CN203337825U - Radiological dose measuring device - Google Patents
Radiological dose measuring device Download PDFInfo
- Publication number
- CN203337825U CN203337825U CN2013203556195U CN201320355619U CN203337825U CN 203337825 U CN203337825 U CN 203337825U CN 2013203556195 U CN2013203556195 U CN 2013203556195U CN 201320355619 U CN201320355619 U CN 201320355619U CN 203337825 U CN203337825 U CN 203337825U
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- die body
- scintillation screen
- ray
- photo
- sensitive cell
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- 230000003287 optical effect Effects 0.000 claims abstract description 28
- 238000005259 measurement Methods 0.000 claims abstract description 21
- 230000005855 radiation Effects 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 230000005260 alpha ray Effects 0.000 description 2
- XQPRBTXUXXVTKB-UHFFFAOYSA-M caesium iodide Chemical compound [I-].[Cs+] XQPRBTXUXXVTKB-UHFFFAOYSA-M 0.000 description 2
- DQZARQCHJNPXQP-UHFFFAOYSA-N gadolinium;sulfur monoxide Chemical class [Gd].S=O DQZARQCHJNPXQP-UHFFFAOYSA-N 0.000 description 2
- 239000005355 lead glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000004980 dosimetry Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
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- Measurement Of Radiation (AREA)
Abstract
The utility model discloses a radiological dose measuring device, comprising a dose establishing die body, a scintillation screen, a ray backscatter die body, an optical lens group, a photosensitive element, and a processing circuit, wherein the scintillation screen is arranged between the dose establishing die body and the ray backscatter die body; the ray backscatter die body and the scintillation screen are tightly attached; the photosensitive element is electrically connected with the processing circuit; the optical lens group receives light emitted out from the scintillation screen and focuses the light onto the photosensitive element; and backscatter rays of the ray backscatter die body are scattered onto the scintillation screen. The radiological dose measuring device is simple in structure and convenient and rapid to use. The arrangement of the backscatter die body enables a measured dose to be more aligned with the situation of real irradiation. Moreover, dose changes caused by interface formation as the scintillation screen directly contacts with air can be effectively prevented. The resolution ratio and the measurement precision are increased to a certain extent, and the radiological dose measuring device is good in practicality.
Description
Technical field
The utility model belongs to medical radiation dosage measurement field, is specifically related to a kind of radiation dose measurement device.
Background technology
At present radiocurable dosage measurement is mainly contained to three kinds of methods, the first is that film is measured: use film to carry out the measurement checking of Radiotherapy dosimetry, method is measured plateholder in die body, and the second is to use the amorphous silicon detector, and the third is to use the ionization chamber matrix to be measured.The use film is measured, and because film needs to rinse, uses inconveniently, although adopt afterwards, exempts to rush film but needs the manual scanner that uses in computing machine, uses that still inconvenience is not quick; Using amorphous silicon flat panel to carry out dosage measurement and checking, to have an imaging area large, and resolution is high, but, because the ray energy of linear accelerator is very high, easily causes the amorphous silicon flat panel damage, and practicality is poor; But use the ionization chamber matrix more durable because ionization chamber itself has certain volume, so cause Measurement Resolution also lower.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, convenient to use and resolution is high, measuring accuracy is high radiation dose measurement device.
The technical scheme that realizes the utility model purpose is: a kind of radiation dose measurement device, comprise that dosage builds up die body, scintillation screen, ray backscattering die body, the optical mirror slip group, photo-sensitive cell and treatment circuit, described scintillation screen is arranged on described dosage and builds up between die body and ray backscattering die body, described ray backscattering die body and described scintillation screen fit tightly, described photo-sensitive cell is electrically connected to described treatment circuit, described scintillation screen is converted to visible ray by invisible X ray, the light that described optical mirror slip group reception scintillation screen sends also focuses on photo-sensitive cell, the backscattering line of described ray backscattering die body scatters on scintillation screen.X ray hits on ray backscattering die body and the various piece on ray backscattering die body comprises that the place at center all can produce the scattering of all directions, part back reflection is to scintillation screen, for scintillation screen provides enough backscattering lines, described dosage builds up die body and coordinates with described scintillation screen separate type.Adopt separation design, in use dosage is built up to die body and place, when not using, dosage is built up to die body and take off, convenient to use.
Or described dosage builds up die body and is fixedly connected with described scintillation screen.
Described ray backscattering die body is to provide the transparent material die body of sufficient backscattering ray for scintillation screen, makes to measure more to approach true radiation situation, due to its high light transmittance, and can not have influence on visible ray penetrating of scintillation screen generation.
Described photo-sensitive cell is CCD or CMOS chip or photodiode array.
Described optical mirror slip group comprises catoptron, optical lens or light transmitting fiber.
Described scintillation screen, for changing sightless radioscopic image into the visible ray picture, is generally made by materials such as cesium iodide or gadolinium oxysulfides.
Also comprise the photo-sensitive cell ray shielding device.Can effectively shield ray and directly beat to generation white noise on photo-sensitive cell and affect measuring accuracy, improve to a certain extent measuring accuracy.In the utility model, the photo-sensitive cell ray shielding device is directly around photo-sensitive cell, to wrap up thick high density shielded metal, to prevent that X ray from acting on photo-sensitive cell, produces the hickie noise.Or being made of metal the mode in Mi road, turning, it coordinates the eyeglass such as catoptron can reach desirable shield effectiveness.Or add the transparent alpha ray shields such as lead glass in two kinds of above-mentioned methods, this shielding is positioned on optical path, can be between optical mirror slip group and CCD, can be also to form the part of optical mirror slip in optical mirror slip, can be also between scintillation screen and optical mirror slip group, because high printing opacity, have influence on light focusing to photo-sensitive cell so less, reach desirable shield effectiveness.
Described photo-sensitive cell, optical mirror slip group, ray backscattering die body, scintillation screen are arranged in the optics closed environment.
The utlity model has positive effect: of the present utility model simple in structure, convenient to use, be provided with ray backscattering die body, the situation when dosage that makes to measure more meets true the irradiation, and can effectively avoid scintillation screen directly with air formation interface and cause dosage sharply change in measuring position and measure inaccurate, improved to a certain extent the high and measuring accuracy of resolution, practicality is good.
The accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is structural representation of the present utility model.
See Fig. 1, a kind of radiation dose measurement device, comprise that dosage builds up die body 1, scintillation screen 2, ray backscattering die body 3, optical mirror slip group 4, photo-sensitive cell 5 and treatment circuit 6, described scintillation screen 2 is arranged on described dosage and builds up between die body 1 and ray backscattering die body 3, described ray backscattering die body 3 fits tightly with described scintillation screen 2, described photo-sensitive cell 5 is electrically connected to described treatment circuit 6, described scintillation screen 2 is converted to visible ray by invisible X ray, the light that described optical mirror slip group 4 reception scintillation screens 2 send also focuses on photo-sensitive cell, the light that described optical mirror slip group reception scintillation screen sends also focuses on photo-sensitive cell, the backscattering line of described ray backscattering die body scatters on scintillation screen.X ray hits on ray backscattering die body and the various piece on ray backscattering die body comprises that the place at center all can produce the scattering of all directions, part back reflection is to scintillation screen, for scintillation screen provides enough backscattering lines, described ray backscattering die body 3 guarantees can receive enough backscattering rays at the measurement scintillation screen.Ray backscattering die body 3 and scintillation screen 2 are fitted tightly, the situation when dosage that makes to arrive scintillation screen more meets true the irradiation, also can avoid, because scintillation screen is direct and air formation interface causes dosage to change greatly, having improved to a certain extent the accuracy of measurement result simultaneously.
Described dosage builds up die body 1 and coordinates with described scintillation screen 2 separate types.Adopt separation design, in use dosage is built up to die body and place, when not using, dosage is built up to die body and take off, convenient to use.
Perhaps adopting described dosage to build up die body is fixedly connected with described scintillation screen.
Described ray backscattering die body 3 is that the transparent material die body of sufficient backscattering ray can be provided for scintillation screen.Can effectively to scintillation screen, provide enough return radiation, make to measure and more approach true radiation situation, due to its high light transmittance, and can not have influence on visible ray penetrating of scintillation screen generation.
Described photo-sensitive cell 5 is CCD or CMOS chip or photodiode array.And by treatment circuit, signal is converted into to picture signal and is carried.
Described optical mirror slip group comprises catoptron, optical lens or light transmitting fiber.
Described scintillation screen, for changing sightless radioscopic image into the visible ray picture, is generally made by materials such as cesium iodide or gadolinium oxysulfides.
Also comprise photo-sensitive cell ray shielding device 7.Can effectively shield ray and directly hit on photo-sensitive cell and to produce white noise and affect measuring accuracy, improve to a certain extent measuring accuracy.In the utility model, the photo-sensitive cell ray shielding device is directly around photo-sensitive cell, to wrap up thick high density shielded metal, to prevent that the scattered ray X ray from acting on photo-sensitive cell, produces the hickie noise.Or being made of metal the mode in Mi road, turning, it coordinates the eyeglass such as catoptron can reach desirable shield effectiveness.Or add the transparent alpha ray shields such as lead glass in two kinds of above-mentioned methods, this shielding is positioned on optical path, can be between optical mirror slip group and CCD, can be also to form the part of optical mirror slip in optical mirror slip, can be also between scintillation screen and optical mirror slip group, because high printing opacity, have influence on light focusing to photo-sensitive cell so less, reach desirable shield effectiveness.
Described photo-sensitive cell 5, optical mirror slip group 4, ray backscattering die body 3, scintillation screen 2 are arranged in the optics closed environment.
Obviously, above-described embodiment of the present utility model is only for the utility model example clearly is described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection domain of the present utility model.
Claims (8)
1. a radiation dose measurement device, comprise that dosage builds up die body, scintillation screen, ray backscattering die body, optical mirror slip group, photo-sensitive cell and treatment circuit, it is characterized in that: described scintillation screen is arranged on described dosage and builds up between die body and ray backscattering die body, described ray backscattering die body and described scintillation screen fit tightly, described photo-sensitive cell is electrically connected to described treatment circuit, the light that described optical mirror slip group reception scintillation screen sends also focuses on photo-sensitive cell, and the backscattering line of described ray backscattering die body scatters on scintillation screen.
2. radiation dose measurement device according to claim 1, it is characterized in that: described dosage builds up die body and coordinates with described scintillation screen separate type.
3. radiation dose measurement device according to claim 1, it is characterized in that: described dosage builds up die body and is fixedly connected with described scintillation screen.
4. according to claim 2 or radiation dose measurement device claimed in claim 3, it is characterized in that: described ray backscattering die body is that the transparent material die body of sufficient backscattering ray can be provided for scintillation screen.
5. radiation dose measurement device according to claim 4, it is characterized in that: described photo-sensitive cell is CCD, CMOS chip or photodiode array.
6. radiation dose measurement device according to claim 5, it is characterized in that: described optical mirror slip group comprises catoptron, optical lens or light transmitting fiber.
7. radiation dose measurement device according to claim 6, is characterized in that: also comprise for shielding direct the beating to photo-sensitive cell of scattered ray and produce the photo-sensitive cell ray shielding device that white noise affects measuring accuracy.
8. radiation dose measurement device according to claim 7, it is characterized in that: described photo-sensitive cell, optical mirror slip group, ray backscattering die body, scintillation screen are arranged in the optics closed environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203556195U CN203337825U (en) | 2013-06-20 | 2013-06-20 | Radiological dose measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203556195U CN203337825U (en) | 2013-06-20 | 2013-06-20 | Radiological dose measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203337825U true CN203337825U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203556195U Expired - Fee Related CN203337825U (en) | 2013-06-20 | 2013-06-20 | Radiological dose measuring device |
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| CN (1) | CN203337825U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104068878A (en) * | 2013-03-27 | 2014-10-01 | 西门子公司 | Radiography device and method for examinations in the field of pediatric radiology |
| CN106772530A (en) * | 2016-11-23 | 2017-05-31 | 江苏超敏仪器有限公司 | Preoperative line dose measurement device |
| CN109378048A (en) * | 2018-12-06 | 2019-02-22 | 余姚德诚科技咨询有限公司 | Radiological dose analysis system |
-
2013
- 2013-06-20 CN CN2013203556195U patent/CN203337825U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104068878A (en) * | 2013-03-27 | 2014-10-01 | 西门子公司 | Radiography device and method for examinations in the field of pediatric radiology |
| US9375190B2 (en) | 2013-03-27 | 2016-06-28 | Siemens Aktiengesellschaft | Radiography device and method for examinations in the field of pediatric radiology |
| CN104068878B (en) * | 2013-03-27 | 2017-01-04 | 西门子公司 | For the radiography instrument checked and method in pediatric radiology field |
| CN106772530A (en) * | 2016-11-23 | 2017-05-31 | 江苏超敏仪器有限公司 | Preoperative line dose measurement device |
| CN109378048A (en) * | 2018-12-06 | 2019-02-22 | 余姚德诚科技咨询有限公司 | Radiological dose analysis system |
| CN109378048B (en) * | 2018-12-06 | 2022-09-23 | 孟令红 | Radiation dose analysis system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200219 Address after: 430000 room 1-3, floor 4, building 5, international enterprise center, No.1, Guanshan 2nd Road, Donghu New Technology Development Zone, Wuhan, Hubei Province Patentee after: Wuhan detai Medical Technology Co.,Ltd. Address before: 430022 Hubei Province in Jianghan District of Wuhan wansongyuan Road No. 2 Building 2 room 129-29 Patentee before: Zhang Jun |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: On July 7, 2023, the expiration and termination of the 39 volume 2702 patent Number: 27-02 Volume: 39 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 |