CN2719224Y - High-energy electron beam multi-pull-tab adaptive lead block - Google Patents
High-energy electron beam multi-pull-tab adaptive lead block Download PDFInfo
- Publication number
- CN2719224Y CN2719224Y CN2004200744954U CN200420074495U CN2719224Y CN 2719224 Y CN2719224 Y CN 2719224Y CN 2004200744954 U CN2004200744954 U CN 2004200744954U CN 200420074495 U CN200420074495 U CN 200420074495U CN 2719224 Y CN2719224 Y CN 2719224Y
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- Prior art keywords
- lead block
- frame
- lead
- electron beam
- utility
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Abstract
The utility model is applicable to the ancillary device of the radiation therapy of tumor patients. The device comprises a frame and two threaded rods installed at one side of the frame. A plurality of pairs of moving inserting plates inserted from the two sides of the frame are arranged in the frame. The inserting plates are closely ranged, which composes a lead block. The parallel drawing of the inserting plate can change the hole pattern of the irradiation field in the middle of the lead block and is locked by the threaded rod. The best material of the frame is non-corrodible steel. The inserting plate is made of lead metal or lead alloy material. The utility model has an available effect: when the tumor patient requires high-energy electron beam therapy, there is no need to make a specific lead block for each patient; a set of blocks can conveniently change the hole pattern in the middle to irradiate the irradiation field with different formats, any shape and size; the blocks can be used repeatedly for a plurality of times; the operating requires less energy and time; the lead pollution is decreased; under the situation of not affecting the distance from the skin surface, the utility model is favorable for the irradiation in allowed band angle.
Description
One, technical field
This utility model is suitable for the radiocurable auxiliary facilities of what tumor patient.
Two, background technology
To in the tumor patient treatment, having needs to adopt radiocurable method greatly, produces high-power electron beam with medical accelerator diseased region is shone at present.High-power electron beam when irradiation need be around launched field retaining plumbous and make lead block, it is not only in order to adapt to the needs of target area and plan district shape, also is simultaneously the needs that normal internal organs are avoided unnecessary irradiation around the protection.And when making lead block, just need molten lead, plumbous, the cutting of casting, and differences such as each patient's position, size, shape need individual each patient is made specific lead block separately, and be not inconsistent as having slightly with patient's body surface launched field, also must rebuild with file.Thereby in numerous and diverse manufacturing process, plumbous meeting cause serious harm to human body, even poisons.The low-melting alloy lead (LML) that adopts is made lead block, because its volatility has heavily contaminated to air, also can work the mischief to operator and patient.
Three, summary of the invention
This utility model is for a kind of different size arbitrary shape, big or small irradiation field and lead block that can prolonged and repeated utilization of can shining in therapeutic process is provided.
This device includes framework and is positioned on two screw rods of framework one side, and insert from both sides many to active plugboard are arranged in the framework, closely arranges between plate, and constitutes lead block.The pass of irradiation field is locked by screw rod in the middle of the convertible lead block of the parallel pulling of plate.
The beneficial effects of the utility model are: when tumor patient is needed the high energy electron beam treatment, need not to make specific lead block for each patient, one cover baffle plate is the intermediary pass of conversion easily, the irradiation field of irradiation different size arbitrary shape and size, and can repeatedly use repeatedly, time saving and energy saving during operation, reduce lead contamination, and under the situation that does not influence the skin surface distance, help the angular illumination in allowed band.
Four, description of drawings
Accompanying drawing 1 is the Facad structure sketch map.
Accompanying drawing 2 is a upward view.
Accompanying drawing 3 is a left view.
Accompanying drawing 4 and accompanying drawing 5 are embodiment Facad structure sketch map.
Five, the specific embodiment
Framework 1 among Fig. 1～Fig. 3 is to be made of two strip side plate 1-1 and four clamping plate 1-2, and each two up and down of four clamping plate 1-2 form a plane space, and every pair of plate 2 inserts its space from both sides, and sticks with.On a side plate 1-1, be equipped with two screw rods 3, for making things convenient for the rotation of screw rod 3, the fixing dish shape nut 4 in screw rod 3 outsides, the rotation of screw rod 3 can make its inner roof pressure plate 2, how much deciding according to the size of whole lead block design and the width of plate 2 of plate 2, the length of every block of plate is between 100～200mm, wide 1.0～3.0mm, thick 10～20mm.The long 120mm of plate, wide 2mm, the thick 12mm of this utility model design need 70 pairs approximately, and each plate 2 shape size is identical, can form a long 240mm like this, wide 140mm, the lead block of thickness 12mm.Fig. 4 illustrates an irradiation field 5 and is oval-shaped enforcement, at first loosening screw rod 3, the plate 2 of pulling mid portion, make ellipse of intermediate formation, twist dish shape nut 4 then, compress plate 2 typings, be installed on the electron beam carriage and use, this shape patient is carried out the high energy electron beam treatment.Same Fig. 5 provides the embodiment of another kind of irregular irradiation field 5, and operational approach is identical.Framework 1 and screw rod, dish shape nut 4 the most handy stainless steel materials are made, and plate 2 is to make of lead metal or lead alloy material.
Claims (2)
1, the suitable shape lead block of high-power electron beam Duola sheet, the radiocurable auxiliary facilities of a kind of suitable what tumor patient, it is characterized in that: it includes framework (1) and is positioned on two screw rods (3) of framework one side, insert from both sides many to active plugboard (2) are arranged in the framework (1), closely arrange between plate (2) and the formation lead block.
2, the suitable shape lead block of high-power electron beam Duola sheet according to claim 1, it is characterized in that: the parallel pulling of each plate (2), the pass of irradiation field (5) is locked by screw rod (3) in the middle of the convertible lead block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004200744954U CN2719224Y (en) | 2004-08-12 | 2004-08-12 | High-energy electron beam multi-pull-tab adaptive lead block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004200744954U CN2719224Y (en) | 2004-08-12 | 2004-08-12 | High-energy electron beam multi-pull-tab adaptive lead block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2719224Y true CN2719224Y (en) | 2005-08-24 |
Family
ID=35008191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004200744954U Expired - Fee Related CN2719224Y (en) | 2004-08-12 | 2004-08-12 | High-energy electron beam multi-pull-tab adaptive lead block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2719224Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102512198A (en) * | 2011-12-22 | 2012-06-27 | 房伟 | Rolling chain type folding-up computed tomography (CT) radiation protection device for electric control slide rail |
| CN109077750A (en) * | 2018-07-05 | 2018-12-25 | 安徽医科大学第附属医院 | A kind of urological surgery protective device |
| CN112846495A (en) * | 2019-11-27 | 2021-05-28 | 山东大学齐鲁医院 | High-precision electron beam radiation field stop block |
-
2004
- 2004-08-12 CN CN2004200744954U patent/CN2719224Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102512198A (en) * | 2011-12-22 | 2012-06-27 | 房伟 | Rolling chain type folding-up computed tomography (CT) radiation protection device for electric control slide rail |
| CN102512198B (en) * | 2011-12-22 | 2013-08-28 | 房伟 | Rolling chain type folding-up computed tomography (CT) radiation protection device for electric control slide rail |
| CN109077750A (en) * | 2018-07-05 | 2018-12-25 | 安徽医科大学第附属医院 | A kind of urological surgery protective device |
| CN112846495A (en) * | 2019-11-27 | 2021-05-28 | 山东大学齐鲁医院 | High-precision electron beam radiation field stop block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |