CN102610291B - X-ray beam filtration unit, beam-defining clipper and medical diagnosis X radial equipment - Google Patents
X-ray beam filtration unit, beam-defining clipper and medical diagnosis X radial equipment Download PDFInfo
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- CN102610291B CN102610291B CN201110024427.1A CN201110024427A CN102610291B CN 102610291 B CN102610291 B CN 102610291B CN 201110024427 A CN201110024427 A CN 201110024427A CN 102610291 B CN102610291 B CN 102610291B
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- filter assembly
- ray beam
- filtration unit
- track
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Abstract
The invention discloses a kind of X-ray beam filtration unit, beam-defining clipper and medical diagnosis X radial equipment, comprise power source, there is the first filter assembly of the first filter, there is the second filter assembly and arrangement of clutch of the second filter, described power source drives the first filter assembly in first direction straight reciprocating motion, described second filter and the first filter have difference in height, described first, in the movement travel of the second filter assembly, described first filter and the second filter all have the active position being positioned at X-ray beam scope and the non-working position be positioned at outside X-ray beam scope.By arranging arrangement of clutch, first filter assembly and the second filter assembly can be moved simultaneously also can relative motion, thus first, second filter assembly can be controlled by one group of power source, realize multiple filtration grade, save and taken up room, reduce cost, be convenient to the structural design of beam-defining clipper and effectively control the volume of beam-defining clipper.
Description
Technical field
The invention relates to a kind of X-ray beam filtration unit, beam-defining clipper and medical diagnosis X radial equipment.
Background technology
In medical diagnosis X radial equipment, " quality " of radiation, the namely energy distribution of X ray quantum, except relevant with the voltage on X-ray tube, mainly through participating in determining at latter linked filtrator.Filtrator is applied in the window of X-ray tube, and its objective is and absorb the longer soft ray of former X ray medium wavelength, this kind of long wave X ray is inoperative to taking the photograph sheet, but rolls up the skin dose of person under inspection thus damage.The filter material of frequent use is plumbous, adopts copper or copper aluminum composite material for high-energy ray.
In order to meet needs medically, the especially diagnosis requirement of cardiology, needs to adopt different filtration grade, i.e. the different filtration unit filtering absorption value.
At present in medical diagnosis X radial equipment, the device of this filtered X-ray beam is mainly used on beam-defining clipper, beam-defining clipper be in medical diagnosis X radial equipment with X-ray tube with the use of the device for limiting radiation field size size.
In order to realize the different filtration grade of automatically switching, needing to control at least two group filter switch operating and off working states, realizing four kinds of different filtration conditions to combine.Generally need two groups of propulsion system to control these two groups of filters and carry out switching state, this causes the rising with cost that takies in space.And exactly the space of beam-defining clipper inside is more nervous, makes structural design difficulty or cause beam-defining clipper volume to strengthen.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, provide a kind of and can effectively reduce the X-ray beam filtration unit and beam-defining clipper that take up room and reduce costs.
For achieving the above object, present invention employs following technical scheme: a kind of X-ray beam filtration unit, comprise power source, there is the first filter assembly of the first filter, there is the second filter assembly and arrangement of clutch of the second filter, described power source drives the first filter assembly in first direction straight reciprocating motion, described second filter and the first filter have difference in height, described arrangement of clutch has makes described first, second filter assembly power connect engagement state and make described first, second filter assembly departs from the released state that power connects, when engagement state, described first filter assembly drives described second filter assembly at first direction rectilinear motion, and described first, in the movement travel of the second filter assembly, described first filter and the second filter all have the active position being positioned at X-ray beam scope and the non-working position be positioned at outside X-ray beam scope.First filter can be parallel with the second filter, also can have certain angle.
Further, described arrangement of clutch comprises driving link and driven member, and described driving link is located at described first filter assembly, and described driven member is located at described second filter assembly, and when engagement state, described driving link contacts with described driven member power; When released state, described driving link contacts with described driven member breakaway force.
Further, when engagement state, described driven member blocks described driving link.Because driven member blocks driving link, thus the first filter assembly can be made to move together with the second filter assembly.Driving link and driven member can have two all at the most, and this driving link also can become other quantity with the quantitative design of non-working position, as one or more according to the active position of filter with the quantity of driven member.
Further, described driving link comprises the shifting block fixing with described first filter, and described driven member comprises the block fixing with described second filter, and described block has two, and described shifting block is between two described blocks.
Further, described X-ray beam filtration unit also comprises the null pick-up for detecting described first filter assembly and the second filter assembly initial position.
Further, described X-ray beam filtration unit also comprises the positioning body that the extreme position for the movement travel to the second filter assembly positions.
Further, described X-ray beam filtration unit also comprises the first track and the second track, and described first filter assembly and described first track are slidably matched, and described second filter assembly and described second track are slidably matched.
Described first track and the second track are by gathering sill and axis of guide composition, described first filter assembly also comprises the first mount pad, one end of described first filter is slidably matched with corresponding gathering sill, the other end of described first filter is slidably matched with the corresponding axis of guide by described first mount pad, described second filter assembly also comprises the second mount pad, one end of described second filter is slidably matched with corresponding gathering sill, and the other end of described second filter is slidably matched with the corresponding axis of guide by described second mount pad.
A kind of beam-defining clipper, comprises described X-ray beam filtration unit.
A kind of medical diagnosis X radial equipment, comprises described beam-defining clipper.
The invention has the beneficial effects as follows: by arranging arrangement of clutch, first filter assembly and the second filter assembly can be moved simultaneously also can relative motion, thus first, second filter assembly can be controlled by one group of power source, realize multiple filtration grade, save and taken up room, reduce cost, be convenient to the structural design of beam-defining clipper and effectively control the volume of beam-defining clipper.
Accompanying drawing explanation
Fig. 1 is the structural representation of present embodiment X-ray beam filtration unit;
Fig. 2 is first, second filter assembly when being in initial position, the structural representation of present embodiment X-ray beam filtration unit;
When Fig. 3 is the first filter effect, the structural representation of present embodiment X-ray beam filtration unit;
When Fig. 4 is the second filter effect, the structural representation of present embodiment X-ray beam filtration unit;
Fig. 5 is first, second filter when all acting on, the structural representation of present embodiment X-ray beam filtration unit.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
As shown in Figures 1 to 5, present embodiment X ray filtration unit comprises power source, has the first filter assembly 110 of the first filter 102, has the second filter assembly 111 of the second filter 101 and arrangement of clutch 112.Power source is connected with the first filter assembly 110 power, and power source can drive the first filter assembly 110 straight reciprocating motion in a first direction.Second filter assembly 111 is connected with the first filter assembly 110 by arrangement of clutch 112, and the second filter 101 is parallel with the first filter 102 and have difference in height.Arrangement of clutch 112 has the engagement state that first, second filter assembly power is connected and the released state that first, second filter assembly disengaging power is connected, when engagement state, first filter assembly 110 contacts with the second filter assembly 111 power, thus makes the first filter assembly 110 can with the second filter assembly 111 together at first direction rectilinear motion in the same way; When released state, the first filter assembly 110 contacts with the second filter assembly 111 breakaway force, and the first filter assembly 110 is rectilinear motion under power source drives, and the second filter 111 assembly transfixion.
The direction of motion of the first filter assembly 110 can be ensured by the first track, and the direction of motion of the second filter assembly 111 can be ensured by the second track.Arrangement of clutch 112 can comprise driving link 115 and driven member 116, driving link 115 is located at the first filter assembly 110, driven member 116 is located at the second filter assembly 111, when engagement state, driving link 115 contacts with driven member 116 power, the power of the first filter assembly 110 can be delivered to the second filter assembly 111, makes first, second filter assembly 110,111 can rectilinear motion in the same way together; When released state, driving link 115 contacts with driven member 116 breakaway force.
First track and the second track all can be made up of gathering sill and the axis of guide.First track and the second track can comprise the first gathering sill 117 and the second gathering sill 118 respectively, first gathering sill 117 and the second gathering sill 118 all extend at first direction and have difference in height, and the first gathering sill 117 and the second gathering sill 118 can be opened in the first guide holder 119.First track and the second track can share an axis of guide 105, and the axis of guide 105 can be located at the second guide holder 120.First filter assembly 110 also comprises first mount pad 104 fixing with the first filter 102, one end of first filter 102 is stretched into the first gathering sill 117 and is slidably matched with the first gathering sill 117, and the other end of the first filter 102 is slidably matched with the axis of guide 105 by the first mount pad 104.Second filter assembly 111 also comprises second mount pad 103 fixing with the second filter 101, one end of second filter 101 is stretched into the second gathering sill 118 and is slidably matched with the second gathering sill 118, and the other end of the second filter 101 is slidably matched with the axis of guide 105 by the second mount pad 103.Driving link 115 can comprise the shifting block protruding out and be arranged at the first mount pad 104, and driven member 116 can comprise the block protruding out and be arranged at the second mount pad 103, and block two of left and right can be had spaced apart, shifting block is between two blocks.
Second guide holder 120 can be provided with two positioning bodies 106,107 positioned for the extreme position of the movement travel to the second filter assembly 111.This positioning body can be elasticity positioning body, as one end is fixed and the shell fragment of the cantilever-shaped extension of the other end; This positioning body also can be magnetic.First guide holder 119 can be provided with the null pick-up 108,109 for controlling first, second filter assembly 110,111 initial position, when first and second filter assembly 110,111 is in reference position, null pick-up sends the signal being in zero-bit to control device.This null pick-up can be reflective photoelectric sensor, correlation photoelectric sensor, grating, Hall element, capacitive transducer, inductance sensor, electric resistance sensor or microswitch etc.
First filter assembly 110 can have stop place, three, left, center, right in its movement travel, and wherein, during centre position, the first filter 102 acts on; Second filter assembly 111 have a left side, in two stop places, wherein, during centre position, the second filter 101 acts on; Effect refers to that filter is positioned within X-ray beam scope and can absorption of x-rays.
When initial position, the first filter assembly 110 and the second filter assembly 111 are all positioned at leftward position, and now, the first filter 102 and the second filter 101 all do not act on, and left side block can against shifting block, as shown in Figure 2.Then, drive the first filter assembly 110 to move to centre position by power source, the second filter assembly 111 does not move and is still in leftward position, and only the first filter 102 acts on, shifting block just against right side block, as shown in Figure 3.Then, drive the first filter assembly 110 to move to right positions by power source, to be contacted with the power of right side block by shifting block and the second filter assembly 111 is dragged to centre position, only the second filter 101 acts on, as shown in Figure 4.Then, drive the first filter assembly 110 to get back to centre position by power source, the second filter assembly 111 does not move and still mediates, and the first filter 102 and the second filter 101 all act on, shifting block just against left side block, as shown in Figure 5.Finally, drive the first filter assembly 1110 to get back to leftward position by power source, to be contacted with the power of left side block by shifting block and the second filter assembly 111 is dragged to leftward position, namely get back to initial position, as Fig. 2 institute not.
For X-ray beam filtration unit, first, second filter assembly all can have multiple stop place in its movement travel, and namely first, second filter assembly can switch in different stop places.Stop place is made up of with the non-working position that can not filter X ray the active position that can filter X ray, and this active position is as aforementioned centre position, and this non-working position is as aforementioned leftward position and right positions.Active position and non-working position all can have one or at least two, the multiple combination of the stop place of this first, second filter assembly, corresponding different filtration grade.For the multiple combination of stop place, first filter can overlap with the second filter or stagger, this coincidence with stagger refer on the reference plane parallel with first, second filter, the projection on this reference plane of the first filter and the second filter overlaps or staggers.
For X-ray beam filtration unit, power source drives the first filter assembly, and the first filter assembly drives the second filter assembly by arrangement of clutch, and this arrangement of clutch can have driving link and driven member, and driving link can engage or be separated with driven member.The implementation of this arrangement of clutch is as the shifting block cooperatively interacted and block, the shifting block cooperatively interacted and chute, the ratchet cooperatively interacted and plectrum etc.
For X-ray beam filtration unit, the first filter assembly can move along the first rail linearity, and the second filter assembly can move along the second rail linearity.Track can be made up of gathering sill and/or the axis of guide, and track can comprise two gathering sills at corresponding filter two ends respectively or comprises two axis of guides at corresponding filter two ends respectively or comprise the gathering sill at respectively corresponding filter two ends and the axis of guide etc.
For X-ray beam filtration unit, power source can be motor, and as stepper motor, direct current generator, threephase asynchronous machine, servomotor, or other can provide the device of power.Power source can be direct-connected with the first filter assembly, also connects by gear train.
X-ray beam filtration unit can be applied on the beam-defining clipper of medical diagnosis X radial equipment.
Above content is in conjunction with concrete embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. an X-ray beam filtration unit, it is characterized in that: comprise power source, there is the first filter assembly of the first filter, there is the second filter assembly and arrangement of clutch of the second filter, described power source drives the first filter assembly in first direction straight reciprocating motion, described second filter and the first filter have difference in height, described arrangement of clutch has makes described first, second filter assembly power connect engagement state and make described first, second filter assembly departs from the released state that power connects, when engagement state, described first filter assembly drives described second filter assembly at first direction rectilinear motion, and described first, in the movement travel of the second filter assembly, described first filter and the second filter all have the active position being positioned at X-ray beam scope and the non-working position be positioned at outside X-ray beam scope, described first filter and the second filter can overlap or stagger.
2. X-ray beam filtration unit as claimed in claim 1, it is characterized in that: described arrangement of clutch comprises driving link and driven member, described driving link is located at described first filter assembly, described driven member is located at described second filter assembly, when engagement state, described driving link contacts with described driven member power; When released state, described driving link contacts with described driven member breakaway force.
3. X-ray beam filtration unit as claimed in claim 2, it is characterized in that: when engagement state, described driven member blocks described driving link.
4. X-ray beam filtration unit as claimed in claim 3, it is characterized in that: described driving link comprises the shifting block fixing with described first filter, described driven member comprises the block fixing with described second filter, and described block has two, and described shifting block is between two described blocks.
5. X-ray beam filtration unit as claimed in claim 1, is characterized in that: also comprise the null pick-up for detecting described first filter assembly and the second filter assembly initial position.
6. X-ray beam filtration unit as claimed in claim 1, is characterized in that: also comprise the positioning body that the extreme position for the movement travel to the second filter assembly positions.
7. as the X-ray beam filtration unit in claim 1-6 as described in any one, it is characterized in that: also comprise the first track and the second track, described first filter assembly and described first track are slidably matched, and described second filter assembly and described second track are slidably matched.
8. X-ray beam filtration unit as claimed in claim 7, it is characterized in that: described first track and the second track are by gathering sill and axis of guide composition, described first filter assembly also comprises the first mount pad, one end of described first filter is slidably matched with corresponding gathering sill, the other end of described first filter is slidably matched with the corresponding axis of guide by described first mount pad, described second filter assembly also comprises the second mount pad, one end of described second filter is slidably matched with corresponding gathering sill, the other end of described second filter is slidably matched with the corresponding axis of guide by described second mount pad.
9. a beam-defining clipper, is characterized in that: comprise the X-ray beam filtration unit in claim 1-8 described in any one.
10. a medical diagnosis X radial equipment, is characterized in that: comprise beam-defining clipper according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110024427.1A CN102610291B (en) | 2011-01-21 | 2011-01-21 | X-ray beam filtration unit, beam-defining clipper and medical diagnosis X radial equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110024427.1A CN102610291B (en) | 2011-01-21 | 2011-01-21 | X-ray beam filtration unit, beam-defining clipper and medical diagnosis X radial equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102610291A CN102610291A (en) | 2012-07-25 |
| CN102610291B true CN102610291B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110024427.1A Active CN102610291B (en) | 2011-01-21 | 2011-01-21 | X-ray beam filtration unit, beam-defining clipper and medical diagnosis X radial equipment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102835968B (en) * | 2012-09-17 | 2014-08-13 | 北京东方惠尔图像技术有限公司 | Light beam forming device, X-ray machine with light beam forming device and light beam forming device control method |
| CN109316199B (en) * | 2018-09-18 | 2022-06-28 | 上海联影医疗科技股份有限公司 | Collimator filtering component, collimator and medical equipment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10186096A (en) * | 1996-12-26 | 1998-07-14 | Hitachi Medical Corp | Variable x-ray beam limiting device |
| US6320936B1 (en) * | 1999-11-26 | 2001-11-20 | Parker Medical, Inc. | X-ray tube assembly with beam limiting device for reducing off-focus radiation |
| DE10154481B4 (en) * | 2001-11-08 | 2005-02-10 | Siemens Ag | Medical X-ray system with a device for filtering an X-ray beam |
| CN1189132C (en) * | 2002-07-11 | 2005-02-16 | 飞利浦(中国)投资有限公司 | CT machine |
| CN2646341Y (en) * | 2003-07-22 | 2004-10-06 | 江苏金秋竹门业有限公司 | Sliding door |
| DE60336025D1 (en) * | 2003-11-20 | 2011-03-24 | Ge Med Sys Global Tech Co Llc | COLLIMATOR AND PUNCHER |
| CN1635423A (en) * | 2003-12-29 | 2005-07-06 | Ge医疗系统环球技术有限公司 | Collimator, X-ray irradiation device and X-ray photography device |
| CN2722699Y (en) * | 2004-02-12 | 2005-09-07 | 金社一 | Artificial cosmetic matrix |
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Application publication date: 20120725 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 beam filtering device, beam limiter and medical diagnostic X-ray equipment Granted publication date: 20160203 License type: Common License Record date: 20220804 |