CN202620505U - Collimation device and radiotherapy equipment capable of switching ray beam limiting unit - Google Patents
Collimation device and radiotherapy equipment capable of switching ray beam limiting unit Download PDFInfo
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- CN202620505U CN202620505U CN201220247050.6U CN201220247050U CN202620505U CN 202620505 U CN202620505 U CN 202620505U CN 201220247050 U CN201220247050 U CN 201220247050U CN 202620505 U CN202620505 U CN 202620505U
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- collimator
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Abstract
The utility model provides a collimation device and a radiotherapy equipment capable of switching a ray beam limiting unit, wherein the collimation device capable of switching a ray beam limiting unit comprises a cylindrical collimation body roller capable of rotating around the axis thereof and a collimator assembly in an arc-shaped body; the collimator assembly is fixedly arranged on the collimation body roller and can rotate with the rotation of the collimation body roller; the collimator assembly comprises an arc-shaped positioning block and a plurality of sets of collimators; a plurality of sets of conical bores of various apertures are formed in the arc-shaped positioning block, and the collimators can be arranged in the conical bores correspondingly. The collimation device and the radiotherapy equipment capable of switching a ray beam limiting unit provided by the utility model can realize the function of a radiation unit for carrying out a whole-cycle rotation arc-discharge illumination to the focus, and meet different beam limiting and model match requirements of a radiation source body on various clinical demands, while the structure is simple and the operation is simple and convenience, and the therapy effect is improved.
Description
Technical field
This utility model relates to a kind of radiotherapy equipment, relates in particular to a kind of changeable ray limit unitary collimator apparatus of bundle and radiotherapy equipment.
Background technology
Existing radiotherapy equipment; Adopt a plurality of radiation unit to be distributed on same hemisphere or the ball-crown body according to different longitudes and latitudes; The corresponding through hole of respectively organizing of offering different sizes on hemisphere or the ball-crown body structure that also is employed in of its collimator apparatus comes ray is limit bundle, and referring to shown in Figure 1, hemisphere or ball-crown body are rotated motion around the axis of himself; This type of radiotherapy equipment is owing to only adopt the mode around self axis rotation; Make existing collimator apparatus only be confined to adapt to the adjusting of this type of vertical pinpoint rotary irradiation, and when needs carried out complete cycle rotation arcing irradiation to focus, existing collimator apparatus promptly was difficult to be suitable for.
The utility model content
The purpose of this utility model is to provide a kind of changeable ray limit unitary collimator apparatus of bundle and radiotherapy equipment; The collimation body cylinder that comprises a cylinder type through setting; Can be around its axis rotation; And the arc collimator assembly that is fixedly arranged on the collimation body cylinder, solved the limit beam function when radiation unit is carried out complete cycle rotation arcing irradiation to focus.
This utility model is to realize like this; The unitary collimator apparatus of a kind of changeable ray limit bundle comprises stretched cylinder surely, and said collimation body cylinder is a cylindrical tube shape; Can be around its axis rotation; A collimator assembly that also comprises curved body, said collimator assembly are fixedly arranged on the said collimation body cylinder, can rotate with collimation body cylinder.
Said collimator assembly comprises an arc locating piece; Offer many group conical bores on the said arc locating piece; The aperture of said many group conical bores is respectively organized inequality; The footpath that the central axis of said each conical bore all is positioned at said arc locating piece makes progress, and successively decreases to intrados from the extrados of said arc locating piece in the aperture of said each conical bore.
Said conical bore is coaxial ladder taper hole, and it has the large aperture taper hole at the extrados place near the arc locating piece, has the small-bore taper hole at the intrados place near the arc locating piece, forms step between said large aperture taper hole and the said small-bore taper hole.
Said collimator assembly also comprises many groups collimator that can corresponding be installed in the coaxial ladder taper hole of said many groups; Said collimator is the coaxial circles cone; And offer and the co-axial taper hole of said coaxial circles cone; The minor diameter cone of said coaxial circles cone partly is the collimation piece; The major diameter cone partly is a mounting blocks, and said collimation piece places in the small-bore taper hole of coaxial ladder taper hole on the said arc locating piece, and said mounting blocks places in the large aperture taper hole of coaxial ladder taper hole on the said arc locating piece.
Offer three groups of conical bores on the said arc locating piece.
Said collimator assembly material is a tungsten alloy.
Said collimator assembly is the arc multi-leaf optical grating.
Also be provided with on the said collimation body drum apparatus and the symmetrically arranged in opposite directions balancing weight of said collimator assembly, said balancing weight has a platform, and the plane of said platform is towards said collimator assembly.
This utility model also provides a kind of radiotherapy equipment, comprises the unitary collimator apparatus of aforesaid changeable ray limit bundle.
The changeable ray limit unitary collimator apparatus of bundle and the radiotherapy equipment that adopt this utility model embodiment to provide; Through being set, the rotation of cylinder cylinder drives the function that the collimator assembly rotation has realized that radiation unit is carried out complete cycle rotation arcing irradiation to focus; Through being provided with the collimator assembly of different size collimator, can realize penetrating of difference limit bundle and the right type requirement of source body to various clinical demands, and simple in structure; Simple to operation, improved therapeutic effect.
Description of drawings
Fig. 1 is the structural representation of collimator apparatus in this utility model prior art;
Fig. 2 is the structural representation of the unitary collimator apparatus of changeable ray limit bundle of this utility model;
Fig. 3 is a collimator assembly structural representation among the embodiment of this utility model;
Fig. 4 is a collimator assembly structural representation among another embodiment of this utility model;
Fig. 5 is an arc locating piece cross-sectional view among the embodiment of this utility model;
Fig. 6 is the unitary collimator apparatus work sketch map of changeable ray limit bundle of this utility model;
Fig. 7 is the collimator apparatus structural representation that has the arc multi-leaf optical grating of this utility model.
The specific embodiment
For the purpose, technical scheme and the advantage that make this utility model is clearer,, this utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation this utility model, and be not used in qualification this utility model.
Referring to shown in Figure 2, the unitary collimator apparatus of changeable ray limit bundle of this utility model comprises collimation body cylinder 1, collimator assembly 2 and balancing weight 3; Collimation body cylinder 1 is a cylindrical tube shape, can be around its axis rotation, and having a spatial accommodation in the middle of the collimation body cylinder 1 of cylindrical tube shape is treatment region; Can supply therapeutic bed to pass, when 1 rotation of collimation body cylinder, it is around therapeutic bed 360 degree complete cycle rotations; Collimator assembly 2 is fixedly installed on the collimation body cylinder 1, can rotate with collimation body cylinder 1.
The collimator assembly 2 that this utility model provides is tungsten alloy material.
Fig. 3 is a collimator assembly structural representation among the embodiment of this utility model; Comprise arc locating piece 21; Offer many group conical bores 211 on this arc locating piece 21, each aperture of organizing conical bore has nothing in common with each other, and the group number of conical bore 211 can design according to the requirement of actual beam; Be 3 groups in the present embodiment; The footpath that every group of 1 conical bore, the central axis of each conical bore are positioned at this arc locating piece 21 makes progress, and successively decreases to intrados 213 from the extrados 212 of arc locating piece 21 in its aperture.
Fig. 4 and Fig. 5 are collimator assembly structural representation among another embodiment of this utility model; Comprise arc step locating piece 21a and many group collimators 22; Many groups conical bore of offering on the arc step locating piece 21a is coaxial ladder taper hole 211a; The footpath that the central axis of this coaxial ladder taper hole 211a is positioned at this arc step locating piece 21a makes progress; Extrados 212 places near arc step locating piece 21a have large aperture taper hole 211a '; Form step between intrados 213 places near the arc locating piece have small-bore taper hole 211a "; this large aperture taper hole 211a ' and said small-bore taper hole 211a ", the collimator assembly of present embodiment can be installed in the many groups of coaxial ladder taper hole 211a on the arc step locating piece 21a according to the clinical many groups of needs design collimator 22 correspondences, and this collimator 22 is the coaxial circles cone; And offer co-axial with the coaxial circles cone, as to run through whole collimator 22 taper hole; The minor diameter cone of coaxial circles cone partly is a collimation piece 222, and the major diameter cone partly is a mounting blocks 221, and this collimation piece 222 places this arc step locating piece 21a to go up the small-bore taper hole 211a of coaxial ladder taper hole 211a " in; its external diameter and this small-bore taper hole 211a " internal diameter suitable; This mounting blocks 221 places this arc step locating piece 21a to go up in the large aperture taper hole 211a ' of coaxial ladder taper hole 211a, and offers on it and be used for this collimator 22 is fixed in the installing hole on this arc step locating piece 21a through screw, and the taper hole aperture of this collimator 22 can be designed as required.Further; Can the small-bore taper hole of the coaxial ladder taper hole on the arc step locating piece be made as three groups; Certainly not only be confined to three groups; It is in order to guarantee in the model process of switch collimators accurately coupling, to be unlikely to occurrence positions mistake when manual work is assembled that each aperture of organizing the small-bore taper hole has nothing in common with each other.
After collimator assembly and the fixed installation of collimator cylinder; A certain group of conical bore on the collimator assembly that the source of the penetrating body of ray aims at collimator apparatus is provided, referring to shown in Figure 6, during work; Ray penetrates, and injects the treatment region in the collimation body cylinder 1 behind the collimator limit bundle in being installed in this conical bore; In the time need carrying out complete cycle rotation arcing irradiation to the focus that is positioned at treatment region, penetrate source body 4 and rotate around the collimation body cylinder axis of collimator apparatus simultaneously with collimator apparatus, realize complete cycle rotation arcing irradiation to focus; When needs adjustment limit bundle, rotate collimator apparatus or penetrate source body 4, will penetrate source body 4 and change with the collimator apparatus relative position, penetrate source body 4 and aim at different conical bore on the collimator assembly, can realize the unitary switching of limit bundle.
Referring to shown in Figure 7, in another embodiment of the collimator apparatus that this utility model provides, this collimator assembly can be arc multi-leaf optical grating 2a; Arc multi-leaf optical grating 2a can be made up of blade and many group micro machines many; The longitudinal section of its blade can curvedly distribute for the design requirement of big launched field, is arranged in fan-shaped or the spherical crown shape, also can linearly distribute for the design requirement of little launched field; Be arranged in plane; The stroke of each blade of adjustment arc multi-leaf optical grating can reach conformal intensity modulated function, and cooperate the movement velocity of each blade can also realize dynamically transferring strong to form difform launched field.Therefore, when penetrating the rotation of source body and collimator apparatus, in rotation, constantly fit the shape adjustment, realized the dynamic arcing irradiation of limit beam function and complete cycle equally according to the blade of arc multi-leaf optical grating.
Referring to shown in Figure 2; Also be installed with the balancing weight 3 that is provided with in opposite directions with this collimator assembly 2 on the collimation body cylinder 1 of the collimator apparatus that this utility model provides; Make that collimation body device Mass Distribution is even, held stationary when rotating, simultaneously; Also can be when therapeutic state it be moved in advance and penetrate below the body of source, protect the radiation angle of sensitive organization to block need; This balancing weight 3 is provided with a platform; The plane of this platform is towards collimator assembly 2, can be below collimator apparatus be rotated to after, with the platform of this platform as the nuclear physics test; Through on platform, making various signs and frock; Can easily carry out the nuclear physics test, as placing 3 d water tank, centers such as verification etc.
This utility model also provides a kind of radiotherapy equipment; Comprise the unitary collimator apparatus of changeable ray limit bundle; The unitary collimator apparatus of changeable ray limit bundle in the present embodiment can adopt the unitary collimator apparatus of changeable ray limit bundle among the unitary collimator apparatus embodiment of this utility model changeable ray limit bundle; Its concrete structure can repeat no more at this referring to the record of this utility model changeable ray limit unitary collimator apparatus embodiment of bundle and accompanying drawing 1-Fig. 7.
Changeable ray limit unitary collimator apparatus of bundle and radiotherapy equipment that this utility model embodiment provides; Through being set, the rotation of cylinder cylinder drives the function that the collimator assembly rotation has realized that radiation unit is carried out complete cycle rotation arcing irradiation to focus; Through being provided with the collimator assembly of different size collimator, can realize penetrating of difference limit bundle and the right type requirement of source body to various clinical demands, and simple in structure; Simple to operation, improved therapeutic effect.
The above is merely the preferred embodiment of this utility model; Not in order to restriction this utility model; Any modification of being done within all spirit and principles at this utility model, be equal to replacement and improvement etc., all should be included within the protection domain of this utility model.
Claims (9)
1. a changeable ray limit is restrainted unitary collimator apparatus; It is characterized in that, comprise stretched cylinder surely, said collimation body cylinder is a cylindrical tube shape; Can be around its axis rotation; A collimator assembly that also comprises curved body, said collimator assembly are fixedly arranged on the said collimation body cylinder, can rotate with collimation body cylinder.
2. the unitary collimator apparatus of changeable ray limit bundle as claimed in claim 1; It is characterized in that; Said collimator assembly comprises an arc locating piece, offers many group conical bores on the said arc locating piece, and the aperture of said many group conical bores is respectively organized inequality; The footpath that the central axis of said each conical bore all is positioned at said arc locating piece makes progress, and successively decreases to intrados from the extrados of said arc locating piece in the aperture of said each conical bore.
3. the unitary collimator apparatus of changeable ray limit bundle as claimed in claim 2; It is characterized in that; Said conical bore is coaxial ladder taper hole; It has the large aperture taper hole at the extrados place near the arc locating piece, has the small-bore taper hole at the intrados place near the arc locating piece, forms step between said large aperture taper hole and the said small-bore taper hole.
4. the unitary collimator apparatus of changeable ray limit bundle as claimed in claim 3; It is characterized in that; Said collimator assembly also comprises many groups collimator that can corresponding be installed in the coaxial ladder taper hole of said many groups, and said collimator is the coaxial circles cone, and offers and the co-axial taper hole of said coaxial circles cone; The minor diameter cone of said coaxial circles cone partly is the collimation piece; The major diameter cone partly is a mounting blocks, and said collimation piece places in the small-bore taper hole of coaxial ladder taper hole on the said arc locating piece, and said mounting blocks places in the large aperture taper hole of coaxial ladder taper hole on the said arc locating piece.
5. the unitary collimator apparatus of changeable ray limit bundle as claimed in claim 2 is characterized in that, offers three groups of conical bores on the said arc locating piece.
6. like any unitary collimator apparatus of described changeable ray limit bundle of claim 2 to 5, it is characterized in that said collimator assembly material is a tungsten alloy.
7. the unitary collimator apparatus of changeable ray limit bundle as claimed in claim 1 is characterized in that said collimator assembly is the arc multi-leaf optical grating.
8. the unitary collimator apparatus of changeable ray limit bundle as claimed in claim 1; It is characterized in that; Also be provided with the balancing weight that is provided with in opposite directions with said collimator assembly on the said collimation body drum apparatus, said balancing weight has a platform, and the plane of said platform is towards said collimator assembly.
9. a radiotherapy equipment is characterized in that, comprises like the unitary collimator apparatus of each described changeable ray limit bundle of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220247050.6U CN202620505U (en) | 2012-05-29 | 2012-05-29 | Collimation device and radiotherapy equipment capable of switching ray beam limiting unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220247050.6U CN202620505U (en) | 2012-05-29 | 2012-05-29 | Collimation device and radiotherapy equipment capable of switching ray beam limiting unit |
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| CN202620505U true CN202620505U (en) | 2012-12-26 |
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| CN201220247050.6U Expired - Lifetime CN202620505U (en) | 2012-05-29 | 2012-05-29 | Collimation device and radiotherapy equipment capable of switching ray beam limiting unit |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014131173A1 (en) * | 2013-02-28 | 2014-09-04 | 深圳市奥沃医学新技术发展有限公司 | Collimator assemble of variable radiation field sizes and radiation apparatus of the assembly |
| 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 |
| CN104795121A (en) * | 2014-01-22 | 2015-07-22 | 上海联影医疗科技有限公司 | Split type primary collimator |
| WO2016155395A1 (en) * | 2015-04-03 | 2016-10-06 | 苏州雷泰医疗科技有限公司 | Radiation field control device and novel radiotherapy device |
| CN107367522A (en) * | 2017-09-11 | 2017-11-21 | 江苏天瑞仪器股份有限公司 | A kind of rotational structure for the more collimaters of X fluorescence spectrometer |
| CN107924730A (en) * | 2015-06-10 | 2018-04-17 | 反射医疗公司 | High bandwidth bifurcation multi-blade collimator designs |
| CN108364707A (en) * | 2018-03-20 | 2018-08-03 | 合肥美亚光电技术股份有限公司 | Ray collimator and ray radiation apparatus |
| CN108421174A (en) * | 2018-03-29 | 2018-08-21 | 张文山 | Novel radioactive source ray focusing collimator |
| CN108811295A (en) * | 2018-07-04 | 2018-11-13 | 中国原子能科学研究院 | Rotary used in a kind of cyclotron changes target drone structure |
| CN112684489A (en) * | 2021-01-05 | 2021-04-20 | 中国原子能科学研究院 | Heavy ion beam real-time monitoring device and irradiation test system |
| CN112885498A (en) * | 2021-01-30 | 2021-06-01 | 散裂中子源科学中心 | Collimator used for BNCT and convenient for changing shape and size of neutron extraction pore channel |
| US11975220B2 (en) | 2016-11-15 | 2024-05-07 | Reflexion Medical, Inc. | System for emission-guided high-energy photon delivery |
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2012
- 2012-05-29 CN CN201220247050.6U patent/CN202620505U/en not_active Expired - Lifetime
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104205240A (en) * | 2013-02-28 | 2014-12-10 | 深圳市奥沃医学新技术发展有限公司 | Collimator assemble of variable radiation field sizes and radiation apparatus of the assembly |
| WO2014131173A1 (en) * | 2013-02-28 | 2014-09-04 | 深圳市奥沃医学新技术发展有限公司 | Collimator assemble of variable radiation field sizes and radiation apparatus of the assembly |
| CN104795121A (en) * | 2014-01-22 | 2015-07-22 | 上海联影医疗科技有限公司 | Split type primary collimator |
| CN104795121B (en) * | 2014-01-22 | 2019-02-01 | 上海联影医疗科技有限公司 | Split type example of primary collimator |
| US10229766B2 (en) | 2015-04-03 | 2019-03-12 | Suzhou Linatech Medical Science And Technology Co., Ltd. | Radiation field control device and novel radiotherapy equipment |
| WO2016155395A1 (en) * | 2015-04-03 | 2016-10-06 | 苏州雷泰医疗科技有限公司 | Radiation field control device and novel radiotherapy device |
| CN107924730A (en) * | 2015-06-10 | 2018-04-17 | 反射医疗公司 | High bandwidth bifurcation multi-blade collimator designs |
| US11878185B2 (en) | 2015-06-10 | 2024-01-23 | Reflexion Medical, Inc. | High bandwidth binary multi-leaf collimator design |
| US11285340B2 (en) | 2015-06-10 | 2022-03-29 | Reflexion Medical, Inc. | High bandwidth binary multi-leaf collimator design |
| US11975220B2 (en) | 2016-11-15 | 2024-05-07 | Reflexion Medical, Inc. | System for emission-guided high-energy photon delivery |
| CN107367522A (en) * | 2017-09-11 | 2017-11-21 | 江苏天瑞仪器股份有限公司 | A kind of rotational structure for the more collimaters of X fluorescence spectrometer |
| CN107367522B (en) * | 2017-09-11 | 2020-05-15 | 江苏天瑞仪器股份有限公司 | Rotating structure for multiple collimators of X-ray fluorescence spectrometer |
| CN108364707B (en) * | 2018-03-20 | 2023-09-22 | 合肥美亚光电技术股份有限公司 | Ray collimator and ray radiation device |
| CN108364707A (en) * | 2018-03-20 | 2018-08-03 | 合肥美亚光电技术股份有限公司 | Ray collimator and ray radiation apparatus |
| CN108421174A (en) * | 2018-03-29 | 2018-08-21 | 张文山 | Novel radioactive source ray focusing collimator |
| CN108421174B (en) * | 2018-03-29 | 2024-03-19 | 上海伽玛星科技发展有限公司 | Novel radiation source ray focusing collimator |
| CN108811295B (en) * | 2018-07-04 | 2019-10-15 | 中国原子能科学研究院 | Target drone structure is rotatably changed used in a kind of cyclotron |
| CN108811295A (en) * | 2018-07-04 | 2018-11-13 | 中国原子能科学研究院 | Rotary used in a kind of cyclotron changes target drone structure |
| CN112684489A (en) * | 2021-01-05 | 2021-04-20 | 中国原子能科学研究院 | Heavy ion beam real-time monitoring device and irradiation test system |
| CN112885498A (en) * | 2021-01-30 | 2021-06-01 | 散裂中子源科学中心 | Collimator used for BNCT and convenient for changing shape and size of neutron extraction pore channel |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Patent of Shenzhen Aowo medical new technology development Co.,Ltd. The person in charge Document name: Notice of Patent Expiration and Termination |