiating block.
8. A cyclotron-based proton therapy apparatus as claimed in claim 7, wherein: the heat-conducting beam flow blocking body, the hollow tube body and the heat-conducting condensing body are all made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911013139.9A CN110604876A (en) | 2019-10-23 | 2019-10-23 | Proton treatment equipment based on cyclotron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911013139.9A CN110604876A (en) | 2019-10-23 | 2019-10-23 | Proton treatment equipment based on cyclotron |
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| CN110604876A true CN110604876A (en) | 2019-12-24 |
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| CN201911013139.9A Pending CN110604876A (en) | 2019-10-23 | 2019-10-23 | Proton treatment equipment based on cyclotron |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115315056A (en) * | 2022-08-18 | 2022-11-08 | 清华大学 | High-power beam cutting device with measuring function |
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| CN106139420A (en) * | 2016-07-29 | 2016-11-23 | 中国原子能科学研究院 | Proton therapy system based on cyclotron |
| CN108633160A (en) * | 2018-07-28 | 2018-10-09 | 中国原子能科学研究院 | A kind of proton precessional magnetometer beam cooling device |
| CN108895874A (en) * | 2018-07-04 | 2018-11-27 | 中国原子能科学研究院 | A kind of cooling device for proton beam irradiation experiment test target |
| WO2019071977A1 (en) * | 2017-10-12 | 2019-04-18 | 合肥中科离子医学技术装备有限公司 | Compact superconducting cyclotron-based proton therapy system |
| CN211050748U (en) * | 2019-10-23 | 2020-07-21 | 北京中百源国际科技创新研究有限公司 | Proton treatment equipment based on cyclotron |
-
2019
- 2019-10-23 CN CN201911013139.9A patent/CN110604876A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100294655A1 (en) * | 2009-05-20 | 2010-11-25 | Korea Institute Of Radiological & Medical Sciences | Radioisotope production o-18 water target having improved cooling performance |
| CN106139420A (en) * | 2016-07-29 | 2016-11-23 | 中国原子能科学研究院 | Proton therapy system based on cyclotron |
| WO2019071977A1 (en) * | 2017-10-12 | 2019-04-18 | 合肥中科离子医学技术装备有限公司 | Compact superconducting cyclotron-based proton therapy system |
| CN108895874A (en) * | 2018-07-04 | 2018-11-27 | 中国原子能科学研究院 | A kind of cooling device for proton beam irradiation experiment test target |
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| CN211050748U (en) * | 2019-10-23 | 2020-07-21 | 北京中百源国际科技创新研究有限公司 | Proton treatment equipment based on cyclotron |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115315056A (en) * | 2022-08-18 | 2022-11-08 | 清华大学 | High-power beam cutting device with measuring function |
| CN115315056B (en) * | 2022-08-18 | 2024-05-28 | 清华大学 | High-power beam cutter with measurement function |
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