CN109107053A - Conformal modulating radiotherapy device - Google Patents
Conformal modulating radiotherapy device Download PDFInfo
- Publication number
- CN109107053A CN109107053A CN201810764384.2A CN201810764384A CN109107053A CN 109107053 A CN109107053 A CN 109107053A CN 201810764384 A CN201810764384 A CN 201810764384A CN 109107053 A CN109107053 A CN 109107053A
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- Prior art keywords
- accommodating space
- source
- radiotherapy device
- shell
- conformal
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- 238000001959 radiotherapy Methods 0.000 title claims abstract description 44
- 230000002285 radioactive effect Effects 0.000 claims abstract description 30
- 229910017052 cobalt Inorganic materials 0.000 claims abstract 2
- 239000010941 cobalt Substances 0.000 claims abstract 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract 2
- 230000005540 biological transmission Effects 0.000 claims 2
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 238000002729 3-dimensional conformal radiation therapy Methods 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (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 conformal modulating radiotherapy device, comprising: shell is formed with an accommodating space and a shielding cavity；Screen is filled in the shielding cavity；Source body is housed in the accommodating space, for carrying cobalt radioactive source；The exit end of the radioactive source, including a collimating aperture is arranged in pre-collimated body, when the radioactive source is when increasing income position, the collimating aperture and the radioactive source face；Shield door is arranged in the side of the pre-collimated body far from the radioactive source, and the just described radioactive source is arranged；And multi-diaphragm collimator, it is arranged outside the shell, and rotated simultaneously relative to the shell with the shield door face, the shield door and multi-diaphragm collimator.The present invention also provides a kind of conformal modulating radiotherapy systems.
Description
Technical field
The present invention relates to radiotherapy instrument fields, more particularly to a kind of conformal modulating radiotherapy device.
Background technique
3 dimensional conformal radiation therapy is a kind of high-precision radiotherapy, using the tumor structure of CT image reconstruction three-dimensional,
By the way that a series of different irradiation fields, and use and the consistent conformal gear lead of lesion shape is arranged in different directions, so that high agent
The distribution shape for measuring area is consistent with target region shape in three-dimensional (front and rear, left and right, up and down direction), while making perilesional
Normal tissue is reduced by amount.
For three dimensional conformal radiation therapy system, treatment head is the part of core.Existing conformal therapy head is mostly using doctor
Use linear accelerator as radioactive source.However, higher cost before the equipment of development Linear Accelerator Radiotherapy, and cobalt -60 is controlled
The fixed assets investment for the treatment of machine radiotherapy is lower, and therefore, part manufacturer and consumer are still ready to select cobalt-60 treating machines.
But structure is complicated and very heavy for existing cobalt-60 treating machines, is unfavorable for installing and transport.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of conformal modulating radiotherapy devices.
One embodiment of the invention provides a kind of conformal modulating radiotherapy device, comprising: shell, be formed with an accommodating space with
An and shielding cavity；Screen is filled in the shielding cavity；Load source body is rotated, is housed in the accommodating space；Shielding
Stick is housed in the body of the rotation load source；Source body is housed in the bottom end of the shielding stick, for carrying radioactive source；First driving
Portion, on the housing, driving rotation load source body rotates about axis rotation for setting, makes the radioactive source in open source position and pass
Source switches between position；The exit end of the radioactive source, including a collimating aperture is arranged in pre-collimated body, when the radioactive source is being opened
When the position of source, the collimating aperture and the radioactive source face；One of the pre-collimated body far from the radioactive source is arranged in shield door
Side, and the just described radioactive source is arranged；And multi-diaphragm collimator, be arranged outside the shell, and with the shield door face.
Another embodiment of the present invention provides a kind of conformal modulating radiotherapy system, including roller rack and at least one is above-mentioned
Conformal modulating radiotherapy device, the conformal modulating radiotherapy device is arranged in roller rack and can follow the roller rack
The shell of rotation, the conformal modulating radiotherapy device is relatively set with two interconnecting pieces, the interconnecting piece and the roller machine outside
Frame is slidably connected, and the conformal modulating radiotherapy device is moved in the central axial direction of the roller rack.
Conformal modulating radiotherapy apparatus structure of the invention is simple and compact, is easy to be installed and be transported.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of conformal modulating radiotherapy device provided in an embodiment of the present invention；
Fig. 2 is the diagrammatic cross-section of the conformal modulating radiotherapy device of Fig. 1；
Fig. 3 is the structural schematic diagram of the shield door of the conformal modulating radiotherapy device of Fig. 1；
Fig. 4 is a kind of structural schematic diagram of conformal modulating radiotherapy system provided in an embodiment of the present invention.
Specific embodiment
Further more detailed description is made to technical solution of the present invention With reference to embodiment.Obviously, it is retouched
The embodiment stated is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art every other embodiment party obtained without creative labor
Formula all should belong to the scope of protection of the invention.
Fig. 1 and Fig. 2 are please referred to, the present invention provides the conformal modulating radiotherapy device 100 of an embodiment comprising shell 10,
Screen 20, rotation load source body 30, shielding stick 40, source body 50, the first driving portion 60, pre-collimated body 80, shield door 90, leafy standard
Straight device 110, the second driving portion (not shown) and third driving portion 120.The shell 10 accommodates the screen 20, rotation carries
Source body 30, shielding stick 40, source body 50, the second driving portion, pre-collimated body 80 and shield door 90.Described in the screen 20 and part
Shell 10 is around rotation load source body 30.The shielding stick 40 and source body 50 are housed in rotation load source body 30, and institute
It states source body 50 and is located at 40 bottom end of shielding stick.Under the driving of first driving portion 60, rotation load source body 30 can band
It moves the shielding stick 40 and source body 50 rotates in the shell 10.The setting of pre-collimated body 80 is in the source body 50 and shielding
Between door 90.The multi-diaphragm collimator 110 is arranged outside the shell 10, and to the just described shield door 90.Second driving portion drives
It moves the shield door 90 and multi-diaphragm collimator 110 rotates, the third driving portion 120 is for driving the multi-diaphragm collimator 110
Carry out conformal adjustment.
It is understood that in other embodiments, the shield door 90 can also be arranged in except shell 10.
The shell 10 is the supporting element of entire conformal modulating radiotherapy device 100, outer shape can according to device requirement,
Functional requirement etc. carries out particular design, more preferably to realize therapeutic effect.In the present embodiment, the shell 10 has irregular outer
Shape, and it is formed with an accommodating space 11 and a shielding cavity 12, the shielding cavity 12 is for accommodating the screen 20, institute
Accommodating space 11 is stated for accommodating other component, such as rotates load source body 30, shielding stick 40, source body 50, pre-collimated body 80 and shielding
Door 90.More specifically, the shell 10 includes integrally formed lower half 13 and the upper half 14.In the present embodiment, the lower half
In a rectangular parallelepiped shape, the shape of the upper half 14 is substantially in a circular table shape for the shape in portion 13.The accommodating space 11 includes mutually interconnecting
Logical the first accommodating space 111 and the second accommodating space 112, first accommodating space 111 are formed under the shell 10
In half portion 13, second accommodating space 112 is formed in the upper half 14 of the shell 10, and second accommodating space
112 are formed with a circular open 113 on the shell 10.First accommodating space 111 accommodates the pre-collimated body 80
With shield door 90, second accommodating space 112 accommodates rotation load source body 30, shielding stick 40, source body 50.The shielding cavity
It is separated between 12 and second accommodating space 112 by the side wall of partial shell 10.In the present embodiment, the shielding cavity 12 and institute
10 side wall ring of partial shell is stated around second accommodating space 112.In addition, being offered on the bottom surface of 10 lower half 13 of shell
One through-hole 15, for being emitted to outside shell by the ray of shield door 90.
The screen 20 is filled in the shielding cavity 12, so that screen 20 and shell 10 wrap rotational source body 50
Shielding action is played in centre.In the present embodiment, the screen 20 is lead.It is appreciated that in other embodiments, it can be in shell
Fill the better substance of other shielding properties in 10 inside.
Rotation load source body 30 is mounted in second accommodating space 112 by bearing (not shown), and passes through institute
It states the driving of the first driving portion 60 and is rotated.In the present embodiment, rotation load source body 30 is cylindrical, the rotation load source
Eccentric orfice 31 is offered in body 30.
The shielding stick 40 is housed in the eccentric orfice 31, and rotation load source body 30 is followed to rotate.The present embodiment
In, the material of the shielding stick 40 is tungsten or tungsten alloy.
The source body 50 is arranged in the bottom end of the shielding stick 40 and is housed in the eccentric orfice 31, for carrying radiation
Source.In the present embodiment, source body 50 is in cuboid, is assembled by the more sources Co-60, and the largest face face of source body 50 is treated
Center will make the penumbra of all directions more when conformal modulating radiotherapy device 100 is rotated with roller (Fig. 3 will be described with)
It is small.Shielding stick 40 and source body 50 can turn round with rotation load source body 30.
First driving portion 60 is arranged on the shell 10, to drive rotation load source body 30 around own rotation axis
Rotation, so that the radioactive source be made to switch between open source position and Guan Yuanwei.More specifically, first driving portion 60 is fixed on
The opening side of second accommodating space 112.In the present embodiment, first driving portion 60 is a motor, the motor
It is rotated by rotation load source body 30 described in motor bevel gear driving.
The pre-collimated body 80 is fixed at the exit end of the radioactive source, and is formed with a collimating aperture 81, is used for
The ray of radioactive source described in preliminary correcting.When the rotation of rotation load source body 30 to specific position, i.e. open source position, the source body
Radioactive source on 50 is directed at the collimating aperture 81 of the pre-collimated body 80.And when the rotation of rotation load source body 30 to another certain bits
It sets, that is, when closing source position, radioactive source deviates the collimating aperture 81.
Incorporated by reference to Fig. 3, the side of the pre-collimated body 80 far from the radioactive source is arranged in the shield door 90, and to just
The radioactive source setting.The shield door 90 is used to play shielding action when the radioactive source is located at pass source position.Especially,
It, can be right by rotation load source body 30, pre-collimated body 80 and the shield door 90 when treatment head is in non-treatment state
Ray accomplishes multiple shield, guarantees safety of surrounding environment.In the present embodiment, the manufacture material of the shield door 90 is tungsten or its conjunction
Gold.Specifically, the shield door 90 includes two fixed door-plates, 91, two mobile door-plates 92 and a doorframe (not shown),
Described two fixed door-plates 91 are respectively perpendicular interlocking on the mobile door-plate 92 in approximately the same plane.The fixed door-plate 91 with
The doorframe is fixedly connected, and the mobile door-plate 92 is connect by slide rail 93 with the doorframe, and the mobile door-plate 92
It can be mobile relative to the doorframe.The doorframe is connect by bearing with the shell 10, enables 90 phase of shield door
The shell 10 is rotated.When the mobile door-plate 92 is moved relative to the doorframe, the mobile door-plate 92 and fixation
The intermediate intersection location of door-plate 91 can enclose a square aperture, by adjusting the position of mobile door-plate 92, can adjust opening
Size.In treatment, the openings of sizes is opened to scheduled width, and guarantees no unexpected ray evolution.And non-
When therapeutic state, rotational source body 50, pre-collimated body 80, shield door 90 are successively closed, multiple shield is accomplished to ray.
The multi-diaphragm collimator 110 is arranged outside the shell 10, and with 90 face of shield door.10 bottom of shell
Collimating aperture 81 of the through-hole 15 to just described shield door 90 and the pre-collimated body 80 on face, the setting of multi-diaphragm collimator 110
In 15 two sides of through-hole.In the present embodiment, the multi-diaphragm collimator 110 can also be revolved around the central axis of collimating aperture 81
Turn, keeps the transformation of multi-diaphragm collimator 110 more flexible.More specifically, second driving portion is arranged on the shell 10, and
The shield door 90 and multi-diaphragm collimator 110 can be driven to rotate relative to the shell simultaneously, it is more thereby, it is possible to provide
Ray emergent shape.The multi-diaphragm collimator 110 is connect with third driving portion 120, and the third driving portion 120 is by multiple small electricity
Machine composition, it is conformal to complete for driving each blade of the multi-diaphragm collimator 110 mobile.It is understood that some
In embodiment, the multi-diaphragm collimator 110 and second driving portion be may also be arranged in the shell 10.
Referring to Fig. 4, the present invention also provides a kind of conformal modulating radiotherapy systems 200 comprising roller rack 201 and extremely
A few above-mentioned conformal modulating radiotherapy device 100.The conformal modulating radiotherapy device 100 is arranged in roller rack 201, and
The roller rack 201 can be followed to rotate.In addition, being relatively set with outside the shell 10 of the conformal modulating radiotherapy device 100
Two interconnecting pieces 17 (please referring to Fig. 1), the interconnecting piece 17 are slidably connected with the roller rack 201, so that the conformal tune
Strong radiotheraphy device 100 can move in the central axial direction of the roller rack 201, to be changed by axial wobble
Incidence angle.
Conformal modulating radiotherapy device 100 of the invention, structure is simple and compact, is easy to be installed and be transported.
Described above be only the better embodiment in embodiment of the present invention, cannot be limited certainly with this
Interest field of the invention, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (10)
1. a kind of conformal modulating radiotherapy device, comprising:
Shell is formed with an accommodating space and a shielding cavity；
Screen is filled in the shielding cavity；
Source body is housed in the accommodating space, for carrying cobalt radioactive source；
The exit end of the radioactive source, including a collimating aperture is arranged in pre-collimated body, when the radioactive source is when increasing income position, institute
State collimating aperture and the radioactive source face；
Shield door is arranged in the side of the pre-collimated body far from the radioactive source, and the just described radioactive source is arranged；And
Multi-diaphragm collimator, be arranged outside the shell, and with the shield door face；
The shield door and multi-diaphragm collimator are rotated relative to the shell simultaneously.
2. conformal modulating radiotherapy device according to claim 1, which is characterized in that further include:
Load source body is rotated, is housed in the accommodating space；
Stick is shielded, is housed in the body of the rotation load source；
The source body is housed in the bottom end of the shielding stick；
First driving portion, on the housing, driving rotation load source body rotates about axis rotation for setting, makes the radioactive source
Switch between open source position and Guan Yuanwei.
3. conformal modulating radiotherapy device according to claim 1 further comprises the second driving portion, with the shield door with
And multi-diaphragm collimator transmission connection, to drive the shield door and multi-diaphragm collimator to rotate relative to the shell simultaneously.
4. conformal modulating radiotherapy device according to claim 2, which is characterized in that offered on the body of the rotation load source partially
Heart hole, the shielding stick and source body are housed in the eccentric orfice, and the rotation load source body is followed to rotate, when the rotation
When load source body is rotated to specific position, the radioactive source on the source body is directed at the collimating aperture of the pre-collimated body.
5. conformal modulating radiotherapy device according to claim 2, which is characterized in that the shell includes lower half and upper half
Portion, the accommodating space include interconnected the first accommodating space and the second accommodating space, and first accommodating space is formed
In the lower half of the shell, second accommodating space is formed in the upper half of the shell, and the shielding cavity is surround
Second accommodating space, the pre-collimated body and shield door are housed in first accommodating space, rotation load source body,
Shielding stick, source body are housed in second accommodating space.
6. conformal modulating radiotherapy device according to claim 4, which is characterized in that offered on the bottom surface of the lower half
One through-hole, the collimating aperture of shield door and the pre-collimated body described in the through-hole alignment, the multi-diaphragm collimator are arranged in institute
State through-hole two sides.
7. conformal modulating radiotherapy device according to claim 4, which is characterized in that the lower half in a rectangular parallelepiped shape, institute
It is substantially in a circular table shape to state the upper half.
8. conformal modulating radiotherapy device according to claim 4, which is characterized in that first driving portion is fixed on described
The opening side of second accommodating space.
9. conformal modulating radiotherapy device according to claim 1, which is characterized in that the multi-diaphragm collimator and a third are driven
Dynamic portion's transmission connection, and conformal adjustment is carried out under the driving of the third driving portion.
10. a kind of conformal modulating radiotherapy system, including roller rack and at least one such as any one of claim 1~9 institute
The conformal modulating radiotherapy device stated, the conformal modulating radiotherapy device are arranged in roller rack and can follow the roller machine
The shell of frame rotation, the conformal modulating radiotherapy device is relatively set with two interconnecting pieces, the interconnecting piece and the roller outside
Housing slide connection, enables the conformal modulating radiotherapy device to move in the central axial direction of the roller rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764384.2A CN109107053B (en) | 2015-08-27 | 2015-08-27 | Intensity modulated radiotherapy device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764384.2A CN109107053B (en) | 2015-08-27 | 2015-08-27 | Intensity modulated radiotherapy device |
| CN201510536246.5A CN105031832B (en) | 2015-08-27 | 2015-08-27 | Conformal modulating radiotherapy device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510536246.5A Division CN105031832B (en) | 2015-08-27 | 2015-08-27 | Conformal modulating radiotherapy device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109107053A true CN109107053A (en) | 2019-01-01 |
| CN109107053B CN109107053B (en) | 2020-09-08 |
Family
ID=54439174
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510536246.5A Active CN105031832B (en) | 2015-08-27 | 2015-08-27 | Conformal modulating radiotherapy device |
| CN201810764384.2A Active CN109107053B (en) | 2015-08-27 | 2015-08-27 | Intensity modulated radiotherapy device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510536246.5A Active CN105031832B (en) | 2015-08-27 | 2015-08-27 | Conformal modulating radiotherapy device |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN105031832B (en) |
| WO (1) | WO2017032345A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105031832B (en) * | 2015-08-27 | 2018-08-21 | 西安大医集团有限公司 | Conformal modulating radiotherapy device |
| CN110326057B (en) * | 2017-04-17 | 2023-09-15 | 西安大医集团股份有限公司 | Get and put source frock, intelligent dolly and get and put source system |
| CN107837465B (en) * | 2017-11-21 | 2024-05-14 | 西安大医集团股份有限公司 | Source guiding device and system |
| CN107890612A (en) * | 2017-12-05 | 2018-04-10 | 西安大医数码科技有限公司 | One kind focuses on radiotheraphy device and equipment |
| CN108478942A (en) * | 2018-05-10 | 2018-09-04 | 江南大学附属医院 | A kind of oncology radiotherapeutic positioning device |
| CN111714791B (en) * | 2020-06-19 | 2022-06-03 | 新里程医用加速器(无锡)有限公司 | Radiotherapy device |
| CN113813514B (en) * | 2020-06-19 | 2024-09-17 | 西安大医集团股份有限公司 | Source guiding assembly |
| WO2022121926A1 (en) * | 2020-12-09 | 2022-06-16 | 西安大医集团股份有限公司 | Source turn-off device and treatment head |
| US11698351B1 (en) | 2022-07-29 | 2023-07-11 | King Abdulaziz University | Gamma radiography system and method of using a gamma radiography system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105031832B (en) | 2018-08-21 |
| CN105031832A (en) | 2015-11-11 |
| CN109107053B (en) | 2020-09-08 |
| WO2017032345A1 (en) | 2017-03-02 |
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