CN202796088U - Collimator and X-ray product comprising the same - Google Patents
Collimator and X-ray product comprising the same Download PDFInfo
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- CN202796088U CN202796088U CN 201220397028 CN201220397028U CN202796088U CN 202796088 U CN202796088 U CN 202796088U CN 201220397028 CN201220397028 CN 201220397028 CN 201220397028 U CN201220397028 U CN 201220397028U CN 202796088 U CN202796088 U CN 202796088U
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- collimating apparatus
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Abstract
The utility model discloses a collimator and an X-ray product comprising the same. The collimator comprises a shielding box, which is provided with a first opening disposed in a bottom part. The first opening is provided with a first side surface and a second side surface, which can be used to determine the angle of the X-ray beam in the Psi direction. The utility model is characterized in that a first acute angle can be formed between the first side surface and the angular bisector of the angle of the X-ray beam in the Psi direction, and a second acute angle can be formed between the second side surface and the angular bisector of the angle of the X-ray beam in the Psi direction. By using the collimator and the X-ray product comprising the same, the above mentioned first acute angle and the second acute angle can be formed respectively between the first side surface of the shielding box and the angular bisector of the angle of the X-ray beam in the Psi direction, and between the second side surface of the shielding box and the angular bisector of the angle of the X-ray beam in the Psi direction, therefore the X ray disposed on the edge of the angle in the Psi direction can be fully absorbed by the shielding box, and the X-ray leakage can be reduced.
Description
Technical field
The utility model relates to a kind of collimating apparatus and comprises the X-ray product of this collimating apparatus, the particularly shielded box of collimating apparatus.
Background technology
In the X-ray product, usually a collimating apparatus need to be set between X-ray tube and X-ray detector, with the scope of restriction X-ray beam and reduce X ray and leak.SSME in Chinese utility model patent CN202013751U, disclose a kind of can be used for ct apparatus without lead collimator, it comprises a shielded box of being made by tungsten plastics complex, and this shielded box has an opening that is arranged at its bottom.
The utility model content
In view of this, the utility model proposes a kind of collimating apparatus and comprise the X-ray product of this collimating apparatus, leak in order to further reduction X-radiation.
According to first aspect of the present utility model, a kind of collimating apparatus is provided, comprise a shielded box, described shielded box has one first opening that is arranged at its bottom, described the first opening has definite X-ray beam ψ to one first side and one second side of angle, it is characterized in that described the first side and described the second side become one first acute angle and one second acute angle with described X-ray beam ψ to the angular bisector of angle respectively.
Preferably, described the first acute angle and described the second acute angle are 30 °.
Preferably, described shielded box has one second opening that is arranged at its top and a cover plate that covers described the second opening, and described cover plate has one the 3rd opening.
Preferably, described collimating apparatus comprises a supporting component, and it is used for supporting described shielded box.
Preferably, described supporting component comprises a base plate, a top board, side plate and a U-shaped plate, described base plate has one the 4th opening and fixes with the bottom of described shielded box, described top board has one the 5th opening and fixes with described cover plate, described U-shaped plate and described side plate are around the sidewall of described shielded box, described U-shaped plate is fixedly connected with described base plate, top board and side plate, and described side plate is fixedly connected with described top board and base plate.
Preferably, described collimating apparatus comprises a collimating plate, described collimating plate be fixed in described base plate and with the distance from bottom 0.8 of described shielded box to 1mm.
Preferably, described collimating apparatus comprises a pre-collimating plate, and described pre-collimating plate is fixed in described top board.
According to second aspect of the present utility model, a kind of X-ray product is provided, it comprises above-mentioned collimating apparatus.
Preferably, described X-ray product comprises an X-ray tube, and described collimating apparatus comprises pair of brackets, and described support is fixed in described U-shaped plate and described side plate, and described support is used for absorbing the scattered radiation of described X-ray tube around the shell of described X-ray tube.
Preferably, described support and described shell distance 3 are to 5mm.
Preferably, described X-ray product is a ct apparatus, a positron emission tomography scanning system, a single photon emission computerized tomography,SPECT system, a mammary gland machine, a C shape arm, a digital imagery machine or an X-ray imaging device.
From such scheme, can find out, collimating apparatus of the present utility model and comprise this collimating apparatus the X-ray product since two sides of the first opening of shielded box be set to become respectively one first acute angle and one second acute angle with the ψ of X-ray beam to the angular bisector of angle, therefore, be in ψ and can fully absorb by the conductively-closed case to the X ray at the edge of angle, leak thereby reduce X ray.This shielded box bottom surface is with the parallel design of collimating plate of moving and reduced distance between the two, has also further absorbed the scattering of X ray at Z direction upper outlet.
Description of drawings
The below will make clearer above-mentioned and other feature and advantage of the present utility model of those of ordinary skill in the art by describe preferred embodiment of the present utility model in detail with reference to accompanying drawing, in the accompanying drawing:
Fig. 1 is the schematic explosive view according to the collimating apparatus of an embodiment of the present utility model.
Fig. 2 is that collimating apparatus shown in Figure 1 is along the cut-open view of A-A line.
Fig. 3 is that collimating apparatus shown in Figure 1 is along the cut-open view of B-B line.
In above-mentioned accompanying drawing, the Reference numeral that adopts is as follows:
100 collimating apparatuss 126 the 3rd opening
102 shielded boxes, 128 supporting components
104 first openings, 130 base plates
106 first sides, 132 top boards
108 second sides, 134 side plates
110 X-ray tube focuses, 136 U-shaped plates
112 X-ray beams 138 the 4th opening
114 ψ are to angle 139 the 5th opening
116 angular bisectors, 140 collimating plates
118 first angles, 142 pre-collimating plates
120 second angles, 144 supports
122 second openings, 146 X-ray tube housings
124 cover plates, 148 movable filtrators
150 Fixed-Filter
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, by the following examples the utility model is further described.
Fig. 1 is the schematic explosive view according to the collimating apparatus 100 of an embodiment of the present utility model.Fig. 2 is that collimating apparatus 100 shown in Figure 1 is along the cut-open view of A-A line.Collimating apparatus 100 can be used for having the X-ray product of X-ray tube, such as a ct apparatus, a positron emission tomography scanning system, a single photon emission computerized tomography,SPECT system, a mammary gland machine, a C shape arm, a digital imagery machine or an X-ray imaging device etc.
As illustrated in fig. 1 and 2, collimating apparatus 100 comprises a shielded box 102, and shielded box 102 has one first opening 104 that is arranged at its bottom.One X-ray tube focus 110 is towards collimating apparatus 100 emitting x-ray 112.The first opening 104 has the ψ of definite X-ray beam 112 to one first side 106 and one second side 108 of angle 114.It will be appreciated by those skilled in the art that the utility model alleged " ψ to " is exactly the geometric configuration on the X-Y plane of X-ray beam 112 in Fig. 1.The ψ of X-ray beam 112 has an angular bisector 116 to angle 114.The first side 106 and the second side 108 respectively with the ψ of X-ray beam 112 116 one-tenth one first acute angles 118 of angular bisector and one second acute angle 120 to angle 114.In other words, be different from the angular bisector in the ψ of X-ray beam to angle of the first side and the second parallel sided in the prior art, in the utility model, the ψ of the first side 106 and the second side 108 relative X-ray beams 112 tilts to the angular bisector 116 of angle 114.Like this, be in ψ and can fully absorb by conductively-closed case 102 to the X ray at the edge of angle 114, leak thereby reduce X ray.In the present embodiment, the first acute angle 118 and the second acute angle 120 are 30 °.
As shown in Figure 1, shielded box 102 has one second opening 122 that is arranged at its top and a cover plate 124 that covers the second opening 122.As shown in Figure 2, cover plate 124 has one the 3rd opening 126.In the present embodiment, shielded box 102 and cover plate 124 can be made by the tungsten plastics composite.
Fig. 3 is that collimating apparatus 100 shown in Figure 1 is along the cut-open view of B-B line.As Figure 1-3, collimating apparatus 102 comprises a supporting component 128, and it is used for supporting shielded box 102.In the present embodiment, supporting component 128 comprises a base plate 130, a top board 132, side plate 134 and a U-shaped plate 136.Base plate 130 has one the 4th opening 138 and fixes with the bottom of shielded box 102.Top board 132 has one the 5th opening 139 and fixing with cover plate 124.U-shaped plate 136 and side plate 134 are around the sidewall of shielded box 102, U-shaped plate 136 is fixedly connected with base plate 130, top board 132 and side plate 134, side plate 134 is fixedly connected with top board 132 and base plate 130, thereby shielded box 102 is fixed in the space that is impaled by base plate 130, top board 132, side plate 134 and U-shaped plate 136.For strengthening leaking being connected and further reducing X ray between base plate 130 and top board 132 and the U-shaped plate 136, as shown in Figures 1 to 3, base plate 130 and top board 132 can arrange the groove for 136 embeddings of U-shaped plate.
Shown in Fig. 2-3, collimating apparatus 100 can comprise one movably collimating plate 140(its can be a straight collimating plate or the collimating plate of a pair of arc), the base plane of shielded box 102 is parallel to this collimating plate 140 and distance 0.8 to 1mm.This distance guarantee collimating plate 140 can relative to and move with shielded box 102 in, can effectively reduce the X-radiation that leaks via bottom and the gap between the collimating plate 140 of shielded box 102 from the first opening 104 of shielded box 102.
As shown in Figure 1, collimating apparatus 100 can comprise a pre-collimating plate 142, and pre-collimating plate 142 can be fixed in top board 132, is used for X-ray beam 112 is carried out preliminary collimation.Collimating plate 140 and pre-collimating plate 142 are cut into by tungsten alloy wire, to guarantee the precision of its geometric configuration.
Shown in Fig. 2-3, collimating apparatus 100 also can comprise movable filtrator 148 and a Fixed-Filter 150.Movable filtrator 148 and Fixed-Filter 150 are arranged in the shielded box 102, and wherein, movable filtrator 148 is positioned at the top of Fixed-Filter 150.Movable filtrator 148 moves by the guide rail (not shown) that is arranged on the shielded box 102.When needed, movable filtrator 148 is moved between the 3rd opening 126 of the first opening 104 of Fixed-Filter 150 or shielded box 102 and cover plate 124 (being on the X-ray beam 112).When not required, remove from above-mentioned position, namely move to outside the X-ray beam 112.Movable filtrator 148 is mainly used to filter low energy X ray, with the filtration capacity of further enhancing collimating apparatus 100, guarantees the energy of X ray within the required range.
Shown in Fig. 2-3, the X-ray beam 112 that sends from X-ray tube focus 110 passes through the first opening 104 and the collimating plate 140 of the 5th opening 139 of pre-collimating plate 142, top board 132, the 3rd opening 126 of cover plate 124, movable filtrator 148, Fixed-Filter 150, shielded box 102 successively.
According on the other hand of the present utility model, the utility model provides a kind of X-ray product, and it comprises collimating apparatus 100.This X-ray product can be a ct apparatus, a positron emission tomography scanning system, a single photon emission computerized tomography,SPECT system, a mammary gland machine, a C shape arm, a digital imagery machine or an X-ray imaging device etc.
This X-ray product comprises X-ray tube (not shown), and collimating apparatus 100 can comprise pair of brackets 144, and support 144 is used for absorbing the scattered radiation of this X-ray tube, shown in Fig. 2-3 around X-ray tube housing 146.Support 144 and shell 146 distances 3 resonate to avoid this X-ray tube and support 144 to 5mm.Preferably, the pre-collimating plate 142 of collimating apparatus 100 also with the suitable distance in shell 144 intervals.As shown in Figure 1, support 144 can be fixed in U-shaped plate 136 and side plate 134.
Collimating apparatus of the present utility model and comprise this collimating apparatus the X-ray product since two sides of the first opening of shielded box be set to become respectively one first acute angle and one second acute angle with the ψ of X-ray beam to the angular bisector of angle, therefore, be in ψ and can fully absorb by the conductively-closed case to the X ray at the edge of angle, leak thereby reduce X ray.This shielded box bottom surface is with the parallel design of collimating plate of moving and reduced distance between the two, has also further absorbed the scattering of X ray at Z direction upper outlet.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (11)
1. collimating apparatus, comprise a shielded box, described shielded box has one first opening that is arranged at its bottom, described the first opening has definite X-ray beam ψ to one first side and one second side of angle, it is characterized in that described the first side and described the second side become one first acute angle and one second acute angle with described X-ray beam ψ to the angular bisector of angle respectively.
2. collimating apparatus as claimed in claim 1 is characterized in that, described the first acute angle and described the second acute angle are 30 °.
3. collimating apparatus as claimed in claim 1 is characterized in that, described shielded box has one second opening that is arranged at its top and a cover plate that covers described the second opening, and described cover plate has one the 3rd opening.
4. collimating apparatus as claimed in claim 3 is characterized in that, described collimating apparatus comprises a supporting component, and it is used for supporting described shielded box.
5. collimating apparatus as claimed in claim 4, it is characterized in that, described supporting component comprises a base plate, a top board, side plate and a U-shaped plate, described base plate has one the 4th opening and fixes with the bottom of described shielded box, described top board has one the 5th opening and fixes with described cover plate, described U-shaped plate and described side plate are around the sidewall of described shielded box, and described U-shaped plate is fixedly connected with described base plate, top board and side plate, and described side plate is fixedly connected with described top board and base plate.
6. collimating apparatus as claimed in claim 5 is characterized in that, described collimating apparatus comprises a collimating plate, described collimating plate be fixed in described base plate and with the distance from bottom 0.8 of described shielded box to 1mm.
7. collimating apparatus as claimed in claim 5 is characterized in that, described collimating apparatus comprises a pre-collimating plate, and described pre-collimating plate is fixed in described top board.
8. an X-ray product is characterized in that, described X-ray product comprises such as each described collimating apparatus in the claim 1 to 7.
9. X-ray product as claimed in claim 8 is characterized in that, described X-ray product comprises an X-ray tube, described collimating apparatus comprises pair of brackets, described support is fixed in described U-shaped plate and described side plate, and described support is used for absorbing the scattered radiation of described X-ray tube around the shell of described X-ray tube.
10. X-ray product as claimed in claim 9 is characterized in that, described support and described shell distance 3 are to 5mm.
11. X-ray product as claimed in claim 8, it is characterized in that described X-ray product is a ct apparatus, a positron emission tomography scanning system, a single photon emission computerized tomography,SPECT system, a mammary gland machine, a C shape arm, a digital imagery machine or an X-ray imaging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397028 CN202796088U (en) | 2012-08-06 | 2012-08-06 | Collimator and X-ray product comprising the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397028 CN202796088U (en) | 2012-08-06 | 2012-08-06 | Collimator and X-ray product comprising the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796088U true CN202796088U (en) | 2013-03-13 |
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ID=47823301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220397028 Expired - Lifetime CN202796088U (en) | 2012-08-06 | 2012-08-06 | Collimator and X-ray product comprising the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796088U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104754848A (en) * | 2013-12-30 | 2015-07-01 | 同方威视技术股份有限公司 | X-ray generating device and X-ray perspective imaging system having the device |
| CN104997527A (en) * | 2014-04-15 | 2015-10-28 | 中国科学院高能物理研究所 | CT device |
| CN112295113A (en) * | 2019-08-02 | 2021-02-02 | 上海西门子医疗器械有限公司 | Collimator shell, collimator and radiation imaging equipment |
| CN113113169A (en) * | 2021-03-29 | 2021-07-13 | 合肥名德光电科技股份有限公司 | X-ray machine radiation source collimating device |
-
2012
- 2012-08-06 CN CN 201220397028 patent/CN202796088U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104754848A (en) * | 2013-12-30 | 2015-07-01 | 同方威视技术股份有限公司 | X-ray generating device and X-ray perspective imaging system having the device |
| CN104754848B (en) * | 2013-12-30 | 2017-12-08 | 同方威视技术股份有限公司 | X-ray generator and the radioscopy imaging system with the device |
| US10224170B2 (en) | 2013-12-30 | 2019-03-05 | Nuctech Company Limited | X-ray generating apparatus and X-ray fluoroscopyimaging system equipped with the same |
| CN104997527A (en) * | 2014-04-15 | 2015-10-28 | 中国科学院高能物理研究所 | CT device |
| CN112295113A (en) * | 2019-08-02 | 2021-02-02 | 上海西门子医疗器械有限公司 | Collimator shell, collimator and radiation imaging equipment |
| CN113113169A (en) * | 2021-03-29 | 2021-07-13 | 合肥名德光电科技股份有限公司 | X-ray machine radiation source collimating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |