CN109681578A - Balance weight assembly - Google Patents
Balance weight assembly Download PDFInfo
- Publication number
- CN109681578A CN109681578A CN201811641261.6A CN201811641261A CN109681578A CN 109681578 A CN109681578 A CN 109681578A CN 201811641261 A CN201811641261 A CN 201811641261A CN 109681578 A CN109681578 A CN 109681578A
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- CN
- China
- Prior art keywords
- balance weight
- weight assembly
- fill block
- assembly according
- accelerator head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000002184 metal Substances 0.000 claims description 36
- 229910052751 metal Inorganic materials 0.000 claims description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 229920002635 polyurethane Polymers 0.000 claims description 16
- 239000004814 polyurethane Substances 0.000 claims description 16
- 150000002466 imines Chemical class 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000002041 carbon nanotube Substances 0.000 claims description 8
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 8
- 229910021389 graphene Inorganic materials 0.000 claims description 7
- 229920003055 poly(ester-imide) Polymers 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 4
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 3
- 238000001959 radiotherapy Methods 0.000 abstract description 17
- 230000003439 radiotherapeutic effect Effects 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000001225 therapeutic effect Effects 0.000 description 6
- 206010028980 Neoplasm Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000004836 Glue Stick Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000000191 radiation effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000003471 anti-radiation Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Acoustics & Sound (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The present invention provides a kind of balance weight assemblies, for radiotheraphy device, the radiotheraphy device includes accelerator head and accelerator head carrier, the accelerator head is located on the accelerator head carrier, the balance weight assembly includes connector and weight body, described connector one end is connected to the accelerator head carrier, and the other end is connected to the weight body.Balance weight assembly of the invention can solve discontinuity equalization problem of the radiotheraphy device in rotation, beat, improves the precision of radiotherapy, increases radiotherapeutic effect.
Description
Technical field
The present invention relates to radiotheraphy device technical fields, in particular to a kind of balance weight assembly.
Background technique
Malignant tumour is one of the chief threat that current mankind health faces, and the trend risen year by year is presented.Radiation
The treatment to tumour is realized in treatment by high-energy radiation irradiation.Since high-energy ray can not only kill tumour cell, while
Normal histocyte can be caused to damage, so accuracy is the key factor of radiotherapy technology.
Existing radiotheraphy device, at work, usually by radioactive source, i.e. accelerator head is placed on a door frame, passes through
The drive of door frame, accelerator head can be rotated and carry out certain angle beat etc., so as to adjust position, be realized
Accurate radiotherapy to patient tumors part.
But since accelerator head functional structure requires so its quality is very heavy, be mounted on door frame rotated, beat
When will lead to adjustment device discontinuity equalization, equipment operation stationarity is influenced, to influence radiotherapeutic effect etc. indirectly.
Summary of the invention
In consideration of it, the invention proposes a kind of balance weight assemblies, it is intended to solve the problems, such as existing.
The invention proposes a kind of balance weight assemblies, are used for radiotheraphy device, and the radiotheraphy device includes accelerator head carrying
Frame, the accelerator head are located on the accelerator head carrier, and the balance weight assembly includes connector and weight body, institute
It states connector one end and connects the accelerator head carrier, the other end connects the weight body.
Further, above-mentioned weight body includes shell and several fill blocks, is had one or more receiving cavities in the shell；
The fill block filling is fixed in the accommodating cavity.
Further, above-mentioned fill block is metal block, and insulated from each other between the fill block.
Further, above-mentioned fill block is equal in magnitude, and is arranged in array and is filled in one or more of accommodating cavities.
Further, above-mentioned fill block is cuboid fill block, and rectangular array arrangement is filled in one or more of appearances
It sets intracavitary.
Further, above-mentioned fill block is metal cuboid fill block, and cross section maximal side≤20mm.
Further, above-mentioned fill block is formed by stacking by several rectangle sheet metals, and the sheet metal surface is equipped with insulation
Layer.
Further, above-mentioned sheet metal be silicon steel sheet or amorphous alloy film, and the sheet metal with a thickness of 0.2-
0.5mm, width 8-20mm, length 8-20mm.
Further, above-mentioned insulating layer is polyurethane imines coating.
Further, above-mentioned polyurethane imines coating is by 60-90wt% polyurethane, 8-35wt% polyester-imide and 0.5-
The carbon nanotube and/or graphene mixture of 8wt% is constituted.
Balance weight assembly provided by the invention can solve unbalance stress of the accelerator head with bracket in rotation, beat
Weighing apparatus problem improves the precision of radiotherapy, increases radiotherapeutic effect；Further, using metal weight gain block, extra penetrate can also be absorbed
Line, to reduce the shielding cost of therapeutic room.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of balance weight assembly provided in an embodiment of the present invention；
Fig. 2 is the radiotherapy apparatus schematic diagram of the image guidance provided in an embodiment of the present invention with balance weight assembly；
Fig. 3 is that balance weight assembly provided in an embodiment of the present invention absorbs radiation effect schematic diagram one；
Fig. 4 is that balance weight assembly provided in an embodiment of the present invention absorbs radiation effect schematic diagram two；
Fig. 5 is the structural schematic diagram one of weight body provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram two of weight body provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the weight body fill block in Fig. 5 and Fig. 6；
Fig. 8 is the radiotherapy apparatus schematic diagram of the another image guidance with balance weight assembly provided in an embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.It should be noted that in the absence of conflict, embodiment in the present invention and
Feature in embodiment can be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to Fig. 1-7, a radiotheraphy device includes accelerator head carrier 3, and accelerator head 1 is located at the accelerator machine
On head carrier 3, balance weight assembly provided in an embodiment of the present invention includes connector 2 and weight body 4, and the connection of connector one end accelerates
Device head carrier 3, the other end connect weight body 4.
Accelerator head 1 and head beat driving positioning device 9 are additionally provided on head carrier 3, in accelerator head 1
Portion carries out radiotherapy to tumour equipped with emission source and multi-blade collimator (MLC), for divergent-ray；The driving of head beat is fixed
Position device 9 is located at 1 periphery of accelerator head, and accelerator head 1 can be driven to carry out one around accelerator head yaw rotation axis 15
Determine the revolution beat movement of angle, and beat position can be measured and be fed back.
The radiotheraphy device and an image contrast apparatus 10 are integrated, and the radiotherapy apparatus of image guidance is formed, and are matched by addition
Part is recombinated, when radiotherapy, accelerator head 1 can be rotated with image contrast apparatus 10, since 1 functional structure of accelerator head is wanted
It asks, so its quality is very heavy, will lead to 2 discontinuity equalization of connector when being rotated influences smoothness of operation, by connecting
The installation of 2 other end of part and the comparable high density clump weight 4 of 1 weight of accelerator head, can make 2 stress equalization of connector, thus
Make entire radiotheraphy device smooth running in 10 deflection process of image contrast apparatus.
In a preferred embodiment, weight body 4 includes shell 41 and several fill blocks 42, has one or more in shell 41
Accommodating cavity 410；The filling of fill block 42 is fixed in accommodating cavity 410.
The material of shell 41, which can according to need, to be selected, and can be metal etc., and the shape of shell 41 is not known yet, can
To be round, rectangular etc., the number of accommodating cavity 410 can be one or more, and shape and arrangement mode are unlimited.Fill block 42 is usual
It is prepared, can be fixed by methods such as glue sticks by highdensity material.
Referring to Fig. 3-4,1 emission beam of accelerator head when carrying out radiotherapy, some energy of beam 26
It then can be to external exposure for tumour irradiation treatment rest part, it is therefore desirable to shielding be carried out to extra beam 26 and absorbed to prevent
Injury to other staff's equipment.Therefore radiotherapy equipment is typically mounted in therapeutic room 28, is made when accelerator head 1 surrounds
13 rotary irradiation of shadow equipment rotating shaft treat when, that is, beam 26 also around contrast apparatus rotating shaft 13 rotate, penetrated to shield absorption
Line needs to do the shielded layer i.e. main shield area 27 of one fixed width in corresponding 26 rotation portion of beam of therapeutic room 28.Due to beam
26 energy comparisons are high, so main shield area needs the thickness done very big could shield completely to absorb extra ray, therefore will lead to
28 very large space of therapeutic room is occupied, and construction cost also will increase.
It is therefore preferred that the fill block 42 of weight body 4 uses metal block in the present invention, it can effectively absorb shielding in this way and penetrate
Heat input, so that energy is significantly decayed after beam 26 passes through clump weight 4, the thickness in main shield area 27 can be substantially reduced,
Increase by 28 space of therapeutic room to reach, reduces construction cost.
When fill block 42 is metal block, in order to avoid metal block forms vortex in magnetic resonance Patients During Radiotherapy, also require each
It is insulated from each other between metal block.
Preferably, fill block 42 is equal in magnitude, and is arranged in array and is filled in one or more accommodating cavities 410, divides in this way
Cloth is uniform, and center of gravity is more steady.For the ease of processing, it is preferable that fill block 42 is cuboid fill block, and rectangular array arrangement is filled in
In accommodating cavity 410, specifically, two kinds of situations can be divided into, when one is having an accommodating cavity 410, such as Fig. 5 is multiple rectangular
Body fill block 42 is arranged in an accommodating cavity, can be fixed by methods such as glue sticks；Fill block 42 if metal block, by
The mode that surface coats layer of becoming attached to is insulated from each other.Another kind is multiple accommodating cavities 410, as shown in fig. 6, in each accommodating cavity 410
One piece of fill block 42 is filled, the material for accommodating cavity wall can be insulating materials, that between metal fill block 42 also may be implemented in this way
This insulation.If fill block 42 is nonmetallic materials, it is not necessarily to insulating Design.
When fill block 42 be metal fill block, and be cuboid when, in order to reduce loss, avoid heat, it is preferable that metal is rectangular
Cross section maximal side≤20mm of body fill block.
Further, in order to reduce vortex, cuboid metal fill block 42 can be formed by stacking by several sheet metals, and gold
Belong to piece surface and is equipped with insulating layer.Preferably, sheet metal be silicon steel sheet or amorphous alloy film, and sheet metal with a thickness of 0.2-
0.5mm, width 8-20mm, length 8-20mm.
Preferably, insulating layer is polyurethane imines coating, improves its heat resistance.Further, above-mentioned polyurethane imines applies
Layer is by 60-90wt% polyurethane, the carbon nanotube of 8-35wt% polyester-imide and 0.5-8wt% and/or graphene mixture
It constitutes.
Polyurethane is common insulating layer material, its heat resistance can be improved by adding polyester-imide；Graphene, carbon are received
Mitron has excellent active group capturing ability, can capture in quenching high molecular material because radiating the activity generated freely
Base improves the radiation resistance of insulating layer to inhibit Radiation degradation and cross-linking reaction；And graphene, carbon nanotube are also
Be conducive to radiate, therefore by adding suitable carbon nanotube, graphene or the mixture of the two, insulation can be effectively improved
The Antiradiation ability and heat dissipation performance of layer, prolong the service life.
In one embodiment, as shown in Fig. 5,7, the shell 41 of weight body 4 is rounded, has an appearance in shell 41
Chamber 410 is set, several equal-sized 42 rectangular array of fill block arrangements are fixed in accommodating cavity 410, and fill block 42 is cuboid gold
Belong to block, cross section length and width is 15mm；And fill block 42 is made of the sheet metal superposition of several layers squares, sheet metal
With a thickness of 0.3mm, and sheet metal surface is equipped with polyurethane imines coating, the polyurethane imines coating by 65wt% polyurethane,
The carbon nanotube of 34.5wt% polyester-imide and 0.5wt% are constituted.
In another embodiment, as shown in fig. 6-7, the shell 41 of weight body 4 is rounded, and setting is multiple in shell 41
Accommodating cavity 410, each accommodating cavity 410 is equal in magnitude, and the metal fill block 42 of cuboid is fixed in each accommodating cavity 410, metal
The cross section length and width of fill block 42 is 8mm；And fill block 42 is made of the sheet metal of several layers square, the thickness of sheet metal
Degree be 0.2mm, sheet metal surface be equipped with polyurethane imines coating, the polyurethane imines coating by 80wt% polyurethane,
The carbon nanotube and graphene of 19.2wt% polyester-imide and 0.8wt% and mixture is constituted, wherein carbon nanotube and stone
The mass ratio of black alkene is 1:1.
Sheet metal in above-described embodiment can be silicon steel sheet or amorphous alloy film.
In above embodiments, radiotheraphy device is integrated with image contrast apparatus 10, straight by the connector 2 of balance weight assembly
It connects and is connected across 10 two sides of contrast imaging equipment, accelerator head 1 and image contrast apparatus 10 is made to rotate carry out radiotherapy simultaneously,
But balance weight assembly of the invention is also applied for radiotheraphy device and is mounted on 10 outside of image contrast apparatus, can independently carry out rotary emission
Treatment can also rotate simultaneously the case where carrying out radiotherapy, as shown in Figure 8 with image contrast apparatus 10.
To sum up, balance weight assembly provided in this embodiment, be used for radiotheraphy device, can solve radiotheraphy device rotation, partially
Discontinuity equalization problem when pendulum improves the precision of radiotherapy, increases radiotherapeutic effect and further using metal fill block, may be used also
To absorb extra radiotherapy ray, to reduce the shielding cost of therapeutic room.It, can be to avoid whirlpool and by optimization fill block design
The problems such as stream and heat dissipation.Balance weight assembly of the invention is used for the radiotherapy system guided by image, and radiotherapeutic effect can be improved.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of balance weight assembly, it to be used for radiotheraphy device, the radiotheraphy device includes accelerator head and accelerator head carrier,
The accelerator head is located on the accelerator head carrier, which is characterized in that the balance weight assembly include connector and
Weight body, described connector one end connect the accelerator head carrier, and the other end connects the weight body.
2. balance weight assembly according to claim 1, which is characterized in that the weight body includes shell and several fill blocks, institute
It states in shell and has one or more receiving cavities；The fill block filling is fixed in the accommodating cavity.
3. balance weight assembly according to claim 2, it is characterised in that: the fill block be metal block, and between the fill block that
This insulation.
4. balance weight assembly according to claim 2, which is characterized in that the fill block is equal in magnitude, and is arranged in array and fills out
It fills in one or more of accommodating cavities.
5. balance weight assembly according to claim 4, which is characterized in that the fill block is cuboid fill block, and is in rectangle battle array
Column arrangement is filled in one or more of accommodating cavities.
6. balance weight assembly according to claim 5, which is characterized in that the fill block is metal cuboid fill block, and transversal
Face maximal side≤20mm.
7. balance weight assembly according to claim 6, it is characterised in that: the fill block be superimposed by several rectangle sheet metals and
At, and the sheet metal surface is equipped with insulating layer.
8. balance weight assembly according to claim 7, it is characterised in that: the sheet metal be silicon steel sheet or amorphous alloy film,
And the sheet metal with a thickness of 0.2-0.5mm, width 8-20mm, length 8-20mm.
9. balance weight assembly according to claim 7, it is characterised in that: the insulating layer is polyurethane imines coating.
10. balance weight assembly according to claim 9, which is characterized in that the polyurethane imines coating is by 60-90wt%
Polyurethane, the carbon nanotube of 8-35wt% polyester-imide and 0.5-8wt% and/or graphene mixture are constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811641261.6A CN109681578A (en) | 2018-12-29 | 2018-12-29 | Balance weight assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811641261.6A CN109681578A (en) | 2018-12-29 | 2018-12-29 | Balance weight assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109681578A true CN109681578A (en) | 2019-04-26 |
Family
ID=66190306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811641261.6A Pending CN109681578A (en) | 2018-12-29 | 2018-12-29 | Balance weight assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN109681578A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021035478A1 (en) * | 2019-08-26 | 2021-03-04 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for radiation therapy |
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|---|---|---|---|---|
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| JP2014095592A (en) * | 2012-11-08 | 2014-05-22 | Shimadzu Corp | Radiation detector |
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| CN209483869U (en) * | 2018-12-29 | 2019-10-11 | 佛山瑞加图医疗科技有限公司 | Balance weight assembly |
-
2018
- 2018-12-29 CN CN201811641261.6A patent/CN109681578A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1575668A1 (en) * | 2002-07-02 | 2005-09-21 | PencilBeam Technologies AB | Radiation system with inner and outer gantry, to enable precise positioning when rotating the inner gantry |
| CN1736510A (en) * | 2004-08-18 | 2006-02-22 | 惠小兵 | Radiotherapy apparatus and method for changing radiation beam diameter thereof |
| CN202263309U (en) * | 2011-10-12 | 2012-06-06 | 东莞市悦进实业投资有限公司 | Medical electronic linear accelerator rack |
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| CN205287279U (en) * | 2015-11-30 | 2016-06-08 | 北京大基康明医疗设备有限公司 | Rotatory frame of cyclotron |
| CN106924888A (en) * | 2015-12-31 | 2017-07-07 | 上海联影医疗科技有限公司 | A kind of radiotherapy equipment |
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Cited By (1)
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| WO2021035478A1 (en) * | 2019-08-26 | 2021-03-04 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for radiation therapy |
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