CN102783969B - Roentgenogram launched field indicating means, beam-defining clipper and medical X-ray photographic equipment - Google Patents
Roentgenogram launched field indicating means, beam-defining clipper and medical X-ray photographic equipment Download PDFInfo
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- CN102783969B CN102783969B CN201110130687.7A CN201110130687A CN102783969B CN 102783969 B CN102783969 B CN 102783969B CN 201110130687 A CN201110130687 A CN 201110130687A CN 102783969 B CN102783969 B CN 102783969B
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Abstract
The invention discloses a kind of roentgenogram launched field indicating means, beam-defining clipper and medical X-ray photographic equipment, including at least one limit bundle body and multiple laser instrument, described limit bundle body determines described X-ray irradiation field on default perspective plane, the projection on described default perspective plane of the incident line of multiple described laser instrument crosses indicating area, and described indicating area overlaps with described irradiation field.Owing to the heating of laser is little, the excessive temperature within beam-defining clipper will not be caused to raise, it is simple to ensure that internal temperature, in safety range, improves system stability；Meanwhile, also allow for using totally enclosed frame preferably to prevent radiation leakage.
Description
Technical field
The present invention relates to medical X-ray camera chain field, especially with respect to a kind of X-ray beam-defining clipper.
Background technology
Existing medical X camera chain commonly uses the luminous Halogen light of heat effect as light source, and the light being produced simulation roentgenogram launched field by Halogen light is wild.The luminous efficiency of Halogen light is 17～33lm/W, produces the illumination required for the light open country of simulation roentgenogram launched field, at least needs to use the Halogen light of 100W, causes following problem:
A) most of electric energy of Halogen light is converted to heat energy, typically can only use Halogen light luminous flux less than 2%, heat and the light not utilized make the device internal temperature of simulation roentgenogram launched field rise, affect whole system stability and cause skin temperature to be difficult to drop to below safety criterion, or outside Halogen light being placed in the device being relatively independent of roentgenogram launched field of having to, but this stereotype layer causing radioprotective to be revealed has to breach occur；
B) relatively low luminous efficiency and luminous flux utilization rate cause the waste of the energy；
C) cost increase in terms of the high-power big electric current caused also causes security protection；
D) position of x-ray focus can not be located immediately at due to Halogen light, generally require reflecting mirror to realize this process, cause device complicated.
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, it is provided that a kind of roentgenogram launched field indicating means, beam-defining clipper and medical X-ray photographic equipment can saved the energy, raising system stability and reduce cost.
For achieving the above object, present invention employs techniques below scheme: a kind of X-ray beam-defining clipper, including at least one limit bundle body and multiple laser instrument, described limit bundle body determines described X-ray irradiation field on default perspective plane, the projection on described default perspective plane of the incident line of multiple described laser instrument crosses indicating area, and described indicating area overlaps with described irradiation field.
Further, described irradiation field and indicating area are square.
Further, described laser instrument is selected from: yi word pattern laser instrument, cross laser instrument and point-like laser device.Laser instrument can only have one, it is also possible to for multiple combination.
Further, described laser instrument has two, and it is cross laser instrument.
Further, described laser instrument has four, and it is yi word pattern laser instrument.
Further, described limit Shu Tiwei lead window.Described lead window has one or more.
Further, described laser instrument is connected with drive mechanism power.Position and the angle of laser instrument can be adjusted by drive mechanism.
Further, the position of described laser instrument and angle are by the focus of X-ray to presetting the distance on perspective plane and the position of roentgenogram launched field and size determines, its calculating can realize by the way of frame for movement, circuit or software.
A kind of medical X-ray photographic equipment, including described X-ray beam-defining clipper.
A kind of method utilizing laser instrument instruction roentgenogram launched field.The method can utilize the combination of a kind of laser instrument or multiple laser instrument to indicate irradiation field.
The invention has the beneficial effects as follows: 1) due to the heating of laser little, the excessive temperature within beam-defining clipper will not be caused to raise, it is simple to ensure internal temperature in safety range, improve system stability；Meanwhile, also allow for using totally enclosed frame preferably to prevent radiation leakage.2) laser power is low, has saved the energy, and power supply is simple, and low cost and safety are high.3) can need not use reflecting mirror to realize the instruction of roentgenogram launched field, simplify the structure of beam-defining clipper, reduce cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of beam-defining clipper the first detailed description of the invention；
Fig. 2 is the structural representation of beam-defining clipper the second detailed description of the invention.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention the present invention is described in further detail.
X-ray beam-defining clipper is used for medical X-ray photographic equipment, and kind includes automatic beam-defining clipper and manual beam-defining clipper.Beam-defining clipper includes at least one limit bundle body and multiple laser instrument.The X-ray of x-ray source injection is carried out limit bundle by limiting bundle body, and this X-ray irradiation field on default perspective plane is determined by this limit bundle body.Irradiation field is square, such as rectangular or square when.Limit bundle body can have one or more, and it can be existing lead window.Laser instrument is for indicating the irradiation field of X-ray, and an indicating area is determined in the projection on this default perspective plane of the incident line of multiple laser instrument injection, and this indicating area overlaps with irradiation field.Laser instrument can be selected from: yi word pattern laser instrument, point-like laser device and cross laser instrument, this yi word pattern laser instrument refers to the laser projections line laser instrument being projected as straight line on default perspective plane, point-like laser device refers to the laser projections line laser instrument being projected as luminous point on default perspective plane, and cross laser instrument refers to the laser projections line laser instrument being projected as cross hairs on default perspective plane.
As it is shown in figure 1, the first detailed description of the invention that it is the present invention.Beam-defining clipper includes four yi word pattern laser instrument and four lead windows, only demonstrates 141,142 and two lead windows 121,122 of two laser instrument in Fig. 1.Four laser instrument can be symmetrical about the focus 100 of X-ray.The irradiation field of the X-ray after lead window 121,122 limit bundle is square.The incident line of each laser instrument is projected as straight line on default perspective plane 130, and a square indicating area is determined in the projection of the incident line of these four laser instrument.Four limits of indicating area overlap with four limits of irradiation field respectively.It addition, in order to accurately make the projection of the incident line of laser instrument overlap with the limit of irradiation field, position and the crevice projection angle of laser instrument can be regulated by existing drive mechanism.The position of described laser instrument and angle are by the focus of X-ray to presetting the distance on perspective plane and the position of roentgenogram launched field and size determines, its calculating can realize by the way of frame for movement, circuit or software.
As in figure 2 it is shown, the differring primarily in that of the second detailed description of the invention that it is the present invention, this embodiment and the first embodiment: laser instrument has two, is cross laser instrument, and the projection 211,212 of the incident line of this laser instrument is cross hairs.Two limits that the corresponding square x-ray bombardment of each laser instrument is wild, the square region that these two laser instrument determine is indicating area, and this indicating area overlaps with radiation field size 200.
In the third embodiment, laser instrument has three, and one is cross laser instrument, and two is yi word pattern laser instrument, and it also is able to cross a square indicating area.
In the 4th kind of embodiment, laser instrument can be point-like laser device, and its incident line is point-like, and multiple point-like laser devices also are able to cross a square indicating area.
For beam-defining clipper, it can include that multiple laser instrument, the projection on default perspective plane of the incident line of each laser instrument cross a square indicating area, and this indicating area overlaps with the irradiation field of X-ray.This laser instrument can be selected from yi word pattern laser instrument, cross laser instrument and point-like laser device, during selection, and can be only with a kind of laser instrument or the combination of multiple laser instrument.
For beam-defining clipper, it can adjust the angles and positions of laser instrument by drive mechanism.This drive mechanism is by power drive, and it can use existing linkage, gear mechanism, pinion and rack, tape handler, chain drive, worm-and-wheel gear etc..Alternatively, it is also possible to realize the control of the adjustment to laser projections line position by increasing reflecting mirror.
Beam-defining clipper, laser instrument and limit bundle body be may be located in a totally enclosed shell.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to assert the present invention be embodied as be confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. an X-ray beam-defining clipper, it is characterised in that: include at least one limit bundle body and multiple laser instrument,
Described limit bundle body determines described X-ray irradiation field on default perspective plane, the throwing of multiple described laser instrument
Ray projection on described default perspective plane crosses indicating area, described indicating area and described irradiation field
Overlap；The projection of the incident line of multiple described laser instrument limits each limit of described indicating area respectively, described
Each limit that each limit of indicating area has with described irradiation field overlaps.
2. X-ray beam-defining clipper as claimed in claim 1, it is characterised in that: described irradiation field and instruction
Region is square.
3. X-ray beam-defining clipper as claimed in claim 2, it is characterised in that: described laser instrument is selected from:
Yi word pattern laser instrument, cross laser instrument and point-like laser device.
4. X-ray beam-defining clipper as claimed in claim 3, it is characterised in that: described laser instrument has two,
It is cross laser instrument.
5. X-ray beam-defining clipper as claimed in claim 3, it is characterised in that: described laser instrument has four,
It is yi word pattern laser instrument.
6. X-ray beam-defining clipper as claimed in claim 2, it is characterised in that: described limit Shu Tiwei lead window.
7. X-ray beam-defining clipper as claimed in claim 2, it is characterised in that: four yi word pattern laser instrument
Focus about described X-ray is symmetrical arranged, described laser instrument with can regulate described laser positions and
The drive mechanism power of crevice projection angle connects.
8. a medical X-ray photographic equipment, it is characterised in that: include in claim 1-7 any one
X-ray beam-defining clipper described in Xiang.
9. the method indicating roentgenogram launched field, it is characterised in that utilize the throwing of multiple laser instrument
The indicating area that ray projection on default perspective plane crosses is to indicate described irradiation field, multiple described sharp
The projection of the incident line of light device limits each limit of described indicating area respectively, each limit of described indicating area with
Each limit that described irradiation field has overlaps.
10. method as claimed in claim 9, it is characterised in that: relative to the focus of described X-ray
It is symmetrical arranged four yi word pattern laser instrument, and utilizes drive mechanism to regulate position and the projection of described laser instrument
Angle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110130687.7A CN102783969B (en) | 2011-05-19 | 2011-05-19 | Roentgenogram launched field indicating means, beam-defining clipper and medical X-ray photographic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110130687.7A CN102783969B (en) | 2011-05-19 | 2011-05-19 | Roentgenogram launched field indicating means, beam-defining clipper and medical X-ray photographic equipment |
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| Publication Number | Publication Date |
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| CN102783969A CN102783969A (en) | 2012-11-21 |
| CN102783969B true CN102783969B (en) | 2016-09-14 |
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| CN106137240B (en) * | 2016-07-29 | 2018-12-18 | 河南科技大学第一附属医院 | A kind of intelligence children's radiological protection mechanism |
| CN108670280A (en) * | 2018-05-28 | 2018-10-19 | 上海联影医疗科技有限公司 | Medical Imaging System and the method for shooting medical image |
| WO2019228359A1 (en) | 2018-05-28 | 2019-12-05 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for taking x-ray images |
| CN109745061A (en) * | 2019-01-28 | 2019-05-14 | 深圳市纳诺艾医疗科技有限公司 | A kind of image documentation equipment with light beam limiting device out |
| CN111420305B (en) * | 2020-03-20 | 2022-05-17 | 北京东软医疗设备有限公司 | Irradiation region determination method, device and equipment and radiotherapy system |
| CN114531767B (en) * | 2022-04-20 | 2022-08-02 | 深圳市宝润科技有限公司 | Visual X-ray positioning method and system for handheld X-ray machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2449708A1 (en) * | 1974-10-18 | 1976-04-22 | Siemens Ag | X-RAY DIAGNOSTIC DEVICE WITH AN EXPOSURE MACHINE |
| JP3456718B2 (en) * | 1993-01-27 | 2003-10-14 | 株式会社東芝 | X-ray equipment |
| DE102004023046A1 (en) * | 2004-05-11 | 2005-12-08 | Siemens Ag | X-ray device, in particular mammography X-ray device |
| JP2008023015A (en) * | 2006-07-20 | 2008-02-07 | Toshiba Corp | Radiation positioning device |
| KR200445463Y1 (en) * | 2007-06-12 | 2009-08-04 | 윤병찬 | X-ray examination machine |
| JP5231574B2 (en) * | 2008-01-28 | 2013-07-10 | リフレクティブ エックス−レイ オプティクス エルエルシー | Optical alignment system and alignment method for X-ray imaging by X-ray imaging |
| RU2441589C2 (en) * | 2010-03-19 | 2012-02-10 | Закрытое акционерное общество "Смарт Рей" | Luminous marker for medical x-ray machine |
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Application publication date: 20121121 Assignee: Shenzhen Mindray Animal Medical Technology Co.,Ltd. Assignor: SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS Co.,Ltd. Contract record no.: X2022440020009 Denomination of invention: X-ray irradiation field indication method, beam limiter and medical X-ray photography equipment Granted publication date: 20160914 License type: Common License Record date: 20220804 |
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