CN1270326C - Cross arranged double row hole collimaator for radiotherapy device - Google Patents
Cross arranged double row hole collimaator for radiotherapy device Download PDFInfo
- Publication number
- CN1270326C CN1270326C CN 200410053003 CN200410053003A CN1270326C CN 1270326 C CN1270326 C CN 1270326C CN 200410053003 CN200410053003 CN 200410053003 CN 200410053003 A CN200410053003 A CN 200410053003A CN 1270326 C CN1270326 C CN 1270326C
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- CN
- China
- Prior art keywords
- collimating
- holes
- collimator
- row
- hole
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- Expired - Fee Related
Links
- 238000001959 radiotherapy Methods 0.000 title claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000002285 radioactive effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Landscapes
- Radiation-Therapy Devices (AREA)
Abstract
The present invention discloses a collimator with double rows of holes across ranged for a radiotherapy device. Seventeen focusing type tapered through holes are processed on the upper and the lower end surfaces of the collimator, and the front and the rear rows of holes on the collimator present equidistant cross linear arrangement in the longitudinal direction; the central lines of two adjacent holes in cross arrangement forms an angle of 1.875 DEG; nine collimating holes in the front row are distributed into a fan shape, and the maximum included angle between the central lines of the collimating holes is 30 DEG; eight collimating holes in the rear row are distributed into a fan shape, and the maximum included angle between the central lines of the collimating holes is 26.25 DEG; the included angle between transverse projections of two hole central lines of the collimating hole in the front row and the collimating holes in the rear row is 10 DEG, and all the collimating holes in fanlike distribution are focused at the same focal point. The plate type collimator with double rows of holes has a flat plate structure, so the collimator has the advantages of small size and light weight; the collimator can be accurately positioned when put in because of a positioning slot, and the collimator can be conveniently and rapidly taken out or put in because of a handgrip plane; the focused type collimating holes of the collimator can be processed into holes with different specifications, forming targets in different sizes.
Description
Technical field
The present invention relates to radiotheraphy device, relate in particular to a kind of double hole of cross arrangement collimating apparatus of radiotherapy apparatus.
Background technology
The collimating apparatus of existing radiotherapy apparatus is semisphere, barrel-shaped, piece shape structure, and volume is big, Heavy Weight.Radiotherapy apparatus will enlarge therapeutic domain, improve result of treatment, must accomplish big treatment space, big range of movement, so collimating apparatus self must miniaturization.Adopt board-like double hole collimating apparatus just can reach this purpose.
Summary of the invention
For big, the Heavy Weight of collimating apparatus volume that overcomes existing radiotherapy apparatus, the object of the present invention is to provide a kind of double hole of cross arrangement collimating apparatus of radiotherapy apparatus.
The technical solution adopted for the present invention to solve the technical problems is:
On the upper and lower end face of board-like double hole collimating apparatus, be processed with 17 focusing conical through-holes, front and back two rounds vertically are equidistant cross linear in collimating apparatus and arrange, the angle of the center line of the adjacent holes of two cross arrangements is 1.875 °, front-seat collimating aperture is 9 and is fan-shaped distribution, the angle of front-seat collimating aperture center of maximum line is 30 °, back row's collimating aperture is 8 and is fan-shaped distribution, row's collimating aperture center of maximum wire clamp angle, back is 26.25 °, the transverse projection angle of front-seat collimating aperture and back row's collimating aperture two round center lines is 10 °, and is preceding, the back fan-shaped distribution of all collimating apertures of row focuses on same focus.
The leading flank of board-like double hole collimating apparatus has locating slot, and there is the handgrip plane for the square hole of grapple insertion and grapple extracting at the two ends of board-like double hole collimating apparatus.
The present invention compares with background technology, and the useful effect that has is:
1. board-like double hole collimating apparatus is a slab construction, can accomplish after the processing that volume is little, in light weight, is convenient to during use automatically, changes fast;
2. be processed with 17 focusing conical through-holes on the collimating apparatus of board-like double hole, two row's line spread before and after becoming.Two round position cross arrangements, and fan-shaped distribution focuses on same focus;
3. accurately located when the locating slot of board-like double hole collimating apparatus is packed collimating apparatus into, the handgrip plane can be taken out and pack into collimating apparatus easily and fast;
4. the focusing collimating aperture of board-like double hole collimating apparatus can be processed into different specifications, forms the target spot that varies in size, and uses for the focus of the different sizes of treatment.
Description of drawings
Fig. 1 is the vertical view of board-like double hole collimating apparatus;
Fig. 2 is the A-A-A-A-A-A-A-A echelon sectional view of the board-like double hole of Fig. 1 collimating apparatus;
Fig. 3 is the B-B-B-B echelon sectional view of Fig. 1.
Among the figure: 1. collimating apparatus, 2. front-seat collimating aperture, 3. back row's collimating aperture, 4. radioactive source, 5. focus, 6. locating slot, 7. square hole, 8. handgrip plane.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As Fig. 1～shown in Figure 3, board-like double hole collimating apparatus adopts tungsten 95 materials processings to go out the focusing collimating aperture of different size, on the upper and lower end face, be processed with 17 conical through-holes, front and back two rounds vertically are equidistant cross linear in collimating apparatus and arrange, the angle of the center line of the adjacent holes of two cross arrangements is 1.875 °, front-seat collimating aperture 2 is 9 and is fan-shaped distribution, the angle of front-seat collimating aperture 2 center of maximum lines is 30 °, back row's collimating aperture 3 is 8 and is fan-shaped distribution, row's collimating aperture 3 center of maximum wire clamp angles, back are 26.25 °, the transverse projection angle of two round center lines of front-seat collimating aperture 2 and back row's collimating aperture 3 is 10 °, and is preceding, back all collimating aperture sector focusings of row are in same focus 5.
The leading flank of board-like double hole collimating apparatus has locating slot 6, and there is the handgrip plane 8 for the square hole 7 of grapple insertion and grapple extracting at the two ends of board-like double hole collimating apparatus.
During work, radioactive source 4 is installed above the collimating apparatus 1, radioactive source quantity is consistent with focusing collimation hole count, radioactive source center line and collimating aperture central lines, and 4 of radioactive sources have been expressed one among Fig. 2.
Need be when mounting groove take out collimating apparatus, two special-purpose grapples insert from the square hole 7 at collimating apparatus 1 two ends, arrive the inwardly extruding of 8 backs, handgrip plane, and grapple hooks handgrip plane 8 and upwards takes out collimating apparatus 1.
In the time of need packing collimating apparatus into mounting groove, grapple hooks the handgrip plane 8 of collimating apparatus 1, makes the convex locating slot of the spill locating slot 6 aligning mounting grooves of collimating apparatus leading flank central authorities, and front and back sides pastes firm mounting groove plane, utilizes deadweight slowly collimating apparatus to be packed into.
The present invention has only illustrated the structure of a kind of board-like double hole collimating apparatus, but the collimating apparatuss of making the above many rows cross arrangement hole of three rows all are in protection scope of the present invention.
Claims (2)
1. the double hole of the cross arrangement of radiotherapy apparatus collimating apparatus, it is characterized in that: on the upper and lower end face of board-like double hole collimating apparatus (1), be processed with 17 focusing conical through-holes, front and back two rounds vertically are equidistant cross linear in collimating apparatus and arrange, the angle of the center line of the adjacent holes of two cross arrangements is 1.875 °, front-seat collimating aperture (2) is 9 and is fan-shaped distribution, the angle of front-seat collimating aperture (2) center of maximum line is 30 °, back row's collimating aperture (3) is 8 and is fan-shaped distribution, row's collimating aperture (3) center of maximum wire clamp angle, back is 26.25 °, the transverse projection angle of front-seat collimating aperture (2) and back row's collimating aperture (3) two round center lines is 10 °, and is preceding, the back fan-shaped distribution of all collimating apertures of row focuses on same focus (5).
2. the double hole of the cross arrangement of a kind of radiotherapy apparatus according to claim 1 collimating apparatus, it is characterized in that: the leading flank of board-like double hole collimating apparatus has locating slot (6), and there is the handgrip plane (8) for the square hole (7) of grapple insertion and grapple extracting at the two ends of board-like double hole collimating apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410053003 CN1270326C (en) | 2004-07-15 | 2004-07-15 | Cross arranged double row hole collimaator for radiotherapy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410053003 CN1270326C (en) | 2004-07-15 | 2004-07-15 | Cross arranged double row hole collimaator for radiotherapy device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1588560A CN1588560A (en) | 2005-03-02 |
| CN1270326C true CN1270326C (en) | 2006-08-16 |
Family
ID=34602695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410053003 Expired - Fee Related CN1270326C (en) | 2004-07-15 | 2004-07-15 | Cross arranged double row hole collimaator for radiotherapy device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1270326C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2012036160A1 (en) * | 2010-09-14 | 2014-02-03 | 株式会社東芝 | Mo collimator and X-ray detector, X-ray inspection apparatus and CT apparatus using the same |
| WO2017219291A1 (en) * | 2016-06-22 | 2017-12-28 | 深圳市奥沃医学新技术发展有限公司 | Collimator, therapeutic head and radiotherapy apparatus |
| US10281414B2 (en) * | 2016-12-01 | 2019-05-07 | Malvern Panalytical B.V. | Conical collimator for X-ray measurements |
| DE102017202312B4 (en) * | 2017-02-14 | 2018-10-04 | Siemens Healthcare Gmbh | Method for producing an X-ray scattered radiation grid |
| CN113082559B (en) * | 2018-08-24 | 2023-07-18 | 西安大医集团股份有限公司 | Source carrying body, collimation body, source device and radiation therapy system |
| CN109738439B (en) * | 2019-01-02 | 2021-04-13 | 中国工程物理研究院材料研究所 | Solid angle differential imaging collimator and application thereof |
| CN110779506B (en) * | 2019-12-10 | 2025-03-28 | 中国船舶重工集团公司第七0三研究所 | A dual-probe four-laser beam focus positioning device |
-
2004
- 2004-07-15 CN CN 200410053003 patent/CN1270326C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1588560A (en) | 2005-03-02 |
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