CN202342701U - Medical radiation source intensity adjusting device - Google Patents
Medical radiation source intensity adjusting device Download PDFInfo
- Publication number
- CN202342701U CN202342701U CN2012201418660U CN201220141866U CN202342701U CN 202342701 U CN202342701 U CN 202342701U CN 2012201418660 U CN2012201418660 U CN 2012201418660U CN 201220141866 U CN201220141866 U CN 201220141866U CN 202342701 U CN202342701 U CN 202342701U
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- straight hole
- main body
- radiation source
- straight holes
- hole
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- Expired - Fee Related
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Abstract
The utility model provides a medical radiation source intensity adjusting device and adopts the technical scheme that the medical radiation source intensity adjusting device comprises a radiation head; the radiation head comprises a main body; a plurality of rows of radiation source cavities are arranged on the main body; radioactive sources are placed in the radiation source cavities respectively; head straight holes communicated with the radiation source cavities are formed on the main body; end straight holes are formed on the main body; each end straight hole shares a same centre line with one head straight hole; intermediate straight holes are formed between the head straight holes and the end straight holes respectively; the head straight holes, the intermediate straight holes and the end straight holes can share centre lines; the intermediate straight holes on the same row are arranged on a same cylinder switch fixedly connected with a rotating handle; a wedged shield body for adjusting the transmission amount is arranged at the exit port of each end straight hole; an inner screw hole is formed in each wedged shield body; a screw rod is mounted in each inner screw hole in a matching manner; and the screw rods are fixedly connected with the output shaft of a stepping motor. The medical radiation source intensity adjusting device has the benefits of simple and practical structure, convenience in operation, and controllable radiation amount.
Description
Technical field
This utility model relates to a kind of medical treatment device, relates in particular to a kind of medical radiation course intensity adjustments device.
Background technology
The function of the switch of medical radiation course intensity adjustments device of the prior art has only the function that all passages are opened simultaneously or closed, and its exit dose is fixed, can not adjust exit dose as required flexibly, is unfavorable for treatment.
Summary of the invention
This utility model is to the existing in prior technology shortcoming, and provides a kind of simple and practical, easy to operate, the technical scheme of the medical radiation course intensity adjustments device that exit dose is controlled.
This utility model is realized through following technical measures: a kind of medical radiation course intensity adjustments device, and it comprises radiation head, said radiation head comprises main body; Said main body is provided with plurality of rows radioactive source chamber, and said radioactive source intracavity has radioactive source, also is provided with the preparatory straight hole that communicates with the radioactive source chamber on the said main body; Also be provided with whole straight hole on the said main body; Said whole straight hole and said preparatory straight hole are total to centrage, are provided with middle straight hole between said preparatory straight hole and the whole straight hole, and said preparatory straight hole, middle straight hole and whole straight hole can be total to centrage; Same row's middle straight hole is arranged on the same cylinder switch, and said cylinder switch is fixedly connected with turning handle; The exit portal place of said whole straight hole is provided with the wedge shape shield of regulating the transmission amount, and said wedge shape shield has inner bolt hole, cooperates in the said inner bolt hole screw rod is installed, and said screw rod is fixedly connected with the output shaft of motor.
The concrete characteristics of this utility model also have, and the other end of said screw rod is provided with stop nut.
The beneficial effect of this utility model is: simple and practical, easy to operate, and realize the control of exit dose and switch through straight hole in rotating, and can be located at the final adjusting that diverse location is realized different exit doses through moving the wedge shape shield.
Description of drawings
Fig. 1 is the structural representation of this utility model specific embodiment.
Fig. 2 is the vertical view of Fig. 1.
Among the figure, 1, screw rod, 2, the radioactive source chamber, 3, radioactive source, 4, straight hole in advance, 5, middle straight hole, 6, the cylinder switch, 7, the wedge shape shield, 8, motor, 9, main body, 10, whole straight hole, 11, stop nut.
The specific embodiment
For clearly demonstrating the technical characterstic of this programme,, and combine it below through a specific embodiment
Accompanying drawing is set forth this programme.
Like Fig. 1, shown in Figure 2, this utility model is a kind of medical radiation course intensity adjustments device, comprises radiation head; Said radiation head comprises main body 9; Said main body 9 is provided with plurality of rows radioactive source chamber 2, in the said radioactive source chamber 2 radioactive source 3 is arranged, and also is provided with the preparatory straight hole 4 that communicates with radioactive source chamber 2 on the said main body 9; Also be provided with whole straight hole 10 on the said main body 9; Said whole straight hole 10 and said preparatory straight hole 4 be centrages altogether, straight hole 5 in being provided with between said preparatory straight hole 4 and the whole straight hole 10, and said preparatory straight hole 4, middle straight hole 5 and whole straight hole 10 can be total to centrage; Said same row's middle straight hole 5 is arranged on the same cylinder switch 6, and said cylinder switch 6 is fixedly connected with turning handle 7; The exit portal place of said whole straight hole 4 is provided with the wedge shape shield 7 of regulating the transmission amount; Said wedge shape shield 7 has inner bolt hole; Cooperate in the said inner bolt hole screw rod 1 is installed, said screw rod 1 is fixedly connected with the output shaft of motor 8, and the other end of said screw rod 1 is provided with stop nut 11.
This utility model can pass through existing techniques in realizing without the technical characterictic of describing, and repeats no more at this.Certainly; Above-mentioned explanation is not to be the restriction to this utility model; This utility model also be not limited in above-mentioned for example, variation, remodeling, interpolation or replacement that those skilled in the art are made in the essential scope of this utility model also should belong to the protection domain of this utility model.
Claims (2)
1. medical radiation course intensity adjustments device, it comprises radiation head, it is characterized in that; Said radiation head comprises main body, and said main body is provided with plurality of rows radioactive source chamber, and said radioactive source intracavity has radioactive source; Also be provided with the preparatory straight hole that communicates with the radioactive source chamber on the said main body, also be provided with whole straight hole on the said main body, the common centrage of said whole straight hole and said preparatory straight hole; Be provided with middle straight hole between said preparatory straight hole and the whole straight hole; Said preparatory straight hole, middle straight hole and whole straight hole can be total to centrage, and same row's middle straight hole is arranged on the same cylinder switch, and said cylinder switch is fixedly connected with turning handle; The exit portal place of said whole straight hole is provided with the wedge shape shield of regulating the transmission amount, and said wedge shape shield has inner bolt hole, cooperates in the said inner bolt hole screw rod is installed, and said screw rod is fixedly connected with the output shaft of motor.
2. medical radiation course intensity adjustments device according to claim 1 is characterized in that the other end of said screw rod is provided with stop nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201418660U CN202342701U (en) | 2012-04-06 | 2012-04-06 | Medical radiation source intensity adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201418660U CN202342701U (en) | 2012-04-06 | 2012-04-06 | Medical radiation source intensity adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202342701U true CN202342701U (en) | 2012-07-25 |
Family
ID=46531727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201418660U Expired - Fee Related CN202342701U (en) | 2012-04-06 | 2012-04-06 | Medical radiation source intensity adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202342701U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104548368A (en) * | 2014-12-16 | 2015-04-29 | 中国人民解放军第三军医大学第一附属医院 | Medical radiation box and radiotherapy machine |
| CN104548370A (en) * | 2014-12-16 | 2015-04-29 | 中国人民解放军第三军医大学第一附属医院 | Safe radioactive box and multi-source concentric radiotherapy machine |
| CN104548369A (en) * | 2014-12-16 | 2015-04-29 | 重庆市九龙坡区中医院 | Servo motor driven safe radiation box |
-
2012
- 2012-04-06 CN CN2012201418660U patent/CN202342701U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104548368A (en) * | 2014-12-16 | 2015-04-29 | 中国人民解放军第三军医大学第一附属医院 | Medical radiation box and radiotherapy machine |
| CN104548370A (en) * | 2014-12-16 | 2015-04-29 | 中国人民解放军第三军医大学第一附属医院 | Safe radioactive box and multi-source concentric radiotherapy machine |
| CN104548369A (en) * | 2014-12-16 | 2015-04-29 | 重庆市九龙坡区中医院 | Servo motor driven safe radiation box |
| CN104548368B (en) * | 2014-12-16 | 2017-01-18 | 中国人民解放军第三军医大学第一附属医院 | Medical radiation box and radiotherapy machine |
| CN104548369B (en) * | 2014-12-16 | 2017-02-22 | 重庆市九龙坡区中医院 | Servo motor driven safe radiation box |
| CN104548370B (en) * | 2014-12-16 | 2017-04-26 | 中国人民解放军第三军医大学第一附属医院 | Safe radioactive box and multi-source concentric radiotherapy machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20130406 |