CN105536152B - Neutron-capture therapy instrument table and neutron-capture therapy system - Google Patents
Neutron-capture therapy instrument table and neutron-capture therapy system Download PDFInfo
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- CN105536152B CN105536152B CN201510686326.9A CN201510686326A CN105536152B CN 105536152 B CN105536152 B CN 105536152B CN 201510686326 A CN201510686326 A CN 201510686326A CN 105536152 B CN105536152 B CN 105536152B
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- capture therapy
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Abstract
A kind of neutron-capture therapy instrument table and neutron-capture therapy system that neutron-capture therapy can be moved to exposure cell while keeping the position relationship between collimator and irradiated body with instrument table is provided.Neutron-capture therapy loads irradiated body when carrying out and neutron beam being irradiated to the neutron-capture therapy of irradiated body (S) with instrument table (2), has: running part (30), walks along ground (F)；Top plate (41), is set on running part, and be placed with irradiated body；Collimator (14), is set on running part, and is provided with the opening (14a) of the range of exposures for regulation neutron beam；Collimator mounting portion (50) supports collimator in a manner of it can adjust collimator relative to the position of top plate；And the 1st rotation supporting portion (47), top support plate and collimator, it allows them to rotate together relative to running part.
Description
This application claims preferential based on Japanese patent application filed on October 27th, 2014 the 2014-218565th
Power.Its full content applied is applied in this specification by reference.
Technical field
The present invention relates to a kind of neutron-capture therapy instrument table and neutron-capture therapy systems.
Background technique
The neutron capture for carrying out treating patient's (irradiated body) by irradiation neutron beam is disclosed in patent document 1
Instrument table when therapy.The instrument table has base portion, loads the top plate (mounting portion) of patient and be equipped with to being irradiated in patient
Neutron beam range of exposures carry out as defined in collimator collimator mounting portion.Top plate can be mobile relative to base portion, quasi-
Straight device mounting portion is fixed on base portion.In the instrument table, by keeping top plate mobile relative to base portion, top plate and standard can be adjusted
Positional relationship between straight device.
In patent document 1 in documented neutron-capture therapy system, firstly, lying down on top plate in preparation room constraint
Patient, and it is mobile relative to base portion to make top plate, and aligns to the irradiation target of patient with collimator.Carry out the contraposition
Later, exposure cell is moved to from preparation room by instrument table.In exposure cell, it is being set to the photograph for irradiating the neutron beam in indoor wall portion
Loophole is embedded in collimator, and carries out the irradiation of neutron beam.When mobile instrument table, the door of preparation room, the door of exposure cell or exposure cell
The narrower width in the channel between preparation room, therefore inhibit top plate to interfere these doors when in order to move, relative to base portion
Rotating top plate moves end so that the longitudinal direction of top plate mobile instrument table in the state of the moving direction of instrument table
Afterwards, rotating top plate, and be restored to and direction identical when aligning.
As described above, as follows the reason of preparation room carries out the contraposition between patient and collimator not in exposure cell.
That is, preferably irradiating neutron beam to the regulation point of patient, but actually sometimes result in whole in exposure cell in neutron-capture therapy
Irradiation has a degree of neutron beam in body.Therefore, got higher sometimes because irradiating indoor dosage, and should not make staff or
Doctor stays for a long time in exposure cell.On the other hand, it is needed when being aligned to the patient on the top plate for being placed in instrument table with collimator
It takes some time.For the above reason, not in exposure cell but patient and collimator are aligned in preparation room.
As described above, the reason of narrower width of the door of the door and exposure cell of preparation room, is as follows.That is, the door and photograph of preparation room
The door for penetrating room is usually made of shields such as the lead of shielding radioactive ray, and is formed very thick.When shutter door, such as use motor
Deng, but the weight of door is larger, therefore considers to need to be opened and closed with low speed from safety point.Therefore Men Yuekuan, when opening and closing
The required time is longer.For the above reason, the narrower width of the door of the door and exposure cell of preparation room.In addition, the width of door compared with
When big, sometimes through by for instrument table by when because door open formed opening width set it is narrow, to reduce the movement of door
Amount.
Patent document 1: Japanese Unexamined Patent Publication 2014-161621 bulletin
In above patent document 1 in documented neutron-capture therapy system, as described above, collimator mounting portion is fixed on
Base portion, if therefore rotate top plate relative to base portion in mobile instrument table, the position between top plate and collimator is closed
System will change.Therefore, it is mobile terminate after, even by rotating top plate make its towards with when setting towards identical, and
It reappears and prepares indoor state, it is also possible to top plate can not be made accurately to return to original position.At this point, being likely to result in collimating
Positional relationship between device and patient deviates positional relationship when setting, and can not be treated according to plan.
Summary of the invention
The present invention has been made in view of the above-described circumstances, and an object thereof is to provide one kind to keep collimator and shone
Neutron-capture therapy is moved to the neutron-capture therapy of exposure cell while position relationship between beam with instrument table
With instrument table and neutron-capture therapy system.
Neutron-capture therapy instrument table of the invention is treated in the neutron capture for be irradiated to neutron beam irradiated body
Irradiated body is loaded when method, which has with instrument table: running part, along ground running；Top plate is set to walking
In portion, and load irradiated body；Collimator is set on running part, and is equipped with opening for the range of exposures for being used for regulation neutron beam
Mouthful；Collimator mounting portion supports collimator in a manner of it can adjust collimator relative to the position of top plate；And the 1st rotation branch
Bearing portion, top support plate and collimator allow them to rotate together relative to running part.
In the present invention, when being configured, collimator is adjusted by collimator mounting portion relative to top plate (irradiated body)
Positional relationship, and top plate and collimator are aligned.Also, when mobile instrument table, by rotating the 1st rotation supporting portion,
Rotate top plate and collimator together relative to running part, to realize the state of door for not making top plate interference preparation room etc..At this point,
Since top plate and collimator rotate integrally, the positional relationship between top plate and collimator does not change.Moreover, mobile knot
After beam, by make the 1st rotation supporting portion rotate to setting when position, can accurate recreation setting when state.Therefore, root
According to the present invention, instrument table can be moved to irradiation while keeping the position relationship between collimator and irradiated body
Room.
Also, in neutron-capture therapy instrument table of the invention, or, collimator mounting portion has bearing collimation
The 2nd rotation supporting portion that device can be rotated relative to top plate.According to this structure, can be pacified in simple structure by collimator
Dress portion adjusts position of the collimator relative to top plate.
Also, in neutron-capture therapy instrument table of the invention, or, the rotary shaft of the 1st rotation supporting portion with
The rotary shaft of 2nd rotation supporting portion is located on the same line.In neutron-capture therapy system, it is being set in exposure cell sometimes
Wall portion neutron beam irradiation mouth be embedded in collimator.At this point, when being configured, by rotating the 2nd rotation supporting portion, to top
Plate is aligned with collimator, and by the 1st rotation supporting portion of rotation, carries out positioning of the collimator relative to irradiation mouth.This
When, in order to which collimator is embedded into irradiation mouth, need the position of collimator and posture being registered to irradiation mouth.It is assumed that when the 1st
When the rotary shaft difference of the rotary shaft of rotation supporting portion and the 2nd rotation supporting portion, rotated when the 1st rotation supporting portion rotates with the 2nd
The moving track of collimator when supporting part rotates is different, and therefore, it is difficult to the position of collimator and posture are registered to irradiation
Mouthful.At this point, according to this structure, the rotary shaft of the 1st rotation supporting portion is located at same with the rotary shaft of the 2nd rotation supporting portion
On straight line, even if any one rotation supporting portion in the 1st rotation supporting portion of rotation and the 2nd rotation supporting portion, collimator also exist
It is moved on the same circumference, therefore the position of collimator and posture easily can be registered to irradiation mouth.
Also, in neutron-capture therapy instrument table of the invention, or, running part has along ground moving
Basal part and the direction for intersecting the 1st rotation supporting portion to the moving direction with basal part relative to basal part it is mobile it is horizontal walk
Portion.In neutron-capture therapy system, the irradiation mouth of neutron beam is in the side that the moving direction with running part (basal part) intersects sometimes
It is set to opening.At this point, according to this structure, after collimator setting to specified position, by it is horizontal walk portion to the party
To mobile 1st rotation supporting portion (top plate and collimator), so as to which collimator is embedded into irradiation mouth.Thus, for example with by
The movements such as staff are compared when collimator can be embedded into irradiation mouth to any direction mobile instrument table on the ground,
Collimator accurately easily can be embedded into irradiation mouth.
Also, in neutron-capture therapy system of the invention, neutron beam is irradiated to irradiated body, the neutron-capture therapy
System has: neutron-capture therapy instrument table described in any one of technical solution 1~4；Preparation room adjusts collimator herein
Positional relationship between irradiated body；Neutron beam is irradiated to irradiated body herein in exposure cell；And the irradiation mouth of neutron beam, if
It is placed in the indoor wall portion of irradiation, neutron-capture therapy can be walked with instrument table between preparation room and exposure cell.
In the present invention, when being configured, collimator is adjusted relative to top plate (irradiated body) by collimator mounting portion
Positional relationship, and top plate and collimator are aligned.Also, when mobile instrument table, by rotating the 1st rotation supporting portion, make
Top plate and collimator rotate together relative to running part, to realize the state of door for not making top plate interference preparation room etc..At this point, by
It is rotated integrally in top plate and collimator, therefore the positional relationship between top plate and collimator does not change.Moreover, movement terminates
Later, by make the 1st rotation supporting portion rotate to setting when position, can accurate recreation setting when state.Therefore, according to
Instrument table can be moved to irradiation while keeping the position relationship between collimator and irradiated body by the present invention
Room.
Also, in neutron-capture therapy system of the invention, or, screen is provided between exposure cell and preparation room
The door for covering the radioactive ray from the inner radiation of exposure cell, for neutron-capture therapy instrument table by when because door open formed
The width of opening is less than the length of the longitudinal direction of top plate.According to the neutron-capture therapy system, even if being treated for neutron capture
Method instrument table by when because door open formed opening width be less than top plate longitudinal direction length, can also protect
Instrument table is moved to exposure cell while holding the position relationship between collimator and irradiated body.
Invention effect
In accordance with the invention it is possible to which the position relationship between collimator and irradiated body can kept by providing one kind
Neutron-capture therapy is moved to neutron-capture therapy instrument table and the neutron-capture therapy system of exposure cell with instrument table simultaneously
System.
Detailed description of the invention
Fig. 1 is the structure for the neutron-capture therapy system for indicating embodiment and the schematic diagram of configuration.
Fig. 2 is to indicate neutron beam generating unit and surrounding figure.
Fig. 3 is the figure for indicating instrument table.
(a) of Fig. 4~(c) is the approximate vertical view for indicating the moving condition of instrument table.
(a) of Fig. 5~(c) is the approximate vertical view for indicating the moving condition of instrument table, and is the subsequent figure of Fig. 4.
Symbol description
1- neutron-capture therapy system, 2- instrument table (neutron-capture therapy instrument table), 3- preparation room, the exposure cell 4-,
14- collimator, the opening of 14a- collimator, 16- irradiate mouth, 30- running part, 31- basal part, 33- it is horizontal walk portion, 41- top plate,
The 1st rotation support mechanism of 47- (the 1st rotation supporting portion), 50- collimator mounting portion, (the 2nd rotation of the 2nd rotation support mechanism of 55-
Supporting part), A- rotary shaft, D-, the length of the longitudinal direction of L- top plate, the opening that M1- is formed by door, N- neutron beam, S-
Patient's (irradiated body), the width for the opening that WD1- is formed by door.
Specific embodiment
Hereinafter, the preferred embodiment of the present invention is described in detail with reference to attached drawing.In addition, to same section in each figure
Or corresponding part marks identical symbol, and omits repeated explanation.Also, set it is a kind of will be from aftermentioned neutron beam generating unit
The injection direction of the 9 neutron beam N projected as X-axis, it is orthogonal to X-axis and along the direction of landing ground F as Y-axis, will hang down with ground F
XYZ axis coordinate system (refer to Fig. 2~Fig. 4) of the straight direction as Z axis, and the coordinate system is suitably used for each constitutive requirements
In the explanation of positional relationship.
Fig. 1 is the perspective view for indicating the structure of neutron-capture therapy system of embodiment, and Fig. 2 is to indicate that neutron beam generates
Portion and surrounding figure.The neutron-capture therapy system 1 of embodiment is to carry out boron neutron-capture therapy (BNCT:Boron
Neutorn Capture Therapy) device.Boron neutron-capture therapy be by injection boron (10B patient) is (illuminated
Body) neutron beam is irradiated to carry out the cure for the treatment of of cancer.
As shown in Figure 1, neutron-capture therapy system 1 have constraint patient and transfer patient for treatment instrument table 2 (in
Son capture therapy instrument table), implement by patient be strapped in instrument table 2 etc. preparation preparation room 3, to patient irradiation in
The exposure cell 4 of beamlet, the contact room 5 being set between preparation room 3 and exposure cell 4 and neutron beam that is adjacent with exposure cell 4 and setting
Generate room 6.It is generated in neutron beam and is provided with the neutron beam generating unit 7 (Fig. 2) for generating neutron beam in room 6.
As shown in Fig. 2, neutron beam generating unit 7 have accelerate charged particle with project the accelerator 8 of charged particle beam P and
The charged particle beam P projected from autoacceleration device 8 generates the neutron beam generating unit 9 of neutron beam N.Accelerator 8 is, for example, to circle round to accelerate
Device accelerates charged particle, and projects charged particle beam P (such as proton beam).
Neutron beam generating unit 9 by charged particle beam scanner section 11, the target T for generating neutron beam N, for by making neutron
Beam N slows down to reduce the decelerating material 12 of the energy of neutron beam N and shield the shield 13 of radioactive ray and be constituted.Charged particle beam is swept
It retouches portion 11 and scans charged particle beam P, and carry out the irradiation control for irradiating charged particle beam P to target T.Target T be for example capable of forming for
The circular plate shape being made of beryllium (Be), but also can be using the target of other shapes or liquid.Photograph of the target T by charged particle beam P
Neutron beam N is generated after penetrating.
A part of decelerating material 12 and shield 13 is set to shielding exposure cell 4 and neutron beam generates mixing between room 6
In solidifying soil barrier shield W.Decelerating material 12, which passes through, makes the neutron beam N projected from target T slow down to reduce the energy of neutron beam N.Subtract
Fast material 12 is for example in the stepped construction that different multiple materials is laminated.Shield 13 shield be not used in treatment neutron beam N, with
The generation of neutron beam N in target T and the secondary radiations such as γ line for generating and with the neutron beam N's in decelerating material 12
The secondary radiations such as the γ line of deceleration and generation emit to external (4 side of exposure cell) to prevent it.
The collimator 14 for providing the range of exposures of neutron beam N irradiation patient S is configured in the front of decelerating material 12.
In neutron beam generating unit 9, charged particle beam P irradiates target T, thus generates neutron beam N.Generated neutron beam N passes through deceleration material
Expect 12 and is decelerated.The neutron beam N projected from decelerating material 12 passes through the patient S on irradiation treatment platform 2 after collimator 14.In
Beamlet N includes fast neutron beam, epithermal neutron beam and thermal beam, and there are also γ lines.Wherein mainly by thermal beam and by patient S
The boron that intracorporal tumour absorbs carries out nuclear reaction, and plays effective therapeutic effect.It is contained in superthermal in the beam of neutron beam N
A part of neutron beam also becomes the epithermal neutron beam for playing above-mentioned therapeutic effect in internal slow down of patient S.
Collimator 14 is, for example, the plate of shape circular in shape.The outer shape of collimator 14 and it is set to aftermentioned irradiation
The inner surface configuration of the irradiation mouth 16 of room 4 is corresponding.It is provided in collimator 14 for regulation range of exposures, for example round
Be open 14a.By making the posture of patient S be maintained at specified position relative to opening 14a, the neutron of opening 14a can will be passed through
Beam N is irradiated to the regulation irradiation target of patient S.In the example, collimator 14 is so that the center by exposure field (is open 14a's
Center) the mode that is located in X-axis of irradiation central axis C configure.
Exposure cell 4 is illustrated with reference to Fig. 1.Exposure cell 4 is to pacify patient S in order to which neutron beam N is irradiated to patient S
Set room indoors.Exposure cell 4 has the shielding space surrounded by concrete barrier shield.Entrance in exposure cell 4 is set
It is equipped with can be opened and closed one D1, D1 on the door.The entrance of exposure cell 4 has size that can be current for instrument table 2.It is more specific and
Speech, the entrance of exposure cell 4 be can for aftermentioned top plate 41 longitudinal direction along Y direction state (state of Fig. 4 (c))
The current size of instrument table 2.Also, in the example, the width of the X-direction of the entrance of exposure cell 4 is less than top plate 41
The length L (Fig. 2) of longitudinal direction.Therefore, in the state that the longitudinal direction of top plate 41 is along X-axis, instrument table 2 can not irradiate
The entrance of room 4 is current.Because in order to save space and ensure the shielding of radioactive ray, preferably as far as possible by the discrepancy of exposure cell 4
Mouth sets small.That is, in the state that one D1, D1 are opened on the door, being formed in the width of the opening M1 between these, (one on the door
D1, D1 opening and closing direction on width) WD1 be less than top plate 41 longitudinal direction length L.In other words, when passing through instrument table 2
The width WD1 of the opening M1 formed due to one D1, D1 are opened on the door is less than the length L of the longitudinal direction of top plate 41.Furthermore it is possible to
By for instrument table 2 by when the width WD1 of opening M1 be set as less than one D1, D1 on the door and open to obtain opening M1 under maximum rating
Width.Also, one on the door D1, D1 be configured to movable, be also configured to only make one of door relative to another
One door is movable.
The surface of 4 side of the exposure cell of shield 13 is provided with cover 15 (wall portion).Cover 15 constitutes the inner wall surface of exposure cell 4
A part.The irradiation mouth 16 as the entrance of neutron beam N is provided on cover 15.Collimator 14 is embedded in irradiation mouth 16.
It irradiates mouth 16 to be open to X-direction, and inner surface circular in shape.
Preparation room 3 has been used to irradiate neutron beam N to patient S in exposure cell 4 and has implemented the room of required work.?
In preparation room 3, such as patient S is strapped in instrument table 2 and adjusts the positional relationship between collimator 14 and patient S.Therefore, quasi-
The size of standby room 3 is to be contained in the size for easily implementing preparation around indoor instrument table 2 for staff.
D2, the D2 on the door that can be opened and closed is provided in the entrance of preparation room 3.The size of the entrance of preparation room 3 for example with irradiation
The port size of room 4 is similar.The entrance of preparation room 3 also with exposure cell 4 again it is preferred to set small as far as possible.That is, on the door one
In the state that D2, D2 are opened, be formed between these opening M2 width (one on the door D2, D2 opening and closing direction on
Width) WD2 be less than top plate 41 longitudinal direction length L.
Also, it is provided in preparation room 3 and is controlled for being arranged under same state when with irradiation neutron beam N in exposure cell 4
Treat the wall portion 17 of platform 2 and collimator 14.Wall portion 17 is provided with the virtual irradiation mouth 18 with irradiation 16 same shape of mouth.It is set
When setting, collimator 14 is embedded in virtually irradiation mouth 18.For using, virtual irradiation mouth 18 carrys out collimation device 14 and patient S is carried out
The method of contraposition carries out aftermentioned.
Contact room 5 is the instrument table 2 for being connected to preparation room 3 and exposure cell 4 and the mobile state in constraint patient S
Room.Contact room 5 has the width that can pass through for instrument table 2.More specifically, the size of contact room 5 be can be for aftermentioned
The longitudinal direction of top plate 41 size current along the instrument table 2 of the state (state of Fig. 4 (c)) of Y direction.Also, the example
In son, the width of the X-direction of contact room 5 is less than the length L of the longitudinal direction of top plate 41.Therefore, in the long side side of top plate 41
To in the state of along X-axis, instrument table 2 can not be made current in contact room 5.Contact room 5 is also with exposure cell 4 again it is preferred to as far as possible
If small.
Also, neutron-capture therapy system 1 is also equipped with for making instrument table 2 walk between preparation room 3 and exposure cell 4
A pair of guide rails 19.Guide rail 19 along X-axis from the inside of preparation room 3 by contact room 5 so that exposure cell 4 inside linearly to set
It sets.
Then, instrument table 2 is illustrated.Fig. 3 is the figure for indicating instrument table 2.As shown in figure 3, instrument table 2 have along
Running part 30, the base portion 40 (the 1st rotating part) with the top plate 41 (mounting portion) for loading patient S and the installation of ground F walking
There is the collimator mounting portion 50 (the 2nd rotating part) of collimator 14.Base portion 40 is set on running part 30, collimator mounting portion 50
It is set in base portion 40.That is, top plate 41 and collimator 14 are set on running part 30.
Running part 30 has along the basal part 31 that landing ground F is moved to Y direction and is configured on basal part 31 and opposite
In basal part 31 to X-direction mobile (horizontal walk) it is horizontal walk portion 33.The shape of the shape of basal part 31 for example in a rectangular parallelepiped shape.Base
Bottom 31 is configured at the lowest part of instrument table 2, and moves on rails 19.As the structure for realizing the movement, in this example embodiment,
Basal part 31 has a pair of of driving portion 32 (Fig. 2).Driving portion 32 is such as the conveyer mechanism by being set in basal part 31
Driving, and according to carrying out the instruction of self-control device along 19 sliding basal part 31 of guide rail.
It is horizontal walk portion 33 shape shape for example in a rectangular parallelepiped shape.As designated by arrows b in fig, it is horizontal walk portion 33 relative to base
Bottom 31 is mobile to X-direction, thus makes base portion 40 and collimator mounting portion 50 relative to basal part 31 to X-direction (base
The moving direction of bottom 31 is the direction orthogonal with Y direction) it is mobile.It is in this example embodiment, horizontal as the mechanism for the movement
Walk portion 33 have be set to its a pair of of mobile mechanism 35 between basal part 31.Mobile mechanism 35 is for example by basal part 31
The guide rail that is set along X-direction, be set to it is horizontal walk portion 33 lower surface and can be slided relative to guide rail and the sliding block that engages
Deng constitute, and according to the instruction for carrying out self-control device make it is horizontal walk portion 33 relative to 31 sliding of basal part.
Base portion 40 has the platform of the top plate 41 of mounting patient S, the pars contractilis 43 of top support plate 41 and bearing pars contractilis 43
Vehicle portion 45.Top plate 41 is formed as tabular, such as the shape of side of longitudinal direction is arc-shaped shape, and remainder is outer
Shape rectangular shaped.When loading the patient S of state of couching (clinostatism) on top plate 41, in the arc-shaped part configuration header.Top
The length of the longitudinal direction of plate 41 is the length (such as 2m or so) that the body of patient S can be made to lie down.Pars contractilis 43 is in Z axis side
It upwardly extends, and can stretch in the Z-axis direction according to the instruction for carrying out self-control device.
The outer shape of the shape in trolley portion 45 for example in a rectangular parallelepiped shape.Trolley portion 45 lower part have wheel 46, from
It is horizontal walk portion 33 dismantle in the state of, can be moved on the F of ground by wheel 46.Also, trolley portion 45 via the 1st can revolve
Turn supporting device (the 1st rotation supporting portion) 47 rotation mode by it is horizontal walk portion 33 support.1st rotation support mechanism 47 is, for example, interior
The rotating mechanism for setting bearing etc. rotates trolley portion 45 (base portion 40) around rotary shaft A according to the instruction for carrying out self-control device.
That is, 47 top support plate 41 of the 1st rotation support mechanism and collimator 14, allow them to rotate together relative to running part 30.It changes
Yan Zhi, 47 top support plate 41 of the 1st rotation support mechanism and collimator 14, enable top plate 41 and this both sides of collimator 14 relative to
Running part 30 rotates integrally.
Collimator mounting portion 50 has the horizontal plate for holding up piece 51 and extend in the horizontal direction extended in the Z-axis direction
53.Removable collimator 14 is installed in the upper end for holding up piece 51.The one end of horizontal plate 53 is continuously to holding up piece 51
Lower end is supported to via the 2nd rotation support mechanism (the 2nd rotation supporting portion) 55 in the other end relative to 45 energy of trolley portion
Enough rotations.In the example, the rotary shaft of the 2nd rotation support mechanism 55 is same with the rotary shaft A of the 1st rotation support mechanism 47
Axis.2nd rotation support mechanism 55 is, for example, the rotating mechanism of built-in bearing etc., makes horizontal plate according to the instruction for carrying out self-control device
53 (collimator mounting portions 50) are rotated around rotary shaft A.That is, collimator mounting portion 50 has bearing collimator 14 can be opposite
In the 2nd rotation support mechanism 55 that top plate 41 rotates, and side of the collimator 14 relative to the position of running part 30 can be adjusted
Formula supports collimator 14.
Then, the treatment process that neutron-capture therapy system 1 is utilized is illustrated.Fig. 4 and Fig. 5 is to indicate to be controlled
The approximate vertical view of the moving condition of instrument table when treatment.Firstly, real to patient S before entering neutron-capture therapy system 1
Apply defined preparation.Then, so that patient S and staff is entered preparation room 3, patient S is made to lie down on top plate 41.And
And the body of patient S is strapped on top plate 41 by staff using crimp.
Later, the positional relationship between the irradiation target and collimator 14 in patient S is adjusted by staff, and to patient
S is aligned with collimator 14.Later, staff to 17 side of wall portion it is mobile it is horizontal walk portion 33, and the virtual irradiation in wall portion 17
Collimator 14 is embedded in mouth 18.As a result, in preparation room 3, to be set with state identical when irradiating neutron beam N in exposure cell 4
Set instrument table 2 and collimator 14.An example for terminating the state of setting in the preparation room 3 is shown in Fig. 4 (a).
More specifically, when carrying out the setting, by the rotation of collimator mounting portion 50 (the 2nd rotation support mechanism 55),
Positional relationship of the collimator 14 relative to top plate 41 is adjusted, and carries out the contraposition between collimator 14 and patient S.Also, pass through
The rotation of base portion 40 (the 1st rotation support mechanism 47) makes base portion 40 and collimator mounting portion 50 this both sides relative to walking
Portion 30 rotates integrally, and positions the center of collimator 14 in X-axis.Moreover, it is horizontal walk portion 33 it is mobile to 17 side of wall portion, and in void
Collimator 14 is embedded in quasi- irradiation mouth 18.In addition, the rotation of above-mentioned base portion 40 and the rotation of collimator mounting portion 50 can be same
When implement, can also first implement one of rotation.Also, when being configured, pass through the flexible adjustment top plate of pars contractilis 43
41 with the positional relationship of collimator 14 in the Z-axis direction.
Then, instrument table 2 is mobile to exposure cell 4.Firstly, as shown in Fig. 4 (b), it is horizontal walk portion 33 to one far from wall portion 17
Side is mobile, and collimator 14 is detached from from virtual irradiation mouth 18.Then, as shown in Fig. 4 (c), base portion 40 is rotated, and becoming makes
The longitudinal direction of top plate 41 along Y direction state.In this state, basal part 31 is mobile to Y direction, instrument table 2 from
Preparation room 3 is moved to exposure cell 4 (Fig. 5 (a)) by contact room 5.At this point, the longitudinal direction of top plate 41 becomes along Y direction
State, therefore the entrance (door D2) of preparation room 3 and the entrance (door D1) of exposure cell 4 will not make top plate 41 interfere contact room
5 interior wall.Also, when base portion 40 rotates, since base portion 40 and collimator mounting portion 50 rotate integrally, top plate 41
Positional relationship between collimator 14 will not change from state when being configured.
Then, prepare in the irradiation that exposure cell 4 carries out neutron beam N.Firstly, base portion 40 rotates extremely as shown in Fig. 5 (b)
The position of (Fig. 4 (a)) when setting.At this moment, base portion 40 is also rotated integrally with collimator mounting portion 50, therefore top plate 41 and standard
Variation will not takes place from state when setting in positional relationship between straight device 14.Then, as shown in Fig. 5 (c), it is horizontal walk portion 33
It is mobile to 17 side of wall portion, collimator 14 is embedded in irradiation mouth 16.State when setting, and collimator are accurately reappeared as a result,
14 and patient S is configured with defined positional relationship.Later, start to irradiate neutron beam N to patient S.
As described above, it in the instrument table 2 of present embodiment, when being configured, is adjusted by collimator mounting portion 50
Positional relationship of the collimator 14 relative to top plate 41 (patient S), and top plate 41 and collimator 14 are aligned.Also, it is moving
When dynamic instrument table 2, by rotating the 1st rotation support mechanism 47, revolve top plate 41 and collimator 14 together relative to running part 30
Turn, and is set as not making the state of door of the interference preparation room 3 of top plate 41 etc..At this point, since top plate 41 and collimator 14 rotate integrally,
Therefore the positional relationship between top plate 41 and collimator 14 does not change.Moreover, after movement terminates, by making the 1st rotation
The rotation of supporting device 47 can accurately reappear state when setting to position when being arranged.It therefore, can according to instrument table 2
Instrument table 2 is moved to exposure cell 4 while keeping the position relationship between collimator 14 and patient S.
Also, such as sometimes through making the head of patient S directly contact collimator 14 or make patient S's across some gaps
Head aligns patient S and collimator 14 close to collimator 14.This is because if the head of patient S and collimator 14
Between gap it is larger, then neutron beam can cause illumination efficiency to decline from the clearance leakage.In this way, if in patient S and collimation
Device 14 is in the state of, if as existing neutron-capture therapy system is to be fixed on instrument table 2 for collimator 14
Base portion (running part 30) state make top plate 41 relative to base portion rotate, then sometimes result in the patient S on top plate 41
Head make while rubbing between collimator 14 top plate 41 rotate.At this point, the posture for being likely to result in patient S occurs
Variation, thus it is for example possible to the neck of patient S be caused to be slightly inclined and change the direction on head.If the posture of patient S changes,
It, also can not be by the position between patient S and collimator 14 even if instrument table 2 is then moved to the rotating top plate 41 later of exposure cell 4
Relationship is restored to positional relationship when setting.
On the aspect, in the instrument table 2 of present embodiment, due to passing through the 1st rotation support mechanism in mobile instrument table 2
47 rotate top plate 41 and collimator 14 together relative to running part 30, therefore the positional relationship between top plate 41 and collimator 14
It does not change.Therefore, it is able to suppress such as the above-mentioned head for making patient S and to rub between collimator 14 and the posture of patient S
It changes.
Also, in the instrument table 2 of present embodiment, collimator mounting portion 50 has bearing collimator 14 can be opposite
In the 2nd rotation support mechanism 55 that top plate 41 rotates.Thereby, it is possible to adjust standard by collimator mounting portion 50 by simple structure
Straight position of the device 14 relative to top plate 41.
Also, in the instrument table 2 of present embodiment, the rotary shaft and the 2nd rotation support mechanism of the 1st rotation support mechanism 47
55 rotary shaft is located on the same line, even if in rotating the 1st rotation support mechanism 47 and the 2nd rotation support mechanism 55
In the case where any one rotation support mechanism, move collimator mounting portion 50 on the same circumference, therefore being easy will collimation
The position of device 14 and posture are aligned with irradiation mouth 16.
Also, in the instrument table 2 of present embodiment, by collimator 14 be arranged after specified position, by it is horizontal walk portion 33
To mobile 1st rotation support mechanism 47 of X-direction, so as to which collimator 14 is embedded into irradiation mouth 16.Therefore, and for example
Collimator 14 can be embedded into irradiation mouth 16 to any direction mobile instrument table on the F of ground by movements such as staff
When compare, can easily accurately by collimator 14 be embedded into irradiation mouth 16 in.
More than, the preferred embodiment of the present invention is illustrated, but the present invention is not limited to above embodiment,
It can be deformed, or be applied in other embodiments in the range of not changing purport documented by each claim.
For example, support plinth portion 40 can be rotated relative to running part 30 and be supported quasi- in above embodiment
The example that straight device mounting portion 50 can be rotated relative to base portion 40 is illustrated but it is also possible to be bearing collimator peace
Dress portion 50 can be rotated relative to running part 30, and support plinth portion 40 can be revolved relative to collimator mounting portion 50
Turn.Also, in above embodiment, the rotary shaft of rotary shaft and the 2nd rotation support mechanism 55 to the 1st rotation support mechanism 47
The example being located on the same line is illustrated, but the rotary shaft of the 1st rotation support mechanism 47 and the 2nd rotation support mechanism
55 rotary shaft can not also be located on the same line.
Also, in above embodiment, to the cross for keeping base portion 40 and collimator mounting portion 50 mobile to X-direction
The example for walking portion 33 is illustrated, however, you can also not with it is horizontal walk portion 33.As long as at this point, making to control by other mobile mechanisms
Treat platform 2 it is horizontal walk.Also, control loophole 16 be open in the X-axis direction, and it is horizontal walk portion 33 make the 1st rotation support mechanism 47 to X
The mobile example of axis direction is illustrated, but when irradiation mouth 16 is for example open to the direction intersected with Y direction, Ke Yixiang
The direction is mobile.Also, in above embodiment, about top plate 41, it is with shape to load the clinostatism of the patient S of state of couching
The seat shape of the patient S but it is also possible to be mounting sitting posture state is illustrated in example.
Also, in above embodiment, collimator mounting portion 50 can adjust collimator by the 2nd rotation support mechanism 55
14 position relative to top plate 41, but it is not limited to this.For example, collimator mounting portion 50, which also can have, is able to carry out 3 dimension positions
The multi-joint arm of adjusting is set, and is also possible to that position of the collimator 14 relative to top plate 41 can be adjusted by the multi-joint arm.
The multi-joint arm for example can be such that its base end part is fixed on base portion 40, and be equipped with collimator 14 in its front end, lead to
Front end is crossed relative to base end part movement to adjust position of the collimator 14 relative to top plate 41.
Also, in above embodiment, the entrance in exposure cell 4 is provided with a D1 and sets in the entrance of preparation room 3
It is equipped with a D2, but as long as the door D1 of setting 4 side of exposure cell, also can be omitted the door D2 of 3 side of preparation room.
Claims (6)
1. a kind of neutron-capture therapy instrument table, the load when carrying out for neutron beam being irradiated to the neutron-capture therapy of irradiated body
The irradiated body is set, which has with instrument table:
Running part, along ground running；
Top plate is set on the running part, and loads the irradiated body；
Collimator is set on the running part, and is equipped with the opening for providing the range of exposures of the neutron beam；
Collimator mounting portion, position of the collimator relative to the top plate can be adjusted around the direction vertical with the ground
The mode set supports the collimator；And
1st rotation supporting portion supports the top plate and the collimator, allows them to revolve together relative to the running part
Turn.
2. neutron-capture therapy instrument table according to claim 1, wherein
There is the collimator mounting portion bearing collimator can rotationally support relative to the 2nd of top plate rotation
Portion.
3. neutron-capture therapy instrument table according to claim 2, wherein
The rotary shaft of the rotary shaft and the 2nd rotation supporting portion of 1st rotation supporting portion is located on the same line.
4. neutron-capture therapy instrument table according to any one of claim 1 to 3, wherein
The running part has the basal part along the ground moving and makes the 1st rotation supporting portion relative to the substrate
Direction that portion intersects to the moving direction with the basal part it is mobile it is horizontal walk portion.
5. a kind of neutron-capture therapy system, is irradiated to irradiated body for neutron beam, which has:
Neutron-capture therapy instrument table according to any one of claims 1 to 4；
Preparation room adjusts the positional relationship between the collimator and the irradiated body herein；
The neutron beam is irradiated to the irradiated body herein in exposure cell；And
The irradiation mouth of the neutron beam is set to the indoor wall portion of irradiation,
The neutron-capture therapy can be walked with instrument table between the preparation room and the exposure cell.
6. neutron-capture therapy system according to claim 5, wherein
The door for shielding the radioactive ray from the inner radiation of the exposure cell is provided between the exposure cell and the preparation room,
For neutron-capture therapy instrument table by when be less than the top plate because of the width that the door opens the opening formed
The length of longitudinal direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014218565 | 2014-10-27 | ||
| JP2014-218565 | 2014-10-27 |
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| CN201510686326.9A Active CN105536152B (en) | 2014-10-27 | 2015-10-21 | Neutron-capture therapy instrument table and neutron-capture therapy system |
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| JP (1) | JP6449127B2 (en) |
| CN (1) | CN105536152B (en) |
| TW (1) | TWI558435B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 clinical therapy of tumor equipment and its application method |
| CN110496321B (en) * | 2018-05-18 | 2024-04-19 | 中硼(厦门)医疗器械有限公司 | Neutron capture treatment system and carrying table |
| 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 travel device and neutron capture therapy facility |
| TWI712436B (en) * | 2019-05-07 | 2020-12-11 | 禾榮科技股份有限公司 | Neutron beam generating device |
| WO2023190522A1 (en) * | 2022-03-31 | 2023-10-05 | 住友重機械工業株式会社 | Neutron capture therapy device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA2104256A1 (en) * | 1992-08-21 | 1994-02-22 | Mark P. Carol | Method and apparatus for conformal radiation therapy |
| CN1960780B (en) * | 2003-08-12 | 2010-11-17 | 洛马林达大学医学中心 | Modular patient support system |
| CN100540088C (en) * | 2003-12-31 | 2009-09-16 | 深圳市尊瑞科技有限公司 | Radiation device of radiation treatment and method of radiating thereof |
| 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 |
| JP5940471B2 (en) * | 2013-02-27 | 2016-06-29 | 住友重機械工業株式会社 | Neutron capture therapy system |
| 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
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- 2015-10-14 TW TW104133696A patent/TWI558435B/en active
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| TW201617108A (en) | 2016-05-16 |
| TWI558435B (en) | 2016-11-21 |
| CN105536152A (en) | 2016-05-04 |
| JP2016083351A (en) | 2016-05-19 |
| JP6449127B2 (en) | 2019-01-09 |
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