CN105031832B - Conformal modulating radiotherapy device - Google Patents
Conformal modulating radiotherapy device Download PDFInfo
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- CN105031832B CN105031832B CN201510536246.5A CN201510536246A CN105031832B CN 105031832 B CN105031832 B CN 105031832B CN 201510536246 A CN201510536246 A CN 201510536246A CN 105031832 B CN105031832 B CN 105031832B
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- 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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Abstract
The present invention provides a kind of conformal modulating radiotherapy device, including：Shell, there are one receiving space and a shielding cavities for formation；Screen is filled in the shielding cavity；Load source body is rotated, is housed in the receiving space；Stick is shielded, 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 and rotates, and the radioactive source is made to switch between position and Guan Yuanwei increasing income for setting；The exit end in the radioactive source, including a collimating aperture is arranged in pre-collimated body, when the radioactive source is being increased income, 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, be arranged outside the shell, and with the shield door face.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 technology
3 dimensional conformal radiation therapy is a kind of high-precision radiotherapy, using the tumor structure of CT image reconstruction three-dimensionals,
By the way that a series of different irradiation fields are arranged in different directions, and use the conformal gear lead consistent with lesion shape so that high agent
The distribution shape for measuring area is consistent with target region shape on three-dimensional (around, upper and lower directions), while making perilesional
Normal structure 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, cost is higher before the equipment of development Linear Accelerator Radiotherapy, and cobalt -60 is controlled
The fixed assets investment for the treatment of machine radiotherapy is relatively low, and therefore, part manufacturer and consumer are still ready to select cobalt-60 treating machines.
But existing cobalt-60 treating machines are complicated and very heavy, are unfavorable for installing and transport.
Invention content
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, including：Shell, formed there are one receiving space with
An and shielding cavity；Screen is filled in the shielding cavity；Load source body is rotated, is housed in the receiving 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, makes the radioactive source in position and the pass of increasing income for setting
Source switches between position；The exit end in 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 in 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 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 so that the conformal modulating radiotherapy device being capable of the upper movement in terms of the central axis of the roller rack.
The conformal modulating radiotherapy apparatus structure of the present invention is simple and compact, is easy to be installed and be transported.
Description of the drawings
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 implementation mode
Further more detailed description is made to technical scheme of the present invention With reference to embodiment.Obviously, it is retouched
The embodiment stated is only a part of embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment party that those of ordinary skill in the art are obtained under the premise of not making creative work
Formula should all belong to the scope of protection of the invention.
It please refers to Fig.1 and Fig. 2, 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
Move the rotation in the shell 10 of the shielding stick 40 and source body 50.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 shield door 90.Second driving portion drives
The dynamic shield door 90 and multi-diaphragm collimator 110 rotate, and 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 except shell 10.
The shell 10 is the support 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 formed there are one receiving space 11 and a shielding cavity 12, the shielding cavity 12 is used to accommodate the screen 20, institute
Receiving 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 first half 14.In the present embodiment, the lower half
In a rectangular parallelepiped shape, the shape of the first half 14 is substantially in a circular table shape for the shape in portion 13.The receiving space 11 includes mutually interconnecting
Logical the first receiving space 111 and the second receiving space 112, first receiving space 111 are formed under the shell 10
In half portion 13, second receiving space 112 is formed in the first half 14 of the shell 10, and second receiving space
112 form on the shell 10 there are one circular open 113.First receiving space 111 accommodates the pre-collimated body 80
With shield door 90, second receiving space 112 accommodates rotation load source body 30, shielding stick 40, source body 50.The shielding cavity
It is separated by the side wall of partial shell 10 between 12 and second receiving space 112.In the present embodiment, the shielding cavity 12 and institute
10 side wall ring of partial shell is stated around second receiving space 112.In addition, being offered on the bottom surface of 10 lower half 13 of the 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 wraps rotational source body 50 with shell 10
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 on by bearing (not shown) in second receiving space 112, 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 be turned round with rotational source carrier 30 as one kind.
First driving portion 60 is arranged on the shell 10, to drive rotation load source body 30 around own rotation axis
Rotation, to make the radioactive source switch between position and Guan Yuanwei increasing income.More specifically, first driving portion 60 is fixed on
The opening side of second receiving space 112.In the present embodiment, first driving portion 60 is a motor, the motor
It is rotated by rotating 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 rotation load source body 30 is rotated to specific position, that is, is increased income, 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 shield door 90 is arranged in 80 side far from the radioactive source of the pre-collimated body, and to just
The radioactive source setting.The shield door 90 is used to, when the radioactive source is located at pass source position, play shielding action.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, ensures 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 rail plate 93 with the doorframe, and the mobile door-plate 92
It can be moved relative to the doorframe.The doorframe is connect by bearing with the shell 10 so that the shield door 90 being capable of phase
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 the position of adjusting movement door-plate 92, can adjust opening
Size.In treatment, the openings of sizes is opened to scheduled width, and ensures no unexpected ray effusion.And non-
When therapeutic state, rotational source body 50, pre-collimated body 80, shield door 90 are closed successively, multiple shield is accomplished to ray.
The multi-diaphragm collimator 110 be arranged outside the shell 10, and with 90 face of the shield door.10 bottom of the shell
Through-hole 15 on face is to the collimating aperture 81 of just described shield door 90 and the pre-collimated body 80, the setting of the multi-diaphragm collimator 110
In 15 both sides of the 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 be rotated 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 forms, conformal to complete for driving each blade of the multi-diaphragm collimator 110 to move.It is understood that at some
In embodiment, the multi-diaphragm collimator 110 and second driving portion 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 upper in terms of the central axis of the roller rack 201 can move, to be changed by axial wobble
Incidence angle.
The conformal modulating radiotherapy device 100 of the present invention, it is simple in structure and compact, it is easy to be installed and be transported.The above institute
What is disclosed is only the better embodiment in embodiment of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (9)
1. a kind of conformal modulating radiotherapy device, including：
Shell, there are one receiving space and a shielding cavities for formation；
Screen is filled in the shielding cavity；
Load source body is rotated, is housed in the receiving space；
Stick is shielded, 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, makes the radioactive source for setting
Switch between position and Guan Yuanwei increasing income；
The exit end in the radioactive source, including a collimating aperture is arranged in pre-collimated body, when the radioactive source is being increased income, 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 the shell includes lower half and upper half
Portion, the receiving space include interconnected the first receiving space and the second receiving space, and first receiving space is formed
In the lower half of the shell, second receiving space is formed in the first half of the shell, and the shielding cavity is surround
Second receiving space, the pre-collimated body and shield door are housed in first receiving space, rotation load source body,
Shielding stick, source body are housed in second receiving space.
3. conformal modulating radiotherapy device according to claim 2, 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 both sides.
4. conformal modulating radiotherapy device according to claim 2, 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 first half.
5. conformal modulating radiotherapy device according to claim 1, 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 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.
6. conformal modulating radiotherapy device according to claim 1, further comprises the second driving portion, with the shield door with
And multi-diaphragm collimator is sequentially connected, to drive the shield door and multi-diaphragm collimator to be rotated relative to the shell simultaneously.
7. conformal modulating radiotherapy device according to claim 1, which is characterized in that the shield door includes two fixed doors
Plate, two mobile door-plates and a doorframe, described two fixed door-plate interlockings are on the mobile door-plate, the fixed door-plate
It is fixedly connected with the doorframe, the mobile door-plate is connect by rail plate with the doorframe, and the mobile door-plate can edge
The rail plate is moved relative to the doorframe, and the doorframe is connect by bearing with the shell, when the mobile door-plate
When being moved relative to the doorframe, the centre position of the mobile door-plate and fixed door-plate forms an opening, the opening
Size is adjusted by the position of the mobile door-plate of adjusting.
8. conformal modulating radiotherapy device according to claim 1, which is characterized in that the multi-diaphragm collimator and a third are driven
Dynamic portion is sequentially connected, and carries out conformal adjustment under the driving of the third driving portion.
9. a kind of conformal modulating radiotherapy system, including roller rack and at least one as described in any one of claim 1~8
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 so that the conformal modulating radiotherapy device being capable of the upper movement in terms of the central axis of the roller rack.
Priority Applications (3)
| 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 |
| PCT/CN2016/100811 WO2017032345A1 (en) | 2015-08-27 | 2016-09-29 | Conformal intensity-modulated radiation therapy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510536246.5A CN105031832B (en) | 2015-08-27 | 2015-08-27 | Conformal modulating radiotherapy device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810764384.2A Division CN109107053B (en) | 2015-08-27 | 2015-08-27 | Intensity modulated radiotherapy device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105031832A CN105031832A (en) | 2015-11-11 |
| CN105031832B true CN105031832B (en) | 2018-08-21 |
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| 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 After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810764384.2A Active CN109107053B (en) | 2015-08-27 | 2015-08-27 | Intensity modulated radiotherapy device |
Country Status (2)
| Country | Link |
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| 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 |
| WO2018191852A1 (en) * | 2017-04-17 | 2018-10-25 | 西安大医数码技术有限公司 | Source removing and introducing tooling, smart cart and source removing and introducing 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 |
| CN113813514A (en) * | 2020-06-19 | 2021-12-21 | 西安大医集团股份有限公司 | Source guiding assembly |
| CN111714791B (en) * | 2020-06-19 | 2022-06-03 | 新里程医用加速器(无锡)有限公司 | Radiotherapy device |
| 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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| US3588031A (en) * | 1969-01-24 | 1971-06-28 | Gen Electric | Internally shielded teletherapy source |
| DE69426036T2 (en) * | 1993-06-09 | 2001-05-17 | Wisconsin Alumni Res Found | Radiation therapy system |
| US6512813B1 (en) * | 1999-05-03 | 2003-01-28 | Franz Krispel | Rotating stereotactic treatment system |
| CN1296108C (en) * | 2003-01-30 | 2007-01-24 | 武汉康桥医学新技术有限公司 | Directional intensity ajustable radiation therapy apparatus |
| CN1586670A (en) * | 2004-09-15 | 2005-03-02 | 杭州华源伽玛医疗设备投资有限公司 | Rotary closing type gamma ray radiator |
| CN1785456A (en) * | 2004-12-09 | 2006-06-14 | 深圳市益普生医疗设备发展有限公司 | Method of reducing cobalt-bo machine geometric half image |
| CN2910260Y (en) * | 2006-06-02 | 2007-06-13 | 珠海市和佳医疗设备有限公司 | Radioactive source controller |
| WO2008141667A1 (en) * | 2007-05-24 | 2008-11-27 | Elekta Ab (Publ) | Collimation apparatus for radiotherapy |
| US9324468B2 (en) * | 2010-08-23 | 2016-04-26 | Varian Medical Systems, Inc. | Multileaf collimators with transverse motion |
| WO2014131175A1 (en) * | 2013-02-28 | 2014-09-04 | 深圳市奥沃医学新技术发展有限公司 | Pull rod apparatus capable of implementing movement of source body and radiation apparatus of the pull rod apparatus |
| CN203659451U (en) * | 2013-12-05 | 2014-06-18 | 北京大基康明医疗设备有限公司 | Double-focusing multi-leaf collimator |
| CN203647890U (en) * | 2013-12-25 | 2014-06-18 | 深圳市奥沃医学新技术发展有限公司 | A local switch source apparatus used for a multi-source radiotherapy device |
| CN104784831B (en) * | 2015-04-21 | 2018-09-07 | 苏州爱因智能设备有限公司 | A kind of achievable full track mark radiotherapy equipment |
| CN105031832B (en) * | 2015-08-27 | 2018-08-21 | 西安大医集团有限公司 | Conformal modulating radiotherapy device |
-
2015
- 2015-08-27 CN CN201510536246.5A patent/CN105031832B/en active Active
- 2015-08-27 CN CN201810764384.2A patent/CN109107053B/en active Active
-
2016
- 2016-09-29 WO PCT/CN2016/100811 patent/WO2017032345A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN109107053A (en) | 2019-01-01 |
| CN105031832A (en) | 2015-11-11 |
| WO2017032345A1 (en) | 2017-03-02 |
| CN109107053B (en) | 2020-09-08 |
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Address after: 710000, No. 66 Fengcheng twelve Road, Xi'an City, Shaanxi, 66, 28, building 1, unit 3, international business center. Applicant after: CYBERMED RADIOTHERAPY TECHNOLOGIES Co.,Ltd. Address before: 710000, No. 66 Fengcheng twelve Road, Xi'an City, Shaanxi, 66, 28, building 1, unit 3, international business center. Applicant before: CYBERMED RADIOTHERAPY TECHNOLOGIES Co.,Ltd. Address after: 710000, No. 66 Fengcheng twelve Road, Xi'an City, Shaanxi, 66, 28, building 1, unit 3, international business center. Applicant after: CYBERMED RADIOTHERAPY TECHNOLOGIES Co.,Ltd. Address before: 710000, No. 66 Fengcheng 12 road, Xi'an City, Shaanxi, 66, 28, building 1, unit 17, international business center. Applicant before: CYBERMED TECHNOLOGIES (XI'AN) Co.,Ltd. |
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Address after: 710000 Unit 1, Unit 3, Room 10301, Building 28, Pioneer International City Business Center, 66 Fengcheng 12 Road, Xi'an Economic and Technological Development Zone, Shaanxi Province Patentee after: Xi'an Dayi Group Co.,Ltd. Address before: 710000 Unit 1, 3 Floors, Building 28, International City Business Center, 66 Fengcheng Road, Jingkai District, Xi'an City, Shaanxi Province Patentee before: CYBERMED RADIOTHERAPY TECHNOLOGIES Co.,Ltd. |
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