CN105536152A - Treatment table for neutron capture therapy and neutron capture therapy system - Google Patents
Treatment table for neutron capture therapy and neutron capture therapy system Download PDFInfo
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- CN105536152A CN105536152A CN201510686326.9A CN201510686326A CN105536152A CN 105536152 A CN105536152 A CN 105536152A CN 201510686326 A CN201510686326 A CN 201510686326A CN 105536152 A CN105536152 A CN 105536152A
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- 238000002560 therapeutic procedure Methods 0.000 title claims abstract description 63
- 238000002360 preparation method Methods 0.000 claims description 42
- 238000009434 installation Methods 0.000 claims description 32
- 230000005855 radiation Effects 0.000 claims description 11
- 230000001678 irradiating effect Effects 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 description 36
- 239000002245 particle Substances 0.000 description 11
- 230000008859 change Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 230000033228 biological regulation Effects 0.000 description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000007799 cork Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
Provided are a treatment table for neutron capture therapy and a neutron capture therapy system, which can move a treatment table for neutron capture therapy to an irradiation chamber while maintaining a positional relationship between a collimator and an irradiation object. A treatment table (2) for neutron capture therapy, which places an irradiation object (S) during neutron capture therapy for irradiating the irradiation object (S) with a neutron beam, is provided with: a traveling unit (30) that travels along the ground (F); a top plate (41) which is provided on the traveling section and on which an object to be irradiated is placed; a collimator (14) provided on the traveling section and provided with an opening (14a) for defining the irradiation range of the neutron beam; a collimator mounting portion (50) for supporting the collimator so that the position of the collimator with respect to the top plate can be adjusted; and a 1 st rotation support section (47) for supporting the top plate and the collimator so that they can rotate together with the traveling section.
Description
The application advocates the priority of No. 2014-218565th, the Japanese patent application based on application on October 27th, 2014.The full content of its application is by reference to being applied in this description.
Technical field
The present invention relates to a kind of neutron-capture therapy treatment table and neutron-capture therapy system.
Background technology
Treatment table when disclosing in patent documentation 1 for carrying out by irradiating neutron beam and treating the neutron-capture therapy of patient's (irradiated body).This treatment table possesses base portion, the top board (mounting portion) loading patient and the collimator installation portion be provided with irradiating the collimator specified in the range of exposures of the neutron beam of patient.Top board can move relative to base portion, and collimator installation portion is fixed on base portion.In this treatment table, by making top board move relative to base portion, the position relationship between top board and collimator can be adjusted.
In neutron-capture therapy system described in patent documentation 1, first, to couch the patient on top board in preparation room constraint, and top board is moved relative to base portion, and para-position is carried out to the irradiation target of patient and collimator.After carrying out this para-position, from preparation room, treatment table is moved to exposure cell.In exposure cell, embed collimator at the irradiation mouth of the neutron beam being arranged at the wall portion in exposure cell, and carry out the irradiation of neutron beam.During moving treatment platform, the width of the door of preparation room, the door of exposure cell or the passage between exposure cell and preparation room is narrower, therefore in order to suppress top board to disturb these doors time mobile, relative to base portion rotating top plate to make the long side direction of top board mobile treatment table under the state of the moving direction for the treatment of table, after mobile end, rotating top plate, and return to the direction identical with during para-position.
As mentioned above, not in exposure cell but to carry out the reason of the para-position between patient and collimator at preparation room as follows.That is, in neutron-capture therapy, the regulation point preferably to patient irradiates neutron beam, but causes in fact sometimes in exposure cell, irradiate the neutron beam had to a certain degree in entirety.Therefore, sometimes because the dosage in exposure cell uprises, and staff or doctor should not be made to stay for a long time in exposure cell.On the other hand, need to spend some times when carrying out para-position to the patient be placed on the top board for the treatment of table and collimator.For above reason, at preparation room, para-position is carried out to patient and collimator not in exposure cell.
As mentioned above, the reason that the width of the door of preparation room and the door of exposure cell is narrower is as follows.That is, the gate open of the door of preparation room and exposure cell is often made up of the shield such as lead of shielding lonizing radiation, and is formed very thick.During shutter door, such as, use motor etc., but the weight of door is comparatively large, therefore considers to need to carry out opening and closing with low speed from safety point.Therefore Men Yuekuan, the time required during opening and closing is longer.For above reason, the width of the door of preparation room and the door of exposure cell is narrower.In addition, when the width of door is larger, sometimes by by for treatment table by time the width of opening that formed because door opens establish narrow, thus reduce the amount of movement of door.
Patent documentation 1: Japanese Unexamined Patent Publication 2014-161621 publication
In neutron-capture therapy system described in above-mentioned patent documentation 1, as mentioned above, collimator installation portion is fixed on base portion, if therefore make top board rotate relative to base portion when moving treatment platform, then the position relationship between top board and collimator will change.Therefore, after mobile end, even if by rotating top plate make its towards with when arranging towards identical, and reappear the state in preparation room, top board also likely cannot be made accurately to turn back to original position.Now, likely cause the position relationship between collimator and patient to depart from position relationship when arranging, and cannot treat according to plan.
Summary of the invention
The present invention completes in view of the foregoing, and its object is to provides a kind of neutron-capture therapy treatment table and the neutron-capture therapy system that neutron-capture therapy treatment table can be moved to exposure cell while keeping the position relationship between collimator and irradiated body.
Neutron-capture therapy treatment table of the present invention, load irradiated body when carrying out neutron-capture therapy neutron beam being irradiated to irradiated body, this neutron-capture therapy treatment table possesses: running part, along ground running; Top board, is arranged on running part, and mounting irradiated body; Collimator, is arranged on running part, and is provided with the opening of the range of exposures for regulation neutron beam; Collimator installation portion, supports collimator can adjust collimator relative to the mode of the position of top board; And the 1st rotation supporting portion, top support plate and collimator, enable them rotate together relative to running part.
In the present invention, when arranging, adjust the position relationship of collimator relative to top board (irradiated body) by collimator installation portion, and para-position is carried out to top board and collimator.Further, during moving treatment platform, by rotating the 1st rotation supporting portion, top board and collimator are rotated together relative to running part, to realize not making top board disturb the state of the door of preparation room etc.Now, because top board and collimator rotate integrally, the position relationship therefore between top board and collimator does not change.And, after mobile end, by making the 1st rotation supporting portion rotate to position when arranging, can the state of accurate recreation when arranging.Therefore, according to the present invention, while keeping the position relationship between collimator and irradiated body, treatment table can be moved to exposure cell.
Further, in neutron-capture therapy treatment table of the present invention, also can be that collimator installation portion has the 2nd rotation supporting portion that supporting collimator can rotate relative to top board.According to this structure, the position of collimator relative to top board can be adjusted with simple structure by collimator installation portion.
Further, in neutron-capture therapy treatment table of the present invention, also can be that the rotating shaft of the 1st rotation supporting portion and the rotating shaft of the 2nd rotation supporting portion are located on the same line.In neutron-capture therapy system, sometimes embed collimator at the irradiation mouth of the neutron beam being arranged at the wall portion in exposure cell.Now, when arranging, by rotating the 2nd rotation supporting portion, para-position is carried out to top board and collimator, and by rotation the 1st rotation supporting portion, carry out collimator relative to the location irradiating mouth.Now, in order to collimator is embedded into irradiation mouth, need the position of collimator and posture to be all registered to irradiation mouth.Suppose, when the rotating shaft of the 1st rotation supporting portion is different from the rotating shaft of the 2nd rotation supporting portion, the moving track of collimator when the 1st rotation supporting portion rotates from the 2nd rotation supporting portion when rotating is different, is therefore difficult to the position of collimator and posture to be all registered to irradiation mouth.In this, according to this structure, the rotating shaft of the 1st rotation supporting portion and the rotating shaft of the 2nd rotation supporting portion are located on the same line, even if rotate any one rotation supporting portion in the 1st rotation supporting portion and the 2nd rotation supporting portion, collimator also circumferentially moves same, therefore, it is possible to like a cork the position of collimator and posture are registered to irradiation mouth.
Further, in neutron-capture therapy treatment table of the present invention, also can be, running part have along ground moving basilar part and make the 1st rotation supporting portion relative to basilar part to the direction movement that the moving direction with basilar part intersects horizontal walk portion.In neutron-capture therapy system, the direction opening that intersects at the moving direction with running part (basilar part) of the irradiation mouth of neutron beam and establishing sometimes.In this, according to this structure, after collimator is set to assigned position, by horizontal walk portion move the 1st rotation supporting portion (top board and collimator) to this direction, thus collimator can be embedded into irradiation mouth.Therefore, such as with by the movements such as staff can on the ground to the treatment table of any direction movement collimator is embedded into irradiate mouth time compared with, easily exactly collimator can be embedded into irradiation mouth.
Further, in neutron-capture therapy system of the present invention, neutron beam is irradiated to irradiated body, this neutron-capture therapy system possesses: the neutron-capture therapy treatment table according to any one of technical scheme 1 ~ 4; Preparation room, the position relationship between this adjustment collimator and irradiated body; Exposure cell, irradiates neutron beam at this to irradiated body; And the irradiation mouth of neutron beam, be arranged at the wall portion in exposure cell, neutron-capture therapy treatment table can be walked between preparation room and exposure cell.
In the present invention, when arranging, by the position relationship of collimator installation portion adjustment collimator relative to top board (irradiated body), and para-position is carried out to top board and collimator.Further, during moving treatment platform, by rotating the 1st rotation supporting portion, top board and collimator are rotated together relative to running part, to realize not making top board disturb the state of the door of preparation room etc.Now, because top board and collimator rotate integrally, the position relationship therefore between top board and collimator does not change.And, after mobile end, by making the 1st rotation supporting portion rotate to position when arranging, can the state of accurate recreation when arranging.Therefore, according to the present invention, while keeping the position relationship between collimator and irradiated body, treatment table can be moved to exposure cell.
And, in neutron-capture therapy system of the present invention, also can be, between exposure cell and preparation room, be provided with shielding from the door of the lonizing radiation of the inner radiation of exposure cell, for neutron-capture therapy treatment table by time the width of opening that formed because door opens be less than the length of the long side direction of top board.According to this neutron-capture therapy system, even if for neutron-capture therapy treatment table by time the width of opening that formed because door opens be less than the length of the long side direction of top board, also while keeping the position relationship between collimator and irradiated body, treatment table can be moved to exposure cell.
Invention effect
According to the present invention, a kind of neutron-capture therapy treatment table and the neutron-capture therapy system that neutron-capture therapy treatment table can be moved to exposure cell while keeping the position relationship between collimator and irradiated body can be provided.
Accompanying drawing explanation
Fig. 1 is the structure of neutron-capture therapy system and the schematic diagram of configuration that represent embodiment.
Fig. 2 represents neutron beam generating unit and figure around thereof.
Fig. 3 is the figure representing treatment table.
(a) ~ (c) of Fig. 4 is the approximate vertical view of the mobile status representing treatment table.
(a) ~ (c) of Fig. 5 is the approximate vertical view of the mobile status representing treatment table, and is the subsequent figure of Fig. 4.
Symbol description
1-neutron-capture therapy system, 2-treatment table (neutron-capture therapy treatment table), 3-preparation room, 4-exposure cell, 14-collimator, the opening of 14a-collimator, 16-irradiates mouth, 30-running part, 31-basilar part, 33-horizontal walk portion, 41-top board, 47-the 1st rotation support mechanism (the 1st rotation supporting portion), 50-collimator installation portion, 55-the 2nd rotation support mechanism (the 2nd rotation supporting portion), A-rotating shaft, D-door, the length of the long side direction of L-top board, the opening that M1-is formed by door, N-neutron beam, S-patient's (irradiated body), the width of the opening that WD1-is formed by door.
Detailed description of the invention
Below, with reference to accompanying drawing, the preferred embodiment of the present invention is described in detail.In addition, in each figure, identical symbol is marked to same section or corresponding part, and omit repeat specification.And, set a kind of using the injection direction of neutron beam N penetrated from aftermentioned neutron beam generating unit 9 as X-axis, orthogonal with X-axis and along the direction of landing ground F as Y-axis, using the XYZ axis coordinate system (with reference to figure 2 ~ Fig. 4) of the direction vertical with ground F as Z axis, and this coordinate system is suitably used in the explanation of the position relationship of each constitutive requirements.
Fig. 1 is the axonometric chart of the structure of the neutron-capture therapy system representing embodiment, and Fig. 2 represents neutron beam generating unit and figure around thereof.The neutron-capture therapy system 1 of embodiment is for carrying out the device of boron neutron-capture therapy (BNCT:BoronNeutornCaptureTherapy).Boron neutron-capture therapy be by injection boron (
10b) patient's (irradiated body) irradiates neutron beam to carry out the therapy for the treatment of of cancer.
As shown in Figure 1, neutron-capture therapy system 1 possess constraint patient and transfer the treatment table 2 (neutron-capture therapy treatment table) that patient is used for the treatment of, the preparation room 3 implementing preparation patient being strapped in treatment table 2 etc., irradiate to patient neutron beam exposure cell 4, be arranged at contact room 5 between preparation room 3 and exposure cell 4 and adjacent with exposure cell 4 and neutron beam that is that establish generates room 6.The neutron beam generating unit 7 (Fig. 2) being provided with in room 6 and producing neutron beam is generated at neutron beam.
As shown in Figure 2, neutron beam generating unit 7 has charged particle is accelerated with the accelerator 8 penetrate charged particle beam P and the neutron beam generating unit 9 of charged particle beam P generation neutron beam N penetrated from autoacceleration device 8.Accelerator 8 is such as cyclotron, and charged particle is accelerated, and penetrates charged particle beam P (such as proton beam).
Neutron beam generating unit 9 by charged particle beam scanner section 11, for generation of neutron beam N target T, for by make neutron beam N slow down the energy to reduce neutron beam N decelerating material 12 and shield the shield 13 of lonizing radiation and formed.Charged particle beam scanner section 11 scanning strip beam of charged particles P, and the irradiation carried out to target T illumination bands beam of charged particles P controls.Target T such as can be formed as the circular plate shape be made up of beryllium (Be), but also can adopt the target of other shapes or liquid state.Target T produces neutron beam N after being subject to the irradiation of charged particle beam P.
A part for decelerating material 12 and shield 13 is arranged at shielding exposure cell 4 and neutron beam generates in the concrete barrier shield W between room 6.Decelerating material 12 slows down by making the neutron beam N penetrated from target T with the energy reducing neutron beam N.The stepped construction of decelerating material 12 such as in stacked different multiple material.Shield 13 shields the secondary radiations such as the secondary radiations such as the neutron beam N being not used in treatment, the γ line produced along with the generation of this neutron beam N in target T and the γ line that produces along with the deceleration of the neutron beam N in decelerating material 12, in case it emits to outside (side, exposure cell 4).
The collimator 14 of the range of exposures of irradiating patient S for regulation neutron beam N is configured with in the front of decelerating material 12.In neutron beam generating unit 9, charged particle beam P irradiates target T, produces neutron beam N thus.The neutron beam N produced is decelerated by decelerating material 12.The neutron beam N penetrated from decelerating material 12 is by the patient S irradiation treatment platform 2 after collimator 14.Neutron beam N comprises fast neutron bundle, epithermal neutron beam and thermal beam, also has γ line.Wherein primarily of thermal beam with carried out nuclear reaction by the boron that the tumor in patient S body absorbs, and play effective therapeutic effect.The part being contained in the epithermal neutron beam in the beam of neutron beam N is also slowed down and becomes the epithermal neutron beam playing above-mentioned therapeutic effect in the body of patient S.
Collimator 14 is such as the flat board of the rounded shape of profile.The outer shape of collimator 14 is corresponding with the inner surface configuration of the irradiation mouth 16 being arranged at aftermentioned exposure cell 4.Collimator 14 is provided with for regulation range of exposures, such as circular open 14a.By making the posture of patient S remain on assigned position relative to opening 14a, the regulation that the neutron beam N by opening 14a can be irradiated to patient S irradiates target.In this example, collimator 14 is configured to make the mode be positioned in X-axis by the irradiation central axis C at the center (center of opening 14a) of exposure field.
Be described with reference to figure 1 pair of exposure cell 4.Patient S is placed in indoor room by exposure cell 4 in order to neutron beam N is irradiated to patient S.Exposure cell 4 has the shielding space surrounded by concrete barrier shield.Having at the setup of entrances and exits of exposure cell 4 can opposite house D1, D1 of opening and closing.The gateway of exposure cell 4 has the size can passed through for treatment table 2.More specifically, the gateway of exposure cell 4 is can for the long side direction of aftermentioned top board 41 along the current size of the treatment table 2 of the state (state of Fig. 4 (c)) of Y direction.Further, in this example, the width of the X-direction of the gateway of exposure cell 4 is less than the length L (Fig. 2) of the long side direction of top board 41.Therefore, at the long side direction of top board 41 along under the state of X-axis, treatment table 2 cannot pass through in the gateway of exposure cell 4.Because in order to save space and guarantee the shielding of lonizing radiation, preferably the gateway of exposure cell 4 is established little as far as possible.That is, under the state be opened at opposite house D1, a D1, width (width of opposite house D1, a D1 on the opening and closing direction) WD1 being formed at the opening M1 between these is less than the length L of the long side direction of top board 41.In other words, make treatment table 2 by time the width W D1 of opening M1 that formed because opposite house D1, a D1 opens be less than the length L of the long side direction of top board 41.In addition, can by for treatment table 2 by time the width W D1 of opening M1 be set smaller than opposite house D1, a D1 and open to obtain the width of the opening M1 under maximum rating.Further, opposite house D1, a D1 all can be configured to movable, also can be configured to only make one of them door movable relative to another door.
Cover 15 (wall portion) is provided with on the surface of the side, exposure cell 4 of shield 13.Cover 15 forms a part for the inner wall surface of exposure cell 4.Cover 15 is provided with the irradiation mouth 16 of the gateway becoming neutron beam N.Collimator 14 is embedded with at irradiation mouth 16.Irradiate mouth 16 to X-direction opening, and the rounded shape of inner surface.
Preparation room 3 has been used to and has irradiated neutron beam N in exposure cell 4 to patient S and implement the room of required work.In preparation room 3, such as, patient S is strapped in treatment table 2 and the position relationship between adjustment collimator 14 and patient S.Therefore, preparation room 3 is of a size of and can be contained in for staff the size implementing preparation around indoor treatment table 2 like a cork.Having at the setup of entrances and exits of preparation room 3 can opposite house D2, D2 of opening and closing.The size of the gateway of preparation room 3 is such as few with the gateway difference in size of exposure cell 4.The gateway of preparation room 3 is also same with exposure cell 4, preferably establishes little as far as possible.That is, under the state be opened at opposite house D2, a D2, width (width of opposite house D2, a D2 on the opening and closing direction) WD2 being formed at the opening M2 between these is less than the length L of the long side direction of top board 41.
Further, be provided with in preparation room 3 for equal state during exposure cell 4 internal radiation neutron beam N under the wall portion 17 for the treatment of table 2 and collimator 14 is set.Be provided with in wall portion 17 and the virtual irradiation mouth 18 irradiating mouth 16 same shape.When arranging, in virtual irradiation mouth 18, embed collimator 14.Carrying out collimation device 14 for using virtual irradiation mouth 18 carries out aftermentioned with the method that patient S carries out para-position.
Contact room 5 is for being communicated with preparation room 3 and the also mobile room being in the treatment table 2 of the state fettering patient S, exposure cell 4.Contact room 5 has the width that can pass through for treatment table 2.More specifically, be of a size of can for the long side direction of aftermentioned top board 41 along the current size of the treatment table 2 of the state (state of Fig. 4 (c)) of Y direction for contact room 5.Further, in this example, the width of the X-direction of contact room 5 is less than the length L of the long side direction of top board 41.Therefore, at the long side direction of top board 41 along under the state of X-axis, treatment table 2 cannot be made to pass through at contact room 5.Contact room 5 is also same with exposure cell 4, preferably establishes little as far as possible.
Further, neutron-capture therapy system 1 also possesses the pair of guide rails 19 for making treatment table 2 walk between preparation room 3 and exposure cell 4.Guide rail 19 is arranged with linearity by the inside of contact room 5 down to exposure cell 4 along X-axis from the inside of preparation room 3.
Then, treatment table 2 is described.Fig. 3 is the figure representing treatment table 2.As shown in Figure 3, treatment table 2 possess the running part 30 of walking along landing ground F, the top board 41 (mounting portion) with mounting patient S base portion 40 (the 1st rotating part) and the collimator installation portion 50 (the 2nd rotating part) of collimator 14 is installed.Base portion 40 is arranged on running part 30, and collimator installation portion 50 is arranged in base portion 40.That is, top board 41 and collimator 14 are arranged on running part 30.
Running part 30 there is the basilar part 31 along landing ground F to Y direction movement and to be configured on basilar part 31 and relative to basilar part 31 to X-direction move (horizontal walk) horizontal walk portion 33.The profile of basilar part 31 is such as in rectangular-shaped shape.Basilar part 31 is configured at the foot for the treatment of table 2, and moves on rails 19.As the structure realizing this movement, in this example embodiment, basilar part 31 has a pair drive division 32 (Fig. 2).Drive division 32 such as by being arranged at the drivings such as conveyer mechanism in basilar part 31, and according to carrying out the instruction of self-control device along guide rail 19 sliding basilar part 31.
Horizontal walk the profile in portion 33 such as in rectangular-shaped shape.As designated by arrows b in fig, horizontal walk portion 33 move to X-direction relative to basilar part 31, make base portion 40 and collimator installation portion 50 mobile to X-direction (direction that the moving direction of basilar part 31 is namely orthogonal with Y direction) relative to basilar part 31 thus.As the mechanism for this movement, in this example embodiment, horizontal walk portion 33 there is a pair travel mechanism 35 be arranged between itself and basilar part 31.Travel mechanism 35 such as by the guide rail established along X-direction on basilar part 31, be arranged at horizontal walk the lower surface in portion 33 and the slide block etc. that can engage relative to slide form, and according to the instruction carrying out self-control device make horizontal walk portion 33 relative to basilar part 31 sliding.
Base portion 40 has the chassis portion 45 of the top board 41 of mounting patient S, the pars contractilis 43 of top support plate 41 and supporting pars contractilis 43.Top board 41 is formed as tabular, and the profile of the side of such as long side direction is circular shape, and the profile rectangular shaped of remainder.When top board 41 loads the patient S of the state (clinostatism) that couches, at this arc-shaped partial configuration head.The length of the long side direction of top board 41 is the length (such as about 2m) that the health of patient S can be made to lie down.Pars contractilis 43 extends in the Z-axis direction, and can stretch in the Z-axis direction according to the instruction carrying out self-control device.
The profile in chassis portion 45 is such as in rectangular-shaped outer shape.Chassis portion 45 has wheel 46 in bottom, from horizontal walk portion 33 dismantle state under, can be moved on the F of ground by wheel 46.Further, chassis portion 45 with can via the 1st rotation support mechanism (the 1st rotation supporting portion) 47 rotate mode by horizontal walk portion 33 support.1st rotation support mechanism 47 is such as the rotating mechanism of built-in bearing etc., according to the instruction carrying out self-control device, chassis portion 45 (base portion 40) is rotated around rotating shaft A.That is, the 1st rotation support mechanism 47 top support plate 41 and collimator 14, enables them rotate together relative to running part 30.In other words, the 1st rotation support mechanism 47 top support plate 41 and collimator 14, enable top board 41 and these both sides of collimator 14 rotate integrally relative to running part 30.
Collimator installation portion 50 has the horizontal plate 53 holded up sheet 51 and extend in the horizontal direction extended in the Z-axis direction.In the upper end of holding up sheet 51, removable collimator 14 is installed.One end of horizontal plate 53, continuously to the bottom of holding up sheet 51, is supported in the other end and can rotates relative to chassis portion 45 via the 2nd rotation support mechanism (the 2nd rotation supporting portion) 55.In this example, the rotating shaft of the 2nd rotation support mechanism 55 and the rotating shaft A of the 1st rotation support mechanism 47 are same axle.2nd rotation support mechanism 55 is such as the rotating mechanism of built-in bearing etc., according to the instruction carrying out self-control device, horizontal plate 53 (collimator installation portion 50) is rotated around rotating shaft A.That is, collimator installation portion 50 has the 2nd rotation support mechanism 55 that supporting collimator 14 can rotate relative to top board 41, and supports collimator 14 can adjust collimator 14 relative to the mode of the position of running part 30.
Then, the treatment flow process that make use of neutron-capture therapy system 1 is described.Fig. 4 and Fig. 5 is the approximate vertical view of the mobile status of the treatment table represented when treating.First, patient S is implemented to the preparation of regulation before entering neutron-capture therapy system 1.Then, make patient S and staff enter preparation room 3, patient S is lain down on top board 41.And staff utilizes crimp to be strapped on top board 41 by the health of patient S.
Afterwards, adjust the position relationship between irradiation target in patient S and collimator 14 by staff, and para-position is carried out to patient S and collimator 14.Afterwards, staff move to side, wall portion 17 horizontal walk portion 33, and embed collimator 14 in the virtual irradiation mouth 18 in wall portion 17.Thus, in preparation room 3, treatment table 2 and collimator 14 are set with the state identical with when exposure cell 4 internal radiation neutron beam N.In this preparation room 3, an example of the state arranged is terminated shown in Fig. 4 (a).
More specifically, carry out this when arranging, by the rotation of collimator installation portion 50 (the 2nd rotation support mechanism 55), adjustment collimator 14 relative to the position relationship of top board 41, and carries out the para-position between collimator 14 and patient S.Further, by the rotation of base portion 40 (the 1st rotation support mechanism 47), base portion 40 and these both sides of collimator installation portion 50 are rotated integrally relative to running part 30, and the center of collimator 14 is located in X-axis.And, horizontal walk portion 33 move to side, wall portion 17, and embed collimator 14 in virtual irradiation mouth 18.In addition, the rotation of above-mentioned base portion 40 and the rotation of collimator installation portion 50 can be implemented simultaneously, also first can implement one of them and rotate.Further, when arranging, by flexible adjustment top board 41 and collimator 14 position relationship in the Z-axis direction of pars contractilis 43.
Then, treatment table 2 moves to exposure cell 4.First, as shown in Fig. 4 (b), horizontal walk portion 33 move to the side away from wall portion 17, collimator 14 departs from from virtual irradiation mouth 18.Then, as shown in Fig. 4 (c), base portion 40 rotates, and become make top board 41 long side direction along the state of Y direction.In this condition, basilar part 31 moves to Y direction, and treatment table 2 moves to exposure cell 4 (Fig. 5 (a)) from preparation room 3 by contact room 5.Now, the long side direction of top board 41 becomes the state along Y direction, and therefore the gateway (door D2) of preparation room 3 and the gateway (door D1) of exposure cell 4 can not make top board 41 disturb the interior wall of contact room 5.Further, when base portion 40 rotates, because base portion 40 and collimator installation portion 50 rotate integrally, the position relationship therefore between top board 41 and collimator 14 can not change from state when arranging.
Then, the irradiation carrying out neutron beam N in exposure cell 4 prepares.First, as shown in Fig. 5 (b), base portion 40 rotates the position to (Fig. 4 (a)) when arranging.At this moment, base portion 40 also rotates integrally with collimator installation portion 50, and the position relationship therefore between top board 41 and collimator 14 can not change from state when arranging.Then, as shown in Fig. 5 (c), horizontal walk portion 33 move to side, wall portion 17, irradiation mouth 16 in embed collimator 14.Thus, reappear state when arranging exactly, and collimator 14 and patient S are with the configuration of the position relationship of regulation.Afterwards, start to irradiate neutron beam N to patient S.
As described above, in the treatment table 2 of present embodiment, when arranging, adjusting the position relationship of collimator 14 relative to top board 41 (patient S) by collimator installation portion 50, and para-position is carried out to top board 41 and collimator 14.Further, when moving treatment platform 2, by rotating the 1st rotation support mechanism 47, top board 41 and collimator 14 being rotated together relative to running part 30, and is set to the state not making top board 41 disturb the door of preparation room 3 etc.Now, because top board 41 and collimator 14 rotate integrally, the position relationship therefore between top board 41 and collimator 14 does not change.And, after mobile end, by making the 1st rotation support mechanism 47 rotate to position when arranging, state when arranging can be reappeared exactly.Therefore, according to treatment table 2, while keeping the position relationship between collimator 14 and patient S, treatment table 2 can be moved to exposure cell 4.
Further, such as, sometimes by making the head of patient S directly contact collimator 14 or making the head of patient S carry out para-position close to collimator 14 to patient S and collimator 14 across some gaps.This is because if the gap between the head of patient S and collimator 14 is comparatively large, then neutron beam can from this clearance leakage, and cause illumination efficiency to decline.So, if to contact with collimator 14 or under close state at patient S, if make top board 41 rotate relative to base portion as existing neutron-capture therapy system with the state of the base portion (running part 30) collimator 14 being fixed on treatment table 2, then the head of the patient S on top board 41 is caused to rub between collimator 14 while make top board 41 rotate sometimes.Now, likely cause the posture of patient S to change, such as likely cause the cervical region of patient S to tilt slightly and change head towards.If the posture of patient S changes, even if rotating top plate 41 after then treatment table 2 being moved to exposure cell 4, also the position relationship between patient S and collimator 14 cannot be returned to position relationship when arranging.
On this aspect, in the treatment table 2 of present embodiment, owing to making top board 41 and collimator 14 rotate together relative to running part 30 when moving treatment platform 2 by the 1st rotation support mechanism 47, the position relationship therefore between top board 41 and collimator 14 does not change.Therefore, it is possible to suppress to rub between collimator 14 and the posture of patient S changes as the head of the above-mentioned patient of making S.
Further, in the treatment table 2 of present embodiment, collimator installation portion 50 has the 2nd rotation support mechanism 55 that supporting collimator 14 can rotate relative to top board 41.Thereby, it is possible to adjust the position of collimator 14 relative to top board 41 by simple structure by collimator installation portion 50.
And, in the treatment table 2 of present embodiment, the rotating shaft of the 1st rotation support mechanism 47 and the rotating shaft of the 2nd rotation support mechanism 55 are located on the same line, even if when any one rotation support mechanism in rotation the 1st rotation support mechanism 47 and the 2nd rotation support mechanism 55, also make collimator installation portion 50 circumferentially move same, therefore easy the position of collimator 14 and posture and irradiation mouth 16 are carried out para-position.
Further, in the treatment table 2 of present embodiment, after collimator 14 is arranged on assigned position, by horizontal walk portion 33 move the 1st rotation support mechanism 47 to X-direction, thus collimator 14 can be embedded into and irradiate in mouth 16.Therefore, with such as by the movements such as staff can on the F of ground to the treatment table of any direction movement collimator 14 is embedded into irradiate mouth 16 time compared with, easily exactly collimator 14 can be embedded into and irradiate in mouth 16.
Above, the preferred embodiment of the present invention is illustrated, but the present invention is not limited to above-mentioned embodiment, can be out of shape in the scope not changing the purport described in each claim, or be applied in other embodiments.
Such as, in above-mentioned embodiment, can rotate relative to running part 30 support plinth portion 40 and support collimator installation portion 50 and can be illustrated relative to the example of base portion 40 rotation, but also can be that supporting collimator installation portion 50 can rotate relative to running part 30, and support plinth portion 40 can rotate relative to collimator installation portion 50.And, in above-mentioned embodiment, the example that the rotating shaft of the 1st rotation support mechanism 47 and the rotating shaft of the 2nd rotation support mechanism 55 are located on the same line is illustrated, but the rotating shaft of the rotating shaft of the 1st rotation support mechanism 47 and the 2nd rotation support mechanism 55 also can not be located on the same line.
Further, in above-mentioned embodiment, to have make base portion 40 and collimator installation portion 50 to X-direction movement horizontal walk the example in portion 33 be illustrated, but also can not have horizontal walk portion 33.Now, if by other travel mechanisms make treatment table 2 horizontal walk.Further, contrast loophole 16 opening in the X-axis direction, and horizontal walk portion 33 the 1st rotation support mechanism 47 is illustrated to the example of X-direction movement, but when irradiation mouth 16 is such as to the direction opening intersected with Y direction, can to move to this direction.Further, in above-mentioned embodiment, about top board 41, be illustrated for the clinostatism shape of the patient S loading the state of couching, but also can be the seat shape of the patient S of mounting sitting posture state.
Further, in above-mentioned embodiment, collimator installation portion 50 can adjust the position of collimator 14 relative to top board 41 by the 2nd rotation support mechanism 55, but is not limited to this.Such as, collimator installation portion 50 also can have the multi-joint arm that can carry out 3 dimension position adjustments, and also can be can by the position of this multi-joint arm adjustment collimator 14 relative to top board 41.This multi-joint arm such as can be as follows: its base end part is fixed on base portion 40, and be provided with collimator 14 in its leading section, to be moved adjust the position of collimator 14 relative to top board 41 by leading section relative to base end part.
Further, in above-mentioned embodiment, there is a D1 at the setup of entrances and exits of exposure cell 4 and have a D2 at the setup of entrances and exits of preparation room 3, as long as but the door D1 of side, exposure cell 4 is set, also can omit the door D2 of preparation room 3 side.
Claims (6)
1. a neutron-capture therapy treatment table, loads described irradiated body when carrying out neutron-capture therapy neutron beam being irradiated to irradiated body, and this neutron-capture therapy treatment table possesses:
Running part, along ground running;
Top board, is arranged on described running part, and loads described irradiated body;
Collimator, is arranged on described running part, and is provided with the opening of the range of exposures for specifying described neutron beam;
Collimator installation portion, supports described collimator can adjust described collimator relative to the mode of the position of described top board; And
1st rotation supporting portion, supports described top board and described collimator, enables them rotate together relative to described running part.
2. neutron-capture therapy treatment table according to claim 1, wherein,
Described collimator installation portion has the 2nd rotation supporting portion that the described collimator of supporting can rotate relative to described top board.
3. neutron-capture therapy treatment table according to claim 2, wherein,
The rotating shaft of described 1st rotation supporting portion and the rotating shaft of described 2nd rotation supporting portion are located on the same line.
4. neutron-capture therapy treatment table according to any one of claim 1 to 3, wherein,
Described running part have along described ground moving basilar part and make described 1st rotation supporting portion relative to described basilar part to the direction movement that the moving direction with described basilar part intersects horizontal walk portion.
5. a neutron-capture therapy system, is irradiated to irradiated body by neutron beam, and this neutron-capture therapy system possesses:
Neutron-capture therapy treatment table according to any one of Claims 1 to 4;
Preparation room, adjusts the position relationship between described collimator and described irradiated body at this;
Exposure cell, irradiates described neutron beam at this to described irradiated body; And
The irradiation mouth of described neutron beam, is arranged at the wall portion in described exposure cell,
Described neutron-capture therapy treatment table can be walked between described preparation room and described exposure cell.
6. neutron-capture therapy system according to claim 5, wherein,
The door of the lonizing radiation of the inner radiation shielded from described exposure cell is provided with between described exposure cell and described preparation room,
For neutron-capture therapy treatment table by time the width of opening that formed because described door opens be less than the length of the long side direction of described top board.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2014218565 | 2014-10-27 | ||
| JP2014-218565 | 2014-10-27 |
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| CN105536152A true CN105536152A (en) | 2016-05-04 |
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| CN201510686326.9A Active CN105536152B (en) | 2014-10-27 | 2015-10-21 | treatment table for neutron capture therapy and neutron capture therapy system |
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| JP (1) | JP6449127B2 (en) |
| CN (1) | CN105536152B (en) |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107890611A (en) * | 2017-11-24 | 2018-04-10 | 北京新核医疗科技有限公司 | Adjusting means and neutron radiation therapy system |
| CN110152202A (en) * | 2018-02-01 | 2019-08-23 | 青岛大学附属医院 | A kind of tumor clinical treatment equipment and using method thereof |
| CN111905275A (en) * | 2019-05-07 | 2020-11-10 | 禾荣科技股份有限公司 | Neutron beam generator |
| TWI711432B (en) * | 2018-05-18 | 2020-12-01 | 中國商中硼（廈門）醫療器械有限公司 | Neutron capture therapy system and supporting table |
| CN112741967A (en) * | 2019-10-29 | 2021-05-04 | 中硼(厦门)医疗器械有限公司 | Radiation therapy system |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353345B (en) * | 2016-08-12 | 2019-03-05 | 上海蓝十字脑科医院有限公司 | Device is observed with radioreaction by dept. of radiology |
| JP2020146109A (en) * | 2019-03-11 | 2020-09-17 | 住友重機械工業株式会社 | Fixing device for neutron capture therapy, top plate for traveling device and neutron capture therapy facility |
| CN111388881B (en) | 2020-03-23 | 2022-01-28 | 上海联影医疗科技股份有限公司 | Control method and system of beam limiting device |
| JP7650695B2 (en) * | 2021-03-26 | 2025-03-25 | 住友重機械工業株式会社 | Treatment preparation equipment and treatment facilities |
| JPWO2023190522A1 (en) * | 2022-03-31 | 2023-10-05 | ||
| JP2025082592A (en) | 2023-11-17 | 2025-05-29 | 住友重機械工業株式会社 | Particle beam treatment system and support member for particle beam treatment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06170004A (en) * | 1992-08-21 | 1994-06-21 | Nomos Corp | Method and apparatus for non-matched radiation therapy |
| CN1634620A (en) * | 2003-12-31 | 2005-07-06 | 深圳市尊瑞科技有限公司 | Radiation device for radiation therapy and radiation method therefor |
| WO2014132501A1 (en) * | 2013-02-27 | 2014-09-04 | 住友重機械工業株式会社 | Neutron capture therapy system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4889490B2 (en) * | 2003-08-12 | 2012-03-07 | ローマ リンダ ユニヴァーシティ メディカル センター | Modular patient support system |
| JP5054335B2 (en) * | 2006-07-18 | 2012-10-24 | 株式会社日立製作所 | Medical device for boron neutron capture therapy |
| CN101573157B (en) * | 2006-08-15 | 2012-06-13 | 断层放疗公司 | Method and apparatus for stabilizing an energy source in a radiation delivery device |
| US20110154569A1 (en) * | 2009-12-28 | 2011-06-30 | Varian Medical Systems, Inc. | Mobile patient support system |
| DE102011006451B3 (en) * | 2011-03-30 | 2012-05-31 | Siemens Aktiengesellschaft | Radiation therapy apparatus for treating tumor disease, has positioning device which is more extensible to front end when beam head in secondary mode of operation is seen by positioning device before front surface |
| JP6080600B2 (en) * | 2013-02-22 | 2017-02-15 | 三菱電機株式会社 | Patient positioning system for particle beam therapy |
| JP5968804B2 (en) * | 2013-02-27 | 2016-08-10 | 住友重機械工業株式会社 | Neutron capture therapy system and mounting table for neutron capture therapy |
-
2015
- 2015-10-09 JP JP2015201306A patent/JP6449127B2/en active Active
- 2015-10-14 TW TW104133696A patent/TWI558435B/en active
- 2015-10-21 CN CN201510686326.9A patent/CN105536152B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06170004A (en) * | 1992-08-21 | 1994-06-21 | Nomos Corp | Method and apparatus for non-matched radiation therapy |
| CN1634620A (en) * | 2003-12-31 | 2005-07-06 | 深圳市尊瑞科技有限公司 | Radiation device for radiation therapy and radiation method therefor |
| WO2014132501A1 (en) * | 2013-02-27 | 2014-09-04 | 住友重機械工業株式会社 | Neutron capture therapy system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107890611A (en) * | 2017-11-24 | 2018-04-10 | 北京新核医疗科技有限公司 | Adjusting means and neutron radiation therapy system |
| CN107890611B (en) * | 2017-11-24 | 2024-01-26 | 北京新核核工程科技有限公司 | Adjusting device and neutron radiation therapy system |
| CN110152202A (en) * | 2018-02-01 | 2019-08-23 | 青岛大学附属医院 | A kind of tumor clinical treatment equipment and using method thereof |
| TWI711432B (en) * | 2018-05-18 | 2020-12-01 | 中國商中硼（廈門）醫療器械有限公司 | Neutron capture therapy system and supporting table |
| US11986679B2 (en) | 2018-05-18 | 2024-05-21 | Neuboron Therapy System Ltd. | Neutron capture therapy system |
| CN111905275A (en) * | 2019-05-07 | 2020-11-10 | 禾荣科技股份有限公司 | Neutron beam generator |
| CN112741967A (en) * | 2019-10-29 | 2021-05-04 | 中硼(厦门)医疗器械有限公司 | Radiation therapy system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105536152B (en) | 2019-02-19 |
| TWI558435B (en) | 2016-11-21 |
| JP2016083351A (en) | 2016-05-19 |
| TW201617108A (en) | 2016-05-16 |
| JP6449127B2 (en) | 2019-01-09 |
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