CN102908162A - DR (digital radiography) equipment, light field and radiation field detector and light field and radiation field debugging method - Google Patents
DR (digital radiography) equipment, light field and radiation field detector and light field and radiation field debugging method Download PDFInfo
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- CN102908162A CN102908162A CN2011102200225A CN201110220022A CN102908162A CN 102908162 A CN102908162 A CN 102908162A CN 2011102200225 A CN2011102200225 A CN 2011102200225A CN 201110220022 A CN201110220022 A CN 201110220022A CN 102908162 A CN102908162 A CN 102908162A
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- 238000002601 radiography Methods 0.000 title abstract description 3
- 230000005855 radiation Effects 0.000 title abstract 5
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims description 42
- 238000002372 labelling Methods 0.000 claims description 10
- 239000011120 plywood Substances 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000003759 clinical diagnosis Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 230000023077 detection of light stimulus Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The invention provides DR (digital radiography) equipment, a light field and radiation field detector and a light field and radiation field debugging method. The detector comprises a base plate and an upper plate, a plurality of detection blocks are arranged in the base plate at regular intervals and form tick marks of the base plate, the upper plate is positioned on the upper portion of the base plate, marks corresponding to the detection blocks are arranged on the upper plate, the centers of the marks and the centers of the detection blocks are coincident in the perpendicular direction of the base plate, the marks form upper plate tick marks corresponding to the base plate tick marks, and the detection blocks are made of materials impenetrable by X-rays. The light field and radiation field detector is simple and fast in operation steps, accurate in detection results, simple in structure and low in manufacturing cost, thereby being convenient for wide use.
Description
Technical field
The present invention relates to Digitized X-ray photograph (Digital Radiography is hereinafter to be referred as DR) technical field, particularly relate to the method for checkout gear and the wild launched field of debugging light of the wild launched field of DR equipment and light thereof.
Background technology
After DR equipment is installed and in the regular maintenance, all need launched field and the light open country of DR equipment are adjusted, the wild concordance of launched field and light is significant for the clinical diagnosis photography.The light open country refers to that X-ray machine head simulation light is in zone that the plane of incidence defines; Launched field refers to that X-ray beam is in the projection of the plane of incidence.In clinical diagnosis checks, because launched field can't by visual definite, therefore, be simulated launched field with visible light usually.The wild launched field consistency detection of light mainly is in order to verify the degree that overlaps of light and irradiation field, i.e. the degrees of offset on wild and launched field center or border of light.
To adopt the develop method of calibration of film photographic flushing to the adjustment with the launched field of X-ray machine and light open country in early days, but because the generation of direct digital radiograph system (DR). and the method for traditional film photographic almost is eliminated.This has produced a kind of adjustment instrument of new solid state sensor, but this instrument is imported product, and once only to calibrate a limit.And the price comparison costliness is unfavorable for the use that enterprise is a large amount of.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.
For this reason, one object of the present invention is to propose a kind of wild launched field checkout gear of light simple in structure and that accuracy of detection is high that has.
Another object of the present invention is to propose a kind of DR equipment, this DR equipment degree of regulation is high and easy to use.
The 3rd purpose of the present invention is to propose a kind of method of debugging the wild launched field of light, and the method is so that the degree of regulation in the wild visual field of light is higher.
The checkout gear of the wild launched field of the light of embodiment according to an aspect of the present invention comprises:
Substrate, in described substrate and be provided with at regular intervals a plurality of detection pieces, described detection piece forms the substrate graduation mark; And top plate, described top plate is positioned at described substrate top, be provided with the labelling corresponding with described detection piece at described top plate, and the center of described labelling overlaps in the vertical direction of described substrate with the center of described detection piece, described labelling forms the top plate graduation mark corresponding with described substrate graduation mark, and penetrable material is not made by X ray for wherein said detection piece.
Thus, the checkout gear operating procedure simple and fast of the wild launched field of light according to the above embodiment of the present invention, testing result is accurate and simple in structure, low cost of manufacture, therefore is convenient to be widely used.
In addition, the checkout gear of the wild launched field of light according to the above embodiment of the present invention can also have following additional technical characterictic:
According to one embodiment of the invention, described substrate is the identical and equal-sized rectangle of shape with described top plate, described substrate graduation mark is provided with the Spot detection piece along the central point that passes described rectangle and orthogonal axis of pitch and longitudinal axis distribution in described central spot.
According to one embodiment of the invention, described detection piece is cylinder, and the diameter of described detection piece is 2mm, and the spacing between the center of two adjacent described detection pieces is 10mm.
According to one embodiment of the invention, the diameter of described Spot detection piece is 5mm.
According to one embodiment of the invention, described detection piece is lead.
According to one embodiment of the invention, also comprise lower plywood, described lower plywood is positioned at described base plate bottom.
According to one embodiment of the invention, described top plate, substrate and lower plywood are made by aluminum, aluminium alloy, polyethylene, polypropylene, polystyrene or ABS plastic.
According to one embodiment of the invention, described checkout gear removably is spliced by two parts at least.
The DR equipment of embodiment comprises according to a further aspect of the invention
Detector; Described detector has screen, in order to receive X ray; The be separated by preset distance setting and can be to described detector emission X ray of bulb pipe, described bulb pipe and described detector; Light concentrator is with the be separated by preset distance setting and can be to described detector emission visible light of described detector; And aforesaid checkout gear, described checkout gear is used for being arranged on the screen of described detector when the wild launched field of the light of adjusting described DR equipment.
Thus, not only precision is high but also simple to operate in the detection of the light of DR equipment according to the above embodiment of the present invention open country and launched field, has therefore reduced the installation and maintenance cost of the DR equipment of the embodiment of the invention.
Method according to the wild launched field of the debugging light of third aspect present invention embodiment comprises the steps:
Adjust the visible light source of aforesaid DR equipment and the distance between x-ray source and the detector, the focal length that makes the screen of described detector is 180cm;
Adjust the light concentrator of described DR equipment and the screen that the bulb pipe is aimed at described detector;
Described checkout gear is installed on the described screen;
Open described light concentrator, impinge upon scope on the described checkout gear to observe the light open country;
Open described bulb tube, make x-ray bombardment on described checkout gear, by described detector images acquired, impinge upon the scope on the checkout gear of the wild launched field of described light to observe launched field;
Compare the range differences of the wild and launched field of described light, with the registration of judging described light open country and launched field whether in prescribed limit; With
If described registration has surpassed described prescribed limit, then adjust described light concentrator or bulb pipe and substantially overlap with described coverage field with the scope of adjusting described light open country.
The method of the wild launched field of adjustment light according to the above embodiment of the present invention has advantages of that efficient is high and easy and simple to handle, therefore is suitable for vast medium-sized and small enterprises and is widely used.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the front view according to the substrate of the wild launched field checkout gear of light of the embodiment of the invention.
Fig. 2 is the front view according to the top plate of the wild launched field checkout gear of light of the embodiment of the invention.
Fig. 3 is the side view according to the wild launched field checkout gear of light of the embodiment of the invention.
Fig. 4 is the front view according to the wild launched field checkout gear of light of the embodiment of the invention.
Fig. 5 is the schematic diagram according to the wild launched field detecting method of debugging light of the embodiment of the invention.
The specific embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.For example, in description of the invention, " laterally " refers to left and right directions among Fig. 1; " vertically " refers to above-below direction among Fig. 1.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove, unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, connect integratedly, also can be to removably connect; Can be mechanical connection or electrical connection, also can be the connection of two element internals; Can be directly to link to each other, also can indirectly link to each other by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
Below with reference to accompanying drawing 1-4 checkout gear according to the wild launched field of the light of the embodiment of the invention is described.
Particularly, as shown in Figure 1, in substrate 2 and be provided with at certain intervals a plurality of mounting grooves, mounting groove is embedded with by the X ray made detection piece 22 of penetrable material not.Therefore detect piece 22 and form substrate graduation mark 21 at substrate 2.
As shown in Figure 3, top plate 3 is positioned at the top of substrate 2 and is integral with substrate 2 fixed installations.Be provided with the labelling 31 corresponding with detecting piece 22 at top plate 3, and the center of labelling 31 overlaps in the vertical direction of substrate 2 with the center of detecting piece, namely can reflect intuitively the accurate location of detection piece 22 on substrate 2 vertical direction in substrate 1 by the labelling 31 on the top plate 3.Therefore, labelling 31 forms the top plate graduation mark 32 corresponding with substrate graduation mark 21 at top plate 3.
Thus, when and launched field wild to the light of DR equipment are adjusted, the light open country is shone on the top plate 3 of checkout gear 1 of the embodiment of the invention to form illumination range, observe light open country scopes by top plate graduation mark 32; Launched field is shone on the checkout gear 1 of the embodiment of the invention, by observing the scope of being observed launched field by the detection piece 22 formed hacures (being substrate graduation mark 21) of x-ray bombardment in the detector image-forming photo, if light is wild and the registration of launched field surpasses regulation, then the emission source of the wild launched field of light is adjusted, to reach the registration of regulation.
The checkout gear operating procedure simple and fast of the wild launched field of light according to the above embodiment of the present invention, testing result is accurate and simple in structure, low cost of manufacture, therefore is convenient to be widely used.
Preferably, as depicted in figs. 1 and 2, substrate 2 is that shape is identical with top plate 3, equal-sized rectangle, substrate graduation mark 21 is along pass rectangular centre point 23 and orthogonal axis of pitch and longitudinal axis distribution (for convenience of explanation, axis of pitch and longitudinal axis are represented by dotted lines) in Fig. 1.Detect piece 22 along two axis and respectively setting, and be provided with Spot detection piece 24 (the Center-to-Center point 23 of Spot detection piece 24 overlaps) at central point 23 places.
Therefore by above-mentioned setting, form respectively " ten " font graduation mark 21 and 32 of equal in length at substrate 2 and top plate 3, with the scope of detection launched field and light open country.Wherein substrate graduation mark 21 comprises the horizontal graduation mark 211 of substrate and the vertical graduation mark 212 of substrate; Top plate graduation mark 32 comprises the horizontal graduation mark 321 of top plate and the vertical graduation mark 322 of top plate.
What one of ordinary skill in the art will appreciate that is, according to the shape of detector screen and the scope of size and light open country and launched field, checkout gear 1 size of the above embodiment of the present invention can be 8X10 inch, 10X14 inch, 14X17 inch, 15X17 inch and 17X17 inch (under this size, checkout gear 1 of the present invention is square) etc.
Preferably, detecting piece 22 is cylinder, and the diameter that detects piece 22 is 2mm, and the spacing between the center of two adjacent detection pieces is 10mm.That is to say that the scale on substrate graduation mark 21 and the top plate graduation mark 32 is 10mm.
If just in time on the scope of upper strata graduation mark 32, namely the up and down both sides of light open country are radiated at respectively on the two ends of the vertical graduation mark 322 of top plate in the light open country; The right and left of light open country is radiated at respectively on the two ends of the horizontal graduation mark 321 of top plate; And a scale is lacked than the bottom in the top that the photo of the scope of launched field by detector image-forming is shown as take Spot detection piece 24 as the vertical graduation mark 212 of boundary's substrate, and horizontal graduation mark 211 left parts lack two scales than right part take Spot detection piece 24 as boundary's substrate.Wild and the launched field of this presentation of results light differs from a scale (10mm) in the vertical, and differs in the horizontal two scales (20mm), i.e. the position of launched field partially next scale and two scales that take in the light open country.
Therefore, this graduation mark 21 and 32 can fully satisfy the regulation that and launched field horizontal and vertical error wild to DR equipment light is no more than 20mm.In addition, according to the checkout gear of above-described embodiment can disposable detection light the registration on wild and four limits of launched field, so improved detection efficiency.
As shown in Figure 1, according to one embodiment of the invention, the diameter of Spot detection piece 24 is 5mm, detects piece 22 with difference and other.Be convenient to like this user and determine the central point 23 of graduation mark, in order to calculate the scale of light open country and launched field, and then determine its range of exposures.
According to one embodiment of present invention, detecting piece 22 is lead.Plumbous heavy metal as absorption of x-rays, absorption of x-rays forms clearly graduation mark in imaging fully, can also save the cost of the checkout gear of the embodiment of the invention.
According to one embodiment of present invention, checkout gear of the present invention can also comprise the lower plywood (not shown) in the bottom of substrate 2, forms three structures, has avoided substrate 2 easily to be broken in the bottom and leaks lead.
According to one embodiment of present invention, substrate 2, top plate 3 and lower plywood are made by aluminum, aluminium alloy, polyethylene, polypropylene, polystyrene or ABS plastic.Above-mentioned material can guarantee intensity and the quality (quality is light in carrying) of the checkout gear of the embodiment of the invention, and is easy to processing, can also save manufacturing cost.
Preferably, for portable, checkout gear of the present invention removably is spliced by two parts at least.As shown in Figure 4, in one embodiment of the invention, checkout gear is spliced by 3 blocks of plates.Merotomizing by the checkout gear with the embodiment of the invention to reduce its volume, is easy to carry.In addition, joining method adopts this area means commonly used, and such as clamping or pivotally connected etc., so the splicing of the checkout gear of the embodiment of the invention and convenient disassembly are quick.
Below with reference to accompanying drawing 5 DR equipment according to the embodiment of the invention is described.
DR equipment according to the embodiment of the invention comprises: detector 4, bulb pipe 5, light concentrator 6 and checkout gear 1.
Particularly, detector 4 is x-ray imaging device, and has the screen 41 that receives X ray.Bulb pipe 5 and light concentrator 6 are respectively as the be separated by preset distance setting and can launch X ray and visible light to described detector of launched field source and the wild source of light and detector 6.
Thus, not only precision is high but also simple to operate according to the light wild (being represented by dotted lines among Fig. 5) of the DR equipment of the embodiment of the invention and the detection of launched field (representing with chain-dotted line among Fig. 5), so has reduced the installation and maintenance cost of the DR equipment of the embodiment of the invention.
It all is known consisting of for those of ordinary skill in the art according to other of the DR equipment of the embodiment of the invention, is not described in detail here.
Below with reference to accompanying drawing 5 method according to the wild launched field of the debugging light of the embodiment of the invention is described.
Method according to the wild launched field of the debugging light of the embodiment of the invention comprises the steps:
Step 1: adjust according to the visible light source (light concentrator 6) of the described DR equipment of above-described embodiment and the distance between x-ray source (bulb pipe 5) and the detector, the focal length that makes the screen 41 of detector 4 is 180cm.This focal length meets DR equipment light open country and launched field examination criteria.
Step 2: adjust light concentrator 6 and the bulb pipe 5 of DR equipment, make the screen 41 of light concentrator 6 and bulb pipe 5 alignment detectors 4.
Step 3: checkout gear 1 is installed on the screen 41, and the top plate 3 of assurance checkout gear 1 is towards light concentrator 6 and bulb pipe 5.
Step 4: open light concentrator 6, impinge upon scope on the checkout gear 1 to observe the light open country, namely determine the scope of light open countries by the scale 31 on the top plate 3.
Step 5: open bulb tube 5, make x-ray bombardment on checkout gear 1, by detector 4 images acquired, impinge upon the scope on the checkout gear 1 of the wild launched field of light to observe launched field, namely determine the scope of launched field by detecting scale that piece 22 forms.
Step 6: compare the range differences of the wild and launched field of light by calculating light scale wild and launched field, with the registration of judging light open country and launched field whether in prescribed limit.For example, afore mentioned rules adopts China DR light open country and the horizontal and vertical error of launched field to be no more than the regulation of 20mm.
Step 7: if registration has surpassed the afore mentioned rules scope, then adjust light concentrator or bulb pipe and substantially overlap with coverage field with the scope of adjusting the light open country.
The method of the wild launched field of adjustment light according to the above embodiment of the present invention has advantages of that efficient is high and easy and simple to handle, therefore is suitable for vast medium-sized and small enterprises and is widely used.
It can be understood by the person skilled in the art that the order of step 3 and step 4 can be exchanged in the method according to the wild launched field of the debugging light of the embodiment of the invention, observe first light wild or observe first launched field to the not impact of testing result of this method.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present invention and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (11)
1. the checkout gear of the wild launched field of light is characterized in that, comprising:
Substrate, in described substrate and be provided with at regular intervals a plurality of detection pieces, described detection piece forms the substrate graduation mark; With
Top plate, described top plate is positioned at described substrate top, be provided with the labelling corresponding with described detection piece at described top plate, and the center of described labelling overlaps in the vertical direction of described substrate with the center of described detection piece, described labelling forms the top plate graduation mark corresponding with described substrate graduation mark
Penetrable material is not made by X ray for wherein said detection piece.
2. the checkout gear of the wild launched field of light according to claim 1, it is characterized in that, described substrate is the identical and equal-sized rectangle of shape with described top plate, described substrate graduation mark is provided with the Spot detection piece along the central point that passes described rectangle and orthogonal axis of pitch and longitudinal axis distribution in described central spot.
3. according to claim 2, it is characterized in that, described detection piece is cylinder, the diameter of described detection piece is 2mm, and the spacing between the center of two adjacent described detection pieces is 10mm.
4. the checkout gear of the wild launched field of light according to claim 3 is characterized in that, the diameter of described Spot detection piece is 5mm.
5. the checkout gear of the wild launched field of light according to claim 1 is characterized in that, described detection piece is lead.
6. the checkout gear of the wild launched field of light according to claim 1 is characterized in that, also comprise lower plywood, described lower plywood is positioned at described base plate bottom.
7. the checkout gear of the wild launched field of light according to claim 6 is characterized in that, described top plate, substrate and lower plywood are made by aluminum, aluminium alloy, polyethylene, polypropylene, polystyrene or ABS plastic.
8. the checkout gear of the wild launched field of light according to claim 1 is characterized in that, described checkout gear removably is spliced by two parts at least.
9. a DR equipment is characterized in that, comprising:
Detector; Described detector has screen, in order to receive X ray;
The be separated by preset distance setting and can be to described detector emission X ray of bulb pipe, described bulb pipe and described detector;
Light concentrator is with the be separated by preset distance setting and can be to described detector emission visible light of described detector; And
According to claim 1, arbitrary described checkout gear-8, described checkout gear are used for being arranged on the screen of described detector when the wild launched field of the light of adjusting described DR equipment.
10. a method of debugging the wild launched field of light is characterized in that, comprises the steps:
Adjust the visible light source of DR equipment according to claim 9 and the distance between x-ray source and the detector;
Adjust the light concentrator of described DR equipment and the screen that the bulb pipe is aimed at described detector;
Described checkout gear is installed on the described screen;
Open described light concentrator, impinge upon scope on the described checkout gear to observe the light open country;
Open described bulb tube, make x-ray bombardment on described checkout gear, by described detector images acquired, impinge upon the scope on the checkout gear of the wild launched field of described light to observe launched field;
Compare the range differences of the wild and launched field of described light, with the registration of judging described light open country and launched field whether in prescribed limit;
If described registration has surpassed described prescribed limit, then adjust described light concentrator or bulb pipe and substantially overlap with described coverage field with the scope of adjusting described light open country.
11. method according to claim 10 is characterized in that, adjust the visible light source of described DR equipment and the distance between x-ray source and the detector, and the focal length of the screen of described detector is 180cm.
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| CN201110220022.5A CN102908162B (en) | 2011-08-02 | 2011-08-02 | DR (digital radiography) equipment, light field and radiation field detector and light field and radiation field debugging method |
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| CN201110220022.5A CN102908162B (en) | 2011-08-02 | 2011-08-02 | DR (digital radiography) equipment, light field and radiation field detector and light field and radiation field debugging method |
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