CN101732802B - Manufacturing and using method of conformal intensity-modulation lead mold - Google Patents
Manufacturing and using method of conformal intensity-modulation lead mold Download PDFInfo
- Publication number
- CN101732802B CN101732802B CN2008102175556A CN200810217555A CN101732802B CN 101732802 B CN101732802 B CN 101732802B CN 2008102175556 A CN2008102175556 A CN 2008102175556A CN 200810217555 A CN200810217555 A CN 200810217555A CN 101732802 B CN101732802 B CN 101732802B
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- main shaft
- foam
- electric main
- formpiston
- installing frame
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Abstract
The invention relates to a manufacturing and application method of a conformal intensity-modulation lead mold, which is realized in a way that: a milling cutter (2) is driven by an electric main shaft (1) to engrave a conformal male mold (5) or intensity-modulation male mold (6) on foam plastics (4) in the foam plastic mounting frame (3), wherein the electric main shaft (1) can swing in a back-and-forth way and a left-to-right way and move up and down along the axial lead of the electric main shaft; the electric main shaft (1) and the central spindle of the milling cutter (2) penetrate through the swing ball center of the electric main shaft (1); the perpendicular line penetrating through the swing ball center of the electric main shaft (1) penetrates through the center of the foam plastic mounting frame (3); and the distance between the swing ball center of the electric main shaft (1) and the bottom surface of the foam plastic mounting frame (3) is equal to that between the radiationsource point of the medical linear accelerator and the bottom surface of the foam plastic mounting frame (3) when the foam plastic mounting frame (3) is mounted on the medical linear accelerator. Theinvention solves the problems of complexity, big error and existence of transmission penumbra in the process for manufacturing and applying the lead mold.
Description
Technical field:
The invention belongs to field of radiation therapy, relate to lead stamp.
Prior art:
Existing conformal lead mould manufacturing technology mainly is to use the heated filament cutting machine, the heating wire of cutting mill cuts out an irregular column on the foam block of uniform thickness, its cross section is identical with the tumor target region shape, be called formpiston, owing to use heating wire, there are problems such as relaxation of deformation in heating wire when using after heating, formpiston is existed than mistake; Formpiston is sticked on the steel lead bath base plate then, make the lead stamp casting die; Behind the casting lead stamp, take out lead stamp, lead stamp is placed on the shadow plate, together be placed on the clinac head carriage together with the shadow plate, mobile lead stamp makes by light is wild and aligns with the tumor target area figure of central plane centers such as being placed on, lead stamp is installed on the shadow plate then; The lead stamp that will be installed in during use on the shadow plate is installed on the head carriage of clinac once more.
Three engraving machines are used in the Mold Making of existing intensity-modulated lead mould, because the vertical up-or-down movement of Z axle, can not there be the angle of inclination in the formpiston of carving out, because the bundle that goes out of clinac is dispersed, produce the problem that there is the transmission penumbra in intensity-modulated lead mould.The use of intensity-modulated lead mould calibration, the conformal lead mould that is used with it of calibration at first as stated above carries out being connected of intensity-modulated lead mould and conformal lead mould again.
By the making of above-mentioned lead stamp and use as can be known, existing lead stamp use complexity adopts the problem that the manually-operated error is big, have the transmission penumbra.
Summary of the invention:
The present invention will solve the problem that the making of lead stamp and use complexity, error are big, have the transmission penumbra.
For solving the problems of the technologies described above, the technical scheme that the present invention takes is:
A kind of suitable shape, the manufacture method of intensity-modulated lead mould, adopting electric main shaft (1) to drive the foam (4) of milling cutter (2) in foam installing frame (3) goes up the suitable shape formpiston (5) of engraving or transfers strong formpiston (6), wherein, electricity main shaft (1) can all around be swung and move up and down along the axial line of electric main shaft, the axle center of electricity main shaft (1) and milling cutter (2) is by the electric spindle swing centre of sphere, vertical line by electric main shaft (1) the swing centre of sphere is by the center of foam installing frame (3), and electric main shaft (1) the swing centre of sphere is identical with the distance of foam installing frame (3) bottom surface when foam installing frame (3) is installed on the clinac apart from the bottom surface distance of foam installing frame (3) and clinac radiographic source source point.
Specifically may further comprise the steps:
1) foam (4) is installed in the foam installing frame (3);
2) according to the requirement of radiotherapy treatment plan, electric main shaft (1) drives milling cutter (2) and processes suitable shape formpiston (5) or transfer strong formpiston (6) on foam (4);
3) metal that will fit shape formpiston (5) or transfer strong formpiston (6) pit perfusion on every side to melt, cooling;
4) conformal lead mould of making (7) or intensity-modulated lead mould (8) together with foam installing frame (3) directly screens be installed on the assigned position of head carriage of clinac and use.
Description of drawings:
Fig. 1 is the invention process sketch map.
Fig. 2 is the side view of Fig. 2.
Fig. 3 is that the present invention processes formpiston enforcement sketch map.
Fig. 4 is the suitable shape of the present invention, transfers strong formpiston and lead stamp to implement the sketch map specific embodiment:
Below in conjunction with accompanying drawing and the detailed example of enforcement in detail the present invention is described in detail, but invention is not limited only to described embodiment.
Each digital implication explanation in the accompanying drawing: (1) electric main shaft; (2) milling cutter; (3) foam installing frame; (4) foam; (5) suitable shape formpiston; (6) transfer strong formpiston; (7) conformal lead mould; (8) intensity-modulated lead mould.
As Fig. 1, shown in Figure 2, a kind of suitable shape, the manufacture method of intensity-modulated lead mould, adopting electric main shaft (1) to drive the foam (4) of milling cutter (2) in foam installing frame (3) goes up the suitable shape formpiston (5) of engraving or transfers strong formpiston (6), wherein, electricity main shaft (1) can all around be swung and move up and down along the axial line of electric main shaft, the axle center of electricity main shaft (1) and milling cutter (2) is by the electric spindle swing centre of sphere, vertical line by electric main shaft (1) the swing centre of sphere is by the center of foam installing frame (3), and electric main shaft (1) the swing centre of sphere is identical with the distance of foam installing frame (3) bottom surface when foam installing frame (3) is installed on the clinac apart from the bottom surface distance of foam installing frame (3) and clinac radiographic source source point.
Show as Fig. 3,4, specifically may further comprise the steps:
1) foam (4) is installed in the foam installing frame (3);
2) according to the requirement of radiotherapy treatment plan, electric main shaft (1) drives milling cutter (2) and processes suitable shape formpiston (5) or transfer strong formpiston (6) on foam (4);
3) metal that will fit shape formpiston (5) or transfer strong formpiston (6) pit perfusion on every side to melt, cooling;
4) conformal lead mould of making (7) or intensity-modulated lead mould (8) together with foam installing frame (3) directly screens be installed on the assigned position of head carriage of clinac and use.
Claims (2)
1. suitable shape, the manufacture method of intensity-modulated lead mould, it is characterized in that adopting electric main shaft (1) to drive the foam (4) of milling cutter (2) in foam installing frame (3) goes up the suitable shape formpiston (5) of engraving or transfers strong formpiston (6), wherein, electricity main shaft (1) can all around be swung and move up and down along the axial line of electric main shaft, the axle center of electricity main shaft (1) and milling cutter (2) is by the electric spindle swing centre of sphere, vertical line by electric main shaft (1) the swing centre of sphere is by the center of foam installing frame (3), and electric main shaft (1) the swing centre of sphere is identical with the distance of foam installing frame (3) bottom surface when foam installing frame (3) is installed on the clinac apart from the bottom surface distance of foam installing frame (3) and clinac radiographic source source point.
2. the manufacture method of suitable shape as claimed in claim 1, intensity-modulated lead mould is characterized in that, may further comprise the steps:
1) foam (4) is installed in the foam installing frame (3);
2) according to the requirement of radiotherapy treatment plan, electric main shaft (1) drives milling cutter (2) and processes suitable shape formpiston (5) or transfer strong formpiston (6) on foam (4);
3) metal that will fit shape formpiston (5) or transfer strong formpiston (6) pit perfusion on every side to melt, cooling;
4) conformal lead mould of making (7) or intensity-modulated lead mould (8) together with foam installing frame (3) directly screens be installed on the assigned position of head carriage of clinac and use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102175556A CN101732802B (en) | 2008-11-13 | 2008-11-13 | Manufacturing and using method of conformal intensity-modulation lead mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102175556A CN101732802B (en) | 2008-11-13 | 2008-11-13 | Manufacturing and using method of conformal intensity-modulation lead mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101732802A CN101732802A (en) | 2010-06-16 |
| CN101732802B true CN101732802B (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102175556A Expired - Fee Related CN101732802B (en) | 2008-11-13 | 2008-11-13 | Manufacturing and using method of conformal intensity-modulation lead mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101732802B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1778275A (en) * | 2004-11-19 | 2006-05-31 | 吴大可 | Self-control dynamic three-dimensional directional radiotherapy eutical system |
| CN1971767A (en) * | 2005-11-25 | 2007-05-30 | 连卫东 | Manufacturing method of conformal intensity modulated collimator |
-
2008
- 2008-11-13 CN CN2008102175556A patent/CN101732802B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1778275A (en) * | 2004-11-19 | 2006-05-31 | 吴大可 | Self-control dynamic three-dimensional directional radiotherapy eutical system |
| CN1971767A (en) * | 2005-11-25 | 2007-05-30 | 连卫东 | Manufacturing method of conformal intensity modulated collimator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101732802A (en) | 2010-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: LIAN WEIDONG Free format text: FORMER OWNER: DONGGUAN YPSUN MEDICAL EQUIPMENTS, INC. Effective date: 20110105 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 523808 ROOM 301, BUILDING 7, PRODUCTIVITY BASE, INSIDE OF TECHNOLOGY INDUSTRIAL PARK, SONGSHAN, DONGGUAN CITY, GUANGDONG PROVINCE TO: 100089 0268, BUILDING 9, GUANGDA GARDEN, QUANZONG ROAD, HAIDIAN DISTRICT, BEIJING |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20110105 Address after: 100089 Beijing city Haidian District Quan Zong Lu Everbright Garden Building No. 9 0268 Applicant after: Lian Weidong Address before: 523808, Guangdong province Dongguan Songshan Lake Science and Technology Industrial Park productivity promotion base, building 301, room 7 Applicant before: Dongguan YPSUN Medical Equipments, Inc. |
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| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20141113 |
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| EXPY | Termination of patent right or utility model |