WO2017042951A1 - 電磁石架台、電磁石装置及び粒子線治療装置 - Google Patents
電磁石架台、電磁石装置及び粒子線治療装置 Download PDFInfo
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- WO2017042951A1 WO2017042951A1 PCT/JP2015/075818 JP2015075818W WO2017042951A1 WO 2017042951 A1 WO2017042951 A1 WO 2017042951A1 JP 2015075818 W JP2015075818 W JP 2015075818W WO 2017042951 A1 WO2017042951 A1 WO 2017042951A1
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- electromagnet
- particle beam
- charged particle
- top plate
- cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/38—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1077—Beam delivery systems
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K5/00—Irradiation devices
- G21K5/04—Irradiation devices with beam-forming means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/04—Arrangements of electric connections to coils, e.g. leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/20—Electromagnets; Actuators including electromagnets without armatures
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H13/00—Magnetic resonance accelerators; Cyclotrons
- H05H13/04—Synchrotrons
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
- H05H7/04—Magnet systems, e.g. undulators, wigglers; Energisation thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1085—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy characterised by the type of particles applied to the patient
- A61N2005/1087—Ions; Protons
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/08—Deviation, concentration or focusing of the beam by electric or magnetic means
- G21K1/093—Deviation, concentration or focusing of the beam by electric or magnetic means by magnetic means
Definitions
- the present invention relates to an electromagnet stand for supporting an electromagnet used in an accelerator, a beam transport system, etc. used in, for example, research, medicine, and industrial fields.
- a particle beam therapy apparatus used in cancer treatment or the like includes a beam generation apparatus that generates a charged particle beam, an accelerator that is connected to the beam generation apparatus and accelerates the generated charged particle beam, and energy set by the accelerator.
- a beam transport system that transports a charged particle beam that is emitted after being accelerated, and a particle beam irradiation device that is installed downstream of the beam transport system and that irradiates an irradiation target with the charged particle beam.
- the particle beam irradiation apparatus is installed in a rotating gantry for three-dimensional irradiation.
- Charged particles such as synchrotrons are orbitally accelerated and charged particles (protons, carbon ions, etc.) accelerated to high energy are taken out from their orbits and charged particles (charged particle beam)
- the particle beam is also used for physical experiments in which a desired object is irradiated by being transported by a beam transport system and particle beam therapy such as cancer therapy.
- particle beam therapy the irradiation direction is generally changed in order to avoid important organs and prevent damage to normal tissues during treatment. Yes.
- the particle beam irradiation apparatus installed in the rotating gantry described above is used.
- An accelerator such as a synchrotron accelerates a charged particle beam with an electric field generated by a circular acceleration tube around which the charged particle beam circulates, a deflection magnet or a quadrupole electromagnet for controlling the orbit of the charged particle beam, and a high-frequency acceleration voltage.
- a deflecting electromagnet, a quadrupole electromagnet, and the like of the accelerator are supported by a gantry (for example, Patent Document 1).
- a deflection electromagnet, a quadrupole electromagnet, and the like are supported by a gantry.
- an accelerator such as a synchrotron is composed of a plurality of electromagnets such as a deflecting electromagnet and a quadrupole electromagnet, an acceleration cavity, an incidence device, an emission device, and the like, and also includes a beam measurement device that measures the state of a charged particle beam. is set up.
- a number of cables such as equipment constituting the accelerator and beam measuring equipment for measuring the state of the charged particle beam are arranged.
- cables (power cables) for supplying current to the devices constituting the accelerator are thick, a large cable installation space is required.
- Patent Document 2 describes an accelerator electromagnet feeding system in which an independent power source is provided for each type of electromagnet having a different exciting current and a cable is laid for each type of electromagnet.
- JP-A-7-176400 (0002 stage, FIG. 3)
- the present invention has been made to solve the above-described problems, and an object of the present invention is to provide an electromagnet mount that can reduce the space for arranging electromagnet power cables in an equipment room in which electromagnets are arranged.
- An electromagnet base of the present invention includes a top plate that supports an electromagnet, a plurality of legs that support the top plate, and a cable arrangement member that is fixed to the plurality of legs and disposed below the top plate.
- a cable arrangement portion in which the power cable is arranged extending in the traveling direction of the charged particle beam is formed between the cable arrangement member and the top plate, and the cable arrangement portion has a direction perpendicular to the traveling direction of the charged particle beam.
- the cable arrangement width as a length is longer than the width in the direction perpendicular to the traveling direction of the charged particle beam in the electromagnet.
- the electromagnet frame of the present invention has a cable arrangement portion whose cable arrangement width perpendicular to the traveling direction of the charged particle beam is longer than the width of the electromagnet, the power cable is arranged in the cable arrangement portion in the equipment room where the electromagnet is arranged. This can reduce the space for arranging the power cable of the electromagnet.
- FIG. 5 is a left side view of FIG. 4. It is a figure which shows the particle beam therapy apparatus by Embodiment 1 of this invention. It is a figure which shows the electromagnet apparatus and suspension mechanism by Embodiment 1 of this invention.
- FIG. 8 is a left side view of FIG. 7.
- FIG. 1 is a diagram showing an electromagnet mount and an electromagnet device according to Embodiment 1 of the present invention
- FIG. 2 is a left side view of FIG.
- FIG. 3 is a cross-sectional view of the electromagnet mount shown in FIG. 4
- FIG. 4 is a diagram showing a plurality of electromagnet devices according to Embodiment 1 of the present invention
- FIG. 5 is a left side view of FIG.
- FIG. 6 is a diagram showing the particle beam therapy system according to the first embodiment of the present invention.
- 7 is a diagram showing the electromagnet device and the suspension mechanism according to Embodiment 1 of the present invention
- FIG. 8 is a left side view of FIG.
- the electromagnet device 10 includes a plurality of electromagnets 2a, 2b, and 2c that apply a magnetic field to a charged particle beam, and an electromagnet stand 1 that supports these electromagnets 2a, 2b, and 2c.
- the electromagnet stand 1 includes a top plate 11 on which a plurality of electromagnets 2a, 2b, 2c are installed, a power cable arrangement member 12 on which a plurality of power cables 4 connected to the plurality of electromagnets 2a, 2b, 2c are mounted, and a top plate 11, a plurality of legs 13 that support 11, and a plurality of ground planes 14 provided at the bottom of the legs 13.
- the legs 13 of the electromagnet stand 1 are pillars for supporting the electromagnet, and the number thereof varies depending on the size, weight, and number of the electromagnets, but four or six are common. Moreover, iron is generally used for the material of the electromagnet stand 1.
- the top plate 11 has a plurality of electromagnet support portions 5a, 5b, and 5c that support the plurality of electromagnets 2a, 2b, and 2c, and an opening 15 through which the power cable 4 connected to the plurality of electromagnets 2a, 2b, and 2c passes. Is provided.
- the electromagnets 2a, 2b, and 2c are mounted on the electromagnet support portions 5a, 5b, and 5c, respectively.
- FIG. 1 to 3 show an example in which three openings 15 are provided corresponding to the three electromagnets 2a, 2b, and 2c to be mounted.
- the power cable 4 that has passed through the opening 15 is connected to each of the power cable connection terminals 3a and 3b of the electromagnet 2a.
- the power cable 4 that has passed through the opening 15 is connected to each of the power cable connection terminals 3c and 3d of the electromagnet 2b.
- the power cable 4 that has passed through the opening 15 is connected to each of the power cable connection terminals 3e and 3f of the electromagnet 2c. 1 to 5, the connection portion between the core wire of the power cable 4 and the power cable connection terminal of the electromagnet is omitted.
- the power cables 4 of the electromagnets 2a, 2b, and 2c mounted on the electromagnet stand 1 are disposed in the power cable layout section 16 (see FIG. 2).
- the power cable placement portion 16 is a region inside the leg 13 between the power cable placement member 12 and the top plate 11. 1 to 3 show an example in which six power cables 4 are placed on the power cable arranging member 12.
- the power cable arrangement unit 16 can also arrange the electromagnet power cable 4 mounted on another electromagnet base 1.
- the width (capacity) of the power cable arrangement portion 16 is ensured according to the number of power cables 4 connected to the electromagnets constituting the accelerator or the like for each electromagnet base 1.
- the power cable arrangement portion 16 of the electromagnet stand 1 is widened (large capacity). Since the number of power cables 4 arranged on the electromagnet base 1 far from the electromagnet power supply is smaller than that near the electromagnet power supply, the power cable placement portion 16 of the electromagnet base 1 can be narrowed (small capacity). .
- FIG. 6 shows a particle beam therapy system 60 including an accelerator 23 having a plurality of electromagnets and a beam transport system 24.
- FIG. 6 shows the electromagnet devices 10a and 10b arranged adjacent to each other. The orientation and height of the electromagnets mounted on the electromagnet devices 10 a and 10 b are adjusted so that the charged particle beam 51 is transported along the beam line 8, that is, the arrangement position.
- the electromagnet apparatus 10 shown in FIG. 1 and FIG. 2 is configured such that the electromagnets 2a, 2b, and 2c pass through the central portions of the electromagnets 2a, 2b, and 2c so that the beam lines 8 such as the accelerator 23 and the beam transport system 24 pass through. Placed in.
- the particle beam therapy apparatus 60 will be described later.
- FIG. 4 and 5 show an electromagnetic mount of the electromagnetic devices 10a and 10b in which a plurality of power cables 4 are installed adjacent to each other so as to include a beam line 8 through which a charged particle beam 51 accelerated by an accelerator passes, for example. It is an example laid in 1a, 1b.
- the electromagnet mounts 1 a and 1 b are disposed below the beam line 8.
- the electromagnet 2d is mounted on the electromagnet support 5d, and the power cable 4 that has passed through the opening 15 is connected to each of the power cable connection terminals 3g and 3h of the electromagnet 2d.
- 14 power cables 4 are shown.
- the number of power cables 4 of the electromagnets 2a, 2b, 2c, and 2d illustrated in FIG. 5 is eight, the power cables 4 of other electromagnets are also shown.
- the distance (leg distance) between the legs 13 of the electromagnet base 1 is widened, that is, as described above, the power cable 4
- the leg-to-leg length between the legs 13 installed in the direction perpendicular to the extending direction that is, the width-direction leg-to-leg length L1 is increased.
- the width direction leg length L1 is also a cable arrangement width that is a length in a direction perpendicular to the traveling direction of the charged particle beam in the power cable arrangement unit 16.
- the leg length between the legs 13 installed in the direction perpendicular to the extending direction of the power cable 4 may be shorter than that shown in FIGS.
- the power cable placement portion 16 is widened by increasing the width-to-leg length L1, and more than the number of power cables 4 connected to the electromagnets mounted on one electromagnet base 1 is obtained. It is possible to lay.
- the width direction leg length L1 between the legs 13 of the electromagnet frame 1 is longer than the width Mw in the direction perpendicular to the beam line 8 in the electromagnet mounted on the electromagnet frame 1.
- the width direction leg length L1 is 1.5 times or more the width Mw of the electromagnet.
- a particle beam therapy system 60 including an accelerator 23 having a plurality of electromagnets and a beam transport system 24 will be described with reference to FIG.
- the particle beam therapy apparatus 60 includes an incident system 21, an accelerator 23, a beam transport system 24, and a particle beam irradiation apparatus 50.
- the incident system 21 includes an incident device 22 and quadrupole electromagnets 7a and 7b.
- the accelerator 23 includes a plurality of deflection electromagnets 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h, 6i, 6j, 6k, 6l, 6m, and a plurality of quadrupole electromagnets 7c, 7d, 7e, 7f, 7g, 7h.
- the beam transport system 24 includes a plurality of deflection electromagnets 27a and 27b, a plurality of quadrupole electromagnets 28a, 28b, 28c, 28d, 28e, 28f, 28g, and 28h, beam profile monitors 31a and 31b, a beam analysis device 38, An electromagnet power supply 41 that supplies current to the plurality of quadrupole electromagnets and an electromagnet power supply 42 that supplies current to the plurality of deflection electromagnets are provided. From the incident device 22 to the particle beam irradiation device 50, a beam transport tube (not shown) is disposed so as to include the beam line 8.
- the reference numerals of the quadrupole electromagnets of the incident system 21 and the accelerator 23 are generally 7, and 7a to 7q are used when they are distinguished from each other.
- deviation electromagnet of the accelerator 23 uses 6 generally, and uses 6a thru
- the reference numeral of the quadrupole electromagnet of the beam transport system 24 is generally 28, and 28a to 28h are used in the case of distinction.
- the reference numeral 27 of the deflection electromagnet of the beam transport system 24 is generally used, and 27a and 27b are used in the case of distinguishing and explaining.
- the quadrupole electromagnets 7 of the incident system 21 and the accelerator 23 are connected to an electromagnet power supply 32 by a power cable 43.
- the deflecting electromagnet 6 of the accelerator 23 is connected to the electromagnet power source 33 by a power cable 44.
- the quadrupole electromagnet 28 of the beam transport system 24 is connected to an electromagnet power source 41 by a power cable 45.
- the deflection electromagnet 27 of the beam transport system 24 is connected to an electromagnet power source 42 by a power cable 46.
- FIG. 6 three electromagnet devices 10a, 10b, and 10c and their electromagnet mounts 1a, 1b, and 1c are shown.
- electromagnet stand 1c Three quadrupole electromagnets 7e, 7f, and 7g are mounted on the electromagnet frame 1a, and a quadrupole electromagnet 7d and a deflecting electromagnet 6c are mounted on the electromagnet frame 1b. Two quadrupole electromagnets 28c and 28d and a beam profile monitor 31b are mounted on the electromagnet stand 1c.
- electromagnet which comprises the incident system 21, the accelerator 23, and the beam transport system 24 is mounted in the electromagnet stand 1, only three electromagnet stands 1a, 1b, 1c are shown in FIG.
- the deflection electromagnets 6 and 27 of the particle beam therapy apparatus 60 deflect the charged particle beam 51, and the quadrupole electromagnets 7 and 28 of the particle beam therapy apparatus 60 converge or diverge the charged particle beam 51.
- the beam coordinate system of the charged particle beam 51 is an axis in the x direction, which is a direction in which the traveling direction (s direction) of the charged particle beam 51 is the s axis and is perpendicular to the s axis and extends outside the orbital plane of the accelerator 23. Will be referred to as the x-axis, the s-axis, and the y-direction axis perpendicular to the x-axis.
- the acceleration cavity 29 accelerates the charged particle beam 51 that circulates in the accelerator 23.
- the x-direction kick electrode 30 is an electrode that is pushed by an electric field from the circumferential direction to the outer circumferential side (x direction) in order to emit the charged particle beam 51 to the beam transport system 24.
- the beam profile monitors 31a and 31b detect beam profile data for calculating the beam position and beam size of the charged particle beam 51.
- the beam analyzer 38 acquires profile data detected by the beam profile monitors 31a and 31b, and analyzes the beam position.
- the beam transport system 24 transports the charged particle beam 51 to the particle beam irradiation device 58.
- the particle beam irradiation device 58 irradiates the irradiation object 52 with the charged particle beam 51.
- the charged particle beam 51 which is a particle beam such as a proton beam generated in the ion source of the incident device 22, is accelerated by the former accelerator of the incident device 22, and the charged particle beam 51 is converged or diverged by the quadrupole electromagnets 7a and 7b. 23 is incident.
- the accelerator 23 will be described using a synchrotron as an example.
- the charged particle beam 51 is accelerated to a predetermined energy.
- the charged particle beam 51 enters the beam transport system 24 from the deflecting electromagnet 27 a installed in the accelerator 23, is transported to the particle beam irradiation device 58, and is irradiated to the affected part that is the irradiation target 52 of the patient by the particle beam irradiation device 58. .
- the particle beam irradiation device 58 irradiates the irradiation target 52 with the charged particle beam 51 by expanding the beam or scanning the beam so as to form a desired irradiation field.
- the electromagnet mounted on the electromagnet base 1 of the present embodiment is not limited to a quadrupole electromagnet, and other electromagnets such as a dipole electromagnet such as a deflection electromagnet or a hexapole electromagnet can be mounted (see the electromagnet base 1b in FIG. 6).
- the electromagnet base 1 of the present embodiment can also be equipped with a beam measuring device such as a beam profile monitor or a beam position monitor (see the electromagnet base 1c in FIG. 6).
- the electromagnet stand 1 of this Embodiment may mount only beam measuring devices, such as a beam profile monitor and a beam position monitor.
- the number of electromagnets and beam measuring devices mounted on the electromagnet stand 1 is not limited. In the case of a heavy electromagnet, one electromagnet is mounted on one electromagnet base 1.
- the electromagnet stand 1 of the first embodiment is manufactured by flexibly selecting design parameters such as size, top plate shape, number of electromagnets mounted, etc., in accordance with individual particle beam therapy equipment 60 having a plurality of electromagnets. be able to.
- the top plate shape may be curved along the beam line 8 as in the electromagnet mount 1b of FIG.
- the width-to-leg length L1 between the legs 13 is longer than the width Mw in the direction perpendicular to the beam line 8 of the electromagnet mounted on the electromagnet stand 1.
- the power cable 4 can be laid on the power cable placement portion 16. Therefore, the electromagnet stand 1 of the first embodiment reduces the power cable installation space for arranging the cable rack as compared with the conventional case where a wide power cable installation space for arranging the cable rack for storing the power cable is necessary. be able to.
- the electromagnet stand 1 of Embodiment 1 can reduce the power cable installation space which arrange
- the electromagnet base 1 and the electromagnets 2a, 2b, and 2c are integrated. Therefore, if a wire connector 25 such as a hanging hook is provided on the electromagnet base 1, FIGS. As shown in FIG. 1, the electromagnet apparatus 10 in a state where the electromagnets 2a, 2b, and 2c are mounted on the electromagnet mount 1 can be transported using the hanging beam 18 and the hanging wires 19a and 19b.
- the suspension mechanism 17 for lifting the electromagnet device 10 includes a suspension beam 18 and suspension wires 19a and 19b.
- the electromagnet device 10 according to Embodiment 1 is connected to the wire connecting tool 25 to the suspension wire 19b of the suspension mechanism 17 so that the electromagnet device 10 and the electromagnets 2a, 2b, and 2c are integrated into a cargo container or the like. Can be mounted on. A cargo container or the like in which the electromagnet device 10 is stored is transported to a place where the electromagnet device 10 is installed by a transportation means such as a truck or a railroad.
- the electromagnet base 1 and the electromagnets 2a, 2b, and 2c are integrated. Therefore, the electromagnet base 1 has the electromagnets 2a and 2b in the field compared to the electromagnet device that is not integrated.
- the work of mounting 2c can be omitted, and the construction work can be omitted and the time can be shortened.
- the electromagnet device 10 according to the first embodiment can accurately adjust the position of the plurality of electromagnets 2a, 2b, and 2c mounted on the electromagnet mount 1 in the manufacturing factory to the beam line 8 at the installation location.
- Adjustment for adjusting the positions 2b and 2c to the beam line 8 can be made only by fine adjustment, and adjustment work for adjusting to the beam line 8 can also be shortened. As the number of electromagnets mounted on one electromagnet stand 1 increases, the electromagnet device 10 according to the first embodiment can reduce construction work and shorten the time.
- the electromagnet stand 1 of the first embodiment is the electromagnet stand 1 that supports the electromagnet 2a that applies a magnetic field to the charged particle beam 51, and includes the top plate 11 that supports the electromagnet 2a, and the top plate 11.
- positioned in the advancing direction of 51 is formed between the cable arrangement
- the cable arrangement part (power supply cable arrangement part 16) of the electromagnet stand 1 has a cable arrangement width (length L1 in the width direction leg) that is a length in a direction perpendicular to the traveling direction of the charged particle beam 51, and the charged particles in the electromagnet 2a. It is characterized by being longer than the width Mw in the direction perpendicular to the traveling direction of the beam 51. Due to these features, the electromagnet stand 1 of the first embodiment has a cable arrangement portion (power source) in which the cable arrangement width perpendicular to the traveling direction of the charged particle beam 51 (width direction leg length L1) is longer than the width Mw of the electromagnet 2a. Since it has the cable arrangement
- the electromagnet device 10 includes the electromagnet base 1 and at least one electromagnet 2a, 2b, 2c mounted on the top plate 11 of the electromagnet base 1.
- the electromagnet stand 1 of the electromagnet device 10 according to the first embodiment is an electromagnet stand 1 that supports electromagnets 2a, 2b, and 2c for applying a magnetic field to the charged particle beam 51, and a top plate that supports the electromagnets 2a, 2b, and 2c.
- a cable arrangement portion (power supply cable arrangement portion 16) in which the power cables 4 of 2b and 2c are arranged extending in the traveling direction of the charged particle beam 51 is formed between the cable arrangement member (power supply cable arrangement member 12) and the top plate 11. It is formed between (feature 1).
- the cable arrangement part (power supply cable arrangement part 16) of the electromagnet stand 1 has a cable arrangement width (length L1 in the width direction leg) which is a length perpendicular to the traveling direction of the charged particle beam 51, and the electromagnets 2a, 2b, It is characterized by being longer than the width Mw in the direction perpendicular to the traveling direction of the charged particle beam 51 in 2c (feature 2). Due to these features, the electromagnet device 10 according to the first embodiment can reduce the space for arranging the power cables of the electromagnets 2a, 2b, and 2c in the facility room where the electromagnets 2a, 2b, and 2c are arranged. Time can be shortened.
- the particle beam therapy system 60 includes an incident system 21 that generates a charged particle beam 51, an accelerator 23 that accelerates the charged particle beam 51 incident from the incident system 21, and charged particles that are accelerated by the accelerator 23.
- a beam transport system 24 that transports the beam 51; and a particle beam irradiation device 50 that irradiates the irradiation target 52 with the charged particle beam 51 transported by the beam transport system 24.
- Either or both of the accelerator 23 and the beam transport system 24 are provided.
- One of them includes a plurality of electromagnet devices 10 on which electromagnets 2a, 2b, and 2c are mounted.
- the particle beam therapy apparatus 60 includes the power cable 4 connected to the electromagnets 2a, 2b, and 2c of the electromagnet apparatus 10 in the cable arrangement section (power cable arrangement section 16) of at least one electromagnet apparatus 10.
- the power cable 4 connected to the electromagnets 2a, 2b, and 2c of the other electromagnet device 10 is disposed.
- the electromagnet device 10 includes the electromagnet frame 1 and at least one electromagnet 2a mounted on the top plate 11 of the electromagnet frame 1. 2b and 2c, and the electromagnet device 10 includes the features 1 and 2.
- the space for arranging the power cables of the electromagnets 2a, 2b, and 2c can be reduced, and the construction work can be omitted and the time can be shortened.
- the electromagnet mount 1 is not limited to the synchrotron but can be applied to a general accelerator such as a linear accelerator or a cyclotron. Further, the present invention can be combined with each other within the scope of the present invention, and each embodiment can be appropriately modified or omitted.
- Electromagnetic mount 2a, 2b, 2c, 2d ... Electromagnet, 4 ... Power supply cable, 5a, 5b, 5c, 5d ... Electromagnetic support part, 6, 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h, 6i, 6j, 6k, 6l, 6m ... deflection electromagnet, 7, 7a, 7b, 7c, 7d, 7e, 7f, 7g, 7h, 7i, 7j, 7k, 7l, 7m, 7n, 7o 7p, 7q ... quadrupole electromagnets, 10, 10a, 10b, 10c ...
- electromagnet mount 11 ... top plate, 12 ... power cable arrangement member, 13 ... leg, 15 ... opening, 16 ... power cable arrangement part, 19a, 19b ... Hanging wire, 21 ... incident system, 23 ... accelerator, 24 ... beam transport system, 25 ... wire connector, 27, 27a, 27b ... deflecting electromagnet, 28, 28a, 28b, 28c, 28d, 28e, 28f, 28g, 28h Quadrupole electromagnet, 31a, 31b ... beam profile monitor, 43 ... power cable, 44 ... power cable, 45 ... power cable, 46 ... power cable, 50 ... particle beam irradiation device, 51 ... charged particle beam, 52 ... irradiation object, 60 ... Particle beam therapy system, Mw ... Width of electromagnet, L1 ... Length between legs in the width direction (cable arrangement width)
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Abstract
Description
図1は本発明の実施の形態1による電磁石架台及び電磁石装置を示す図であり、図2は図1の左側面図である。図3は、図1の電磁石架台の断面図であり、電磁石架台1の天板11に設けられた開口15で切断した断面図である。図4は本発明の実施の形態1による複数の電磁石装置を示す図であり、図5は図4の左側面図である。図6は、本発明の実施の形態1による粒子線治療装置を示す図である。図7は本発明の実施の形態1による電磁石装置及び吊り機構を示す図であり、図8は図7の左側面図である。電磁石装置10は、荷電粒子ビームに磁場を作用させる複数の電磁石2a、2b、2cと、これらの電磁石2a、2b、2cを支持する電磁石架台1を備える。電磁石架台1は、複数の電磁石2a、2b、2cが設置される天板11と、複数の電磁石2a、2b、2cに接続される複数の電源ケーブル4を載せる電源ケーブル配置部材12と、天板11を支える複数の脚13と、脚13の底部に設けられた複数の地板14を備える。
Claims (9)
- 荷電粒子ビームに磁場を作用させる電磁石を支持する電磁石架台であって、
前記電磁石を支持する天板と、前記天板を支える複数の脚と、複数の前記脚に固定されると共に前記天板の下側に配置されるケーブル配置部材とを備え、
前記電磁石の電源ケーブルが前記荷電粒子ビームの進行方向に延伸して配置されるケーブル配置部が、前記ケーブル配置部材と前記天板との間に形成され、
前記ケーブル配置部は、
前記荷電粒子ビームの進行方向に垂直な方向の長さであるケーブル配置幅が、前記電磁石における前記荷電粒子ビームの進行方向に垂直な方向の幅よりも長いことを特徴とする電磁石架台。 - 前記天板は、前記電磁石の前記電源ケーブルが前記ケーブル配置部から天板の上側に通過する開口を有することを特徴とする請求項1記載の電磁石架台。
- 前記天板は、当該電磁石架台を吊り上げるワイヤーを接続するワイヤー接続具を有することを特徴とする請求項1または2に記載の電磁石架台。
- 前記ケーブル配置部は、前記ケーブル配置幅が、前記電磁石における前記荷電粒子ビームの進行方向に垂直な方向の幅よりも1.5倍以上であることを特徴とする請求項1から3のいずれか1項に記載の電磁石架台。
- 前記天板は、前記荷電粒子ビームの進行方向に配置される複数の前記電磁石を支持する複数の電磁石支持部を有することを特徴とする請求項1から4のいずれか1項に記載の電磁石架台。
- 請求項1から4のいずれか1項に記載の電磁石架台と、
前記電磁石架台の前記天板に搭載された前記電磁石を備えたことを特徴とする電磁石装置。 - 請求項5に記載の電磁石架台と、
前記電磁石架台の前記天板における前記電磁石支持部に搭載された複数の前記電磁石を備えたことを特徴とする電磁石装置。 - 荷電粒子ビームを発生させる入射系と、前記入射系から入射された前記荷電粒子ビームを加速させる加速器と、前記加速器により加速された荷電粒子ビームを輸送するビーム輸送系と、前記ビーム輸送系で輸送された前記荷電粒子ビームを照射対象に照射する粒子線照射装置とを備え、
前記加速器及び前記ビーム輸送系の両方またはいずれか一方は、前記電磁石が搭載された請求項6または7に記載の電磁石装置を複数備え、
少なくとも一つの前記電磁石装置の前記ケーブル配置部に、当該電磁石装置の前記電磁石に接続された前記電源ケーブルと共に、他の前記電磁石装置の前記電磁石に接続された前記電源ケーブルが配置されたことを特徴とする粒子線治療装置。 - 少なくとも一つの前記電磁石装置は、前記天板に前記荷電粒子ビームの状態を計測するビーム計測機器が搭載されたことを特徴とする請求項8記載の粒子線治療装置。
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DE112015006890.2T DE112015006890T5 (de) | 2015-09-11 | 2015-09-11 | Elektromagnet-montagerahmen, elektromagnet-vorrichtung, teilchenstrahl-therapiesystem |
JP2017538812A JP6419345B2 (ja) | 2015-09-11 | 2015-09-11 | 電磁石架台、電磁石装置及び粒子線治療装置 |
US15/572,738 US20180114667A1 (en) | 2015-09-11 | 2015-09-11 | Electromagnet mounting frame, electromagnet device, and particle beam therapy system |
CN201580082913.5A CN108029187A (zh) | 2015-09-11 | 2015-09-11 | 电磁体支架、电磁体装置及粒子射线治疗装置 |
PCT/JP2015/075818 WO2017042951A1 (ja) | 2015-09-11 | 2015-09-11 | 電磁石架台、電磁石装置及び粒子線治療装置 |
TW105101215A TWI565370B (zh) | 2015-09-11 | 2016-01-15 | 電磁鐵支架、電磁鐵裝置及粒子線治療裝置 |
US16/784,752 US20200176211A1 (en) | 2015-09-11 | 2020-02-07 | Electromagnet mounting frame, electromagnet device, and particle beam therapy system |
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US16/784,752 Continuation US20200176211A1 (en) | 2015-09-11 | 2020-02-07 | Electromagnet mounting frame, electromagnet device, and particle beam therapy system |
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- 2015-09-11 CN CN201580082913.5A patent/CN108029187A/zh active Pending
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JPH03291900A (ja) * | 1990-04-09 | 1991-12-24 | Ishikawajima Harima Heavy Ind Co Ltd | 小型sor装置の組立方法 |
JPH05198397A (ja) * | 1991-10-08 | 1993-08-06 | Hitachi Ltd | 円形加速器並びにビーム出射方法及び出射装置 |
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US20200176211A1 (en) | 2020-06-04 |
DE112015006890T5 (de) | 2018-05-24 |
TWI565370B (zh) | 2017-01-01 |
CN108029187A (zh) | 2018-05-11 |
JP6419345B2 (ja) | 2018-11-07 |
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