CN203620096U - Electron beam whole body radiotherapy positioning platform - Google Patents
Electron beam whole body radiotherapy positioning platform Download PDFInfo
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- CN203620096U CN203620096U CN201320800539.6U CN201320800539U CN203620096U CN 203620096 U CN203620096 U CN 203620096U CN 201320800539 U CN201320800539 U CN 201320800539U CN 203620096 U CN203620096 U CN 203620096U
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- whole body
- platform
- electric wire
- body radiotherapy
- rotating disk
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Abstract
The utility model discloses an electron beam whole body radiotherapy positioning platform and belongs to medical apparatus field. The electron beam whole body radiotherapy positioning platform comprises an elevating platform and a rotating disc disposed on the top side of the elevating platform. The rotating disc is connected with the elevating platform through a central rotating shaft. A diffuser screen supported upwardly is disposed on the elevating platform and at a side of rotating disc, and is equipped with a dosage detection device. According to the electron beam whole body radiotherapy positioning platform, the rotating disc is disposed on the elevating platform. When the electron beam whole body radiotherapy positioning platform is used, the distance between the rotating disc and an accelerator is set; then a patient stands on the rotating disc; and radiotherapy irradiation position is accurately controlled by dialing the rotating disc. In addition, irradiation dosage of different positions is monitored in real time in cooperation with the dosage detection device on the diffuser screen. Thus, parameters of distance between body surface of the patient and the radiation source of the accelerator, amplified irradiation field dosage distribution characteristic, body surface dosage distribution rule, and accelerator long distance irradiation output dosage rate are accurately determined. The electron beam whole body radiotherapy positioning platform is simple in structure and facilitates electron beam whole body radiotherapy.
Description
Technical field
This utility model, for medical instruments field, particularly relates to a kind of electric wire whole body radiotherapy localization platform.
Background technology
At present, utilizing the whole body electron beam irradiation that carries out of high energy electron wire harness that medical accelerator produces is one of critical treatment means of the shallow pathological changes of table such as the deep sample mycete pathological changes of skin and subcutaneous t cell lymphoma.Because accelerator is under conventional standard irradiation mode, radiation source point is 1m apart from the distance at patient body-surface or center, target area, and with this understanding, the range of exposures of electric wire only has at most 25cm × 25cm scope.Irradiate in order to carry out whole body or large area, conventionally need to extend irradiation distance to more than 4m, now, can only will speed up device frame rotates to horizontal level or horizontal level ± 20 degree, allowing patient stand in apart from the above distance of ray source point 4m irradiates, at this moment more than range of exposures is extended to 100cm × 100cm, spell knot by single or two irradiation fields, can realize large area and irradiate or total irradiation.For the purpose of prudent, before the irradiation of enforcement large area or total irradiation, need the parameters such as the accurate output dose rate of determining the dose distribution after patient body-surface and the radiogenic distance of accelerator, irradiation field amplify, the surface dose regularity of distribution, accelerator telecurie irradiation, because the radiotherapy of whole body electric wire need to be irradiated 18-20 time conventionally, 5 times weekly, need approximately 4 time-of-weeks, therefore, need to solve the repeatedly accurate repetition of position and the accurate replication problem of irradiating orientation in irradiation process of patient.
Utility model content
For addressing the above problem, this utility model provide a kind of can realize patient repeatedly in irradiation process position accurately repeat and irradiate the electric wire whole body radiotherapy localization platform that orientation accurately repeats.
This utility model solves the technical scheme that its technical problem adopts: a kind of electric wire whole body radiotherapy localization platform, comprise hoistable platform and the rotating disk that is located at hoistable platform upside, rotating disk is connected with hoistable platform by central rotating shaft, a side at rotating disk on hoistable platform is provided with the diffuser screen of upwards propping up, and diffuser screen is provided with dose measurement device.
Be further used as the improvement of technical solutions of the utility model, dose measurement device comprises the parallel-plate chamber installing plate that can be fixedly connected with diffuser screen and is located at the parallel-plate chamber probe of parallel-plate chamber installing plate inside.
Be further used as the improvement of technical solutions of the utility model, the front side of parallel-plate chamber installing plate is provided with multilamellar dosage and builds up plate, and parallel-plate chamber installing plate and dosage build up plate and makes by identical solid water material.
Be further used as the improvement of technical solutions of the utility model, the thickness that dosage builds up plate is 1mm.
Be further used as the improvement of technical solutions of the utility model, the rear side of parallel-plate chamber installing plate is provided with standard water die body.
Be further used as the improvement of technical solutions of the utility model, be provided with the fixture block of angle indicatrix and locking rotating disk on hoistable platform around rotating disk, rotating disk is provided with the direction arrow of footmark labelling, indication rotational angle and the draw-in groove embedding for fixture block.
Be further used as the improvement of technical solutions of the utility model, hoistable platform be provided with level indicator and in bottom surface four jiaos be provided with four studdles, each studdle is all threaded with hoistable platform and is provided with rotation disc at middle part.
Be further used as the improvement of technical solutions of the utility model, diffuser screen is provided with the grid location line that spacing is 5cm.
Be further used as the improvement of technical solutions of the utility model, hoistable platform is provided with support bar, and diffuser screen is located on described support bar and can slides to change and the spacing of rotating disk along support bar.
Be further used as the improvement of technical solutions of the utility model, also comprise the laser range finder being arranged on accelerator, diffuser screen is provided with central cross line and is equidistantly distributed on central cross line four point distance measurements around.
The beneficial effects of the utility model: in this electric wire whole body radiotherapy localization platform, rotating disk is set on hoistable platform, when use, set the spacing of rotating disk and accelerator, then patient stands on rotating disk, accurately control radiotherapy irradiation position by stirring rotating disk, coordinate dose measurement device on diffuser screen to monitor in real time the exposure dose of diverse location simultaneously, accurately determine patient body-surface and the radiogenic distance of accelerator, dose distribution after irradiation field amplifies, the surface dose regularity of distribution, the parameters such as the output dose rate of accelerator telecurie irradiation, this utility model is simple in structure, facilitate the radiotherapy of electric wire whole body.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is this utility model embodiment overall structure schematic diagram;
Fig. 2 is this utility model embodiment diffuser screen structural representation;
Fig. 3 is this utility model embodiment hoistable platform plan structure schematic diagram;
Fig. 4 is this utility model embodiment parallel-plate chamber mounting plates structure schematic diagram.
The specific embodiment
With reference to Fig. 1～Fig. 4, this utility model provides a kind of electric wire whole body radiotherapy localization platform, comprise hoistable platform 1 and the rotating disk 2 that is located at hoistable platform 1 upside, the center of the upper surface of hoistable platform 1 is provided with shaft hole, rotating disk 2 is connected with the shaft hole of hoistable platform 1 by central rotating shaft 21, and rotating disk 2 can be rotated continuously on its surface.The fixture block that is provided with angle indicatrix 11 and locking rotating disk 2 on hoistable platform 1 around rotating disk 2, angle indicatrix 11 is used to indicate the residing orientation of rotating disk 2; Rotating disk 2 is provided with the direction arrow 23 of footmark labelling 22, indication rotational angle and the draw-in groove embedding for fixture block, and so design can guarantee that the standing place of patient in use procedure keeps repeating constant.On hoistable platform 1, be provided with in a side of rotating disk 2 diffuser screen 3 of upwards propping up, diffuser screen 3 is provided with dose measurement device 4, the parallel-plate chamber probe 42 that dose measurement device 4 comprises the parallel-plate chamber installing plate 41 that can be fixedly connected with diffuser screen 3 and is located at parallel-plate chamber installing plate 41 inside, the front and rear surfaces of parallel-plate chamber probe 42 is equal with the front and rear surfaces of parallel-plate chamber installing plate 41, when use, parallel-plate chamber probe 42 can transfer to outside doser by signal by cable 43, diffuser screen 3 is provided with the grid location line 31 that spacing is 5cm, for the position of labelling dosage measurement point.
In this electric wire whole body radiotherapy localization platform, rotating disk 2 is set on hoistable platform 1, when use, set the spacing of rotating disk 2 and accelerator 5, then patient stands on rotating disk 2, accurately control radiotherapy irradiation position by stirring rotating disk 2, coordinate dose measurement device 4 exposure dose of monitoring diverse location in real time on diffuser screen 3 simultaneously, accurately determine patient body-surface and the radiogenic distance of accelerator 5, dose distribution after irradiation field amplifies, the surface dose regularity of distribution, the parameters such as the output dose rate of accelerator telecurie irradiation, this utility model is simple in structure, facilitate the radiotherapy of electric wire whole body, both can carry out depth dose measurement, also can carry out field dose measurement, and the position coordinates of measuring is clear and definite.
According to the different demands that use, it is that the dosage of 1mm builds up plate that the front side of parallel-plate chamber installing plate 41 is provided with multi-layered thickness, or the standard water die body of 30cm × 30cm × 30cm is installed at the rear side of parallel-plate chamber installing plate 41.Wherein, parallel-plate chamber installing plate 41 and dosage build up plate and make by identical solid water material, and standard water die body is lucite water tank, for backscatter line dosage is provided.
As this utility model preferred embodiment, hoistable platform 1 be provided with level indicator 12 and in bottom surface four jiaos be provided with four studdles 13, each studdle 13 is all threaded with hoistable platform 1 and is provided with rotation disc 14 at middle part, studdle 13 can screw in/screw out the height to regulate hoistable platform 1, and then can be applicable to the librarian use of differing heights.
As this utility model preferred embodiment, hoistable platform 1 is provided with support bar 15, diffuser screen 3 is located on support bar 15 and can slides to change and the spacing of rotating disk 2 along support bar 15, has scale mark, in order to indicate the position of diffuser screen 3 relative support bars 15 on support bar 15.
As this utility model preferred embodiment, on diffuser screen 3, be also provided with central cross line 32 and be equidistantly distributed on central cross line four point distance measurements 33 around, this utility model also comprises the laser range finder 6 being arranged on accelerator 5, this laser range finder 6 is installed under accelerator 5 collimators, its center and accelerator 5 visual field center superpositions, by laser range finder 6, determine the distance of diffuser screen 3 central points to accelerator 5; Meanwhile, also can, by measuring the distance of four symmetrical point distance measurements 33 with laser range finder 6 of central cross line 32 on diffuser screen 3, guarantee that diffuser screen 3 surfaces are perpendicular to accelerator 5 beam centers.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to this utility model spirit, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (10)
1. an electric wire whole body radiotherapy localization platform, it is characterized in that: comprise hoistable platform and the rotating disk that is located at described hoistable platform upside, described rotating disk is connected with hoistable platform by central rotating shaft, a side at rotating disk on described hoistable platform is provided with the diffuser screen of upwards propping up, and described diffuser screen is provided with dose measurement device.
2. electric wire whole body radiotherapy localization platform according to claim 1, is characterized in that: described dose measurement device comprises the parallel-plate chamber installing plate that can be fixedly connected with diffuser screen and is located at the parallel-plate chamber probe of described parallel-plate chamber installing plate inside.
3. electric wire whole body radiotherapy localization platform according to claim 2, it is characterized in that: the front side of described parallel-plate chamber installing plate is provided with multilamellar dosage and builds up plate, described parallel-plate chamber installing plate and dosage build up plate and make by identical solid water material.
4. electric wire whole body radiotherapy localization platform according to claim 3, is characterized in that: the thickness that described dosage builds up plate is 1mm.
5. electric wire whole body radiotherapy localization platform according to claim 2, is characterized in that: the rear side of described parallel-plate chamber installing plate is provided with standard water die body.
6. according to the electric wire whole body radiotherapy localization platform described in claim 1～5 any one, it is characterized in that: on described hoistable platform, be provided with the fixture block of angle indicatrix and the described rotating disk of locking around rotating disk, described rotating disk is provided with the direction arrow of footmark labelling, indication rotational angle and the draw-in groove embedding for described fixture block.
7. according to the electric wire whole body radiotherapy localization platform described in claim 1～5 any one, it is characterized in that: described hoistable platform be provided with level indicator and in bottom surface four jiaos be provided with four studdles, each described studdle is all threaded with hoistable platform and is provided with rotation disc at middle part.
8. according to the electric wire whole body radiotherapy localization platform described in claim 1～5 any one, it is characterized in that: described diffuser screen is provided with the grid location line that spacing is 5cm.
9. electric wire whole body radiotherapy localization platform according to claim 8, is characterized in that: described hoistable platform is provided with support bar, and described diffuser screen is located on described support bar and can slides to change and the spacing of rotating disk along support bar.
10. according to the electric wire whole body radiotherapy localization platform described in claim 1～5 any one, it is characterized in that: also comprise the laser range finder being arranged on accelerator, described diffuser screen is provided with central cross line and is equidistantly distributed on described central cross line four point distance measurements around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800539.6U CN203620096U (en) | 2013-12-06 | 2013-12-06 | Electron beam whole body radiotherapy positioning platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800539.6U CN203620096U (en) | 2013-12-06 | 2013-12-06 | Electron beam whole body radiotherapy positioning platform |
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| Publication Number | Publication Date |
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| CN203620096U true CN203620096U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320800539.6U Expired - Fee Related CN203620096U (en) | 2013-12-06 | 2013-12-06 | Electron beam whole body radiotherapy positioning platform |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706046A (en) * | 2013-12-06 | 2014-04-09 | 广州医科大学附属肿瘤医院 | Electronic beam whole-body radiotherapy positioning platform |
| CN104225809A (en) * | 2014-10-15 | 2014-12-24 | 大连现代医疗设备科技有限公司 | Implementation method and equipment for 4D radiotherapy plan with respiratory compensation |
| WO2020244146A1 (en) * | 2019-06-03 | 2020-12-10 | 苏州雷泰医疗科技有限公司 | Radiotherapy bed having dose measurement function |
-
2013
- 2013-12-06 CN CN201320800539.6U patent/CN203620096U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706046A (en) * | 2013-12-06 | 2014-04-09 | 广州医科大学附属肿瘤医院 | Electronic beam whole-body radiotherapy positioning platform |
| CN104225809A (en) * | 2014-10-15 | 2014-12-24 | 大连现代医疗设备科技有限公司 | Implementation method and equipment for 4D radiotherapy plan with respiratory compensation |
| CN104225809B (en) * | 2014-10-15 | 2017-04-12 | 大连现代医疗设备科技有限公司 | Implementation method and equipment for 4D radiotherapy plan with respiratory compensation |
| WO2020244146A1 (en) * | 2019-06-03 | 2020-12-10 | 苏州雷泰医疗科技有限公司 | Radiotherapy bed having dose measurement function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140604 Termination date: 20191206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |