CN2897306Y - Radiative device for radiation treating system - Google Patents
Radiative device for radiation treating system Download PDFInfo
- Publication number
- CN2897306Y CN2897306Y CN 200620055735 CN200620055735U CN2897306Y CN 2897306 Y CN2897306 Y CN 2897306Y CN 200620055735 CN200620055735 CN 200620055735 CN 200620055735 U CN200620055735 U CN 200620055735U CN 2897306 Y CN2897306 Y CN 2897306Y
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- China
- Prior art keywords
- source
- source body
- collimation
- rotary ring
- radiation
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- Expired - Lifetime
Links
- 230000005855 radiation Effects 0.000 title claims abstract description 52
- 238000001959 radiotherapy Methods 0.000 claims abstract description 25
- 230000002285 radioactive effect Effects 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002356 single layer Substances 0.000 abstract description 3
- 230000005251 gamma ray Effects 0.000 abstract description 2
- 238000003745 diagnosis Methods 0.000 description 14
- 230000001225 therapeutic effect Effects 0.000 description 13
- 238000009826 distribution Methods 0.000 description 4
- 238000002560 therapeutic procedure Methods 0.000 description 4
- 230000000153 supplemental effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Radiation-Therapy Devices (AREA)
Abstract
The utility model relates to a radiation device used for gamma-ray rotating focusing radiation therapy system, which comprises a rack, a returning ring arranged on the rack, and a source body and a collimation body that can respectively rotate around rotary axis. A plurality of radiation sources are arranged in the source body. Beam channels corresponding to the radiation sources are arranged in the collimation body. The radiation sources are focused on the radioactive focus of the rotary axis by the beam channels. The rack is connected with one end of the source body and the returning ring is connected with the other end. The source body is connected with one end of the collimation body and the returning ring is connected with the other end. The structure of the single layer and double support for the source body and collimation body of the utility model expands the treatment space, reduces the manufacturing cost and manufacturing difficulties of the equipment, simplifies the mechanical structure, improves the supporting rigidity of the source body and collimation body, makes the source body and collimation body lastingly and coaxially rotate, guarantees the positioning accuracy of the focusing center in the treatment system, and realizes the accurate radiotherapy and improves the effect of radiotherapy treatment.
Description
Technical field
This utility model relates to a kind of radiating medical equipment, relates in particular to a kind of radiotherapy unit that is used for the gamma ray rotating focus.
Background technology
Using radiotherapy unit to carry out in the radiotherapy; adopt the operation principle of rotating focus that patient's focus is turned round irradiation; make near the lesion tissue of rotation accumulation be subjected to the irradiation of maximal dose; health tissues is subjected to irradiation instantaneous, tolerance dose; thereby kill focus, protect perilesional health tissues, reach radiocurable purpose.The Chinese patent publication number is that the multi-source radiation ray whole body therapeutic apparatus of CN 1275410 discloses a kind of radiotherapy unit, and this device comprises: the source body, with the fixed source of source bulk phase body rotary ring, collimation body, with collimation bulk phase fixed collimation body rotary ring, rotating stand, be fixed on the rotating support ring in the rotating stand.Wherein, between rotating support ring and the source body rotary ring, be respectively equipped with a plurality of rolling bearings between source body rotary ring and the collimation body rotary ring, form being rotatably assorted of axial location.Source body and collimation body can be respectively around same axis of rotation rotations, the a plurality of radioactive sources that distribute in the body of source are by source body and the intravital radiation paths of collimation, focusing is radiated on the public focus of axis of rotation, the collimation body is provided with the collimator in different apertures, the identical collimator in aperture is one group, the regularity of distribution of each group collimator is identical with the regularity of distribution of source body internal source, intravital radioactive source in source and radiation paths radial distribution thereof are in the sector region of an angular range less than 90 degree, axial distribution is in the sector region of an angular range less than 60 degree, the interior radius of gyration of collimation body is 56 centimetres less than the human body width, and the diameter of collimation body rotary ring is one meter.
Be provided with rotating support ring in the rotating stand of said apparatus, source body rotary ring, collimation body rotary ring, its shortcoming is that three rotary rings of inlaying suit have dwindled the treatment space, reduced the revolution range of collimation body, device fabrication difficulty and manufacturing cost have been increased, the two ends of source body and collimation body are connected on the rotating stand by rotary ring, the minimum diameter of rotary ring is one meter, because the rotary ring of source body and collimation body is bigger, the manufacturing process complexity, in beam of radiation rotating focus process, influence the precision of source body and the coaxial rotation of collimation body, thereby influenced the focusing accuracy of radioactive source beam, reduced radiocurable effect.
Summary of the invention
The purpose of this utility model provides a kind of radiation appliance of radiotherapy system, and its technical problem that will solve is to enlarge the treatment space, reduces manufacture difficulty and manufacturing cost, improves the radiotherapy precision.
For achieving the above object this utility model by the following technical solutions: a kind of radiation appliance of radiotherapy system, comprise: frame, be located at rotary ring on the frame, can be respectively around source body and collimation body that rotation axis rotates, be provided with a plurality of radioactive sources in the body of source, be provided with and the corresponding radiation channel of radioactive source in the collimation body, radioactive source focuses on radiation focus point on the rotation axis by radiation channel, one end of source body is connected with frame, the other end is connected with rotary ring, one end of collimation body is connected with the source body, and the other end is connected with rotary ring.
One end of source body is connected with frame is removable, and the other end is fixed on the body rotary ring of source; One end of collimation body is connected with the source body is removable, and the other end is fixed on the collimation body rotary ring; Source body rotary ring overlaps with the rotation axis of collimation body rotary ring.
One end of source body is provided with annulus, the other end is provided with arc bump or arc groove, and frame is provided with rotor, and the outer surface of this rotor and the outer surface of annulus join, one end of collimation body is provided with slide block, and this slide block and described arc bump or arc groove are slidingly matched.
Source body rotary ring and the both sides that collimate body rotary ring coaxial arrangement radiation focus point on rotation axis; Rotary ring is provided with gear, and gear is connected with power-driven mechanism.
This utility model compared with prior art, the two ends of source body are connected with rotary ring, frame respectively, the two ends of collimation body are connected with rotary ring, source body respectively, the structure of two rotary rings, dual-gripper is compared in the structure of monolayer of the present utility model, dual-gripper and the prior art, increased the intra-annular scope of revolution, enlarge the moving range of rotary ring internal therapy bed during treatment, enlarged the treatment space, reduced the manufacturing cost and the manufacture difficulty of equipment; Because an end of source body is connected with frame, one end of collimation body is connected with the source body, simplified frame for movement, reduced material, alleviated weight, source body and collimation body one end fixed support, the mode of other end supplemental support has improved the rigidity of support of source body with the collimation body, manufacturing process is more simple and reliable, assurance source body and collimation body are smooth and easy, stably coaxial rotation makes source body internal source beam by after collimating intravital radiation channel, and the radioactive source beam-focusing is accurate, guarantee the stability that focusing center's dosage field distributes, and the positional precision of focusing center in therapy system, realize precise radiotherapy, improve radiocurable effect.
Description of drawings
Fig. 1 is the overall structure sketch map of this utility model therapeutic state.
Fig. 2 is the cutaway view of Fig. 1.
Fig. 3 is the overall structure sketch map of this utility model image formation state.
1. radiation focus point among the figure, 2. rotation axis, 3. frame, 4. therapeutic bed, 10. source body, 11. treating radiation sources, 12. source body rotary rings, 13. rotors, 14. the source casket, 15. annulus, 20. collimation bodies, 21. collimators, 22. collimation body rotary ring, 23. arc-shaped guide rails, 24. slide blocks, 30. diagnosis radiation sourcies, 31. detector, 32. leverages, 100. source body drives, 101. source body driving member, 200. collimation body drives, 201. collimation body driving members.
The specific embodiment
Embodiment is described in further detail this utility model below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2 and shown in Figure 3, radiation appliance at this utility model radiotherapy system comprises: fixed frame 3, be located at the rotary ring 12 of frame both sides, 22, the source body 10 and the collimation body 20 that can rotate around rotation axis 2 respectively, be provided with source casket 14 in the source body 10, be loaded with a plurality of radioactive sources in the source casket 14, be provided with many groups and the corresponding collimator 21 of radioactive source in the collimation body 20, the inner chamber of collimator 21 forms radiation channel, radioactive source focuses on radiation focus point 1 on the rotation axis 2 by radiation channel, one end of source body 10 is fixed on the source body rotary ring 12, on the end face of source body 10 stiff ends, be provided with arc-shaped guide rail 23 or groove, the other end is provided with annulus 15, the below that is positioned at body 10 annulus 15 in source on the frame 3 is provided with the rotor 13 that at least one can free rotation, adopt two roller rotors 13 in the present embodiment, the outer surface of the outer surface of this rotor 13 and annulus 15 joins, rotor 13 plays the supplemental support effect by an end of 15 pairs of source bodies 10 of annulus, one end of collimation body 20 is fixed on the collimation body rotary ring 22, the other end is provided with slide block 24, and arc-shaped guide rail 23 or groove on this slide block 24 and the source body 10 are slidingly matched; Source body rotary ring 12 and the both sides that collimate body rotary ring 22 coaxial arrangement radiation focus point 1 on rotation axis 2, its rotation axis 2 overlaps, rotary ring is provided with external gear, external gear on the source body rotary ring 12 is connected with source body drive 100 on being fixed on frame 3 by source body driving member 101, external gear on the collimation body rotary ring 22 is connected by the collimation body drive 200 on collimating body driving member 201 and being fixed on frame 3, be respectively equipped with rolling bearing between source body rotary ring 12 and collimation body rotary ring 22 and the frame 3, form being rotatably assorted of axial location; Therapeutic bed 4 passes source body rotary ring 12 and collimation body rotary ring 22 along the direction of rotation axis 2.
In this utility model the two ends of source body 10 respectively with rotary ring 12, frame 3 connects, the collimation body 20 two ends respectively with rotary ring 22, source body 10 connects, this single layer structure, increased the intra-annular scope of revolution, enlarged the moving range of rotary ring internal therapy bed during treatment, enlarged the treatment space, simplified frame for movement, reduced material, alleviated weight, source body 10 and collimation body 20 1 end fixed supports, the mode of other end supplemental support, improved the rigidity of support of source body 10 and collimation body 20, reduced the manufacturing cost and the manufacture difficulty of equipment, manufacturing process is more simple and reliable, guarantees that source body 10 and collimation body 20 are smooth and easy, stably coaxial rotation, after making body 10 internal source beams in source by the radiation channel in the collimation body 20, the radioactive source beam-focusing is accurate, guarantees the stability that focusing center's dosage field distributes, and the positional precision of focusing center in therapy system, realize precise radiotherapy, improve radiocurable effect.
Radiotherapy system also comprises diagnostic imaging system, and this imaging system comprises: diagnosis radiation source 30, detector 31, data handling system; Diagnosis radiation source 30 is isotope radioactive sources, also be cobalt 60 radioactive sources of low-activity, diagnosis radiation source 30 is installed in the source casket 14 on the source body 10, and make diagnosis radiation source 31 be in the central authorities of source body 10, detector 31 is connected on the source body rotary ring 12 by leverage 32, diagnosis radiation source 30 in detector 31 and the source body 10 is along rotary ring 12 positioned opposite radially, detector 31 can move to along the beam direction of diagnosis radiation source 30 near the diagnosis position of therapeutic bed 4 or away from the treatment position of therapeutic bed 4, and the driving by source body drive 100, together do stepping rotation or rotation continuously with source body 10 around rotation axis 2; Diagnosis radiation source 30 also can be installed in collimation body 20 central authorities, detector 31 is connected on the collimation body rotary ring 22 by leverage 32 simultaneously, and by collimating the driving of body drive 200, together do stepping rotation or rotation continuously with collimation body 20 around rotation axis 2, diagnosis radiation source 30 in detector 31 and the collimation body 20 is along rotary ring 22 positioned opposite radially, and moves near the diagnosis position of therapeutic bed 4 or away from the treatment position of therapeutic bed 4 along the beam direction of diagnosis radiation source 30 by rotary ring upper lever mechanism 32.
As illustrated in fig. 1 and 2, when radiotherapy system is in therapeutic state, collimation body drive 200 drives collimation body rotary ring 22 by collimation body driving member 201 and rotates around rotation axis 2, collimation body 20 rotates an angle with respect to source body 10, make the treating radiation source 11 in one group of collimator, the 21 corresponding source bodies 10 in the collimation body 20 that is fixed on the collimation body rotary ring 22, the radiation channel that beam in the treating radiation source 11 forms by collimator 21 focuses on the radiation focus point 1 on the rotation axis 2, and pass patient on the therapeutic bed 4, irradiation is on detector 31, detector 31 is in treatment position away from therapeutic bed 4 by being connected leverage 32 on the rotary ring 12, driving by source body drive 100 and collimation body drive 200 makes source body 10, collimation body 20, detector 31 together rotates continuously around rotation axis 2.
As shown in Figure 3, when radiotherapy system is in image formation state, the cylindrical single photon diagnosis radiation source 30 of source body 10 central authorities, a collimator bore passages by collimation body 20 central authorities, pass the patient on the therapeutic bed 4, irradiation is on detector 31, detector 31 is in diagnosis position near therapeutic bed 4 by being connected leverage 32 on the rotary ring 12, by the driving of source body drive 100 and collimation body drive 200, make source body 10, collimation body 20, detector 31 together do stepping and rotate around rotation axis 2.
Claims (8)
1. the radiation appliance of a radiotherapy system, comprise: frame (3), be located at the rotary ring (12 on the frame (3), 22), the source body (10) and the collimation body (20) that can rotate around rotation axis (2) respectively, the source body is provided with a plurality of radioactive sources in (10), be provided with and the corresponding radiation channel of radioactive source in the collimation body (20), radioactive source focuses on radiation focus point (1) on the rotation axis (2) by radiation channel, one end of described source body (10) is connected with frame (3), the other end is connected with rotary ring (12), it is characterized in that: an end of described collimation body (20) is connected with source body (10), and the other end is connected with rotary ring (22).
2. the radiation appliance of radiotherapy system according to claim 1, it is characterized in that: an end of described source body (10) and removable connection of frame (3), the other end are fixed on the source body rotary ring (12); One end of described collimation body (20) and removable connection of source body (10), the other end are fixed on the collimation body rotary ring (22); Source body rotary ring (12) overlaps with the rotation axis (2) of collimation body rotary ring (22).
3. the radiation appliance of radiotherapy system according to claim 1 and 2, it is characterized in that: an end of described source body (10) is provided with annulus (15), this annulus (15) and removable connection of frame (3), the other end of source body (10) are fixed on the source body rotary ring (12); One end of described collimation body (20) is provided with slide block (24), this slide block (24) and removable connection of source body (10), and the other end of collimation body (20) is fixed on the rotary ring (22); Source body rotary ring (12) overlaps with the rotation axis (2) of collimation body rotary ring (22).
4. the radiation appliance of radiotherapy system according to claim 3, it is characterized in that: an end of described source body (10) is provided with annulus (15), the other end is provided with arc bump (23), described frame (3) is provided with rotor (13), the outer surface of outer surface of this rotor (13) and described annulus (15) joins, one end of described collimation body (20) is provided with slide block (24), and this slide block (24) is slidingly matched with described arc bump (23).
5. the radiation appliance of radiotherapy system according to claim 3, it is characterized in that: an end of described source body (10) is provided with annulus (15), the other end is provided with arc groove, described frame (3) is provided with rotor (13), the outer surface of outer surface of this rotor (13) and described annulus (15) joins, one end of described collimation body (20) is provided with slide block (24), and this slide block (24) is slidingly matched with described arc groove.
6. the radiation appliance of radiotherapy system according to claim 4, it is characterized in that: an end of described source body (10) is provided with arc bump (23), this arc bump is arc-shaped guide rail (23), and be positioned at the end face of source body (10), one end of described collimation body (20) is provided with slide block (24), and this slide block (24) is slidingly matched with described arc-shaped guide rail.
7. the radiation appliance of radiotherapy system according to claim 1 and 2 is characterized in that: described source body rotary ring (12) and collimation body rotary ring (22) coaxial arrangement go up radiation focus point (1) at rotation axis (2) both sides.
8. the radiation appliance of radiotherapy system according to claim 1 and 2, it is characterized in that: described rotary ring (12,22) is provided with gear, and gear is connected with power-driven mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620055735 CN2897306Y (en) | 2006-03-06 | 2006-03-06 | Radiative device for radiation treating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620055735 CN2897306Y (en) | 2006-03-06 | 2006-03-06 | Radiative device for radiation treating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2897306Y true CN2897306Y (en) | 2007-05-09 |
Family
ID=38072649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620055735 Expired - Lifetime CN2897306Y (en) | 2006-03-06 | 2006-03-06 | Radiative device for radiation treating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2897306Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280252A (en) * | 2013-05-29 | 2013-09-04 | 西安一体医疗科技有限公司 | Radioactive ray focus adjusting device |
-
2006
- 2006-03-06 CN CN 200620055735 patent/CN2897306Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280252A (en) * | 2013-05-29 | 2013-09-04 | 西安一体医疗科技有限公司 | Radioactive ray focus adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CITY HAIBO SCIENCE CO., LTD. Free format text: FORMER OWNER: HUI XIAOBING Effective date: 20070928 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070928 Address after: 518038 Guangdong Province, Shenzhen Futian Free Trade Zone Jinhua Road Yingdali Digital Park B block, room 507 Patentee after: Haibo Technology Co., Ltd. Shenzhen Address before: 518038 Guangdong Province, Shenzhen Futian Free Trade Zone Jinhua Road Yingdali Digital Park B block, room 507 Patentee before: Hui Xiaobing |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 518057 Guangdong city of Shenzhen province Nanshan District South Road No. 14 building seven Huiheng A zone 3 Patentee after: Haibo Technology Co., Ltd. Shenzhen Address before: 518038 Guangdong Province, Shenzhen Futian Free Trade Zone Jinhua Road Yingdali Digital Park B block, room 507 Patentee before: Haibo Technology Co., Ltd. Shenzhen |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070509 |
|
| EXPY | Termination of patent right or utility model |