CN105120590A - Medical radio isotope production system - Google Patents
Medical radio isotope production system Download PDFInfo
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- CN105120590A CN105120590A CN201510579270.7A CN201510579270A CN105120590A CN 105120590 A CN105120590 A CN 105120590A CN 201510579270 A CN201510579270 A CN 201510579270A CN 105120590 A CN105120590 A CN 105120590A
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Abstract
The invention discloses a medical radio isotope production system, and the system comprises an RFQ (radio-frequency quadrupole field) accelerator system and a target station device. The RFQ accelerator system is used for generating ions, and speeding up and conveying an ion beam. The target station device is connected with the RFQ accelerator system, and is used for leading the ion beam inwards, employing the ion beam for targeting so as to generate radio isotope and leading the radio isotope outwards. The system can achieve the application of the RFQ accelerator in the field of radio isotope production, is compact in structure, is small in size, is convenient to install, and is low in cost.
Description
Technical field
The invention belongs to medicine technology field, particularly relate to a kind of medical radioisotope production system.
Background technology
At present, radioisotope has the application in many medical treatment, imaging and research field.Such as, in field of medical applications, boron neutron capture therapy utilizes radioactive isotope therapy to go cancer, and its general principle is to apply thermal neutron and irradiates and be gathered in tumor locus
10b,
10b forms isotope after capturing neutron
11b,
11b is split into heavy ion rapidly
7li and α, and then killing off tumor cells.
In prior art, the radioisotope of clinical practice can obtain in several ways, as accelerator production, reactor are produced, extracted from fission product.Wherein, in the accelerator mode of production, radio frequency four polar field (RadioFrequencyQuadrupole, RFQ) accelerator is because the advantages such as its line is strong, quality better, volume are little, easy to use are through being usually used in the injector of all kinds of accelerator, it is proposed in 1970 by subfamily husband in former Soviet Union study of high energy physics institute scientist Kapp Qin Siji and Mortopl the earliest, rfq accelerator utilizes high frequency quadripolar electric field realize particle beams transverse focusing simultaneously and longitudinally accelerate, also extensive use and the occasion such as ion implantor, strong neutron source.But, independently rfq accelerator is applied to medical radioisotope production field and is also in the blank stage.
Summary of the invention
In view of this, embodiments provide a kind of medical radioisotope production system, realize the application of rfq accelerator at medical radioisotope production field, and compact conformation, volume are little, easy for installation and cost is low.
Embodiments provide a kind of medical radioisotope production system, comprising: radio frequency four polar field rfq accelerator system and target station arrangement;
Described rfq accelerator system, for generation of ion, and accelerates the line of ion and transports;
Described target station arrangement is connected with described RFQ accelerating system, for being introduced by the line of ion, and utilizing the line of ion to practice shooting, to produce radioisotope, and being drawn by radioisotope.
Further, described rfq accelerator system, comprising: ion source, transfers section, rfq accelerator, high energy transmission section, radio frequency power source and control system;
Described ion source is connected with transfers section, for generation of ion;
Described transfers section is connected with rfq accelerator, for regulating the line of ion;
Described rfq accelerator is connected with high energy transmission section, for accelerating the line of ion;
Described high energy transmission section is connected with target station arrangement, for regulating the line of the ion after acceleration, with the requirement making the line of ion meet target practice;
Described radio frequency power source is connected with rfq accelerator, for providing radiofrequency signal for rfq accelerator;
Described control system is connected with ion source, transfers section, rfq accelerator, high energy transmission section and target station arrangement respectively, for controlling ion source, transfers section, rfq accelerator, high energy transmission section and target station arrangement.
Further, described ion is proton or deuterium ion.
Further, described transfers section, comprising: the first solenoidal lens, the first guidance magnets, the second guidance magnets and the second solenoidal lens;
Described first solenoidal lens is connected with ion source, for focusing on ion, to regulate the elliptic parameter of the line of ion;
Described first guidance magnets is connected with the first helical lens, for carrying out the adjustment of X-direction to the line of ion;
Described second guidance magnets is connected with described first guidance magnets, for carrying out the adjustment of Y-direction to the line of ion;
Described second solenoidal lens is connected with the second guidance magnets, for the line of ion after regulating direction with regard to line focusing, to regulate the elliptic parameter of the line of ion.
Further, described rfq accelerator is four aerofoil profiles or four rod-type;
Described rfq accelerator, for accelerating the line of ion;
Described rfq accelerator inside is provided with the first cooling system, and described first cooling system, for lowering the temperature to rfq accelerator.
Further, described high energy transmission section comprises: fast valve, magnetic steering, three combination quadrupole lenss, bundle examine chamber and beam transformer;
Described fast valve, is located at the exit of rfq accelerator, for when target station arrangement is punctured generation vacuum leak by the line of ion, protects the vacuum of described ion source, transfers section and rfq accelerator;
Described magnetic steering is connected with rfq accelerator through fast valve, for the line off-axis state of ion and angled state amount are led back to sympodium zero drift angle state;
Described three combination quadrupole lenss are connected with magnetic steering, for focusing on the line of ion, control the bundle spot size that ion beam current bombards target;
Described bundle is examined chamber and three and is combined quadrupole lens and be connected, and described bundle is examined in chamber and is provided with beam position detector and fluorescent target beam simulation device; Described beam position detector, for carrying out the monitoring of positional information to the line of ion; Described fluorescent target beam simulation device, for obtaining the beam profile information of ion;
Described beam transformer and bundle are examined chamber and are connected, for recording and show the beam intensity of ion.
Further, described radio frequency power source comprises: high frequency transmitter, coaxial feed tube, coupling power ring and the second cooling system;
Described high frequency transmitter, for emission of high frequency signals;
Described coaxial feed tube is connected with high frequency transmitter, for being transmitted by the power of high-frequency signal;
Described coupling power ring is connected with coaxial feed tube and rfq accelerator respectively, for by the coupling power of high-frequency signal on coaxial feed tube in rfq accelerator;
Described the second cooling system is located at radio frequency power source inside, lowers the temperature for radio frequency power source.
Further, described high frequency transmitter comprises: signal generator, solid-state amplifier, pre-amplifier and final amplifier;
Described signal generator is connected with solid-state amplifier input; Described solid-state amplifier output is connected with the input of pre-amplifier; The output of described pre-amplifier is connected with the input of final amplifier; The output of described final amplifier is connected with rfq accelerator.
Further, described target station arrangement comprises: target nucleus, shield, beam channel, extraction duct and the 3rd cooling system;
Described target nucleus, for generation of radioisotope;
Described shield wraps up described target nucleus, for shielding the radioisotope that target nucleus produces;
Described beam channel is located at the inside of shield, and the entrance of described beam channel is located on the surface of shield, and the entrance of described beam channel is connected with high energy transmission section by pipeline; The outlet of described beam channel is connected with target nucleus one end, and described beam channel is used for the line of ion to be incorporated into target nucleus;
The inside of shield is located in described extraction duct, and the described one end in extraction duct is connected with the other end of target nucleus, draws for the radioisotope produced by target nucleus;
It is inner that target station arrangement is located at by described 3rd cooling system, for lowering the temperature to target station arrangement.
A kind of medical radioisotope production system provided by the invention, produces ion by described rfq accelerator system, and accelerates the line of ion and transport; Carried out the target practice of the line of ion by described target station arrangement, to produce radioisotope, and radioisotope is drawn.The present invention can realize the application of rfq accelerator at medical radioisotope production field, and compact conformation, volume are little, easy for installation and cost is low.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the structured flowchart of a kind of medical radioisotope production system that the embodiment of the present invention one provides;
Fig. 2 is the cut-away view of the four aerofoil profile rfq accelerators that the embodiment of the present invention one provides;
Fig. 3 is the cut-away view of the four rod-type rfq accelerators that the embodiment of the present invention one provides;
Fig. 4 is the structured flowchart of a kind of medical radioisotope production system that the embodiment of the present invention two provides
Fig. 5 is the part-structure figure of the target station arrangement provided of the embodiment of the present invention two;
Fig. 6 is the profile of the target station arrangement that the embodiment of the present invention two provides.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not full content.
Embodiment one
The structured flowchart of a kind of medical radioisotope production system that Fig. 1 provides for the embodiment of the present invention one; As shown in Figure 1, described production system, comprising: radio frequency four polar field rfq accelerator system 110 and target station arrangement 120.
Wherein, described rfq accelerator system 110, for generation of ion, and accelerates the line of ion and transports; Described target station arrangement 120 is connected with described RFQ accelerating system 110, for being introduced by the line of ion, and utilizing the line of ion to practice shooting, to produce radioisotope, and being drawn by radioisotope.
Described rfq accelerator system 110, comprising: ion source 111, transfers section 112, rfq accelerator 113, high energy transmission section 114, radio frequency power source 115 and control system 116.
Described ion source 111 is connected with transfers section 112, for generation of ion.Wherein, ion source 111 can adopt electron cyclotron resonace (ElectronCyclotronResonanc, ECR) ion source or penning source, the ion produced is preferably proton or deuterium ion, described ion can also be other ion, ion outlet energy is tens kiloelectron-volts, and beam intensity is milliampere magnitude.
Described transfers section 112 is connected with rfq accelerator 113, for regulating the line of ion;
Described rfq accelerator 113 is connected with high energy transmission section 114, for accelerating the line of ion; Wherein, described rfq accelerator is four aerofoil profiles or four rod-type.Fig. 2 is the cut-away view of the four aerofoil profile rfq accelerators that the embodiment of the present invention one provides, as shown in Figure 2, four electrodes 210 and supporting construction are integrated, extend always and be fixed on the wall of chamber, this construction machine intensity is large, easily, water-cooled effect is also very good for the processing of water-cooling system loop, is applicable to CW and runs.Four aerofoil profile rfq accelerator operating frequency ranges, generally at 200MHz-400MHz, are therefore more suitable for accelerating lighter particle.
Fig. 3 is the cut-away view of the four rod-type rfq accelerators that the embodiment of the present invention one provides, and as shown in Figure 3, electrode 220 is bars of four modulation variation, and the mode that supporting bracket 230 alternately changes with left and right supports electrode.Four wings (supporting construction) of four aerofoil profile rfq accelerators are respectively at four quadrants, and four rod-type rfq accelerator supporting constructions are only in side, therefore under same frequency, the structure of the latter is compacter, need effective water-cooling system to cool in real work, therefore it is also more suitable for work in the pulsing mode.Four rod-type rfq accelerator operating frequencies, generally between tens MHz to 200MHz, are applicable to accelerating heavier ion.
In the present embodiment, rfq accelerator, to after the beam acceleration of ion, makes the energy of ion between zero to tens of MeV, and the energy needed for ion target practice is different, and rfq accelerator is also different.
Described high energy transmission section 114 is connected with target station arrangement 120, for regulating the line of the ion after acceleration, with the requirement making the line of ion meet target practice; Described radio frequency power source 115 is connected with rfq accelerator 113, for providing radiofrequency signal for rfq accelerator 113.
Described control system 116 is connected with ion source 111, transfers section 112, rfq accelerator 113, high energy transmission section 114 and target station arrangement 120 respectively, for controlling ion source 111, transfers section 112, rfq accelerator 113, high energy transmission section 114 and target station arrangement 120.Wherein, control system 116 can to control from ion source 111 ion energy out, controls the size of electric current in transfers section 112 and then realize regulating, controls the size of electric current in the output of rfq accelerator 113 power, control high energy transmission section 114 and then realization to regulate the line of ion to the line of ion, control in target station arrangement 120 radioisotopic production etc.
On the basis of above-described embodiment, control system 116 also has other controlling functions; The program of control system 116 is by writing by editing controller (PLC).
The course of work of above-mentioned production system is as follows: as shown in Figure 1, after ion source 111 produces ion, enter transfers section 112, focus on by the line of transfers section 112 pairs of ions and regulate on the beam direction of ion, enter rfq accelerator 113.In rfq accelerator 113, the line of ion is accelerated, make ion obtain higher energy; The line of ion from rfq accelerator 113 out after, enter into high energy transmission section 114, high energy transmission section 114 pairs of ions regulate, comprising the adjustment etc. of the beam focusing of ion, the beam intensity of ion.The line of ion, after high energy transmission section 114, enters target station arrangement 120, practices shooting in target station arrangement 120, produces radioisotope, is drawn by radioisotope finally by target station arrangement 120.Wherein, in above process, radio frequency power source 115 provides radiofrequency signal, by the coupling power of radiofrequency signal in rfq accelerator 113 for rfq accelerator 113; Control system 116 pairs of ion sources 111, transfers section 112, rfq accelerator 113, high energy transmission section 114 and target station arrangement 120 control.
The embodiment of the present invention one provides a kind of medical radioisotope production system, produces ion, and accelerate the line of ion and transport by described rfq accelerator system; Carried out the target practice of the line of ion by described target station arrangement, to produce radioisotope, and radioisotope is drawn.The embodiment of the present invention can realize the application of rfq accelerator at medical radioisotope production field, and compact conformation, volume are little, easy for installation and cost is low.
Embodiment two
Fig. 4 is the structured flowchart of a kind of medical radioisotope production system that the embodiment of the present invention two provides; The basis of above-described embodiment one is optimized each device.As shown in Figure 4, described transfers section 112, comprising: the first solenoidal lens 1121, first guidance magnets 1122, second guidance magnets 1123 and the second solenoidal lens 1124; Wherein, described first solenoidal lens 1121 is connected with ion source 111, for focusing on ion, to regulate the elliptic parameter of the line of ion; Described first guidance magnets 1122 is connected with the first helical lens 1121, for carrying out the adjustment of X-direction to the line of ion; Described second guidance magnets 1123 is connected with described first guidance magnets 1122, for carrying out the adjustment of Y-direction to the line of ion; Described second solenoidal lens 1124 is connected with the second guidance magnets 1123, for the line of ion after regulating direction with regard to line focusing, to regulate the elliptic parameter of the line of ion.
In the present embodiment, the first solenoidal lens 1121 and the second solenoidal lens all can adopt the mode being wound around wire in a metallic cylinder to make, and the line of ion passes through in metallic cylinder; In wire, energising can produce magnetic field, changes the size of electric current in wire, can change the size in magnetic field, can realize focusing on the line of ion by the first solenoidal lens 1121 and the second solenoidal lens 1124.First guidance magnets 1122 and the second guidance magnets 1123 are all electromagnet, by guiding power supply, the first guidance magnets 1122 and the second guidance magnets 1123 are energized (not shown), guiding power supply can realize the continuously adjustabe of reversal, and namely leading in x and y direction can positive and negative continuously adjustabe to the line of ion.In transfers section, first solenoidal lens 1121, first guidance magnets 1122, second guidance magnets 1123 and the second solenoidal lens 1124 all seal, argon gas is passed into as space charge compensation in transfers section, suppress the growth of emittance, air inlet regulates between 0.1-0.35sccm, and air pressure is about 5.3 × 10
-3pa.
On the basis of above-described embodiment, at the end of transfers section, a line can also be set and absorb cone and beam detector (not shown).Wherein, line absorbs cone, for the electrode preventing the bundle of ion from swooning in bombardment rfq accelerator; Beam detector, for the beam intensity of detect ion, to make to control the line of ion.
On the basis of above-described embodiment, described rfq accelerator 113, for accelerating the line of ion; Described rfq accelerator 113 inside is provided with the first cooling system 1131, and described first cooling system 1131, for lowering the temperature to rfq accelerator 113.Wherein, the electrode in described rfq accelerator 113 is four and makes along beam direction near sinusoidal modulator electrode.Encouraged by rational radio frequency (RF), adjacent electrode band xenogenesis current potential can be made, comparative electrode band current potential of the same race, thus not only lateral quadrupole focusing electric field can be produced, and create longitudinal high frequency accelerating field, and make rfq accelerator can realize accelerating the line of ion, again can at the focussing force being laterally subject to higher strong-focusing quadripolar electric field, compact conformation, compact.
On the basis of above-described embodiment, as shown in Figure 4, described high energy transmission section comprises: fast valve 1141, magnetic steering 1142, three combine quadrupole lens 1143, bundle examines chamber 1144 and beam transformer 1145.Described fast valve 1141, be located at the exit of rfq accelerator 113, with outside be positioned at vacuum detection device near target station arrangement 120 with the use of, if target station arrangement 120 is punctured generation vacuum leak by the line of ion, described fast valve 1141 can cut out and protect the vacuum of ion source 111, transfers section 112 and rfq accelerator 113 within the 1-2ms time; Described magnetic steering 1142 is connected with rfq accelerator 113 through fast valve 1141, the line off-axis state of ion and angled state amount is led back to sympodium zero drift angle state; Described three combination quadrupole lenss 1143 are connected with magnetic steering 1142, for focusing on the line of ion, control the bundle spot size that ion beam current bombards target; Described bundle is examined chamber 1144 and three and is combined quadrupole lens 1143 and be connected, and described bundle is examined in chamber 1144 and is provided with beam position detector 11441 and fluorescent target beam simulation device 11442; Described beam position detector 11441, for carrying out the monitoring of positional information to the line of ion; Described fluorescent target beam simulation device 11442, for obtaining the beam profile information of ion; Described beam transformer 1145 and bundle are examined chamber 1144 and are connected, for recording and show the beam intensity of ion.Wherein, magnetic steering 1142 is magnet, produces magnetic field, has guide effect to the line of ion.
On the basis of above-described embodiment, as shown in Figure 4, described radio frequency power source 115 comprises: high frequency transmitter 1151, coaxial feed tube 1152, coupling power ring 1153 and the second cooling system 1154; Described high frequency transmitter 1151, for emission of high frequency signals; Described coaxial feed tube 1152 is connected with high frequency transmitter 1151, for being transmitted by the power of high-frequency signal; Described coupling power ring 1153 is connected with coaxial feed tube 1152 and rfq accelerator 113 respectively, for by the coupling power of high-frequency signal on coaxial feed tube 1152 in rfq accelerator 113; It is inner that described the second cooling system 1154 is located at radio frequency power source 115, lowers the temperature for radio frequency power source 115.Wherein, coaxial feed tube 1152 is concentric hollow copper tubings.Carry out in the process of power transimission at high frequency transmitter 1151 to rfq accelerator 113, the power penetrating high-frequency signal that coaxial feed tube 1152 transmits can not directly be added on rfq accelerator 113, to need the coupling power of radiofrequency signal on coaxial feed tube 1152 through coupling power ring 1153 in rfq accelerator 113.
In the present embodiment, as shown in Figure 4, described high frequency transmitter 1151 comprises: signal generator 11511, solid-state amplifier 11512, pre-amplifier 11513 and final amplifier 11514; Wherein, described signal generator 11511 is connected with solid-state amplifier 11512 input; Described solid-state amplifier 11512 output is connected with the input of pre-amplifier 11513; The output of described pre-amplifier 11513 is connected with the input of final amplifier 11514; The output of described final amplifier 11514 is connected with rfq accelerator 113.
Concrete, the power of the radiofrequency signal that signal generator 11511 is launched is a few milliwatt, via solid-state amplifier 11512 by power amplification to several kilowatts, tens kilowatts are amplified to again by pre-amplifier 11513, finally be amplified to hundreds of kilowatt by final amplifier 11514, draw through coaxial feed tube 1152, by the power feed of radiofrequency signal in rfq accelerator 113.
On the basis of above-described embodiment, as shown in Figure 4, described target station arrangement 120 comprises: target nucleus 121, shield 122, beam channel 123, extraction duct 124 and the 3rd cooling system 125; Wherein, described target nucleus 121, for generation of radioisotope; Described shield 122 wraps up described target nucleus 121, for shielding the radioisotope that target nucleus 121 produces.
In the present embodiment, as shown in Figure 5 and Figure 6, described beam channel 123 is located at the inside of shield 122, and the entrance of described beam channel 123 is located on the surface of shield 122, and the entrance of described beam channel 123 is connected with high energy transmission section by pipeline; The outlet of described beam channel 123 is connected with target nucleus 121 one end, and described beam channel 123 is for being incorporated into target nucleus 121 by the line of ion; The inside of shield 122 is located in described extraction duct 124, and the one end in described extraction duct 124 is connected with the other end of target nucleus 121, draws for the radioisotope produced by target nucleus 121; It is inner that target station arrangement 120 is located at by described 3rd cooling system 125, for lower the temperature to target station arrangement (shown in Fig. 4).
In the present embodiment, target nucleus can be selected as required, the line of the ion after being accelerated by rfq accelerator practice shooting produce medical radioisotope as
11c,
13n,
15o,
18f,
123i,
67ga etc.
On the basis of above-described embodiment, radioisotopic generation can also be the following mode of production, after the beam acceleration of ion, produce after bombarding some specific target nucleus more than 10
13the neutron of n/s yield, neutron reacts with target further and produces radioisotope.
A kind of medical radioisotope generation system that the embodiment of the present invention two provides, the basis of above-described embodiment one is optimized each device, can realize the application of rfq accelerator at medical radioisotope production field, and compact conformation, volume are little, easy for installation and cost is low.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (9)
1. a medical radioisotope production system, is characterized in that, comprising: radio frequency four polar field rfq accelerator system and target station arrangement;
Described rfq accelerator system, for generation of ion, and accelerates the line of ion and transports;
Described target station arrangement is connected with described RFQ accelerating system, for being introduced by the line of ion, and utilizing the line of ion to practice shooting, to produce radioisotope, and being drawn by radioisotope.
2. system according to claim 1, is characterized in that, described rfq accelerator system, comprising: ion source, transfers section, rfq accelerator, high energy transmission section, radio frequency power source and control system;
Described ion source is connected with transfers section, for generation of ion;
Described transfers section is connected with rfq accelerator, for regulating the line of ion;
Described rfq accelerator is connected with high energy transmission section, for accelerating the line of ion;
Described high energy transmission section is connected with target station arrangement, for regulating the line of the ion after acceleration, with the requirement making the line of ion meet target practice;
Described radio frequency power source is connected with rfq accelerator, for providing radiofrequency signal for rfq accelerator;
Described control system is connected with ion source, transfers section, rfq accelerator, high energy transmission section and target station arrangement respectively, for controlling ion source, transfers section, rfq accelerator, high energy transmission section and target station arrangement.
3. system according to claim 2, is characterized in that, described ion is proton or deuterium ion.
4. system according to claim 2, is characterized in that, described transfers section, comprising: the first solenoidal lens, the first guidance magnets, the second guidance magnets and the second solenoidal lens;
Described first solenoidal lens is connected with ion source, for focusing on ion, to regulate the elliptic parameter of the line of ion;
Described first guidance magnets is connected with the first helical lens, for carrying out the adjustment of X-direction to the line of ion;
Described second guidance magnets is connected with described first guidance magnets, for carrying out the adjustment of Y-direction to the line of ion;
Described second solenoidal lens is connected with the second guidance magnets, for the line of ion after regulating direction with regard to line focusing, to regulate the elliptic parameter of the line of ion.
5. system according to claim 2, is characterized in that,
Described rfq accelerator is four aerofoil profiles or four rod-type;
Described rfq accelerator, for accelerating the line of ion;
Described rfq accelerator inside is provided with the first cooling system, and described first cooling system, for lowering the temperature to rfq accelerator.
6. system according to claim 2, is characterized in that, described high energy transmission section comprises: fast valve, magnetic steering, three combination quadrupole lenss, bundle examine chamber and beam transformer;
Described fast valve, is located at the exit of rfq accelerator, for when target station arrangement is punctured generation vacuum leak by the line of ion, protects the vacuum of described ion source, transfers section and rfq accelerator;
Described magnetic steering is connected with rfq accelerator through fast valve, for the line off-axis state of ion and angled state amount are led back to sympodium zero drift angle state;
Described three combination quadrupole lenss are connected with magnetic steering, for focusing on the line of ion, control the bundle spot size that ion beam current bombards target;
Described bundle is examined chamber and three and is combined quadrupole lens and be connected, and described bundle is examined in chamber and is provided with beam position detector and fluorescent target beam simulation device; Described beam position detector, for carrying out the monitoring of positional information to the line of ion; Described fluorescent target beam simulation device, for obtaining the beam profile information of ion;
Described beam transformer and bundle are examined chamber and are connected, for recording and show the beam intensity of ion.
7. system according to claim 2, is characterized in that, described radio frequency power source comprises: high frequency transmitter, coaxial feed tube, coupling power ring and the second cooling system;
Described high frequency transmitter, for emission of high frequency signals;
Described coaxial feed tube is connected with high frequency transmitter, for being transmitted by the power of high-frequency signal;
Described coupling power ring is connected with coaxial feed tube and rfq accelerator respectively, for by the coupling power of high-frequency signal on coaxial feed tube in rfq accelerator;
Described the second cooling system is located at radio frequency power source inside, lowers the temperature for radio frequency power source.
8. system according to claim 7, is characterized in that,
Described high frequency transmitter comprises: signal generator, solid-state amplifier, pre-amplifier and final amplifier;
Described signal generator is connected with solid-state amplifier input; Described solid-state amplifier output is connected with the input of pre-amplifier; The output of described pre-amplifier is connected with the input of final amplifier; The output of described final amplifier is connected with rfq accelerator.
9. system according to claim 1, is characterized in that, described target station arrangement comprises: target nucleus, shield, beam channel, extraction duct and the 3rd cooling system;
Described target nucleus, for generation of radioisotope;
Target nucleus described in described shield parcel, for shielding the radioisotope that target nucleus produces;
Described beam channel is located at the inside of shield, and the entrance of described beam channel is located on the surface of shield, and the entrance of described beam channel is connected with high energy transmission section by pipeline; The outlet of described beam channel is connected with target nucleus one end, and described beam channel is used for the line of ion to be incorporated into target nucleus;
Shield inside is located in described extraction duct, and the described one end in extraction duct is connected with the other end of target nucleus, draws for the radioisotope produced by target nucleus;
It is inner that target station arrangement is located at by described 3rd cooling system, for lowering the temperature to target station arrangement.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106879158A (en) * | 2017-03-16 | 2017-06-20 | 东莞中子科学中心 | Medical proton linear accelerator |
| CN109045487A (en) * | 2018-09-03 | 2018-12-21 | 东莞东阳光高能医疗设备有限公司 | A kind of neutron capture therapy system based on proton linac |
| CN116364325A (en) * | 2023-03-06 | 2023-06-30 | 中子高新技术产业发展(重庆)有限公司 | Multifunctional medical isotope production device based on accelerator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106879158A (en) * | 2017-03-16 | 2017-06-20 | 东莞中子科学中心 | Medical proton linear accelerator |
| CN106879158B (en) * | 2017-03-16 | 2019-05-28 | 东莞中子科学中心 | Medical proton linear accelerator |
| CN109045487A (en) * | 2018-09-03 | 2018-12-21 | 东莞东阳光高能医疗设备有限公司 | A kind of neutron capture therapy system based on proton linac |
| CN116364325A (en) * | 2023-03-06 | 2023-06-30 | 中子高新技术产业发展(重庆)有限公司 | Multifunctional medical isotope production device based on accelerator |
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| CN105120590B (en) | 2018-07-24 |
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