CN106793449B - A kind of medical superconduction proton-synchrotron - Google Patents
A kind of medical superconduction proton-synchrotron Download PDFInfo
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Abstract
The present invention relates to a kind of medical superconduction proton-synchrotron comprising multiple deflection dipolar magnets and multiple straight sections, the deflection dipolar magnet are superconducting magnet and have edge angle, and include horizontal defocus quadrupole electromagnet in straight sections described in wherein at least one.The present invention combines the horizontal defocus quadrupole electromagnet for finely tuning operating point by the deflection dipolar magnet for the first time on medical proton precessional magnetometer using superconduction, loopful envelope function is controlled in smaller level, effectively increase the acceptance and proton storage number of synchrotron, proton utilization rate and duty ratio are improved, treatment time is shortened；In addition, structure of the invention is very compact, reduce unnecessary gap and magnet device, to realize the function of medical accelerator using component number as few as possible, reduces synchrotron the space occupied, thereby reduce building cost and treatment cost.
Description
Technical field
The present invention relates to synchrotron fields more particularly to a kind of medical superconduction proton synchrotron for oncotherapy to add
Fast device.
Background technique
Excellent Bragg peak character makes it become means the most advanced in oncotherapy to proton in the depth direction
One of, the construction of proton therapeutic appts and therapeutic community is more and more in the world at present.Proton in operation at present and construction is controlled
Cancer accelerator is mainly cyclotron and synchrotron.Cyclotron can provide stable continuous beam, and line is cut
Disconnected and opening speed quickly, can satisfy the requirement of respiration gate control.But cyclotron change energy dependence is to be placed in
Mechanical device on high energy line --- degrader is reduced beam energy using scattering；It, can be with its advantage is that energy adjustment is rapid
The change energy velocity for realizing 50 milliseconds one grade, can support quick multiple scanning mode to treat mobile tumour；But the disadvantage is that
Scattering causes line utilization rate very low, when treatment when minimum energy 70MeV by efficiency less than 1%, drop and scattered caused by energy
A large amount of beam loss caused by energy selection later will lead to great radiation, cause very to radiation protection and equipment safety
Big pressure.
Compared with cyclotron, the obvious advantage of synchrotron be it can the energy to line easily carry out
It adjusts, to adapt to the needs that radiotherapy accurately changes ion energy, does not need additional energy drop energy piece, it can be ensured that phase
To the environment of clean (radiation is small).After new multipotency amount lead-out mode, the intrinsic transducing time is slow, causes nothing
The shortcomings that imitating treatment time length and can not adapting to quick multiple scanning is substantially not present.Existing patent document CN105392270A exists
When the designs such as specific magnet, power supply, it is contemplated that this new technology, to greatly reduce treatment time.But this acceleration
The design of device has the disadvantages that are as follows: first is that it is complex, quadrupole is focused and defocused using 8 pieces of deflection dipolar magnets and 12 pieces
Magnet, the increase of element mean the decline of reliability；Second is that structure is not compact enough, the gap between element and element is at wave
Take；Third is that energy consumption is higher, magnet is powerful device, and the liter of circulation can drop energy process and waste big energy；Fourth is that envelope letter
Number is still larger, thus space charge effect is larger, causes particle storage less.
Known, under same deflection angle, superconducting magnet is since magnetic field strength is strong, and length is often than room temperature magnet
Short upper several times, and the loss of superconducting coil itself is also minimum, therefore superconducting magnet is reduce energy consumption and accelerator scale fabulous
Selection.Many convolutions and synchrocyclotron all start to reduce energy consumption and accelerator size using superconducting magnet.But by
Larger in the inductance of superconducting magnet, the superconducting magnet magnetic field rate of climb has received limitation under normal circumstances.And non-patent literature
It is solved in Atomic Energy, Vol.112, No.2 (2012) p80~p89 and restricts the superconducting magnet magnetic field rate of climb most
Big factor has reached the rate of climb greater than 4T/s that general medical proton-synchrotron requires, so that superconducting magnet
Become possibility applied to synchrotron.
Summary of the invention
In order to solve the problems, such as above-mentioned existing synchrotron, the present invention is intended to provide a kind of compact is medical
Proton-synchrotron realizes big particle storage characteristic, while structure is relatively simple, energy consumption to reduce line envelope function
Also less.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of medical superconduction proton-synchrotron, including multiple deflection dipolar magnets and multiple straight sections, wherein described
It deflects dipolar magnet to be superconducting magnet and have edge angle, and includes horizontal defocus four in straight sections described in wherein at least one
Pole magnet.
Preferably, the synchrotron include four deflection dipolar magnets, be respectively as follows: sequentially connected first to
Quadrupole deflector dipolar magnet, and the first deflection dipolar magnet is also connected to constitute a ring junction with quadrupole deflector dipolar magnet
Structure；
The synchrotron includes four straight sections, is respectively as follows: and is connected to the first deflection dipolar magnet and the 4th
Deflect between dipolar magnet, between the first deflection dipolar magnet and the second deflection dipolar magnet, the second deflection dipolar magnet and the
Between three deflection dipolar magnets and third deflects first to fourth straight line between dipolar magnet and quadrupole deflector dipolar magnet
Section.
Further, the synchrotron includes two horizontal defocus quadrupole electromagnets, is respectively as follows: and is arranged described
The second horizontal defocus four that first level in first straight line section defocuses quadrupole electromagnet and is arranged in the third straight sections
Pole magnet；
The first straight line section includes: to be connected to the first deflection dipolar magnet and the two pole magnetic of quadrupole deflector in turn
The first level between iron defocuses quadrupole electromagnet, one first resonance six pole magnet and injection an electrostatic cutting plate, Yi Jiyu
The one magnetostatic septum magnet of injection of the injection electrostatic cutting plate connection；
The second straight line section includes: to be connected to two pole magnetic of the first deflection dipolar magnet and second deflection in turn
One first injection bump magnet, a high-frequency acceleration device and one first chromaticity six pole magnet between iron；
Third straight sections include: be connected in turn it is described second deflection dipolar magnet and the third deflection dipolar magnet it
Between one draw electrostatic cutting plate, one second resonance six pole magnet and the second horizontal defocus quadrupole electromagnet；
4th straight sections include: be connected in turn third deflection dipolar magnet and the quadrupole deflector dipolar magnet it
Between a lateral high frequency pumping electrode, one second injection bump magnet and one second chromaticity six pole magnet, further include and described the
The one of three deflection electrode magnet connection draws magnetostatic septum magnet.
Preferably, the synchrotron include eight deflection dipolar magnets, be respectively as follows: sequentially connected first to
8th deflection dipolar magnet, and the first deflection dipolar magnet is also connected with the 8th deflection dipolar magnet to constitute a ring junction
Structure；
The synchrotron includes four straight sections, is respectively as follows: and is connected to the first deflection dipolar magnet and the 8th deflection
Between dipolar magnet, between the first deflection dipolar magnet and the second deflection dipolar magnet, quadrupole deflector dipolar magnet and the 5th inclined
Turn first to fourth straight sections between dipolar magnet and between the 5th deflection dipolar magnet and the 6th deflection dipolar magnet.
Further, the synchrotron includes two horizontal defocus quadrupole electromagnets, is respectively as follows: and is arranged described
The second horizontal defocus four that first level in first straight line section defocuses quadrupole electromagnet and is arranged in the third straight sections
Pole magnet；
The first straight line section include: be connected in turn it is described first deflection dipolar magnet with the 8th deflect dipolar magnet it
Between the first level defocus quadrupole electromagnet, one first resonance six pole magnet and injection electrostatic cutting plate and with the note
The one magnetostatic septum magnet of injection of electricity cutting plate connection in meditation；
The second straight line section includes: to be connected to two pole magnetic of the first deflection dipolar magnet and second deflection in turn
One first injection bump magnet, a high-frequency acceleration device and one first chromaticity six pole magnet between iron；
The third straight sections include: to be connected to two pole magnetic of the quadrupole deflector dipolar magnet and the 5th deflection in turn
One between iron draws electrostatic cutting plate, one second resonance six pole magnet and the second horizontal defocus quadrupole electromagnet；
4th straight sections include: to be connected to two pole magnetic of the 5th deflection dipolar magnet and the 6th deflection in turn
A lateral high frequency pumping electrode, one second injection bump magnet and one second chromaticity six pole magnet between iron further include and institute
State the connection of the 5th deflection electrode magnet one draws magnetostatic septum magnet.
Preferably, the synchrotron includes six deflection dipolar magnets, is respectively as follows: sequentially connected first to the 6th
Dipolar magnet is deflected, and the first deflection dipolar magnet is also connected with the 6th deflection dipolar magnet to constitute a ring structure；
The synchrotron includes four straight sections, is respectively as follows: and is connected to the first deflection dipolar magnet and the 6th deflection
Between dipolar magnet, between the first deflection dipolar magnet and the second deflection dipolar magnet, third deflection dipolar magnet and the 4th inclined
Turn first to fourth straight sections between dipolar magnet and between quadrupole deflector dipolar magnet and the 5th deflection dipolar magnet.
Further, the synchrotron includes two horizontal defocus quadrupole electromagnets, is respectively as follows: and is arranged described
The second horizontal defocus four that first level in first straight line section defocuses quadrupole electromagnet and is arranged in the third straight sections
Pole magnet；
The first straight line section includes: to be connected to two pole magnetic of the first deflection dipolar magnet and the 6th deflection in turn
The first level between iron defocuses quadrupole electromagnet, one first resonance six pole magnet and injection an electrostatic cutting plate, Yi Jiyu
The one magnetostatic septum magnet of injection of the injection electrostatic cutting plate connection；
The second straight line section includes: to be connected to two pole magnetic of the first deflection dipolar magnet and second deflection in turn
One first injection bump magnet, a high-frequency acceleration device and one first chromaticity six pole magnet between iron；
The third straight sections include: to be connected to the third deflection dipolar magnet and the two pole magnetic of quadrupole deflector in turn
One between iron draws electrostatic cutting plate, one second resonance six pole magnet and the second horizontal defocus quadrupole electromagnet；
4th straight sections include: to be connected to two pole magnetic of the quadrupole deflector dipolar magnet and the 5th deflection in turn
A lateral high frequency pumping electrode, one second injection bump magnet and one second chromaticity six pole magnet between iron further include and institute
State the connection of the 5th deflection electrode magnet one draws magnetostatic septum magnet.
Preferably, the synchrotron includes six deflection dipolar magnets, is respectively as follows: sequentially connected first to the 6th
Dipolar magnet is deflected, and the first deflection dipolar magnet is also connected with the 6th deflection dipolar magnet to constitute a ring structure；
The synchrotron includes six straight sections, is respectively as follows: and is connected to the first deflection dipolar magnet and the 6th deflection
Between dipolar magnet, first deflection dipolar magnet and second deflection dipolar magnet between, second deflection dipolar magnet and third it is inclined
Turn between dipolar magnet, third deflects between dipolar magnet and quadrupole deflector dipolar magnet, quadrupole deflector dipolar magnet and the 5th
Deflect the first to the 6th straight sections between dipolar magnet, between the 5th deflection dipolar magnet and the 6th deflection dipolar magnet.
Further, the synchrotron includes two horizontal defocus quadrupole electromagnets, is respectively as follows: and is arranged described
The second horizontal defocus four that first level in 6th straight sections defocuses quadrupole electromagnet and is arranged in the third straight sections
Pole magnet；
The first straight line section include: be connected to it is described first deflection dipolar magnet and it is described 6th deflection dipolar magnet it
Between an injection electrostatic cutting plate, further include and the injection electrostatic cutting plate connect one injects magnetostatic septum magnet；
The second straight line section includes: to be connected to two pole magnetic of the first deflection dipolar magnet and second deflection in turn
One first injection bump magnet and a high-frequency acceleration device between iron；
The third straight sections include: to be connected to the second deflection dipolar magnet and the third two pole magnetic of deflection in turn
One first chromaticity six pole magnet, the second horizontal defocus quadrupole electromagnet and one second resonance six pole magnet between iron；
4th straight sections include: be connected to third deflection dipolar magnet and the quadrupole deflector dipolar magnet it
Between one draw electrostatic cutting plate；
5th straight sections include: be connected to the quadrupole deflector dipolar magnet and it is described 5th deflection dipolar magnet it
Between a lateral high frequency pumping electrode, further include the magnetostatic septum magnet of extraction connect with quadrupole deflector pole magnet；
6th straight sections include: to be connected to two pole magnetic of the 5th deflection dipolar magnet and the 6th deflection in turn
One second chromaticity six pole magnet, one second injection bump magnet between iron, the first level defocus quadrupole electromagnet and one
One resonance six pole magnet.
Preferably, the synchrotron includes eight deflection dipolar magnets, is respectively as follows: sequentially connected first to the 8th
Dipolar magnet is deflected, and the first deflection dipolar magnet is also connected with the 8th deflection dipolar magnet to constitute a ring structure；
The synchrotron includes four straight sections, is respectively as follows: and is connected to the first deflection dipolar magnet and the 8th deflection
Between dipolar magnet, first deflection dipolar magnet and second deflection dipolar magnet between, second deflection dipolar magnet and third it is inclined
Turn between dipolar magnet, third deflects between dipolar magnet and quadrupole deflector dipolar magnet, quadrupole deflector dipolar magnet and the 5th
Deflect between dipolar magnet, between the 5th deflection dipolar magnet and the 6th deflection dipolar magnet, the 6th deflection dipolar magnet and the
The first to the 8th straight line between seven deflection dipolar magnets and between the 7th deflection dipolar magnet and the 8th deflection dipolar magnet
Section.
Further, the synchrotron includes two horizontal defocus quadrupole electromagnets, is respectively as follows: and is arranged described
The second horizontal defocus four that first level in 8th straight sections defocuses quadrupole electromagnet and is arranged in the 4th straight sections
Pole magnet；
The first straight line section include: be connected to it is described first deflection dipolar magnet and it is described 8th deflection dipolar magnet it
Between an injection electrostatic cutting plate, further include and the injection electrostatic cutting plate connect one injects magnetostatic septum magnet；
The second straight line section include: be connected to it is described first deflection dipolar magnet and it is described second deflection dipolar magnet it
Between a high-frequency acceleration device；
The third straight sections include: to be connected to the second deflection dipolar magnet and the third two pole magnetic of deflection in turn
One first injection bump magnet and one first chromaticity six pole magnet between iron；
4th straight sections include: to be connected to the third deflection dipolar magnet and the two pole magnetic of quadrupole deflector in turn
One second resonance six pole magnet and the second horizontal defocus quadrupole electromagnet between iron；
5th straight sections include: be connected to the quadrupole deflector dipolar magnet and it is described 5th deflection dipolar magnet it
Between one draw electrostatic cutting plate；
6th straight sections include: that one connect with the 5th deflection electrode magnet draws magnetostatic septum magnet；
7th straight sections include: to be connected to two pole magnetic of the 6th deflection dipolar magnet and the 7th deflection in turn
A lateral high frequency pumping electrode and one second chromaticity six pole magnet between iron；
8th straight sections include: to be connected to two pole magnetic of the 7th deflection dipolar magnet and the 8th deflection in turn
One second injection bump magnet, one first resonance six pole magnet and the first level between iron defocus quadrupole electromagnet.
By using above-mentioned technical proposal, the invention has the following beneficial effects:
The present invention is by deflecting the horizontal focusing effect of dipolar magnet and its vertical focusing effect of edge focusing using superconduction
Fruit reaches double-directional focusing, and the weak focus of formation can control its horizontal and vertical envelope function all in smaller level.With patent text
The technical solution for offering CN105392270A is compared, and envelope function of the invention is smaller, and then effectively increases synchrotron
Acceptance increases proton storage number, improves proton utilization rate and duty ratio, shortens treatment time；And small packet
Network function means lesser magnet aperture and small magnet energy storage, also reduces energy consumption；The use of superconducting magnet is also big
The energy loss on conducting wire is reduced greatly, the perimeter of entire accelerator is decreased, to efficiently utilize synchrotron
Space, and then farthest reduce the construction cost of device and building, reduce treatment cost.In addition, knot of the invention
Structure is very compact, reduces unnecessary gap and magnet device, to realize medical acceleration using component number as few as possible
The function of device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of currently preferred medical superconduction proton-synchrotron；
Figure 1A is the structural schematic diagram of the deflection dipolar magnet in the present invention with edge angle；
Figure 1B is the structural schematic diagram of conventional deflection dipolar magnet；
Fig. 2 is the schematic diagram of the envelope function of the medical superconduction proton-synchrotron in Fig. 1；
Fig. 3 is second example structure schematic diagram of medical superconduction proton-synchrotron of the invention；
Fig. 4 is the third example structure schematic diagram of medical superconduction proton-synchrotron of the invention；
Fig. 5 is the 4th example structure schematic diagram of medical superconduction proton-synchrotron of the invention；
Fig. 6 is the 5th example structure schematic diagram of medical superconduction proton-synchrotron of the invention.
Specific embodiment
With reference to the accompanying drawing 1~6, presently preferred embodiments of the present invention is provided, and be described in detail, makes to be better understood when
Function of the invention, feature.Wherein, rear two identical appended drawing references used in each figure are used to indicate identical feature.
Patent document CN105392270A is mentioned: being subtracted as far as possible in the case where keeping synchrotron perimeter small as far as possible
Small envelope function.And horizontal focusing intensity can effectively be enhanced by enhancing deflection magnet field strength, to reduce envelope function, simultaneously
It can be shortened synchrotron perimeter again.In addition, it is well known, can greatly it be subtracted using weak focus and the edge angular focusing of deflection magnet
Few number of elements, although being affected by error, can by reasonable layout designs and a certain number of correcting elements,
As used horizontal defocus quadrupole electromagnet mobile working point to compensate in the present invention.Therefore, the present invention is directed to utilize superconducting magnet
Enhancing deflection magnet and weak focus are to reduce envelope function and using weak focus reduction magnet quantity.
Based on above content, the present invention provides medical superconduction proton-synchrotron as shown in Figure 1 comprising:
It is sequentially connected first to fourth deflection dipolar magnet 101~104, and this first deflection dipolar magnet 101 also with
Quadrupole deflector dipolar magnet 104 is connected, and to constitute a ring structure, with deflected beam, (beam direction is the suitable of ring structure in Fig. 1
Clockwise).Wherein first to fourth deflection dipolar magnet 101~104 is superconducting magnet, and deflection angle is 90 °, and is had
Certain edge angle carries out edge focusing, and deflection dipolar magnet of the present invention with edge angle and often is shown in Figure 1A and Figure 1B
The difference of rule deflection dipolar magnet；
It is connected between the first deflection dipolar magnet 101 and quadrupole deflector dipolar magnet 104, the first two pole magnetic of deflection
Iron 101 and second deflection dipolar magnet 102 between, second deflection dipolar magnet 102 and third deflection dipolar magnet 103 between with
And first to fourth straight sections between third deflection dipolar magnet 103 and quadrupole deflector dipolar magnet 104.Wherein:
First straight line section includes: to be connected in turn between the first deflection dipolar magnet 101 and quadrupole deflector dipolar magnet 104
First level defocus quadrupole electromagnet 111, first resonate six pole magnet 141 and injection electrostatic cutting plate 122, further include and inject
The magnetostatic septum magnet 121 of injection that electrostatic cutting plate 122 connects；
Second straight line section includes: to be connected in turn between the first deflection dipolar magnet 101 and the second deflection dipolar magnet 102
The first injection bump magnet 123, high-frequency acceleration device 151 and the first chromaticity six pole magnet 142；
Third straight sections include: to be connected in turn between the second deflection dipolar magnet 102 and third deflection dipolar magnet 103
Extraction electrostatic cutting plate 131, second resonate six pole magnet 143 and the second horizontal defocus quadrupole electromagnet 112；
4th straight sections include: to be connected in turn between third deflection dipolar magnet 103 and quadrupole deflector dipolar magnet 104
Lateral high frequency pumping electrode 133, the second injection bump magnet 124 and the second chromaticity six pole magnet 144, further include inclined with third
Turn the magnetostatic septum magnet 132 of extraction of the connection of pole magnet 103.
It is connected between above each component by vacuum tube (not shown).
When the present embodiment is in use, low energy proton beam is provided by injecting magnetostatic cutting by injector in a treatment cycle
Magnet 121, injection electrostatic cutting plate 122, the first, second injection bump magnet 123,124 and first to fourth deflect two pole magnetic
Iron 101~104 etc. is injected into medical superconduction proton-synchrotron of the invention and stores；Then, it is required, is passed through according to treatment
Synchronous to rise deflection dipolar magnet 101~104, proton energy under the action of high-frequency acceleration device 151 gets a promotion.Corresponding
Treatment energy under, stimulation level defocuses quadrupole electromagnet 111,112, and operating point is made to be moved adjacent to third order resonance line, and proton exists
It is diffused into extraction channel under the action of the lateral resonance of high frequency pumping electrode 133, first, second six pole magnet 141,143, is drawn quiet
It is outer until patient that electric cutting plate 131 and the magnetostatic septum magnet 132 of extraction are drawn out to proton-synchrotron.It when needed, can be with
Stop drawing in the treatment cycle, and switches energy and implement to draw.
Fig. 2 is the corresponding horizontal and vertical line envelope function of the present embodiment, wherein ordinate indicates the big of the function
Small, unit is rice (m), and abscissa indicates that the lengthwise position in synchrotron, unit are rice (m).As it can be seen that the present invention has
Envelope function is small, the big feature of effective acceptance, simulates calculation shows that more protons can be stored.
In conclusion the present embodiment, which uses 4 pieces of superconduction deflection dipolar magnet jointing edge focusing, reduces envelope function
With shorten perimeter, and two blocks of horizontal defocus quadrupole electromagnets 111,112 adjustable operating points greatly simplify parts number
Amount, reduces energy consumption.
It is above-described, only presently preferred embodiments of the present invention, the range being not intended to limit the invention.Of the invention is upper
Stating embodiment can also make a variety of changes, such as different embodiments is set forth in Fig. 3, Fig. 4, Fig. 5, Fig. 6.Wherein Fig. 3
Pass through with the example in Fig. 4 and the deflection angle for deflecting dipolar magnet is changed into 45 degree and 60 degree, corresponding quantity changes into 8 pieces
With 6 pieces so that the deflection angle between two straight sections is slightly different, but quadrupole electromagnet 211,212, six pole magnet 241,
244, injection element 221~224, the equal relative position of extraction elements 231~233 does not change, and passes through deflection dipolar magnet
Edge angle change focusing parameter be able to adjust layout structure, working principle and process are identical as first example, but envelope
Slightly larger not as good as the first preferred embodiment optimization of function.Fig. 5 and Fig. 6 is in the deflection angle and quantity for changing deflection dipolar magnet
The position for having changed simultaneously other elements, the edge angle for deflecting dipolar magnet achieve the purpose that optimize envelope function, than first
A preferred embodiment difference is that space utilization rate is not high, but other effects are essentially identical.
The specific structure of the second~five embodiment of the invention is introduced below with reference to Fig. 3~Fig. 6.
Medical superconduction proton-synchrotron shown in Fig. 3 includes:
Sequentially connected first to the 8th deflection dipolar magnet 201~208, and this first deflection dipolar magnet 201 also with
8th deflection dipolar magnet 208 is connected to constitute a ring structure with deflected beam, wherein the first to the 8th deflection dipolar magnet
201~208 be superconducting magnet, and deflection angle is 45 °, and carries out edge focusing with certain edge angle；
It is connected between the first deflection dipolar magnet 201 and the 8th deflection dipolar magnet 208, the first two pole magnetic of deflection
Iron 201 and second deflection dipolar magnet 202 between, quadrupole deflector dipolar magnet 204 and the 5th deflection dipolar magnet 205 between with
And the 5th deflection dipolar magnet 205 and the 6th deflection dipolar magnet 206 between first to fourth straight sections.
In the present embodiment, first to fourth straight sections in the structure Yu one embodiment of first to fourth straight sections
It is identical, specifically:
First straight line section includes: to be connected in turn between the first deflection dipolar magnet 201 and the 8th deflection dipolar magnet 208
First level defocus quadrupole electromagnet 211, first resonate six pole magnet 241 and injection electrostatic cutting plate 222, further include and inject
The magnetostatic septum magnet 221 of injection that electrostatic cutting plate 222 connects；
Second straight line section includes: to be connected in turn between the first deflection dipolar magnet 201 and the second deflection dipolar magnet 202
The first injection bump magnet 223, high-frequency acceleration device 251 and the first chromaticity six pole magnet 242；
Third straight sections include: to be connected in turn between quadrupole deflector dipolar magnet 204 and the 5th deflection dipolar magnet 205
Extraction electrostatic cutting plate 231, second resonate six pole magnet 243 and the second horizontal defocus quadrupole electromagnet 212；
4th straight sections include: to be connected in turn between the 5th deflection dipolar magnet 205 and the 6th deflection dipolar magnet 206
Lateral high frequency pumping electrode 233, the second injection bump magnet 224 and the second chromaticity six pole magnet 244, further include with the 5th partially
Turn the magnetostatic septum magnet 232 of extraction of the connection of pole magnet 205.
Medical superconduction proton-synchrotron shown in Fig. 4 includes:
Sequentially connected first to the 6th deflection dipolar magnet 301~306, and this first deflection dipolar magnet 301 also with
6th deflection dipolar magnet 306 is connected to constitute a ring structure with deflected beam, wherein the first to the 6th deflection dipolar magnet
301~306 be superconducting magnet, and deflection angle is 60 °, and carries out edge focusing with certain edge angle；
It is connected between the first deflection dipolar magnet 301 and the 6th deflection dipolar magnet 306, the first two pole magnetic of deflection
Iron 301 and second deflection dipolar magnet 302 between, third deflection dipolar magnet 303 and quadrupole deflector dipolar magnet 304 between with
And first to fourth straight sections between quadrupole deflector dipolar magnet 304 and the 5th deflection dipolar magnet 305.
In the present embodiment, the structure of first to fourth straight sections and first to fourth in first and second embodiments
Straight sections are identical, specifically:
First straight line section includes: to be connected in turn between the first deflection dipolar magnet 301 and the 6th deflection dipolar magnet 306
First level defocus quadrupole electromagnet 311, first resonate six pole magnet 341 and injection electrostatic cutting plate 322, further include and inject
The magnetostatic septum magnet 321 of injection that electrostatic cutting plate 322 connects；
Second straight line section includes: to be connected in turn between the first deflection dipolar magnet 301 and the second deflection dipolar magnet 302
The first injection bump magnet 323, high-frequency acceleration device 351 and the first chromaticity six pole magnet 342；
Third straight sections include: to be connected in turn between third deflection dipolar magnet 303 and quadrupole deflector dipolar magnet 304
Extraction electrostatic cutting plate 331, second resonate six pole magnet 343 and the second horizontal defocus quadrupole electromagnet 312；
4th straight sections include: to be connected in turn between quadrupole deflector dipolar magnet 304 and the 5th deflection dipolar magnet 305
Lateral high frequency pumping electrode 333, the second injection bump magnet 324 and the second chromaticity six pole magnet 344, further include with the 5th partially
Turn the magnetostatic septum magnet 332 of extraction of the connection of pole magnet 305.
Medical superconduction proton-synchrotron shown in fig. 5 includes:
Sequentially connected first to the 6th deflection dipolar magnet 401~406, and this first deflection dipolar magnet 401 also with
6th deflection dipolar magnet 406 is connected to constitute a ring structure with deflected beam, wherein the first to the 6th deflection dipolar magnet
401~406 be superconducting magnet, and deflection angle is 60 °, and carries out edge focusing with certain edge angle；
It is connected between the first deflection dipolar magnet 401 and the 6th deflection dipolar magnet 406, the first two pole magnetic of deflection
Iron 401 and second deflection dipolar magnet 402 between, second deflection dipolar magnet 402 and third deflection dipolar magnet 403 between,
Third deflects between dipolar magnet 403 and quadrupole deflector dipolar magnet 404, quadrupole deflector dipolar magnet 404 and the 5th deflects two
The first to the 6th straight sections between pole magnet 405, between the 5th deflection dipolar magnet 405 and the 6th deflection dipolar magnet 406.
In the present embodiment, the first to the 6th straight sections have occurred relative to the straight sections in first~third embodiment
Change in structure, specifically:
First straight line section includes: the note being connected between the first deflection dipolar magnet 401 and the 6th deflection dipolar magnet 406
Electricity cutting plate 422 in meditation further includes the magnetostatic septum magnet 421 of injection connecting with injection electrostatic cutting plate 422；
Second straight line section includes: to be connected in turn between the first deflection dipolar magnet 401 and the second deflection dipolar magnet 402
The first injection bump magnet 423 and high-frequency acceleration device 451；
Third straight sections include: to be connected in turn between the second deflection dipolar magnet 402 and third deflection dipolar magnet 403
The first chromaticity six pole magnet 442, the second horizontal defocus quadrupole electromagnet 412 and the second resonance six pole magnet 443；
4th straight sections include: to be connected to drawing between third deflection dipolar magnet 403 and quadrupole deflector dipolar magnet 404
Electrostatic cutting plate 431 out；
5th straight sections include: the cross being connected between quadrupole deflector dipolar magnet 404 and the 5th deflection dipolar magnet 405
It further include the magnetostatic septum magnet 432 of extraction being connect with quadrupole deflector pole magnet 404 to high frequency pumping electrode 433；
6th straight sections include: to be connected in turn between the 5th deflection dipolar magnet 405 and the 6th deflection dipolar magnet 406
The second chromaticity six pole magnet 444, the second injection bump magnet 424, first level defocus quadrupole electromagnet 411 and the first resonance six
Pole magnet 441.
Medical superconduction proton-synchrotron shown in fig. 6 includes:
Sequentially connected first to the 8th deflection dipolar magnet 501~508, and this first deflection dipolar magnet 501 also with
8th deflection dipolar magnet 508 is connected to constitute a ring structure with deflected beam, wherein the first to the 8th deflection dipolar magnet
501~508 be superconducting magnet, and deflection angle is 45 °, and carries out edge focusing with certain edge angle；
It is connected between the first deflection dipolar magnet 501 and the 8th deflection dipolar magnet 508, the first two pole magnetic of deflection
Iron 501 and second deflection dipolar magnet 502 between, second deflection dipolar magnet 502 and third deflection dipolar magnet 503 between,
Third deflects between dipolar magnet 503 and quadrupole deflector dipolar magnet 504, quadrupole deflector dipolar magnet 504 and the 5th deflects two
Between pole magnet 505, the 5th deflection dipolar magnet 505 and the 6th deflection dipolar magnet 506 between, the 6th deflection dipolar magnet
506 and the 7th deflection dipolar magnet 507 between and the 7th deflection dipolar magnet 507 and the 8th deflection dipolar magnet 508 between
The first to the 8th straight sections.
In the present embodiment, the first to the 8th straight sections have occurred relative to the straight sections in first~third embodiment
Change in structure, specifically:
First straight line section includes: the note being connected between the first deflection dipolar magnet 501 and the 8th deflection dipolar magnet 508
Electricity cutting plate 522 in meditation further includes the magnetostatic septum magnet 521 of injection connecting with injection electrostatic cutting plate 522；
Second straight line section includes: the height being connected between the first deflection dipolar magnet 501 and the second deflection dipolar magnet 502
Frequency accelerator 551；
Third straight sections include: to be connected in turn between the second deflection dipolar magnet 502 and third deflection dipolar magnet 503
The first injection bump magnet 523 and the first chromaticity six pole magnet 542；
4th straight sections include: to be connected in turn between third deflection dipolar magnet 503 and quadrupole deflector dipolar magnet 504
The second resonance six pole magnet 543 and the second horizontal defocus quadrupole electromagnet 512；
5th straight sections include: to be connected to drawing between quadrupole deflector dipolar magnet 504 and the 5th deflection dipolar magnet 505
Electrostatic cutting plate 531 out；
6th straight sections include: the magnetostatic septum magnet 532 of extraction connecting with the 5th deflection electrode magnet 505；
7th straight sections include: to be connected in turn between the 6th deflection dipolar magnet 506 and the 7th deflection dipolar magnet 507
Lateral high frequency pumping electrode 533 and the second chromaticity six pole magnet 544；
8th straight sections include: to be connected in turn between the 7th deflection dipolar magnet 507 and the 8th deflection dipolar magnet 508
The second injection bump magnet 524, first resonance six pole magnet 541 and first level defocus quadrupole electromagnet 511.
In addition to the several embodiments in front, the present invention can also have other variations, i.e., all rights applied according to the present invention
Simple, equivalent changes and modifications made by claim and description fall within the claim protection model of the invention patent
It encloses.The not detailed description of the present invention is routine techniques content.
Claims (5)
1. a kind of medical superconduction proton-synchrotron, including multiple deflection dipolar magnets and multiple straight sections, which is characterized in that
The deflection dipolar magnet is superconducting magnet and has edge angle, and includes horizontal dissipate in straight sections described in wherein at least one
Burnt quadrupole electromagnet；
The synchrotron includes four deflection dipolar magnets, is respectively as follows: sequentially connected first to fourth deflection two
Pole magnet, and the first deflection dipolar magnet is also connected to constitute a ring structure with quadrupole deflector dipolar magnet；
The synchrotron includes four straight sections, is respectively as follows: and is connected to the first deflection dipolar magnet and quadrupole deflector
Between dipolar magnet, first deflection dipolar magnet and second deflection dipolar magnet between, second deflection dipolar magnet and third it is inclined
Turn first to fourth straight sections between dipolar magnet and between third deflection dipolar magnet and quadrupole deflector dipolar magnet；Institute
Stating synchrotron includes two horizontal defocus quadrupole electromagnets, is respectively as follows: first be arranged in the first straight line section
Horizontal defocus quadrupole electromagnet and the second horizontal defocus quadrupole electromagnet being arranged in the third straight sections；
The first straight line section include: be connected in turn it is described first deflection dipolar magnet and the quadrupole deflector dipolar magnet it
Between the first level defocus quadrupole electromagnet, one first resonance six pole magnet and one injection electrostatic cutting plate and with it is described
Inject a magnetostatic septum magnet of injection of electrostatic cutting plate connection；
The second straight line section include: be connected in turn it is described first deflection dipolar magnet and it is described second deflection dipolar magnet it
Between one first injection bump magnet, a high-frequency acceleration device and one first chromaticity six pole magnet；
Third straight sections include: to be connected in turn between the second deflection dipolar magnet and third deflection dipolar magnet
One draws electrostatic cutting plate, one second resonance six pole magnet and the second horizontal defocus quadrupole electromagnet；
4th straight sections include: to be connected in turn between the third deflection dipolar magnet and the quadrupole deflector dipolar magnet
One lateral high frequency pumping electrode, one second injection bump magnet and one second chromaticity six pole magnet, further include inclined with the third
Turn the connection of pole magnet one draws magnetostatic septum magnet.
2. a kind of medical superconduction proton-synchrotron, including multiple deflection dipolar magnets and multiple straight sections, which is characterized in that
The deflection dipolar magnet is superconducting magnet and has edge angle, and includes horizontal dissipate in straight sections described in wherein at least one
Burnt quadrupole electromagnet；
The synchrotron includes eight deflection dipolar magnets, is respectively as follows: the sequentially connected first to the 8th deflection two
Pole magnet, and the first deflection dipolar magnet is also connected with the 8th deflection dipolar magnet to constitute a ring structure；
The synchrotron includes four straight sections, is respectively as follows: and is connected to the first deflection dipolar magnet and the 8th two poles of deflection
Between magnet, first deflection dipolar magnet and second deflection dipolar magnet between, quadrupole deflector dipolar magnet with the 5th deflect two
First to fourth straight sections between the magnet of pole and between the 5th deflection dipolar magnet and the 6th deflection dipolar magnet；
The synchrotron includes two horizontal defocus quadrupole electromagnets, is respectively as follows: and is arranged in the first straight line section
First level the second horizontal defocus quadrupole electromagnet for defocusing quadrupole electromagnet and being arranged in the third straight sections；
The first straight line section includes: to be connected in turn between the first deflection dipolar magnet and the 8th deflection dipolar magnet
The first level defocus quadrupole electromagnet, one first resonance six pole magnet and injection electrostatic cutting plate and with it is described injection it is quiet
The one magnetostatic septum magnet of injection of electric cutting plate connection；
The second straight line section include: be connected in turn it is described first deflection dipolar magnet and it is described second deflection dipolar magnet it
Between one first injection bump magnet, a high-frequency acceleration device and one first chromaticity six pole magnet；
The third straight sections include: be connected in turn the quadrupole deflector dipolar magnet and it is described 5th deflection dipolar magnet it
Between one draw electrostatic cutting plate, one second resonance six pole magnet and the second horizontal defocus quadrupole electromagnet；
4th straight sections include: be connected in turn it is described 5th deflection dipolar magnet and it is described 6th deflection dipolar magnet it
Between a lateral high frequency pumping electrode, one second injection bump magnet and one second chromaticity six pole magnet, further include and described the
The one of five deflection electrode magnet connection draws magnetostatic septum magnet.
3. a kind of medical superconduction proton-synchrotron, including multiple deflection dipolar magnets and multiple straight sections, which is characterized in that
The deflection dipolar magnet is superconducting magnet and has edge angle, and includes horizontal dissipate in straight sections described in wherein at least one
Burnt quadrupole electromagnet；
The synchrotron includes six deflection dipolar magnets, is respectively as follows: the sequentially connected first to the 6th two pole magnetic of deflection
Iron, and the first deflection dipolar magnet is also connected with the 6th deflection dipolar magnet to constitute a ring structure；
The synchrotron includes four straight sections, is respectively as follows: and is connected to the first deflection dipolar magnet and the 6th two poles of deflection
Between magnet, between the first deflection dipolar magnet and the second deflection dipolar magnet, third deflection dipolar magnet and quadrupole deflector two
First to fourth straight sections between the magnet of pole and between quadrupole deflector dipolar magnet and the 5th deflection dipolar magnet；
The synchrotron includes two horizontal defocus quadrupole electromagnets, is respectively as follows: and is arranged in the first straight line section
First level the second horizontal defocus quadrupole electromagnet for defocusing quadrupole electromagnet and being arranged in the third straight sections；
The first straight line section include: be connected in turn it is described first deflection dipolar magnet and it is described 6th deflection dipolar magnet it
Between the first level defocus quadrupole electromagnet, one first resonance six pole magnet and one injection electrostatic cutting plate and with it is described
Inject a magnetostatic septum magnet of injection of electrostatic cutting plate connection；
The second straight line section include: be connected in turn it is described first deflection dipolar magnet and it is described second deflection dipolar magnet it
Between one first injection bump magnet, a high-frequency acceleration device and one first chromaticity six pole magnet；
The third straight sections include: be connected in turn third deflection dipolar magnet and the quadrupole deflector dipolar magnet it
Between one draw electrostatic cutting plate, one second resonance six pole magnet and the second horizontal defocus quadrupole electromagnet；
4th straight sections include: be connected in turn the quadrupole deflector dipolar magnet and it is described 5th deflection dipolar magnet it
Between a lateral high frequency pumping electrode, one second injection bump magnet and one second chromaticity six pole magnet, further include and described the
The one of five deflection electrode magnet connection draws magnetostatic septum magnet.
4. a kind of medical superconduction proton-synchrotron, including multiple deflection dipolar magnets and multiple straight sections, which is characterized in that
The deflection dipolar magnet is superconducting magnet and has edge angle, and includes horizontal dissipate in straight sections described in wherein at least one
Burnt quadrupole electromagnet；
The synchrotron includes six deflection dipolar magnets, is respectively as follows: the sequentially connected first to the 6th two pole magnetic of deflection
Iron, and the first deflection dipolar magnet is also connected with the 6th deflection dipolar magnet to constitute a ring structure；
The synchrotron includes six straight sections, is respectively as follows: and is connected to the first deflection dipolar magnet and the 6th two poles of deflection
Between magnet, first deflection dipolar magnet and second deflection dipolar magnet between, second deflection dipolar magnet and third deflect two
Between the magnet of pole, third deflects between dipolar magnet and quadrupole deflector dipolar magnet, quadrupole deflector dipolar magnet and the 5th deflects
The first to the 6th straight sections between dipolar magnet, between the 5th deflection dipolar magnet and the 6th deflection dipolar magnet；
The synchrotron includes two horizontal defocus quadrupole electromagnets, is respectively as follows: and is arranged in the 6th straight sections
First level the second horizontal defocus quadrupole electromagnet for defocusing quadrupole electromagnet and being arranged in the third straight sections；
The first straight line section includes: to be connected between the first deflection dipolar magnet and the 6th deflection dipolar magnet
One injection electrostatic cutting plate further includes the magnetostatic septum magnet of injection connecting with the injection electrostatic cutting plate；
The second straight line section include: be connected in turn it is described first deflection dipolar magnet and it is described second deflection dipolar magnet it
Between one first injection bump magnet and a high-frequency acceleration device；
The third straight sections include: be connected in turn it is described second deflection dipolar magnet and the third deflection dipolar magnet it
Between one first chromaticity six pole magnet, the second horizontal defocus quadrupole electromagnet and one second resonance six pole magnet；
4th straight sections include: to be connected between the third deflection dipolar magnet and the quadrupole deflector dipolar magnet
One draws electrostatic cutting plate；
5th straight sections include: to be connected between the quadrupole deflector dipolar magnet and the 5th deflection dipolar magnet
One lateral high frequency pumping electrode further includes that one connect with quadrupole deflector pole magnet draws magnetostatic septum magnet；
6th straight sections include: be connected in turn it is described 5th deflection dipolar magnet and it is described 6th deflection dipolar magnet it
Between one second chromaticity six pole magnet, one second injection bump magnet, the first level defocus quadrupole electromagnet and one first total
Shake six pole magnet.
5. a kind of medical superconduction proton-synchrotron, including multiple deflection dipolar magnets and multiple straight sections, which is characterized in that
The deflection dipolar magnet is superconducting magnet and has edge angle, and includes horizontal dissipate in straight sections described in wherein at least one
Burnt quadrupole electromagnet；
The synchrotron includes eight deflection dipolar magnets, is respectively as follows: the sequentially connected first to the 8th two pole magnetic of deflection
Iron, and the first deflection dipolar magnet is also connected with the 8th deflection dipolar magnet to constitute a ring structure；
The synchrotron includes four straight sections, is respectively as follows: and is connected to the first deflection dipolar magnet and the 8th two poles of deflection
Between magnet, first deflection dipolar magnet and second deflection dipolar magnet between, second deflection dipolar magnet and third deflect two
Between the magnet of pole, third deflects between dipolar magnet and quadrupole deflector dipolar magnet, quadrupole deflector dipolar magnet and the 5th deflects
Between dipolar magnet, between the 5th deflection dipolar magnet and the 6th deflection dipolar magnet, the 6th deflection dipolar magnet and the 7th inclined
Turn the first to the 8th straight sections between dipolar magnet and between the 7th deflection dipolar magnet and the 8th deflection dipolar magnet；
The synchrotron includes two horizontal defocus quadrupole electromagnets, is respectively as follows: and is arranged in the 8th straight sections
First level the second horizontal defocus quadrupole electromagnet for defocusing quadrupole electromagnet and being arranged in the 4th straight sections；
The first straight line section includes: to be connected between the first deflection dipolar magnet and the 8th deflection dipolar magnet
One injection electrostatic cutting plate further includes the magnetostatic septum magnet of injection connecting with the injection electrostatic cutting plate；
The second straight line section includes: to be connected between the first deflection dipolar magnet and the second deflection dipolar magnet
One high-frequency acceleration device；
The third straight sections include: be connected in turn it is described second deflection dipolar magnet and the third deflection dipolar magnet it
Between one first injection bump magnet and one first chromaticity six pole magnet；
4th straight sections include: be connected in turn third deflection dipolar magnet and the quadrupole deflector dipolar magnet it
Between one second resonance six pole magnet and the second horizontal defocus quadrupole electromagnet；
5th straight sections include: to be connected between the quadrupole deflector dipolar magnet and the 5th deflection dipolar magnet
One draws electrostatic cutting plate；
6th straight sections include: that one connect with the 5th deflection electrode magnet draws magnetostatic septum magnet；
7th straight sections include: be connected in turn it is described 6th deflection dipolar magnet and it is described 7th deflection dipolar magnet it
Between a lateral high frequency pumping electrode and one second chromaticity six pole magnet；
8th straight sections include: be connected in turn it is described 7th deflection dipolar magnet and it is described 8th deflection dipolar magnet it
Between one second injection bump magnet, one first resonance six pole magnet and the first level defocus quadrupole electromagnet.
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| CN108112154B (en) * | 2017-12-13 | 2020-05-15 | 惠州离子科学研究中心 | Heavy ion synchrotron |
| CN108243551A (en) * | 2018-01-25 | 2018-07-03 | 中国科学院上海应用物理研究所 | The proton-synchrotron that a kind of combined magnet is formed |
| CN108289367A (en) * | 2018-01-25 | 2018-07-17 | 中国科学院上海应用物理研究所 | A kind of medical proton-synchrotron |
| CN108307578A (en) * | 2018-01-25 | 2018-07-20 | 中国科学院上海应用物理研究所 | A kind of proton-synchrotron using combined magnet |
| CN108243552A (en) * | 2018-01-25 | 2018-07-03 | 中国科学院上海应用物理研究所 | A kind of treat uses proton-synchrotron |
| WO2019223053A1 (en) * | 2018-05-24 | 2019-11-28 | 新瑞阳光粒子医疗装备(无锡)有限公司 | Synchrotron |
| CN108770181A (en) * | 2018-05-24 | 2018-11-06 | 新瑞阳光粒子医疗装备(无锡)有限公司 | Synchrotron, particle beams accelerated method, device, equipment and storage medium |
| WO2019242011A1 (en) * | 2018-06-22 | 2019-12-26 | 新瑞阳光粒子医疗装备(无锡)有限公司 | Synchrotron control method, apparatus, device, and storage medium |
| CN109379830B (en) * | 2018-11-16 | 2020-01-21 | 清华大学 | Synchrotron and injection device and injection method thereof |
| CN112657072B (en) * | 2021-01-05 | 2022-09-16 | 中国科学院上海高等研究院 | Ultrahigh-dose-rate proton treatment device based on linear accelerator and scanning method |
| CN113382529B (en) * | 2021-06-08 | 2024-03-29 | 兰州科近泰基新技术有限责任公司 | Superconducting ion annular synchrotron |
| CN113382530B (en) * | 2021-07-22 | 2023-11-10 | 中国科学院上海高等研究院 | Medical proton synchrotron with ultra-high dosage rate |
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