CN103706046A - Electronic beam whole-body radiotherapy positioning platform - Google Patents
Electronic beam whole-body radiotherapy positioning platform Download PDFInfo
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- CN103706046A CN103706046A CN201310656607.0A CN201310656607A CN103706046A CN 103706046 A CN103706046 A CN 103706046A CN 201310656607 A CN201310656607 A CN 201310656607A CN 103706046 A CN103706046 A CN 103706046A
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- platform
- electric wire
- whole body
- rotating disk
- diffuser screen
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Abstract
The invention discloses an electronic beam whole-body radiotherapy positioning platform, and is used for the field of medical apparatus. The positioning platform comprises a lifting platform and a rotating disc arranged at an upper side of the lifting platform, the rotating disc is connected with the lifting platform through a central rotating shaft, a diffuser screen supported upwards is arranged on the lifting platform at one side of the rotating disc, and a dosage detection device is arranged on the diffuser screen. In the electronic beam whole-body radiotherapy positioning platform, the rotating disc is arranged on the lifting platform, in use, the space between the rotating disc and an accelerator is set, then a patient stands on the rotating disc, the radiotherapy irradiation body position is precisely controlled by shifting the rotating disc, at the same time, in cooperation with the dosage detection device on the diffuser screen, the irradiation dosage of different positions is monitored in real time, and parameters are accurately determined, including the distance between a body surface of the patient and a ray source of the accelerator, the dosage distribution characteristics after an irradiation field is amplified, body surface dosage distribution rules, the output dosage rate of long-distance irradiation of the accelerator and the like. The electronic beam whole-body radiotherapy positioning platform is simple in structure, and facilitates electronic beam whole-body radiotherapy.
Description
Technical field
The present invention, for medical instruments field, particularly relates to a kind of electric wire whole body radiotherapy localization platform.
Background technology
At present, utilizing whole body electron beam irradiation that high energy electron wire harness that medical accelerator produces carries out is one of critical treatment means of the deep sample mycete pathological changes of skin and subcutaneous shallow pathological changes of table such as 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.In order to carry out whole body or large area, irradiate, 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, by single or two irradiation fields, spell knot, can realize large area and irradiate or total irradiation.For the purpose of prudent, before implementing large area irradiation or total irradiation, need the accurate parameters such as 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 patient repeatedly accurate repetition of position and the accurate replication problem of irradiating orientation in irradiation process.
Summary of the invention
For addressing the above problem, the invention provides 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.
The technical solution adopted for the present invention to solve the technical problems is: 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 solution of the present invention, 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 solution of the present invention, 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 solution of the present invention, the thickness that dosage builds up plate is 1mm.
Be further used as the improvement of technical solution of the present invention, the rear side of parallel-plate chamber installing plate is provided with standard water die body.
Be further used as the improvement of technical solution of the present invention, 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 solution of the present invention, 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 solution of the present invention, diffuser screen is provided with the grid location line that spacing is 5cm.
Be further used as the improvement of technical solution of the present invention, hoistable platform is provided with support bar, and diffuser screen is located on described support bar and can slides to change the spacing with rotating disk along support bar.
Be further used as the improvement of technical solution of the present invention, 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.
Beneficial effect of the present invention: in this electric wire whole body radiotherapy localization platform, rotating disk is set on hoistable platform, during use, set the spacing of rotating disk and accelerator, then patient stands on rotating disk, by stirring rotating disk, accurately control radiotherapy irradiation position, 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, the present invention is simple in structure, facilitate the radiotherapy of electric wire whole body.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is embodiment of the present invention overall structure schematic diagram;
Fig. 2 is embodiment of the present invention diffuser screen structural representation;
Fig. 3 is embodiment of the present invention hoistable platform plan structure schematic diagram;
Fig. 4 is embodiment of the present invention parallel-plate chamber mounting plates structure schematic diagram.
The specific embodiment
With reference to Fig. 1～Fig. 4, the invention 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.On hoistable platform 1, around rotating disk 2, be provided with the fixture block of angle indicatrix 11 and locking 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.A side at rotating disk 2 on hoistable platform 1 is provided with the 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, during 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, position for labelling dosage measurement point.
In this electric wire whole body radiotherapy localization platform, rotating disk 2 is set on hoistable platform 1, during use, set the spacing of rotating disk 2 and accelerator 5, then patient stands on rotating disk 2, by stirring rotating disk 2, accurately control radiotherapy irradiation position, coordinate the dose measurement device 4 on diffuser screen 3 to monitor in real time the exposure dose of diverse location 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, the present invention 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 of using, 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 the preferred embodiment of the present invention, 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 at middle part, is provided with rotation disc 14, studdle 13 can screw in/screw out to regulate the height of hoistable platform 1, and then can be applicable to the librarian use of differing heights.
As the preferred embodiment of the present invention, hoistable platform 1 is provided with support bar 15, diffuser screen 3 is located on support bar 15 and can slides to change the spacing with 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 the preferred embodiment of the present invention, 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, the present invention 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 that diffuser screen 3 central points are to the distance of accelerator 5; Meanwhile, also can, by measuring the distance of four symmetrical point distance measurements 33 with the 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 spirit of the present invention, 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, around rotating disk, be provided with the fixture block of angle indicatrix and the described rotating disk of locking, 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, described in each, 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 the spacing with 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310656607.0A CN103706046A (en) | 2013-12-06 | 2013-12-06 | Electronic beam whole-body radiotherapy positioning platform |
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| CN201310656607.0A CN103706046A (en) | 2013-12-06 | 2013-12-06 | Electronic beam whole-body radiotherapy positioning platform |
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| CN103706046A true CN103706046A (en) | 2014-04-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104865590A (en) * | 2015-05-06 | 2015-08-26 | 广州医科大学附属肿瘤医院 | Dose test device for long-distance horizontal irradiation |
| CN106191026A (en) * | 2016-06-30 | 2016-12-07 | 李夏东 | Illuminating method in radiation biological is tested |
| CN108785878A (en) * | 2018-06-13 | 2018-11-13 | 广州医科大学附属肿瘤医院 | A kind of auxiliary device of electric wire at the uniform velocity rotary irradiation whole skin cancer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865590A (en) * | 2015-05-06 | 2015-08-26 | 广州医科大学附属肿瘤医院 | Dose test device for long-distance horizontal irradiation |
| CN104865590B (en) * | 2015-05-06 | 2018-01-16 | 广州医科大学附属肿瘤医院 | One kind is used for remote horizontal irradiation dose test device |
| CN106191026A (en) * | 2016-06-30 | 2016-12-07 | 李夏东 | Illuminating method in radiation biological is tested |
| CN106191026B (en) * | 2016-06-30 | 2017-08-29 | 李夏东 | Illuminating method in being tested for radiation biological |
| CN108785878A (en) * | 2018-06-13 | 2018-11-13 | 广州医科大学附属肿瘤医院 | A kind of auxiliary device of electric wire at the uniform velocity rotary irradiation whole skin cancer |
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Application publication date: 20140409 |