CN208785609U - Deceleration filter device and neutron radiation therapy system - Google Patents
Deceleration filter device and neutron radiation therapy system Download PDFInfo
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- CN208785609U CN208785609U CN201721599508.3U CN201721599508U CN208785609U CN 208785609 U CN208785609 U CN 208785609U CN 201721599508 U CN201721599508 U CN 201721599508U CN 208785609 U CN208785609 U CN 208785609U
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- filter device
- bearing box
- deceleration
- neutron
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Abstract
The utility model provides a kind of deceleration filter device and neutron radiation therapy system, is related to the field of medical instrument technology, to solve the problems, such as inconvenient to set neutron degradation effect according to the needs for the patient for treating different lesion depth.The deceleration filter device includes: bearing box and multiple reduction for reducing neutron flux, bearing box is set between reactor core and irradiation mouth, opening is provided at the top of bearing box, multiple placement positions are provided in bearing box, multiple reduction are sequentially placed in placement position, it is provided with lifting lug in reduction, is provided with handle on bearing box.The deceleration filter device is applied to neutron radiation therapy system, the slowing effect of deceleration filter device can be changed by the quantity or material for changing reduction, to changing the accessibility depth of neutron beam, thus in same therapeutic room achievable a variety of lesion depth treatment.
Description
Technical field
The utility model relates to the field of medical instrument technology, control more particularly, to a kind of deceleration filter device and neutron radiation
Treatment system.
Background technique
Existing neutron radiation therapy system be use proton precessional magnetometer irradiation target piece generate neutron be used as neutron source or
Person is using nuclear reactor as neutron source, and from the center that neutron source projects, alignment patient's lesions position carries out radiotherapy.
Accelerator is usually linear accelerator in this system, and the outlet of accelerator is located in therapeutic room, for patient
Carry out radiotherapy.Since for different lesion depth, the energy of required neutron beam is different, for example, swollen for cortex
Tumor irradiation needs thermal beam, needs epithermal neutron beam for the irradiation of human body deep tumor.Therefore, deep in order to treat different lesions
The patient of degree needs to open up multiple therapeutic rooms, and the opening that can project corresponding neutron beam is opened up in different therapeutic rooms.
Existing neutron radiation therapy system has the following deficiencies: the inconvenient need according to the patient for treating different lesion depth
To set neutron degradation effect.
Utility model content
The purpose of this utility model is to provide a kind of deceleration filter devices, to solve inconvenient root existing in the prior art
According to the needs for the patient for treating different lesion depth come the technical issues of setting neutron degradation effect.
Deceleration filter device provided by the utility model, comprising: bearing box and multiple decelerations for reducing neutron flux
Part, the bearing box are set between reactor core and irradiation mouth, opening are provided at the top of the bearing box, is set in the bearing box
It is equipped with multiple placement positions, multiple reduction are sequentially placed in being provided with lifting lug on the placement position, the reduction, described
Handle is provided on bearing box.
Further, the reduction includes position-limited rack and deceleration block, and the deceleration block is described for reducing neutron energy
Deceleration block is placed in the position-limited rack, and the lifting lug is set on the position-limited rack.
Further, the bottom of the bearing box includes multiple spaced fixed plates, is provided in the fixed plate
The bottom section of the bearing box is divided into multiple placement positions by limited block, the limited block.
Further, the bearing box is provided with fixture block, and the bottom of the reduction is provided with and fixture block cooperation
Bayonet.
Further, the side of the position-limited rack is provided with feed inlet, and the two sides of the feed inlet are respectively arranged with hook,
The both ends of baffle are located in the hook.
Further, the lifting lug is installed on the top of the position-limited rack.
Further, the reduction is made of graphite or aluminium.
Further, the position-limited rack is made with the reduction of material of the same race.
Compared with the existing technology, deceleration filter device described in the utility model has the advantage that
Deceleration filter device described in the utility model is applied in neutron radiation therapy system, is located at reactor core and irradiation mouth
Between, the neutron that reactor core generates is projected via after the decelerating effect of deceleration filter device by irradiation mouth, thus to treatment is located at
Indoor patient treats.When the material difference used in the reduction, slowing effect is different.Due to provided by the present application
In deceleration filter device, reduction is placed in bearing box, and the top of bearing box has opening, therefore, can by reduction from
The opening of bearing box is taken out, and reduction made of different materials is put into bearing box, passes through what is placed in change bearing box
The material of reduction changes deceleration filter device for the decelerating effect of neutron, to change the flux of neutron, is penetrated with changing
The treatment depth of neutron beam out.Due to being provided with lifting lug in reduction, convenient for taking out reduction, due to being provided on bearing box
Handle, therefore convenient for the bearing box for placing reduction to be placed between reactor core and irradiation mouth, and it is convenient for the later period by bearing box
It takes out to carry out attended operation.
Compared with neutron radiation therapy system in the prior art, using there is deceleration filter device provided by the utility model
Neutron radiation therapy system, by integrally putting forward bearing box and all reduction can be replaced, or will hold
The part reduction carried in case carries out reduction made of replacement other materials from the taking-up of the opening of bearing box, changes to reach
Become the effect of neutron beam treatment depth.It is designed in this way, it is by replacing the reduction of different materials, i.e., changeable via same irradiation
The treatment depth for the neutron beam that mouth projects, to meet the needs of the patient of different lesion depth.It multiple is controlled in addition, no setting is required
The treatment of different depth lesion can be completed in a therapeutic room by treating room.
The another object of the utility model is to propose a kind of neutron radiation therapy system, to solve to exist in the prior art
It is inconvenient according to the needs for the patient for treating different lesion depth come the technical issues of setting neutron degradation effect.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of neutron radiation therapy system, comprising: reactor core, exposure hole, the exposure hole are set far from the side of reactor core
It is equipped with irradiation mouth, is provided with deceleration filter device as described in the above technical scheme between the reactor core and the irradiation mouth.
Further, further include boom hoisting, sliding rail is provided on the boom hoisting, is provided on the sliding rail multiple
Suspension hook is provided with lock piece on the suspension hook.
Possessed advantage is identical compared with the existing technology with above-mentioned deceleration filter device for the neutron radiation therapy system,
Details are not described herein.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the signal that deceleration filter device provided by the embodiment of the utility model is applied to neutron radiation therapy system
Figure;
Fig. 2 is the structural schematic diagram of deceleration filter device provided by the embodiment of the utility model;
Fig. 3 is the structural schematic diagram one of bearing box in deceleration filter device provided by the embodiment of the utility model;
Fig. 4 is the structural schematic diagram two of bearing box in deceleration filter device provided by the embodiment of the utility model;
Fig. 5 is the structural schematic diagram three of bearing box in deceleration filter device provided by the embodiment of the utility model;
Fig. 6 is the structural representation that reduction is in the first visual angle in deceleration filter device provided by the embodiment of the utility model
Figure;
Fig. 7 is the structural representation that reduction is in the second visual angle in deceleration filter device provided by the embodiment of the utility model
Figure.
In figure: 10- bearing box;11- handle;12- places position;13- fixed plate;14- fixture block;15- limited block;20- slows down
Part;21- lifting lug;22- deceleration block;23- position-limited rack;31- hook;32- baffle;41- reactor core;The exposure hole 42-;43- irradiates mouth.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in Figs 1-4, deceleration filter device provided by the embodiment of the utility model, comprising: bearing box 10 and multiple use
In the reduction 20 for reducing neutron flux, bearing box 10 is set between reactor core 41 and irradiation mouth 43, and the top of bearing box 10 is set
It is equipped with opening, multiple placement positions 12 are provided in bearing box 10, multiple reduction 20 are sequentially placed in placement position 12, reduction 20
On be provided with lifting lug 21, handle 11 is provided on bearing box 10.Further, reduction 20 can be by being made of graphite or aluminium.
In use, reduction 20 is according to being centainly arranged sequentially in bearing box 10, the material of reduction 20 and row
Column mode generates certain influence for slowing effect, for example, 20 number of rows of reduction is got over along reactor core 41 to the direction of irradiation mouth 43
More, the overall thickness that neutron reaches the reduction 20 needed guiding through before irradiation mouth 43 is bigger, and the slowing effect of neutron is more obvious;
The slowing effect of reduction 20 made of different materials is not also identical.Therefore, the arrangement side of change reduction 20 can be passed through
Formula, or all or part of reduction 20 in bearing box 10 is substituted for reduction 20 made of another material to reach
Change the effect of neutron speed, to change neutron flux, to change the effect of the treatment depth of the neutron projected from irradiation mouth 43
Fruit.
When the deceleration filter device of the utility model embodiment is applied in neutron radiation therapy system, it is placed in reactor core 41
Between irradiation mouth 43, the neutron that reactor core 41 generates is projected via after the decelerating effect of deceleration filter device by irradiation mouth 43,
To be treated to the patient being located in therapeutic room.When the material difference used in the reduction 20, slowing effect is different.By
In in deceleration filter device provided by the present application, reduction 20 is placed in bearing box 10, and the top of bearing box 10 has
Therefore reduction 20 can be taken out from the opening of bearing box 10, reduction 20 made of different materials is put into carrying by opening
In case 10, change deceleration of the deceleration filter device for neutron by changing the material for the reduction 20 placed in bearing box 10
Effect, to change the flux of neutron, to change the treatment depth of the neutron beam projected.Due to being provided with lifting lug in reduction 20
21, convenient for taking out reduction 20, due to being provided with handle 11 on bearing box 10, convenient for the carrying of reduction 20 will be placed
Case 10 is placed between reactor core 41 and irradiation mouth 43, and takes out bearing box 10 to carry out attended operation convenient for the later period.
Compared with neutron radiation therapy system in the prior art, using there is provided by the embodiment of the utility model slowed down
The neutron radiation therapy system of device is filtered, by putting forward 10 entirety of bearing box and can be carried out all reduction 20 more
It changes, or the part reduction 20 in bearing box 10 is carried out made of replacement other materials from the taking-up of the opening of bearing box 10
Reduction 20, to achieve the effect that change neutron beam treatment depth.It is designed in this way, by the reduction for replacing different materials
20, i.e., the treatment depth of the changeable neutron beam projected via same irradiation mouth 43, to meet the patient of different lesion depth
Needs.The treatment for different depth lesion that multiple therapeutic rooms can complete in a therapeutic room in addition, no setting is required.
Reduction 20 can be overall structure, be that lifting lug 21 is arranged on block-shaped body, can make template for reduction 20,
Mutually isostructural reduction 20 is made using unlike material in identical template.
Alternatively, in a preferred embodiment, reduction 20 includes position-limited rack 23 and deceleration block 22, deceleration block 22 is used for
Neutron energy is reduced, deceleration block 22 is placed in position-limited rack 23, and lifting lug 21 is set on position-limited rack 23.It is designed in this way, deceleration block
22 individually produce with position-limited rack 23, and 23 quantity of position-limited rack can be less than deceleration block 22 will subtract when changing the treatment depth of neutron beam
Fast part 20 takes out, and need to only use original position-limited rack 23, the deceleration block 22 being placed in position-limited rack 23 originally is changed to different materials
Deceleration block 22 made of matter.For one side, lifting lug 21 is set on position-limited rack 23, therefore deceleration block 22 can be set to
Regular cubic shaped, high production efficiency, replaceability are strong;On the other hand, meet identical replacement demand, it is required
The quantity of the position-limited rack 23 of manufacture is less, more saves production 23 material requested of position-limited rack, reduces cost.
The bottom of bearing box 10 can be complete tabular, and side plate is arranged in the edge of bottom plate, so that cabinet is formed,
In order to be limited to reduction 20, prevents 20 opposite case of reduction in moving process mobile, limit is set on bottom plate
Structure.As shown in figure 3, position limiting structure may include multiple limited blocks 15, multiple limited blocks 15 divide the bottom section of bearing box 10
Multiple placement positions 12 are divided into, each placement position 12, when reduction 20, which is located at, places position 12, subtracts for placing a reduction 20
The side bottom of fast part 20 is contacted with limited block 15.
Alternatively, multiple fixture blocks 14 are arranged on bottom plate, bayonet is set in the bottom of reduction 20, is put when reduction 20 is located at
When set 12, fixture block 14 is protruded into bayonet, to play the role of limit to reduction 20.
In order to mitigate the weight of bearing box 10, as shown in figure 5, in a kind of preferred embodiment of the present embodiment, carrying
The bottom of case 10 includes multiple spaced fixed plates 13, and position limiting structure is provided in fixed plate 13, and position limiting structure can be
The structures such as limited block 15 or fixture block 14, when position limiting structure is limited block 15, limited block 15 is by the bottom section of bearing box 10
It is divided into multiple placement positions 12;When position limiting structure is fixture block 14, the bottom of reduction 20 is provided with the card cooperated with fixture block 14
Mouthful.
As shown in figure 5, the bottom plate of bearing box 10 includes multiple spaced fixed plates 13, setting is spaced in fixed plate 13
There are multiple fixture blocks 14, each fixture block 14 is for fixing a reduction 20.
There are many structure types of position-limited rack 23, for example, the opening of position-limited rack 23 can work as limit at side or top
When the opening of frame 23 is located at top, lifting lug 21 is respectively set in the two sides of opening, balance when keeping mobile;When position-limited rack 23
Opening when being set to side, lifting lug 21 can for one and be set to position-limited rack 23 top surface central region.
When the opening of position-limited rack 23 is located at side, reduction 20 is shaken in moving process in order to prevent, such as Fig. 6
With shown in Fig. 7, in a kind of specific embodiment of the present embodiment, the side of position-limited rack 23 is provided with feed inlet, feed inlet
Two sides are respectively arranged with hook 31, and the both ends of baffle 32 are located in hook 31.In position-limited rack 23 as shown in Figure 7, hook 31
Opening up, baffle 32 is put into from top to bottom in hook 31, to prevent reduction 20 from dropping out from opening;When needing replacing
When reduction 20, baffle 32 is lifted up to take out, so that opening is completely exposed, reduction 20 is taken out.
Further, in a kind of specific embodiment of the present embodiment, position-limited rack 23 and reduction 20 are by material of the same race
It is made.
As shown in Figure 1, the utility model embodiment also proposes a kind of neutron radiation therapy system simultaneously, comprising: reactor core 41,
Exposure hole 42, exposure hole 42 are provided with irradiation mouth 43 far from the side of reactor core 41, are arranged between reactor core 41 and irradiation mouth 43
Just like deceleration filter device provided by the above embodiment.
Possessed advantage is identical compared with the existing technology with above-mentioned deceleration filter device for neutron radiation therapy system, herein
It repeats no more.
Further, for the ease of deceleration filter device is whole or part reduction 20 therein is taken out, neutron is put
Penetrating treatment system further includes boom hoisting, is provided with suspension hook on boom hoisting, and suspension hook is caught on the handle 11 on bearing box 10, with
By the whole taking-up of bearing box 10, alternatively, suspension hook to be caught on to the lifting lug 21 of reduction 20, reduction 20 is taken from bearing box 10
Out.
And the position of boom hoisting hook to be conveniently adjusted, a kind of excellent convenient for slinging multiple reduction 20 simultaneously
It selects in embodiment, sliding rail is provided on boom hoisting, multiple suspension hooks are provided on sliding rail, are provided with lock piece on suspension hook.Such as
This setting, suspension hook can be moved along sliding rail to change the spacing between adjacent suspension hook, thus with the required reduction 20 sling
The position of lifting lug 21 is adjusted, and after being adjusted to suitable position, is fixed suspension hook and sliding rail using lock piece.Lock piece can be
The structures such as bolt, buckle, bolt.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of deceleration filter device characterized by comprising bearing box and multiple reduction for reducing neutron flux,
The bearing box is set between reactor core and irradiation mouth, and opening, setting in the bearing box are provided at the top of the bearing box
There are multiple placement positions, multiple reduction are sequentially placed in being provided with lifting lug on the placement position, the reduction, described to hold
It carries and is provided with handle on case.
2. deceleration filter device according to claim 1, which is characterized in that the reduction includes position-limited rack and deceleration
Block, the deceleration block are placed in the position-limited rack for reducing neutron energy, the deceleration block, and the lifting lug is set to described
On position-limited rack.
3. deceleration filter device according to claim 1, which is characterized in that the bottom of the bearing box includes multiple intervals
The fixed plate of setting is provided with limited block in the fixed plate, and the bottom section of the bearing box is divided by the limited block
Multiple placement positions.
4. deceleration filter device according to claim 1-3, which is characterized in that the bearing box is provided with card
Block, the bottom of the reduction are provided with the bayonet with fixture block cooperation.
5. deceleration filter device according to claim 2, which is characterized in that the side of the position-limited rack is provided with charging
Mouthful, the two sides of the feed inlet are respectively arranged with hook, and the both ends of baffle are located in the hook.
6. deceleration filter device according to claim 5, which is characterized in that the lifting lug is installed on the top of the position-limited rack
Portion.
7. deceleration filter device according to claim 1, which is characterized in that the reduction is made of graphite or aluminium.
8. deceleration filter device according to claim 2, which is characterized in that the position-limited rack is with the reduction by of the same race
Material is made.
9. a kind of neutron radiation therapy system characterized by comprising reactor core, exposure hole, the exposure hole is far from reactor core
Side be provided with irradiation mouth, be arranged between the reactor core and the irradiation mouth and described in any item just like claim 1-8 subtract
Fast filter device.
10. neutron radiation therapy system according to claim 9, which is characterized in that it further include boom hoisting, the lifting
It is provided with sliding rail on device, multiple suspension hooks are provided on the sliding rail, are provided with lock piece on the suspension hook.
Priority Applications (1)
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CN201721599508.3U CN208785609U (en) | 2017-11-24 | 2017-11-24 | Deceleration filter device and neutron radiation therapy system |
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CN201721599508.3U CN208785609U (en) | 2017-11-24 | 2017-11-24 | Deceleration filter device and neutron radiation therapy system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107802968A (en) * | 2017-11-24 | 2018-03-16 | 北京新核医疗科技有限公司 | Deceleration filter and neutron radiation therapy system |
CN107802968B (en) * | 2017-11-24 | 2024-05-10 | 北京新核核工程科技有限公司 | Deceleration filtering device and neutron radiation therapy system |
-
2017
- 2017-11-24 CN CN201721599508.3U patent/CN208785609U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107802968A (en) * | 2017-11-24 | 2018-03-16 | 北京新核医疗科技有限公司 | Deceleration filter and neutron radiation therapy system |
CN107802968B (en) * | 2017-11-24 | 2024-05-10 | 北京新核核工程科技有限公司 | Deceleration filtering device and neutron radiation therapy system |
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Address after: 101400 3rd floor, 13 Yanqi street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: Beijing Xinhe Nuclear Engineering Technology Co.,Ltd. Address before: 1119-211, 11th Floor, No. 18 Zhongguancun Street, Haidian District, Beijing, 100000 Patentee before: BEIJING XINHE MEDICAL TECHNOLOGY CO.,LTD. |
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