CN2669903Y - Double rotating multi-sheet analogue positioning grating for verification - Google Patents
Double rotating multi-sheet analogue positioning grating for verification Download PDFInfo
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- CN2669903Y CN2669903Y CNU03253423XU CN03253423U CN2669903Y CN 2669903 Y CN2669903 Y CN 2669903Y CN U03253423X U CNU03253423X U CN U03253423XU CN 03253423 U CN03253423 U CN 03253423U CN 2669903 Y CN2669903 Y CN 2669903Y
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- transposition
- rotary disk
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Abstract
The utility model discloses a double rotating multi-sheet analogue positioning grating for verification of a linear accelerator used for the hospital radiotherapy, belonging to the technical field of a medical device. The utility model is directed to the radiotherapy, whether the tumor projection of human body completely anastomosis with the module can not be verified; the split grating in the traditional double rotating multi-sheet treating grating is made of radiolucent non-metallic material, and one side of each split grating approaching to a circular rotary disk is embedded metal wire resisting the X-ray. Making use of one side of entire split grating approaching to the circular rotary disk embeds the X-optical projection of the metal wire which can resist the X-ray, compared with the X-optical image of the tumor, whether the complete anastomosis between the module and the tumor of the human body is verified. The utility model has the advantages of easy use, and exact localization; the utility model has beneficial effects on the clinical radiotherapy, and can be used matching with the double rotating multi-sheet treating grating on various of radiotherapy accelerators.
Description
Technical field
The utility model discloses a kind of Chemical Examination Material in Hospital treatment with the two transposition multipage simulation location checking gratings on the linear accelerator, belong to the armarium technical field.
Background technology
00 2 No. 47564.2 disclosed pair of transposition multipage treatments of Chinese patent ZL 00 2 13935.9, ZL grating is the representative two transposition multipage treatment gratings that use both at home and abroad at present, adopts radiation proof material to make the stacked lamellar protective plate of splitting.During use, according to tumor projection of shape module two groups of page or leaf sheets of multipage grating manually are combined into identical shapedly, are contained on the linear accelerator head, make ray by multipage treatment grating opening irradiation tumor, and human normal tissue is protected.The accurate positioning of this device, adaptability is stronger, brings many convenience to radiotherapy.Owing to directly the location the intravital tumor of people is carried out radiotherapy according to tumor projection of shape module, and module is to make according to the figure of computer scanning, clinical when carrying out radiotherapy, whether the intravital tumor projection of module and people fits like a glove and can't verify, has influenced radiocurable precision.May damage normal structure or tumor tissues is killed halfway problem.
Summary of the invention
This utility model is at the deficiency of prior art, provides a kind of pair of transposition to fit type, accurate positioning and can verify gratings to module and the intravital tumor projection of the people two transposition multipages simulations location verified that whether coincide.
Technical characterictic of the present utility model shows and adopts the nonmetallic materials that can see through ray to make on the grating of splitting in two transposition multipage treatment gratings, splits grating can stop ray near one side embedding of circular turned dish tinsel for every.Utilize and all split the wiry X-ray projection of grating near the stopped ray of one side embedding of circular turned dish, with the X-ray image contrast of tumor, whether the intravital tumor projection of authentication module and people fits like a glove.
This utility model is achieved in that a kind of pair of transposition multipage simulation location checking grating, comprise the handle 2 that is installed in frame base 6 both sides, the step 7 of frame base 6 both sides, embed movable floors 9 in the middle of the frame base 6 and its and frame base 6 are fastenedly connected, one side being fixed with a fine setting trip 8 and being fixed on trimming bolt 5 on the frame base 6 formation movable floor micro-adjusting mechanisms that coincide of movable floor 9 by set bolt 18; Movable floor 9 center fixed one circular scale 15, have a circular turned dish 14 and graduated disc 15 to be that concentric is active to be connected above the graduated disc, rotary disk 14 both sides respectively have a location handle 13 to cooperate formation rotary disk detent mechanism with a bolt 27 that embeds the perforation rotary disk 14 in graduated disc 15 arcuate grooves; Secured in parallel has been installed two grating clamping plate 4 above the rotary disk 14, there is a locking pressing plate 3 inboard of grating clamping plate 4, constitutes the grating clamp mechanism with the round end spiral very heavy 28 of the lock handle 12 in grating clamping plate 4 outsides and coupled screw-in grating clamping plate 4; Installed between the grating clamping plate 4 and split grating 1, the grating 1 of splitting of both sides respectively has two ends to be fixed on three one slide rails 16 on the adapter 17 to wear and connect together, and adapter 17 embeds in the chute of grating clamping plate 4 and to be sliding connection with it; The upper surface of grating clamping plate 4 has set bolt swing handle 20 on positioning screw hole 10 and dowel hole 11 and the benchmark localizer and alignment pin 22 kissings to connect the benchmark localizer is fastened on the grating clamping plate 4, the benchmark localizer has supporting plate 19 and is positioned at angle disk 23 formations of supporting plate 19 central authorities, there is rotation to hold hole 24 on the angle disk 23, there is the unidirectional alignment pin group 26 who does not equidistantly arrange in central authorities, supporting plate 19 1 sides are equipped with the lock(ing) bolt 25 of angle disk, the opposite side of supporting plate 19 is fixed with press strip 21, the set bolt swing handle 20 that links to each other with bolt has been installed above, fixed the alignment pin 22 that coincide with grating clamping plate 4 upper surfaces below respectively, it is characterized in that splitting grating 1 and adopt the nonmetallic materials that can see through ray to make, split grating 1 can stop ray near the side embedding of circular turned dish 14 tinsel 29 for every.
When this utility model uses, adjust the center of splitting grating 1 and X-ray machine head, module is embedded on the benchmark localizer, opens and split grating 1, the benchmark localizer is installed on the grating clamping plate 4, adjust angle according to modular shape, make and split grating 1 and at utmost coincide with module, splitting grating 1 figuration, locking is split grating 1 and is taken off the benchmark localizer then, reverse rotation rotary disk and benchmark localizer equal angular, the locking rotary disk; The patient is placed calibration position on the X-ray machine, open X-ray machine and just can see that lump and module promptly split the degree of agreement of the tinsel image the grating 1 from fluorescent screen.Thereby whether module and the intravital tumor projection of people fitted like a glove verify.
The utility model has the advantages that easy to usely, the accurate positioning adaptability is strong, and clinical radiotherapy is had good effect.Can treat the supporting use of grating with the two transposition multipages on the various radiotherapy accelerators.
Description of drawings
Figure of description 1 is a structural representation of the present utility model, accompanying drawing 2 is benchmark locator structure sketch maps, accompanying drawing 3 is that the A---A of Fig. 2 is to profile, accompanying drawing 4 is centrage profiles of Fig. 2, accompanying drawing 5 be among Fig. 1 A---A to profile, accompanying drawing 6 is that B---B is to profile among Fig. 1, and accompanying drawing 7 is structural representations of splitting grating.
The specific embodiment
Embodiment of the present utility model sees accompanying drawing, among the figure: 1 split grating, 2 handles, 3 locking pressing plates, 4 grating clamping plate, 5 trimming bolts, 6 frame bases, 7 steps, 8 fine setting trips, 9 movable negatives, 10 positioning screw holes, 11 dowel holes, 12 lock handles, 13 position fixing handles, 14 rotary disks, 15 graduated discs, 16 slide rails, 17 adapters, 18 set bolts, 19 supporting plates, 20 set bolt swing handles, 21 press strips, 22 alignment pins, 23 angle disks, hole, 25 lock(ing) bolts, 26 unidirectional alignment pin groups, 27 bolts, very heavy, 29 tinsels of 28 round end spirals are held in 24 rotations.
Split grating 1 and can use the nonmetallic materials manufacturing, make as timber, plastics, lucite (being commonly called as acryl) etc.The every tinsel 29 of splitting the stopped ray that grating embeds near a side of circular turned dish 14 can adopt tinsels such as galvanized wire, tungsten alloy filament to make.
Among another embodiment of the present utility model, two transposition multipage simulation location checking gratings whole lucite that adopts except that tinsel 29 is made, and can alleviate quality, cuts down finished cost.
Claims (4)
1, a kind of pair of transposition multipage simulation location checking grating, comprise the handle (2) that is installed in frame base (6) both sides, the step (7) of frame base (6) both sides, embed a movable floor (9) in the middle of the frame base (6) and its and frame base (6) be fastenedly connected by set bolt (18), movable floor (9) one side be fixed with a fine setting trip (8) and be fixed on trimming bolt (5) on the frame base (6) the formation movable floor micro-adjusting mechanism that coincide; Movable floor (9) center fixed one circular scale (15), have a circular turned dish (14) and graduated disc (15) to be that concentric is active to be connected above the graduated disc, rotary disk (14) both sides respectively have a location handle (13) to cooperate formation rotary disk detent mechanism with a bolt (27) that embeds the perforation rotary disk (14) in graduated disc (15) arcuate groove; Secured in parallel has been installed two grating clamping plate (4) above the rotary disk (14), there is a locking pressing plate (3) inboard of grating clamping plate (4), constitutes the grating clamp mechanism with the round end spiral very heavy (28) of the lock handle (12) in grating clamping plate (4) outsides and coupled screw-in grating clamping plate (4); Installed between the grating clamping plate (4) and split grating (1), the grating (1) of splitting of both sides respectively has two ends to be fixed on three one slide rails (16) on the adapter (17) to wear and connect together, and adapter (17) embeds in the chute of grating clamping plate (4) and to be sliding connection with it; The upper surface of grating clamping plate (4) has set bolt swing handle (20) on positioning screw hole (10) and dowel hole (11) and the benchmark localizer and alignment pin (22) kissing to connect the benchmark localizer is fastened on the grating clamping plate (4), the benchmark localizer has supporting plate (19) and is positioned at angle disk (23) formation of supporting plate (19) central authorities, there is rotation to hold hole (24) on the angle disk (23), there is the unidirectional alignment pin group (26) who does not equidistantly arrange in central authorities, supporting plate (19) one sides are equipped with the lock(ing) bolt (25) of angle disk, the opposite side of supporting plate (19) is fixed with press strip (21), the set bolt swing handle (20) that links to each other with bolt has been installed above, fixed the alignment pin (22) that coincide with grating clamping plate (4) upper surface below respectively, it is characterized in that splitting grating (1) and adopt the nonmetallic materials that can see through ray to make, split grating (1) can stop ray near the side embedding of circular turned dish (14) tinsel (29) for every.
2, according to claim 1 pair of transposition multipage simulation location checking grating is characterized in that the every tinsel (29) of splitting the stopped ray that grating (1) embeds near a side of circular turned dish (14) can adopt tinsels such as galvanized wire, tungsten alloy filament to make.
3, according to claim 1 pair of transposition multipage simulation location checking grating is characterized in that splitting the available nonmetallic materials manufacturing of grating (1), makes as timber, plastics, lucite etc.
4, grating is verified in according to claim 1 pair of transposition multipage simulation location, it is characterized in that two transposition multipages simulation location checking gratings integral body except that tinsel (29) adopts lucite to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU03253423XU CN2669903Y (en) | 2003-09-15 | 2003-09-15 | Double rotating multi-sheet analogue positioning grating for verification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU03253423XU CN2669903Y (en) | 2003-09-15 | 2003-09-15 | Double rotating multi-sheet analogue positioning grating for verification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2669903Y true CN2669903Y (en) | 2005-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU03253423XU Expired - Fee Related CN2669903Y (en) | 2003-09-15 | 2003-09-15 | Double rotating multi-sheet analogue positioning grating for verification |
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| CN (1) | CN2669903Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537009A (en) * | 2012-07-16 | 2014-01-29 | 苏州雷泰医疗科技有限公司 | Grating leaf and grating device using same |
| CN101848745B (en) * | 2007-10-16 | 2015-07-15 | 皇家飞利浦电子股份有限公司 | Method and apparatus for intensity modulated arc therapy sequencing and optimization |
| CN106500577A (en) * | 2016-10-20 | 2017-03-15 | 山东省千佛山医院 | A kind of clinac vane grating method for detecting position |
| CN113521560A (en) * | 2021-06-22 | 2021-10-22 | 苏州雷泰医疗科技有限公司 | EPID-based grating full-automatic calibration method and device and radiotherapy equipment |
-
2003
- 2003-09-15 CN CNU03253423XU patent/CN2669903Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101848745B (en) * | 2007-10-16 | 2015-07-15 | 皇家飞利浦电子股份有限公司 | Method and apparatus for intensity modulated arc therapy sequencing and optimization |
| CN103537009A (en) * | 2012-07-16 | 2014-01-29 | 苏州雷泰医疗科技有限公司 | Grating leaf and grating device using same |
| CN103537009B (en) * | 2012-07-16 | 2016-04-13 | 苏州雷泰医疗科技有限公司 | A kind of grating device |
| CN106500577A (en) * | 2016-10-20 | 2017-03-15 | 山东省千佛山医院 | A kind of clinac vane grating method for detecting position |
| CN113521560A (en) * | 2021-06-22 | 2021-10-22 | 苏州雷泰医疗科技有限公司 | EPID-based grating full-automatic calibration method and device and radiotherapy equipment |
| CN113521560B (en) * | 2021-06-22 | 2024-04-09 | 苏州雷泰医疗科技有限公司 | Grating full-automatic calibration method and device based on EPID and radiotherapy equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |