CN202262998U - Center calibration assembly for DR detector - Google Patents
Center calibration assembly for DR detector Download PDFInfo
- Publication number
- CN202262998U CN202262998U CN2011203133789U CN201120313378U CN202262998U CN 202262998 U CN202262998 U CN 202262998U CN 2011203133789 U CN2011203133789 U CN 2011203133789U CN 201120313378 U CN201120313378 U CN 201120313378U CN 202262998 U CN202262998 U CN 202262998U
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- reference column
- module body
- calibration module
- detector
- level indicator
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- Measurement Of Radiation (AREA)
Abstract
The utility model discloses a center calibration assembly for a DR detector. The center calibration assembly comprises a calibration assembly body, a first positioning pillar, a second positioning pillar, a first gradienter, and a second gradienter. The calibration assembly body is rectangular in shape; the first positioning pillar is disposed at the dead center position of the top surface of the calibration assembly body; the second positioning pillar is disposed at the dead center position of the bottom surface of the calibration assembly body; the first gradienter is perpendicular to the second gradienter and the first gradienter and the second gradienter are parallel to two sides of the calibration assembly body respectively; the first positioning pillar and the second positioning pillar are cylindrical in shape; and the cylindrical basal diameter of the first positioning pillar is 1 to 3 mm less than the cylindrical basal diameter of the second positioning pillar. The center calibration assembly for the DR detector improves installation efficiency and accuracy during installation and improves quality of images; and the center calibration assembly employs material such as PVC plastic, and thus reduces work cost of enterprises greatly and can be used by the enterprises extensively.
Description
Technical field
This utility model relates to the special-purpose calibration assembly of a kind of medical apparatus and instruments, particularly relates to the special-purpose calibrate assembly of a kind of DR detector.
Background technology
In the calibrate field of DR detector, adopted the mode of messenger wire to calibrate mostly in the past, the calibration instrument of the use specialty of only a few, but this calibration instrument great majority are import, cost is relatively more expensive, is unfavorable for the use that enterprise is a large amount of.
Summary of the invention
The purpose of this utility model is exactly to above-mentioned defective, provides a kind of DR detector special-purpose calibrate assembly.
To achieve these goals, the technical scheme that this utility model provides is: the calibrate assembly that a kind of DR detector is special-purpose includes calibration module body, reference column one, reference column two, level indicator one and level indicator two; Said calibration module body is a cuboid; The end face center position of said calibration module body is provided with reference column one; The bottom surface center position of said calibration module body is provided with reference column two; Said level indicator one is horizontally placed on the end face of calibration module body with level indicator two; Said level indicator one is orthogonal and parallel with two limits of calibration module body respectively with level indicator two; Said reference column one is cylindrical with reference column two; The cylinder bottom surface diameter of said reference column one is than the short 1-3 millimeter of the cylinder bottom surface diameter of reference column two.
The preferred version of said calibration module body is: end face and bottom surface are square.
The preferred version of said level indicator one and level indicator two is: be horizontally placed on respectively on two centrages of calibration module body end face and be that axial symmetry distributes with the diagonal of end face.
The material of said calibration module body is polrvinyl chloride, aluminum, aluminium alloy, polyethylene, polypropylene, polystyrene or ABS plastic, is preferably polrvinyl chloride; The material of said reference column one and reference column two is preferably lead for absorbing the heavy metal of X ray.
The cylinder bottom surface diameter of said reference column one is lacked 2 millimeters than the cylinder bottom surface diameter of reference column two.
The beneficial effect of this utility model is: the special-purpose calibrate assembly of the DR detector that this utility model provides has improved the efficient of installation and the accuracy of installation in installation process, has improved the quality of image; Reduced the job costs of enterprise greatly owing to there is employing polrvinyl chloride (PVC) plastic or other material to make simultaneously, enterprise is used on a large scale.
Description of drawings
Fig. 1 is the schematic perspective view of the special-purpose calibrate assembly of DR detector.
Fig. 2 is the vertical view of the special-purpose calibrate assembly of DR detector.
Fig. 3 is the side view of the special-purpose calibrate assembly of DR detector.
Wherein, 1 is the calibration module body, and 2 is that reference column one, 3 is that reference column two, 4 is that level indicator one, 5 is a level indicator two.
The specific embodiment
The principle of this utility model is: the principle according to three-point fix designs; At first; The emission source of X ray is regarded as a point, is made as second point at center, it is regarded as the 3rd point after moving certain height at last on the central point horizontal vertical with detector detector.
Specify the specific embodiment of this utility model below in conjunction with accompanying drawing.
This utility model has numerous embodiments, just is used for representing implementation process and part final products among the embodiment, does not limit other embodiment of this utility model.
Embodiment 1:
The calibrate assembly that a kind of DR detector is special-purpose includes calibration module body 1, reference column 1, reference column 23, level indicator 1 and level indicator 25; Calibration module body 1 is a cuboid; The end face center position of calibration module body 1 is provided with reference column 1; The bottom surface center position of calibration module body 1 is provided with reference column 23; Level indicator 1 is horizontally placed on the end face of calibration module body 1 with level indicator 25; Level indicator 1 is orthogonal and parallel with two limits of calibration module body 1 respectively with level indicator 25; Reference column 1 is lacked 1 millimeter with the cylinder bottom surface diameter that reference column 23 is cylindrical reference column 1 than the cylinder bottom surface diameter of reference column 23.The diameter of reference column 1 is littler 1 millimeter than the diameter of reference column 2; Because X-ray beam is to throw to the object taper from X-ray tube; If so two reference column words of the same size under x-ray bombardment, enlarge-effect can appear in top plumbous point (reference column one), will following plumbous point (reference column two) all be covered; The accuracy that detects for guaranteeing, above the image of plumbous point (reference column one) should the image capturing range of plumbous below point (reference column two) in.
Embodiment 2:
The specific embodiment is identical with embodiment 1, and different is: the cylinder bottom surface diameter of reference column one is lacked 2 millimeters than the cylinder bottom surface diameter of reference column two.
Embodiment 3:
The specific embodiment is identical with embodiment 1, and different is: the cylinder bottom surface diameter of reference column one is lacked 3 millimeters than the cylinder bottom surface diameter of reference column two.
Embodiment 4:
The specific embodiment is identical with embodiment 1, and different is: the end face and the bottom surface of calibration module body 1 are square.
The calibrate appearance that this utility model provides also can use rectangle, circle, other shape such as trapezoidal.
Embodiment 5:
The specific embodiment is identical with embodiment 2, and different is: level indicator 1 and level indicator 25 are horizontally placed on respectively on two centrages of calibration module body end face and are that axial symmetry distributes with the diagonal of end face.When installing and fixing level indicator, must on ultra flat workbench, carry out.
Among the foregoing description 1-5, the material of calibration module body is polrvinyl chloride (PVC); The material of reference column one and reference column two is plumbous.
The method for using of this utility model is: the calibrate assembly that the DR detector is special-purpose is placed on the center of digitalized image plate; With its horizontal adjustment good after; Again with bulb horizontal adjustment set exposure dose well; Whether two plumbous points observing on the frock through the computer software reading images behind the direct irradiation overlap, thereby the situation of judging calibrate is also adjusted at any time.
Claims (6)
1. the calibrate assembly that the DR detector is special-purpose is characterized in that: include calibration module body, reference column one, reference column two, level indicator one and level indicator two; Said calibration module body is a cuboid; The end face center position of said calibration module body is provided with reference column one; The bottom surface center position of said calibration module body is provided with reference column two; Said level indicator one is horizontally placed on the end face of calibration module body with level indicator two; Said level indicator one is orthogonal and parallel with two limits of calibration module body respectively with level indicator two; Said reference column one is cylindrical with reference column two; The cylinder bottom surface diameter of said reference column one is than the short 1-3 millimeter of the cylinder bottom surface diameter of reference column two.
2. the calibrate assembly that DR detector as claimed in claim 1 is special-purpose, it is characterized in that: the end face and the bottom surface of said calibration module body are square.
3. the calibrate assembly that DR detector as claimed in claim 2 is special-purpose is characterized in that: said level indicator one and level indicator two are horizontally placed on respectively on two centrages of calibration module body end face and are that axial symmetry distributes with the diagonal of end face.
4. the calibrate assembly that DR detector as claimed in claim 3 is special-purpose, it is characterized in that: the material of said calibration module body is polrvinyl chloride, aluminum, aluminium alloy, polyethylene, polypropylene, polystyrene or ABS plastic; The material of said reference column one and reference column two is for absorbing the heavy metal of X ray.
5. the calibrate assembly that DR detector as claimed in claim 4 is special-purpose, it is characterized in that: the material of said calibration module body is a polrvinyl chloride; The material of said reference column one and reference column two is plumbous.
6. the calibrate assembly that DR detector as claimed in claim 5 is special-purpose is characterized in that: the cylinder bottom surface diameter of said reference column one is lacked 2 millimeters than the cylinder bottom surface diameter of reference column two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203133789U CN202262998U (en) | 2011-06-08 | 2011-08-25 | Center calibration assembly for DR detector |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120191193 | 2011-06-08 | ||
| CN201120191193.5 | 2011-06-08 | ||
| CN2011203133789U CN202262998U (en) | 2011-06-08 | 2011-08-25 | Center calibration assembly for DR detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202262998U true CN202262998U (en) | 2012-06-06 |
Family
ID=46153810
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110207173.7A Expired - Fee Related CN102813525B (en) | 2011-06-08 | 2011-07-22 | Digital radiography (DR) center calibration device and calibration method thereof |
| CN2011203133789U Expired - Fee Related CN202262998U (en) | 2011-06-08 | 2011-08-25 | Center calibration assembly for DR detector |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110207173.7A Expired - Fee Related CN102813525B (en) | 2011-06-08 | 2011-07-22 | Digital radiography (DR) center calibration device and calibration method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN102813525B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983182A (en) * | 2015-02-27 | 2016-10-05 | 苏州雷泰医疗科技有限公司 | Compound quality assurance die |
| CN110477936A (en) * | 2019-08-20 | 2019-11-22 | 新里程医用加速器(无锡)有限公司 | Beam-defining clipper scaling method, device, equipment and the medium of radiation imaging system |
| CN111257920A (en) * | 2020-03-23 | 2020-06-09 | 三门核电有限公司 | Radioactivity detection positioning device, detection system and detection method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356619B (en) * | 2017-07-12 | 2019-11-29 | 成都理工大学 | A kind of micro-beam X-ray quickly positions and calibrating installation and its application method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4053780A (en) * | 1975-10-20 | 1977-10-11 | Syntex (U.S.A.) Inc. | Method for calibration of an axial tomographic scanner |
| US6480574B2 (en) * | 2001-03-16 | 2002-11-12 | Kabushiki Kaisha Toshiba | X-ray diagnostic apparatus |
| JP3918932B2 (en) * | 2002-11-29 | 2007-05-23 | 株式会社島津製作所 | Center axis calibration jig in X-ray CT apparatus and calibration method using this jig |
| US7488107B2 (en) * | 2005-08-18 | 2009-02-10 | General Electric Company | Method and apparatus to detect and correct alignment errors in x-ray systems used to generate 3D volumetric images |
| CN101210896B (en) * | 2006-12-30 | 2011-05-11 | 同方威视技术股份有限公司 | Ray source and detector aligning mechanism and its method |
| CN100493457C (en) * | 2007-04-13 | 2009-06-03 | 滨州医学院 | Focal property detecting device of X-ray bulb tube and using method thereof |
| US20090086926A1 (en) * | 2007-09-27 | 2009-04-02 | Carestream Health, Inc. | Exposure centering apparatus for imaging system |
| US8411814B2 (en) * | 2008-10-31 | 2013-04-02 | Analogic Corporation | Method of and apparatus for measuring center detector index on CT scanner with limited field of view access |
| US7901136B2 (en) * | 2008-11-19 | 2011-03-08 | Morpho Detection, Inc. | Methods and system for calibrating and correcting a detection system |
-
2011
- 2011-07-22 CN CN201110207173.7A patent/CN102813525B/en not_active Expired - Fee Related
- 2011-08-25 CN CN2011203133789U patent/CN202262998U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983182A (en) * | 2015-02-27 | 2016-10-05 | 苏州雷泰医疗科技有限公司 | Compound quality assurance die |
| CN105983182B (en) * | 2015-02-27 | 2020-10-16 | 苏州雷泰医疗科技有限公司 | Composite quality assurance die body |
| CN110477936A (en) * | 2019-08-20 | 2019-11-22 | 新里程医用加速器(无锡)有限公司 | Beam-defining clipper scaling method, device, equipment and the medium of radiation imaging system |
| CN111257920A (en) * | 2020-03-23 | 2020-06-09 | 三门核电有限公司 | Radioactivity detection positioning device, detection system and detection method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102813525B (en) | 2015-01-07 |
| CN102813525A (en) | 2012-12-12 |
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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: 20120606 Termination date: 20140825 |
|
| EXPY | Termination of patent right or utility model |