WO2012041127A1 - 一种自聚焦放射源装置及其辐射装置 - Google Patents
一种自聚焦放射源装置及其辐射装置 Download PDFInfo
- Publication number
- WO2012041127A1 WO2012041127A1 PCT/CN2011/078452 CN2011078452W WO2012041127A1 WO 2012041127 A1 WO2012041127 A1 WO 2012041127A1 CN 2011078452 W CN2011078452 W CN 2011078452W WO 2012041127 A1 WO2012041127 A1 WO 2012041127A1
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- WIPO (PCT)
- Prior art keywords
- source
- radiation
- collimating
- holes
- self
- Prior art date
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Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K5/00—Irradiation devices
- G21K5/04—Irradiation devices with beam-forming means
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21G—CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES
- G21G4/00—Radioactive sources
- G21G4/04—Radioactive sources other than neutron sources
- G21G4/06—Radioactive sources other than neutron sources characterised by constructional features
- G21G4/08—Radioactive sources other than neutron sources characterised by constructional features specially adapted for medical application
-
- 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
- A61N5/1077—Beam delivery systems
- A61N5/1084—Beam delivery systems for delivering multiple intersecting beams at the same time, e.g. gamma knives
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
Definitions
- the present invention relates to a focused radiation therapy apparatus, and more particularly to a radiation source apparatus for a focused radiation therapy apparatus and a radiation apparatus therefor.
- Focused radiotherapy is the mainstream technology in the radiotherapy field.
- the radiotherapy performance of the focused radiotherapy equipment can be characterized by the following parameters: 1) the size of the penumbra formed by the radiation emitted by the radioactive source; 2) the utilization rate of the radioactive source; 3) Pepi (the ratio of the dose of radiation radiating on the lesion to the dose of radiation radiated on the skin); 4) the size of the source, the complexity of the structure; 5) the size of the focal diameter; 6) automation The level of the level.
- a good performance focused radiotherapy device should have a small penumbra, high radioactivity rate, high focal length, small focal diameter, small volume and cartridge structure, and automatic configuration. A high degree of treatment system.
- the number of radioactive source particles in the treatment head of most radiotherapy devices is from ten to several hundred, and the radioactive source particles are dispersed in the source cladding.
- the energy of the radiation emitted by the radiation source is not concentrated, which may affect the therapeutic effect; or the collimation hole is made larger, so that the minimum focal diameter is necessarily larger, resulting in some need for a small target point (small focus diameter)
- the irradiated lesion cannot be treated with the radiotherapy device, and the indication range of the radiotherapy device is narrowed.
- a small focal hole diameter is obtained, only the collimating hole can be made small, so that a considerable part of the radiation emitted by the radiation source cannot form an effective target dose through the collimating hole, so that the utilization rate of the radioactive source is greatly reduced.
- the target dose is also lowered, so that a better therapeutic effect is not achieved.
- the company has made the active area of the radioactive source in the radiotherapy device 1 mm in diameter, which can achieve greater utilization of the radioactive source, smaller focal diameter and smaller penumbra. But in order to achieve the above effect
- the number of particles in the source is as large as several hundred, which makes the structure extremely complicated, the processing is very difficult, the treatment head is large, the weight of the whole device is heavy, and hundreds of sources are sealed in hundreds of source envelopes. Transportation and installation are very cumbersome and costly.
- the problem to be solved by the present invention is to provide a self-focusing radiation source device and a radiation device to improve the utilization of the radiation source, and to have a smaller penumbra and a single-piece structure and a small volume.
- the present invention provides a self-focusing radiation source device, comprising: a source cladding; a source cladding includes a source; M radiation sources are arranged in the source, the source The rays of the M sources in the cladding are focused on a common focus, where M is a natural number greater than one.
- the radioactive sources are arranged in N groups, and the M radioactive sources are arranged in N groups, and the closest radio source center spacing in the group is not greater than the closest radio source center spacing between the groups, wherein N is greater than The natural number of 1.
- the source body is in a cylindrical shape, and the N sets of radiation sources are uniformly distributed on the end surface of the source body centering on the center of the end face.
- each set of radioactive sources is uniformly distributed around the center of the circle in an circumscribed circle.
- the present invention also provides a radiation device, including:
- a collimating device for collimating the radiation emitted by the self-focusing source.
- the collimating device has multiple sets of collimating holes with different aperture sizes, and the center line of the collimating holes is focused on a common focus; at least one set of the collimating holes has a number of M, and the distribution rule thereof Matching the distribution law of the M sources of the source body.
- the number of collimating holes in the collimating device is N, and the distribution law matches the distribution law of the N groups of radioactive sources.
- the present invention has the following advantages:
- the self-focusing radiation source device and the radiation device provided by the present invention since the self-focusing radiation source device uses a plurality of radiation sources sealed in one source cladding, and the radiation of the plurality of radiation sources is focused on the focus, not only the radiation source device
- the installation and transportation process are more compact and more convenient; and the volume of the self-focusing radioactive source device is greatly reduced, and the structural unit is single, so that the weight is also greatly reduced, thereby also greatly reducing the volume of the radiation device. , the weight is also greatly reduced.
- the radiation device includes a self-focusing radiation source device and a collimating device, wherein the collimating device is provided with a plurality of sets of collimating holes having different aperture sizes, and at least one of the collimating holes includes M collimating holes, and the distribution thereof
- the law is matched with the distribution law of the M source of the source body, the diameter of the collimating hole is small, a small focal diameter can be realized, and a smaller half can be obtained without reducing the utilization rate of the source.
- at least one of the collimating holes includes N collimating holes, the collimating holes have a large aperture, and the distribution law matches the distribution law of the N groups of radio sources, so that the diameters can be different.
- the focus is to achieve a smaller penumbra, and the utilization rate of the radioactive source is not greatly reduced.
- the coke ratio is increased, the number of radioactive sources is large, and in a radiation device of an equal number of radioactive sources, The volume of the radiation device is much smaller than that of the existing radiation device, and the structure is greatly tubular, which is more conducive to processing and manufacturing; from the perspective of the radiation device as a whole, the weight is greatly reduced, which is very advantageous for installation and movement. System, so that the angle of incidence is very flexible range of applications has been greatly expanded.
- FIG. 1 is a perspective structural view of a self-focusing radiation source according to an embodiment of the present invention
- Figure 2 is a plan view of the autofocus source of the embodiment of the present invention shown in Figure 1 on an end surface remote from the common focus;
- FIG. 3 is a schematic perspective view of a radiation device according to a specific embodiment of the present invention.
- the self-focusing radiation source and the radiation device provided by the invention have a plurality of radiation sources sealed in a source cladding because of the self-focusing radiation source, so that the source cladding is more simple and convenient during installation and transportation. Since most of the source devices contain a plurality of sources, each of the sources in the prior art is individually sealed in a source enclosure, so that multiple source enclosures are performed multiple times during installation and transportation. Moreover, the volume of the self-focusing radiation source is greatly reduced, and the structural unit is single, so that the weight is also greatly reduced. As a result, the volume of the radiation device is greatly reduced, the structure is simple, and the weight is greatly reduced.
- the radiation device includes a self-focusing radiation source and a collimating device, and the collimating device is provided with a plurality of sets of collimating holes having different aperture sizes, wherein at least one of the collimating holes with a small aperture includes M collimating holes
- the distribution law is matched with the distribution law of the M source of the source body to achieve a smaller focal diameter, and a smaller penumbra is obtained without reducing the utilization rate of the source; in addition, at least one group
- the collimating device with a larger aperture includes N collimating holes, and the distribution law thereof is matched with the distribution law of the N groups of radio sources, so that the focal points of different diameters can be realized, and a small penumbra can be realized, and Can make the utilization rate of the radioactive source not greatly reduced; in addition, because the coke ratio is to be increased,
- the number of sources is large (generally more than 100).
- the volume of the radiation device is much smaller than that of the existing radiation device, and the structure is greatly tubular, which is more conducive to processing and manufacturing; As a whole, the radiation device is greatly reduced in weight, which is very advantageous for installation and motion control, making the angle of incidence very flexible.
- a self-focusing radiation source device includes a source cladding; a source cladding includes a source body; M radiation sources are arranged in the source body, and the M is in the source cladding
- the radiation of one source is focused on a common focus, and the source can be placed in the source hole, the center line of the source hole is focused on the common focus (in the process of tumor radiotherapy, the lesion is placed at the common focus of the ray), so that M
- the rays of the source within the source are focused on a common focus, where M is a natural number greater than one.
- the self-focusing radiation source of the present invention includes: a source cladding 10 placed in a source cladding
- the source body 20 of 10 the source body 20 includes 154 source holes 22, and 154 radiation sources (i.e., M is 154) are respectively placed in 154 source holes 22, and the extension lines of the source holes 22 are focused on the common focus.
- the 154 source holes 22 are arranged in 22 groups (ie, N is 22), and the 154 radiation sources placed in the source holes 22 are also 22 groups are arranged (i.e., N is 22), and the closest source center spacing in the group is not greater than the closest source center spacing between the groups.
- the sources within the group are evenly distributed, ie The center distances of adjacent radioactive sources in the group are equal, and each group of radioactive sources is also hooked, that is, the center spacing of adjacent groups of radioactive sources is equal.
- the center spacing of the radioactive sources in the group is not Greater than or equal to the center of the source between the groups From the radiation source in the radiation source 154 0 rays focused at a common focus.
- the source of radiation placed in the source aperture is cobalt-60.
- the M radioactive sources are arranged in N groups, and the closest radio source center spacing in the group is not greater than the closest radio source center spacing between the groups, wherein N is a natural number greater than 1, such that
- the radiation sources are grouped and arranged, and when the self-focusing radiation source device is aligned with the collimating device, the grouped radiation sources can be used to form targets of different diameters, wherein the number of collimating holes of M is smaller than the number of collimating holes of N
- the aperture can form a small target, and the number N of collimated holes corresponds to the N sets of radiation sources, and the radiation emitted by each set of radiation sources can be emitted through a collimated hole to form a large target.
- the self-focusing source device of the present invention can greatly increase the focus dose and achieve a higher caroten ratio.
- the radiation source is placed in the source hole, so the distribution law of the source hole can represent the distribution law of the radiation source, so the distribution law of the source hole described below represents the source of the radiation source. Distribution.
- a source is distributed in each source hole.
- the number of source holes is not excluded from the number of sources, that is, the source is not placed in some source holes.
- the source body 20 has a cylindrical shape, and the 22 sets of source holes are uniformly distributed on the end surface of the source body 20 with the center of the end face as a center.
- the wall thickness between each source hole in each source hole of the source body 20 can be made thin, so that the volume of the source body can be greatly reduced, and the volume of the entire source body can be greatly reduced.
- the shape of the source body is a cylindrical shape, which is a preferred embodiment of the present invention.
- the shape of the source body is not limited to a cylindrical shape, and may be other shapes, such as a truncated cone shape.
- the source body 20 has 22 sets of source holes. 22, each group comprising seven source holes 22, a total of 154, this embodiment is a preferred embodiment of the invention.
- the number of sets of the source holes 22 of the source body 20 is not limited to 22 sets, and the number of the source holes 22 of each set is not limited to seven, the number of sets of the source holes 22, and each The number of source holes 22 is preferably such that the dose of radiation at the time of radiation therapy can be reached.
- the twenty-two sets of source holes are evenly distributed on the end face 23 of the source body 20 away from the common focus 0, a set of source holes 22 are distributed in the center of the end face, and six sets of inner rings are centered on the center of the end face.
- the source holes 22 and the outer ring are distributed with fifteen sets of source holes 22.
- each set of radiation sources is uniformly distributed around the center of the circle in an circumscribed circle, that is, each set of source holes 22 is included.
- the plurality of source holes 22 have a common circumscribed circle 21, and the plurality of source holes 22 are uniformly distributed around the center of the tangential circle 21, and a source hole 22 is also distributed at the center thereof, which is specific to the present invention as shown in the drawing. In the embodiment, six source holes 22 are distributed around the center of the circumscribed circle 21.
- the specific size of the source body, the pore distance of each source, and the size of the source of the present invention can be adjusted according to a plurality of factors such as the active area of the source, the specific activity, and the dose requirement of the treatment target area.
- the source body 20 has a diameter of 66.5 mm
- the circumscribed circle 21 has a diameter of 5.5 mm
- the source hole 22 has a diameter of l mm.
- the volume of the multi-source source device is much smaller than that of the prior art.
- the present invention also provides a radiation device
- the radiation device of the specific embodiment of the present invention will be described in detail with reference to the accompanying drawings.
- FIG. 3 is a perspective structural view of a radiation device according to a specific embodiment of the present invention, and a radiation device for a radiation therapy device according to an embodiment of the present invention, wherein the collimating device included is correspondingly improved according to the structure of the source body, and the present invention is
- the radiation device comprises: the self-focusing radiation source device described above, in the embodiment of the invention shown in FIG. 3, being a self-focusing radiation source device 100, the self-focusing radiation source device 100 comprising the source body embodied above 20; a collimating device 30 for collimating the radiation emitted by the source body 20.
- the collimating device 30 has a plurality of sets of collimating holes having different apertures, the center line of the collimating holes is focused on a common focus; at least one set of the collimating holes is M, and the distribution law and the source are The distribution law of the M radioactive sources of the body is matched.
- each set of collimating holes includes a plurality of collimating holes, wherein a center line of each set of collimating holes is focused on a common focus; in a specific embodiment of the present invention, a set of collimating holes having the smallest aperture includes There are 154 collimating holes, the distribution law of which matches the distribution law of 154 source holes of the source body 20, and the other group collimating holes include N collimating holes, in a specific embodiment of the present invention, The other group of collimating holes contains 22 collimating holes whose distribution rules match the distribution patterns of the 22 sets of source holes on the source body 20.
- the collimation device collimates the radiation emitted by the source.
- the collimation aperture of each set of collimation holes of the number M ( 154 ) is smaller than the collimation aperture of each set of collimation holes of the number N ( 22 ).
- the number of collimating holes in which the number of collimating holes is M is not limited to one, and may be plural, and is set according to actual application; a group of collimating holes having a number of collimating holes N The number is not limited to one, and may be plural.
- the collimating device 30 includes five sets of collimating holes, which are a first set of collimating holes 31, a second set of collimating holes 32, and a third set of collimating A hole 33, a fourth set of collimating holes 34, and a fifth set of collimating holes 35, wherein the center line of each set of collimating holes is focused on a common focus.
- the first set of collimating holes 31 has a minimum aperture, and includes 154 collimating holes, the distribution law of which matches the distribution law of the 154 source holes of the source body 20, and the first group of collimating holes 31 When aligned with the source aperture of the source body 20 of the self-focusing source, a minimum focus diameter can be achieved, which is suitable for a small lesion.
- the second group of collimating holes 32, the third group of collimating holes 33, the fourth group of collimating holes 34 and the fifth group of collimating holes 35 comprise 22 collimating holes, the distribution law of which is 22 on the source body 20.
- the distribution law of the group source holes is matched, which is suitable for diseases with large lesions.
- each set of collimating holes has different apertures, and in practice, a group of collimating holes collimating source 20 having a corresponding aperture may be selected according to the type of the lesion. Rays. It should be noted that the collimating hole of the collimating device 30 The number of groups can be arbitrarily set according to actual needs, and is not limited to five groups. The aperture of each group of collimating holes is also set according to actual needs. The number of collimating holes needs to be based on the number of source holes on the source body 20. Make the appropriate settings.
- the collimating device 30 is connectable to the self-focusing radioactive source 100 through the rotating member 40, so that the collimating device 30 and the self-focusing radioactive source 100 are relatively rotatable, thereby achieving the purpose of switching collimating holes of different apertures.
- the collimating device 30 has a cylindrical shape, which is a preferred embodiment of the present invention.
- shape of the collimating device is not limited to a cylindrical shape, and may be other shapes, such as a truncated cone. Shape, regular polyhedral column, etc.
- the self-focusing radiation source and the radiation device of the invention can improve the utilization rate of the radiation source; obtain a smaller penumbra, and the volume is greatly reduced compared with the prior art, and the weight is also greatly reduced; the focus with a smaller diameter can be retained, adapted to A variety of lesions of different size.
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Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/877,085 US20130240761A1 (en) | 2010-09-30 | 2011-08-16 | Self-focusing radioactive source device and radiating apparatus employing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010503147.4 | 2010-09-30 | ||
CN201010503147.4A CN102446571B (zh) | 2010-09-30 | 2010-09-30 | 一种自聚焦放射源装置及其辐射装置 |
Publications (1)
Publication Number | Publication Date |
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WO2012041127A1 true WO2012041127A1 (zh) | 2012-04-05 |
Family
ID=45891901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2011/078452 WO2012041127A1 (zh) | 2010-09-30 | 2011-08-16 | 一种自聚焦放射源装置及其辐射装置 |
Country Status (3)
Country | Link |
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US (1) | US20130240761A1 (zh) |
CN (1) | CN102446571B (zh) |
WO (1) | WO2012041127A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2984596C (en) | 2015-05-07 | 2020-11-10 | Illinois Tool Works Inc. | Strontium sealed source |
US11318326B2 (en) | 2015-05-07 | 2022-05-03 | Qsa Global Inc. | Strontium sealed source |
CN109481853B (zh) * | 2018-11-16 | 2020-10-30 | 胡逸民 | 一种用于x射线笔形束扫描调强治疗的蜂窝式准直器 |
Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0334040B2 (zh) * | 1980-01-11 | 1991-05-21 | Se Je Eeru Mebu | |
CN1087551A (zh) * | 1993-04-13 | 1994-06-08 | 宋世鹏 | 旋转锥面聚焦式伽玛射线辐射单元 |
CN1355055A (zh) * | 2000-11-24 | 2002-06-26 | 胡逸民 | X(γ)射线调强治疗装置 |
CN2543542Y (zh) * | 2002-04-04 | 2003-04-09 | 深圳市世纪互动实业发展有限公司 | 伽玛射线体部治疗装置 |
CN1448195A (zh) * | 2002-04-04 | 2003-10-15 | 深圳市世纪互动实业发展有限公司 | 伽玛射线体部治疗装置 |
CN2676951Y (zh) * | 2003-12-31 | 2005-02-09 | 深圳市尊瑞科技有限公司 | 放射治疗辐射装置 |
CN1586671A (zh) * | 2004-09-15 | 2005-03-02 | 杭州华源伽玛医疗设备投资有限公司 | 折线排列伽玛射线放射源 |
CN1634620A (zh) * | 2003-12-31 | 2005-07-06 | 深圳市尊瑞科技有限公司 | 放射治疗辐射装置及其辐射方法 |
CN2736015Y (zh) * | 2004-09-15 | 2005-10-26 | 杭州华源伽玛医疗设备投资有限公司 | 折线排列伽玛射线放射源 |
CN2772541Y (zh) * | 2005-03-03 | 2006-04-19 | 卢艳 | 一种伽玛射线放射治疗装置 |
CN2780247Y (zh) * | 2005-04-18 | 2006-05-17 | 定锦霞 | 伽玛射线治疗装置 |
CN2790509Y (zh) * | 2005-01-28 | 2006-06-28 | 惠小兵 | 一种放射治疗的辐射装置 |
CN1810320A (zh) * | 2005-01-28 | 2006-08-02 | 惠小兵 | 一种放射治疗装置 |
CN100998909A (zh) * | 2007-01-04 | 2007-07-18 | 吕风华 | 伽玛射线聚焦辐照单元 |
CN200994996Y (zh) * | 2007-01-04 | 2007-12-26 | 吕风华 | 伽玛射线聚焦辐照单元 |
CN101195058A (zh) * | 2007-11-27 | 2008-06-11 | 深圳市海博科技有限公司 | 多准直体放射治疗装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3889113A (en) * | 1973-05-03 | 1975-06-10 | Columbia Scient Ind Inc | Radioisotope-excited, energy-dispersive x-ray fluorescence apparatus |
US4651012A (en) * | 1985-03-21 | 1987-03-17 | Martin Marietta Corporation | High brilliance lensless projection system of test patterns |
JPH0549707A (ja) * | 1991-04-19 | 1993-03-02 | Hitachi Medical Corp | 定位法放射線治療装置 |
FR2706132B1 (fr) * | 1993-06-07 | 1995-09-01 | Atea | Dispositif de traitement de lésions cérébrales par rayonnement gamma, et appareil de traitement correspondant. |
IL118496A0 (en) * | 1996-05-30 | 1996-09-12 | Ein Gal Moshe | Collimators |
SE9803065L (sv) * | 1998-09-10 | 1999-10-11 | Elekta Ab | Förfarande för framställning av en strålknivskollimator och användning av en strålknivskollimator |
WO2000066223A1 (en) * | 1999-05-03 | 2000-11-09 | Franz Krispel | Rotating stereotactic treatment system |
CN1137739C (zh) * | 1999-05-31 | 2004-02-11 | 深圳市海博科技有限公司 | 多源放射线全身治疗装置 |
SE522710C2 (sv) * | 2002-07-05 | 2004-03-02 | Elekta Ab | Strålterapiapparat med flera uppsättningar hål i kollimatorringen där förskjutbara plattor bestämmer vilka håluppsättningar som strålkällorna ska använda, samt metod att variera strålfältet |
DE102005012059A1 (de) * | 2005-03-16 | 2006-09-21 | Heinrich-Heine-Universität Düsseldorf | Laserbestrahlter Hohlzylinder als Linse für Ionenstrahlen |
CN100574827C (zh) * | 2005-08-25 | 2009-12-30 | 深圳市海博科技有限公司 | 放射治疗装置 |
US7627090B2 (en) * | 2006-10-08 | 2009-12-01 | Yanxiong Qiu | Configuration of a medical radiotherapeutic instrument |
US9387342B2 (en) * | 2008-07-21 | 2016-07-12 | Varian Medical Systems, Inc. | External beam radiotherapy and imaging with radioactive isotope |
-
2010
- 2010-09-30 CN CN201010503147.4A patent/CN102446571B/zh not_active Expired - Fee Related
-
2011
- 2011-08-16 WO PCT/CN2011/078452 patent/WO2012041127A1/zh active Application Filing
- 2011-08-16 US US13/877,085 patent/US20130240761A1/en not_active Abandoned
Patent Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0334040B2 (zh) * | 1980-01-11 | 1991-05-21 | Se Je Eeru Mebu | |
CN1087551A (zh) * | 1993-04-13 | 1994-06-08 | 宋世鹏 | 旋转锥面聚焦式伽玛射线辐射单元 |
CN1355055A (zh) * | 2000-11-24 | 2002-06-26 | 胡逸民 | X(γ)射线调强治疗装置 |
CN2543542Y (zh) * | 2002-04-04 | 2003-04-09 | 深圳市世纪互动实业发展有限公司 | 伽玛射线体部治疗装置 |
CN1448195A (zh) * | 2002-04-04 | 2003-10-15 | 深圳市世纪互动实业发展有限公司 | 伽玛射线体部治疗装置 |
CN1634620A (zh) * | 2003-12-31 | 2005-07-06 | 深圳市尊瑞科技有限公司 | 放射治疗辐射装置及其辐射方法 |
CN2676951Y (zh) * | 2003-12-31 | 2005-02-09 | 深圳市尊瑞科技有限公司 | 放射治疗辐射装置 |
CN2736015Y (zh) * | 2004-09-15 | 2005-10-26 | 杭州华源伽玛医疗设备投资有限公司 | 折线排列伽玛射线放射源 |
CN1586671A (zh) * | 2004-09-15 | 2005-03-02 | 杭州华源伽玛医疗设备投资有限公司 | 折线排列伽玛射线放射源 |
CN2790509Y (zh) * | 2005-01-28 | 2006-06-28 | 惠小兵 | 一种放射治疗的辐射装置 |
CN1810320A (zh) * | 2005-01-28 | 2006-08-02 | 惠小兵 | 一种放射治疗装置 |
CN2772541Y (zh) * | 2005-03-03 | 2006-04-19 | 卢艳 | 一种伽玛射线放射治疗装置 |
CN2780247Y (zh) * | 2005-04-18 | 2006-05-17 | 定锦霞 | 伽玛射线治疗装置 |
CN100998909A (zh) * | 2007-01-04 | 2007-07-18 | 吕风华 | 伽玛射线聚焦辐照单元 |
CN200994996Y (zh) * | 2007-01-04 | 2007-12-26 | 吕风华 | 伽玛射线聚焦辐照单元 |
CN101195058A (zh) * | 2007-11-27 | 2008-06-11 | 深圳市海博科技有限公司 | 多准直体放射治疗装置 |
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CN102446571A (zh) | 2012-05-09 |
US20130240761A1 (en) | 2013-09-19 |
CN102446571B (zh) | 2014-03-05 |
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