CN107242880A - X-ray beam limiter and X-ray photography system - Google Patents
X-ray beam limiter and X-ray photography system Download PDFInfo
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- CN107242880A CN107242880A CN201710419438.7A CN201710419438A CN107242880A CN 107242880 A CN107242880 A CN 107242880A CN 201710419438 A CN201710419438 A CN 201710419438A CN 107242880 A CN107242880 A CN 107242880A
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Abstract
The embodiment of the invention discloses an X-ray beam limiter and an X-ray photography system thereof. It includes: the beam limiter main body is used for changing a line shielding lead plate structure of an X-ray irradiation field; the manual knob is arranged outside the beam limiter body and is structurally connected with the wire shielding lead plate through a driving mechanism, and the irradiation field indicator lamp is triggered and lightened along with the knob of the manual knob; the display interaction device is used for acquiring user instructions and displaying at least one user interface to a user; the voice acquisition device is used for acquiring a user voice instruction, is arranged on a front panel of the beam limiter main body, and is used for virtually arranging a camera and a controller, the controller is respectively in communication connection with the camera and the display interaction device, and the operation of the X-ray beam limiter is controlled according to the user instruction or the user voice instruction. The X-ray medical system is additionally provided with the camera and the display interaction device, so that available image information can be provided for the X-ray medical system, and the interaction convenience is improved.
Description
Technical field
The present invention relates to medical imaging device technical field, more particularly to a kind of X-ray beam-defining clipper and X-ray system
System.
Background technology
X-ray beam-defining clipper is the important component of medical X-ray system, and it is arranged on X-ray pipe sleeve window, Ke Yi
Unnecessary primary X-ray is screened off to during X-ray examination, the irradiation field of X-ray is limited in minimum required for checking
Scope, the x-ray irradiation dose received when patient is checked as far as possible is minimized.
The operation principle for being adjusted or limiting for irradiation field of X-ray beam-defining clipper is the lead by adjustable clearance
What plate was realized.X-ray beam-defining clipper by manual or electronic mode, can adjust the gap of stereotype, and portion is screened off in the window
The primary radiation divided, so as to change the roentgenogram launched field in actual inspection.
The stereotype structure of the X-ray beam-defining clipper usually used（Also known as " lead door "）It is to use manual knob, and by specific
Mechanical transmission structure drive.But such X-ray beam-defining clipper function is more single, it is impossible to adapt to higher and higher use
It is required that.Therefore, start to occur in that what some were driven using motor, can to a certain extent realize and automatically control, adjust lead
The automatic X-ray beam-defining clipper of sheet separation.
In process of the present invention is realized, inventor has found that correlation technique has problems with：It is rapid with electronic technology
Development, requires more and more higher, existing X-ray beam-defining clipper function is more for the intelligence degree during equipment routine use
It is single, it is impossible to meet demand for development of the medical X-ray system for intelligent, man-machine interaction or remote control etc., Yi Shenghuo
There are some inconvenience using upper in person's medical worker.
The content of the invention
For above-mentioned technical problem, the embodiments of the invention provide a kind of X-ray beam-defining clipper and X-ray shooting system, with
The intelligence degree of medical X-ray system is improved, meets the use demand of user.
The first aspect of the embodiment of the present invention provides a kind of X-ray beam-defining clipper.The X-ray beam-defining clipper includes：Beam-defining clipper master
The shade line stereotype structure for changing roentgenogram launched field is provided with body, the front panel of the beam-defining clipper main body；Manual knob；
The manual knob is arranged on outside the beam-defining clipper main body, is connected by drive mechanism with the shade line stereotype structure, for controlling
The shade line stereotype structure is made to swing；Irradiation field indicator lamp, the irradiation field indicator lamp is touched with the knob of the manual knob
Hair is lighted；Interactive device is shown, the display interactive device is arranged on outside the beam-defining clipper main body, for gathering user instruction simultaneously
At least one user interface is shown to user；The display interactive device includes at least one voice acquisition device, gathers user
Phonetic order；Camera, the camera is arranged on the front panel of the beam-defining clipper main body, for virtually putting position and control
Device, the controller is communicated to connect with the camera and display interactive device respectively, according to the user instruction or user
Phonetic order, controls the operation of the X-ray beam-defining clipper.
Alternatively, the drive mechanism is the drive mechanism of closed loop feedback control.
Alternatively, the drive mechanism includes：Stepper motor, transmission component, knob encoder, motor encoder and control
Unit processed.
The knob encoder is arranged on the manual knob, the anglec of rotation of manual knob is converted to corresponding
First encoded radio；The motor encoder is arranged on the stepper motor, gathers the anglec of rotation phase with the stepper motor
Corresponding second encoded radio；The stepper motor drives the shade line stereotype structure to swing by transmission component；The control is single
Member receives first encoded radio and the second encoded radio, drives the stepper motor to operate according to first encoded radio, and
The stepper motor according to the second encoded radio feedback adjustment.
Alternatively, the knob encoder is incremental encoder.
Alternatively, the controller also includes several communication interfaces；The communication interface includes：Serial ports, CAN connect
Mouth and USB interface.
Alternatively, it is additionally provided with anticollision device, collision-prevention device in the beam-defining clipper main body；The anticollision device, collision-prevention device is several ultrasonic sensings
Device, the sonac is connected to prevent from hitting with the controller.
Alternatively, the digital display inclinometer chip for paratonic movement angle is additionally provided with the beam-defining clipper main body.
Alternatively, the laser lamp for position correction is additionally provided with the precalculated position of the beam-defining clipper main body.
Alternatively, the display interactive device is touch middle control display screen.
Second aspect of the present invention provides a kind of X-ray shooting system.The X-ray shooting system includes limit as described above
Beam device.
In technical scheme provided in an embodiment of the present invention, information as camera is additionally arranged on X-ray beam-defining clipper and is adopted
Acquisition means, can provide available image information for X-ray medical system, to realize for example long-range pendulum position, intelligence pendulum position or
The intelligent functions of person's image procossing etc..In addition, the display interactive device additionally set can with convenient use person obtain information or
Person sends instruction, improves interactive convenience.
Brief description of the drawings
Fig. 1 is the operation principle schematic diagram of existing X-ray beam-defining clipper；
Fig. 2 is one embodiment side view of the X-ray beam-defining clipper of the embodiment of the present invention；
Fig. 3 is one embodiment front view of the X-ray beam-defining clipper of the embodiment of the present invention；
Fig. 4 is one embodiment schematic diagram of the drive mechanism of the embodiment of the present invention；
Fig. 5 is one embodiment functional block diagram of the X-ray beam-defining clipper of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other implementation that those skilled in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
It should be noted that when element is expressed " being fixed on " another element, it can directly on another element,
Or there may be one or more elements placed in the middle therebetween.When an element is expressed " connection " another element, it can be with
It is directly to another element or there may be one or more elements placed in the middle therebetween.Used in this specification
The orientation or position of the instruction such as term " vertical ", " level ", "left", "right", " on ", " under ", " interior ", " outer ", " bottom "
Relation is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description, without referring to
Show or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as limitation of the present invention.In addition, term " first ", " second " etc. be only used for describe purpose, and it is not intended that indicate or
Imply relative importance.Unless otherwise defined, technology all used in this specification and scientific terminology are with belonging to the present invention
The implication that is generally understood that of those skilled in the art it is identical.Used art in the description of the invention in this specification
Language is intended merely to describe the purpose of specific embodiment, is not intended to the limitation present invention.Term used in this specification
"and/or" includes the arbitrary and all combination of one or more related Listed Items.In addition, this hair disclosed below
As long as involved technical characteristic does not constitute conflict and can just be combined with each other each other in bright different embodiments.
The primary structure of X-ray beam-defining clipper is the agent structure of beam-defining clipper and is arranged on adjustable in front of agent structure
Folding degree or the stereotype structure in gap, realize its major function（Change the size of roentgenogram launched field）.Fig. 1 is conventional
X-ray beam-defining clipper change roentgenogram launched field operation principle schematic diagram.
Wherein, as shown in figure 1, representing that the focus of x-ray source, to the distance of stereotype, x-ray source is represented apart from B apart from A
Distance of the focus to irradiated site.The distance between stereotype or folding degree are represented apart from a, b is big for roentgenogram launched field
It is small.
In addition, generally can also be provided with irradiation area in the size and location in order to intuitively show irradiation field, beam-defining clipper
With irradiation field identical irradiation field indicator lamp.During operation, determined by the irradiation field indicator lamp specific irradiation field size or
Person position.
According to similar geometry relation, b size can be adjusted by command range a.I.e. by adjustment stereotype away from
From or folding degree change roentgenogram launched field, realize the major function of X-ray beam-defining clipper.
In order to meet the intelligent demand of X-ray medical system, can also be set up in the X-ray beam-defining clipper it is a kind of or
Multiple sensors equipment, collecting device or logic arithmetic element etc., on the basis of X-ray beam-defining clipper completes major function,
More functions are realized, the intelligence degree of X-ray medical system is improved.
Fig. 2 and Fig. 3 is the structural representation of X-ray beam-defining clipper provided in an embodiment of the present invention.As shown in Figures 2 and 3, should
X-ray beam-defining clipper can include：Beam-defining clipper main body 201, manual knob 202, display interactive device 203, camera 204 and control
Device processed, irradiation field indicator lamp（Irradiation field indicator lamp and controller are placed on inside beam-defining clipper main body 201, not shown）.
There is provided the receiving for accommodating difference in functionality module for the main part of beam-defining clipper for the beam-defining clipper main body 201
Space.The beam-defining clipper main body 201 can be any suitable shape, for example the basic shape in cuboid or square.Limit
Beam device main body 201 can also have X-ray absorption effect, and Secondary radiation is produced to stop sand permeation as far as possible or reduce
Region, penetrates the definition of piece, it is ensured that X-ray can only be projected from the gap of stereotype to improve perspective and X-ray.
In further embodiments, the beam-defining clipper main body 201 can also include other suitable structures, for example, penetrated with X
Connecting seat of X-ray mouth of pipe connection of line medical system etc..
As shown in figure 3, being provided with the screening for changing roentgenogram launched field on the front panel of the beam-defining clipper main body 201
Line stereotype structure 206.The shade line stereotype structure 206 can be specifically any suitable stereotype combining structure, such as multiple field,
The basic single-layer type either existing conventional shade line stereotype structure 206 such as flap formula.
The manual knob 202 is arranged on outside the beam-defining clipper main body 201, is used as the control of shade line stereotype structure 206
Mechanism.The manual knob 202 is set up by the drive mechanism being arranged in beam-defining clipper main body 201 with the shade line stereotype structure to be connected
Connect.Such, user can control the shade line stereotype structure to swing by rotary manual knob 202, so as to adjust X-ray
Irradiation field.
In addition, when manual knob is rotated.Controller automatically controls indicator lamp according to the spinning movement of manual knob
Light（I.e. described irradiation field indicator lamp can be triggered and lighted with the knob of the manual knob）So as to so that doctor operates
When reduce an operating procedure, be more convenient for using.
The problem of mode of the manual knob control usually used usually there will be regulation overshoot or postpone, the shifting of stereotype
It is dynamic to there is certain hysteresis effect between the rotation of manual knob.In certain embodiments, it can use with closed loop feedback
The drive mechanism of control reduces such hysteresis effect as far as possible, it is to avoid overshoot postpones, it is ensured that manual knob and leaf
Being synchronized with the movement between piece.
Fig. 4 to be provided in an embodiment of the present invention, can to realize stereotype move zero time lag drive mechanism structural frames
Figure.As shown in figure 4, the drive mechanism can include：Stepper motor 301, transmission component 302, knob encoder 303, motor are compiled
Code device 304 and control unit 305.
Wherein, the knob encoder 303 is arranged on the manual knob 202, and the anglec of rotation of manual knob is turned
It is changed to the first corresponding encoded radio.The motor encoder 304 is arranged on the stepper motor 301, collection and the step
The second corresponding encoded radio of the anglec of rotation of stepper motor.
The stepper motor 301 then drives the stereotype in the shade line stereotype structure to swing by transmission component 302, changes
The irradiation field of X-ray.Described control unit 305 receives first encoded radio and the second encoded radio, is compiled according to described first
Code value drives the stepper motor 301 to operate, and the stepper motor 302 according to the second encoded radio feedback adjustment, realizes
Feedback closed loop is adjusted.
In the present embodiment, the knob encoder 303 and motor encoder 304 specifically can be using any suitable volumes
Code, the anglec of rotation is converted to corresponding coding by such as Gray code or other similar loop codings with incremental encoder
Numerical value.
In certain embodiments, the stepper motor 301 may be replaced by other suitably, with enough control accuracies
Actuating unit and be not limited to motor.Control unit 305 can be any suitable, the control with certain logical operation capability
Device processed, such as single-chip microcomputer.Certainly, the control unit 305 is also used as a part for controller, is incorporated into controller,
It is used as one of functional module.Control unit 305 realizes the feedback closed loop control for stepper motor by the second encoded radio
System.
The display interactive device 203 is arranged on outside the beam-defining clipper main body.It can be any suitable, can be used for
Collection user instruction simultaneously shows the interactive device of at least one user interface to user, such as touch middle control display screen, control
Button processed, light-emitting diode display etc..
Wherein, the display interactive device includes at least one voice acquisition device, collection user speech instruction.The voice
Harvester can be high-precision microphone or other suitable voice capture devices, the voice transfer after collection to control
In device, the X-ray beam-defining clipper is controlled to perform corresponding function by controller.It is such, it is possible to achieve the Voice command of beam-defining clipper
Function.
Certainly, user instruction can also be obtained by control button or middle control display screen, and user interface can then lead to
Middle control display screen or light-emitting diode display etc. is crossed to show to user.By the display interactive device, user can input user and refer to
Order, carries out the operation such as calibration, control of LED light of beam-defining clipper.In further embodiments, in the display interactive device
Performance allow in the case of, such as when with the sufficiently large screen of size, can also further increase more control work(
Can, motion, exposure parameter setting for controlling whole X-ray shooting system etc., instead of original ox head.
The camera 204 is arranged on the front panel of the beam-defining clipper main body, the image in front of collection（Shoot mesh
Mark）.Such as it can specifically be arranged on the optional position of front panel, as shown in Figure 3, the top of stereotype.The controller point
Do not communicated to connect with the camera 204 and display interactive device 203, receive corresponding data/commands or transmission is corresponding
Data.
By setting the camera 204, image that can automatically in front of beam-defining clipper obtains the specific feelings that patient shoots
Condition, passes through the logic control of controller, it is possible to achieve the function of long-range pendulum position.That is, under software cooperation, doctor can pass through
Camera image controls light concentrator light field size, saves doctor and confirms this work of the position of patient back and forth from computer room to operating room
Step.Further, it can also realize that intelligent position is recognized by software and camera.
In the present embodiment, doctor need not can also be observed that current situation into computer room, control gantry motion with
The roentgenogram launched field of beam-defining clipper is set to be directed at focus（Target shoots position）, the role for playing " eyes ".
In further embodiments, the controller can also further perform the related image procossing such as visual identity
Operation method, adjust automatically frame alignment focus realizes intelligence pendulum position.
Alternatively, as shown in figure 3, can also further be provided with laser lamp on the front panel of beam-defining clipper main body 201
207.The laser lamp 207 can also be connected with controller, under the control of display interactive device 203, be turned on or off.This swashs
Light lamp 207 can play indicative function, make beam-defining clipper 201 basic as the calibration of the frame of X-ray shooting system, be easy to
Carry out the debugging of X-ray shooting system.
The structured flowchart for the beam-defining clipper that Fig. 5 provides for another embodiment of the present invention.In the present embodiment, the beam-defining clipper may be used also
Increase other sensor modules with further, under the control of the controller, realize more functions, possess more preferable intelligence
Change degree.
As shown in figure 5, in addition to the constructional device shown in Fig. 2 and Fig. 3, the beam-defining clipper can also include：Controller 205,
Several communication interfaces 401, sonac 402 and digital display inclinometer chip 403.
Wherein, the communication interface 401 can include：One kind in serial ports, CAN interface and USB interface or
It is a variety of.Pass through the communication interface 401, it is possible to achieve the connection of controller and other external equipments, in order to realize different intelligence
Control process can be changed.For example, can be communicated with computer, it is integrated related to beam-defining clipper in image processing software to answer
With.
The sonac 402 could be arranged to several, be used as anticollision device, collision-prevention device.Sonac 402 is located at
On the suitable position of beam-defining clipper main body 201, it is connected with the controller 205, feeds back corresponding ultrasonic signal to controller
205.Controller 205 is according to these ultrasonic signals, after analysis is calculated, it is ensured that during gantry motion, do not collide, and ensures X-ray
The safety of camera chain.
Beam-defining clipper can be sensed by being provided with digital display inclinometer chip 403（That is the head of X-ray shooting system）Motion angle
Degree.It is also connected the change in location information there is provided beam-defining clipper during machine frame movement, assistance controller 205 with controller 205
The movement of more precise control frame.
In actual application, because beam-defining clipper possesses a variety of different functions.Therefore, such limit beam has been used
The X-ray shooting system of device has higher intellectuality.It can realize for example：After patient's bar code is scanned through, system can be certainly
The dynamic size and location for determining irradiation field；Or during patient's film making, doctor just can the focus to be clapped of accurate observation by camera
Position, without entering computer room, can carry out intelligence pendulum position, so as to greatly improve the efficiency of film making.In addition, in the present embodiment, zero
Time lag blade movement make it that in During manual operation the What You See Is What You Get of doctor is not in overshoot phenomenon, makes the pendulum of frame
Position is more accurate.
In summary, the characteristics of beam-defining clipper provided in an embodiment of the present invention has stereotype zero time lag of motion control, can be with
Middle control display screen is that window sufficiently carries out man-machine interaction.The setting of multi-motion sensor ensure that system has more preferable peace
Full guard measure.It is no longer an independent accessory, the function of " eye " can be served as in machine system and further
Image processing software can be inserted by application, greatly promote the experience sense of clinical manipulation, meet X-ray camera system to compared with
The requirement of high-intelligentization degree.
It is understood that for those of ordinary skills, can be with technique according to the invention scheme and this hair
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect scope.
Claims (10)
1. a kind of X-ray beam-defining clipper, it is characterised in that including：
The shade line stereotype knot for changing roentgenogram launched field is provided with beam-defining clipper main body, the front panel of the beam-defining clipper main body
Structure；
Manual knob；The manual knob is arranged on outside the beam-defining clipper main body, passes through drive mechanism and the shade line stereotype knot
Structure is connected, for controlling the shade line stereotype structure to swing；
Irradiation field indicator lamp, the irradiation field indicator lamp is triggered and lighted with the knob of the manual knob；
Show interactive device, the display interactive device is arranged on outside the beam-defining clipper main body, for gather user instruction and to
User shows at least one user interface；The display interactive device includes at least one voice acquisition device, gathers user's language
Sound is instructed；
Camera, the camera is arranged on the front panel of the beam-defining clipper main body, and for virtually putting position, controller is described
Controller is communicated to connect with the camera and display interactive device respectively, is referred to according to the user instruction or user speech
Order, controls the operation of the X-ray beam-defining clipper.
2. X-ray beam-defining clipper according to claim 1, it is characterised in that the drive mechanism is closed loop feedback control
Drive mechanism.
3. X-ray beam-defining clipper according to claim 2, it is characterised in that the drive mechanism includes：Stepper motor, biography
Dynamic component, knob encoder, motor encoder and control unit；
The knob encoder is arranged on the manual knob, and the anglec of rotation of manual knob is converted into corresponding first
Encoded radio；
The motor encoder is arranged on the stepper motor, gathers corresponding with the anglec of rotation of the stepper motor the
Two encoded radios
The stepper motor drives the shade line stereotype structure to swing by transmission component；
Described control unit receives first encoded radio and the second encoded radio, and the step is driven according to first encoded radio
Stepper motor is operated, and the stepper motor according to the second encoded radio feedback adjustment.
4. X-ray beam-defining clipper according to claim 3, it is characterised in that the knob encoder is incremental encoder.
5. X-ray beam-defining clipper according to claim 1, it is characterised in that the controller also connects including several communications
Mouthful；The communication interface includes：Serial ports, CAN interface and USB interface.
6. X-ray beam-defining clipper according to claim 1, it is characterised in that be additionally provided with anticollision in the beam-defining clipper main body
Device；The anticollision device, collision-prevention device is several sonacs, and the sonac is connected to prevent from hitting with the controller.
7. X-ray beam-defining clipper according to claim 1, it is characterised in that being additionally provided with the beam-defining clipper main body is used for
The digital display inclinometer chip of paratonic movement angle.
8. X-ray beam-defining clipper according to claim 1, it is characterised in that on the precalculated position of the beam-defining clipper main body also
It is provided with the laser lamp for position correction.
9. X-ray beam-defining clipper according to claim 1, it is characterised in that the display interactive device is touch middle control
Display screen.
10. a kind of X-ray shooting system, it is characterised in that including the beam-defining clipper as described in claim 1-9 is any.
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| CN201710419438.7A CN107242880A (en) | 2017-06-06 | 2017-06-06 | X-ray beam limiter and X-ray photography system |
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| CN201710419438.7A CN107242880A (en) | 2017-06-06 | 2017-06-06 | X-ray beam limiter and X-ray photography system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465201A (en) * | 2018-11-15 | 2019-03-15 | 楚天科技股份有限公司 | A kind of detection method and lamp inspection machine of lamp inspection machine |
| CN109788256A (en) * | 2019-01-30 | 2019-05-21 | 温州大学 | A kind of display system of multi-modality images |
| CN110811654A (en) * | 2019-11-12 | 2020-02-21 | 飞瑞医疗器械(嘉兴)有限公司 | X-ray exposure control system and control method thereof |
| CN111000582A (en) * | 2019-12-31 | 2020-04-14 | 南通市亿东医疗仪器有限公司 | X-ray radiation protection device with bulb tube, screen frame and DR imaging plate lifting in linkage mode |
| CN111134708A (en) * | 2020-01-06 | 2020-05-12 | 京东方科技集团股份有限公司 | Beam limiter control device and method, and radioactive ray imaging equipment |
| CN111134704A (en) * | 2020-01-20 | 2020-05-12 | 飞瑞医疗器械(嘉兴)有限公司 | X-ray apparatus and control method thereof |
| CN111407301A (en) * | 2020-04-10 | 2020-07-14 | 苏州波影医疗技术有限公司 | Remote positioning system for CT system |
| CN114531767A (en) * | 2022-04-20 | 2022-05-24 | 深圳市宝润科技有限公司 | Visual X-ray positioning method and system for handheld X-ray machine |
| CN115024740A (en) * | 2022-08-11 | 2022-09-09 | 晓智未来(成都)科技有限公司 | Virtual radiation field display method for common X-ray photography |
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| CN111134708B (en) * | 2020-01-06 | 2023-11-14 | 京东方科技集团股份有限公司 | Beam limiter control device and method and radiation imaging equipment |
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| CN115024740A (en) * | 2022-08-11 | 2022-09-09 | 晓智未来(成都)科技有限公司 | Virtual radiation field display method for common X-ray photography |
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