CN208808501U - X-ray imaging instrument - Google Patents
X-ray imaging instrument Download PDFInfo
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- CN208808501U CN208808501U CN201721738334.4U CN201721738334U CN208808501U CN 208808501 U CN208808501 U CN 208808501U CN 201721738334 U CN201721738334 U CN 201721738334U CN 208808501 U CN208808501 U CN 208808501U
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Abstract
This application discloses a kind of x-ray imaging instrument, comprising: X-ray generates equipment, for generating X-ray；X-ray beam splitting device is set to X-ray and generates on the emitting light path of equipment, for X-ray to be divided into first part and second part；X-ray detecting equipment, including the first X-ray detecting equipment and the second X-ray detecting equipment；Time synchronism equipment connects X-ray detecting equipment, for providing time synchronizing signal for the first X-ray detecting equipment and the second X-ray detecting equipment；Signal handling equipment, Connection Time synchronizer and X-ray detecting equipment, the signal for being exported according to time synchronizing signal to the first X-ray detecting equipment and the second X-ray detecting equipment is associated processing, to calculate the transmission image of determinand.By the above-mentioned means, the application can effectively filter out the noise of system, the display quality of transmission image is improved, reduces the injury to determinand.
Description
Technical field
This application involves x-ray imaging technology fields, more particularly to a kind of x-ray imaging instrument.
Background technique
Medical Imaging is always the hot spot of diagnostic techniques, and x-ray imaging equipment is the mainstream equipment of current medical imaging
One of.Currently, being widely used in goals of medicine x-ray imaging equipment is to utilize the image of X-ray acquisition inside of human body, and X-ray
Imaging device can by by X-ray radiation to shooting position (for example, head, chest etc.) and detect the method for X-ray penetrated come
Obtain the image of inside of human body.
With the development of information technology, conventional method is combined with digital technology, has derived a series of digital imagery skills
Art.1981, there is digital X-ray imaging technology (Computed Radiograph, CR).CR technology uses Image Plate generation
X-ray is recorded for traditional film/intensifying screen, then with laser pumping Image Plate, is passed through dedicated readout equipment and read image
The digital signal of plate storage, is handled and is imaged with computer again later.1997, and there is direct digitization X-ray
Imaging technique (Direct Radiography, DR), the detector of DR technology can be direct by the X-ray signal detected rapidly
It is converted into digital signal output, does not need the laser scanning and dedicated readout equipment in CR.Conventional planar is imaged just by new
The challenge of emerging digital imaging technology.Key based on X-ray penetrability imaging technique is X-ray emitter, detector and imaging
The exploitation and improvement of software.
But the dose of radiation of x-ray imaging instrument still has certain injury to human body at present, the resolution ratio of imaging also has
Wait improve.
Summary of the invention
The application provides a kind of x-ray imaging instrument, can effectively filter out the noise of system, improves the display matter of transmission image
Amount.
In order to solve the above technical problems, another technical solution that the application uses is: a kind of x-ray imaging instrument is provided,
It include: that X-ray generates equipment, for generating X-ray；X-ray beam splitting device is set to the outgoing that the X-ray generates equipment
In optical path, for the X-ray to be divided into first part and second part, wherein the X-ray of the first part is as detection
Light is incident on determinand；X-ray detecting equipment, including the first X-ray detecting equipment and the second X-ray detecting equipment, it is described
First X-ray detecting equipment is used to detect first part's X-ray through the object transmission to be detected, and described second
X-ray detecting equipment is for detecting the X-ray of the second part without the determinand；Time synchronization is set
It is standby, the X-ray detecting equipment is connected, for mentioning for first X-ray detecting equipment and second X-ray detecting equipment
For time synchronizing signal, so that the letter that first X-ray detecting equipment and second X-ray detecting equipment export respectively
It number synchronizes in time；Signal handling equipment connects the time synchronism equipment and the X-ray detecting equipment, is used for basis
The signal that the time synchronizing signal exports first X-ray detecting equipment and second X-ray detecting equipment carries out
Association process, to calculate the transmission image of the determinand.
The beneficial effect of the application is: providing a kind of x-ray imaging instrument, penetrates by using signal association algorithm to the first X
Line detection device and the signal of the second X-ray detecting equipment output are associated processing, can effectively filter out the noise of system, mention
The display quality of highly transmissive image.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the application x-ray imaging instrument first embodiment.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiment of the application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Figure is please referred to, Fig. 1 is the structural schematic diagram of the application first embodiment.X-ray provided in the present embodiment
Imager 10 include: X-ray generate equipment 11, X-ray beam splitting device 12, X-ray detecting equipment 13, time synchronism equipment 14 with
And signal handling equipment 15.
X-ray generates equipment 11 for generating X-ray.Optionally, it may include X-ray bulb that X-ray, which generates equipment 11,
111 and collimator 112.Wherein, it can control its intensity for generating X-ray by adjusting the size of 111 voltage of X-ray bulb,
And voltage strength required for X-ray bulb 111 is related to the detectivity of X-ray detecting equipment 13, that is to say, that X-ray
The adjusting voltage of bulb 111 changes with the variation of the detectivity of X-ray detecting equipment 13.
Collimator 112 is for carrying out collimation processing to the X-ray that X-ray bulb 111 generates, i.e., to the angle of divergence of X-ray
It is effectively compressed, becomes the X-ray beam for the shape that meets the requirements.
X-ray beam splitting device 12 is set to X-ray and generates on the emitting light path of equipment 11, for X-ray to be divided into first
Part and second part, wherein the X-ray of first part is incident on determinand as detection light.Optionally, in the present embodiment
X-ray beam splitting device 12 further comprise beam splitter 121, beam splitter 121 is used to carry out X-ray according to preset splitting ratio
It is beamed into first part and second part.Wherein first part's X-ray shines directly on determinand, and second part X-ray is straight
It connects and is detected by X-ray detecting equipment 13.Wherein, the splitting ratio of beam splitter 121 needs the detection according to X-ray detecting equipment 13
Sensitivity determines.
X-ray detecting equipment 13 includes the first X-ray detecting equipment 131 and the second X-ray detecting equipment 132.Wherein,
For detecting to the first part's X-ray transmitted through object to be detected, the second X-ray detection is set one X-ray detecting equipment 131
Standby 132 for detecting the X-ray of the second part without determinand.
Wherein, the detectivity of the first X-ray detecting equipment 131 and the second X-ray detecting equipment 132 determines X-ray
The splitting ratio of beam splitter 121 in beam splitting device 12.Specifically, when the detectivity of the first X-ray detecting equipment 131 is than
When the high sensitivity of two x-ray inspection equipments 132, splitting ratio (i.e. first part's X-ray and the of beam splitter 121 is selected at this time
The ratio between two partial x-ray light intensity) less than 1, that is to say, that the luminous intensity for assigning to first part's X-ray on determinand is less than directly
Into the second part X-ray light intensity of the second X-ray detecting equipment 132.Conversely, then selecting the splitting ratio of selection beam splitter 121
More than or equal to 1.Certainly, the splitting ratio of beam splitter 121 only schematical citing in the present embodiment, in other embodiments
It may be the ratio between second part X-ray and first point of X-ray light intensity, do not further limit herein.
Optionally, photosurface of the photosensitive area of the first X-ray detecting equipment 131 less than the second X-ray detecting equipment 132
Product.In a particular embodiment, the first X-ray detecting equipment 131 can be point detector or line detector, be specifically as follows monochromatic light
Sub- detector.Second X-ray detecting equipment 132 can be surface detector, for receiving the two dimension point of second part X-ray intensity
Cloth, and can real second part X-ray face battle array detection.And the X-ray detecting equipment 13 in the present embodiment can also be further
Including convergence device A, convergence device A is used to converging to the first part's X-ray transmitted through object to be detected into the inspection of the first X-ray
Measurement equipment 131.And in a specific embodiment, convergence device A can be convex lens etc., not further limit herein.
In a particular embodiment, first part's X-ray is incident on determinand as detection light, and through after the determinand
X-ray light be accumulated to the first X-ray detecting equipment 131 by convergence device A (using single photon detection in the present embodiment
Device), second part X-ray is directly transmitted on the second X-ray detecting equipment 132 (using surface detector in the present embodiment).This
Place, because the X-ray concentration after determinand transmits converges on the first X-ray detecting equipment 131, then the first X-ray detection is set
Detection energy needed for standby 131 can be reduced and be set to X-ray generation less than energy needed for 132 equipment of the second X-ray detection
Standby 11 power requirement further decreases X-ray and generates the transmission power of equipment 11, and then can reduce the wound to determinand
Evil.First part's X-ray light that first X-ray detecting equipment 131 further will transmit through determinand is converted to the intensity letter of X-ray
Number and export, second part X-ray is further converted to the strength signal of X-ray by the second X-ray detecting equipment 132, and defeated
Out.
Time synchronism equipment 14 connects X-ray detecting equipment 13, for penetrating for the first X-ray detecting equipment 131 and the 2nd X
Line detection device 132 provides time synchronizing signal, so that the first X-ray detecting equipment 131 and the second X-ray detecting equipment
132 signals exported respectively synchronize in time.Wherein, time synchronism equipment 14 may include time-frequency device, since the first X is penetrated
Line detection device 131 and the X-ray intensity signal of the second X-ray detecting equipment 132 output may not be while arriving signal
Processing equipment 15, it is therefore desirable to time-frequency device improve synchronization signal so that the two output strength signal synchronize in time,
Guarantee subsequent association process.
Signal handling equipment 15, Connection Time synchronizer 14 and X-ray detecting equipment 13, for being believed according to time synchronization
Number signal exported to the first X-ray detecting equipment 131 and the second X-ray detecting equipment 132 is associated processing, to calculate
The transmission image of determinand.
Wherein, signal handling equipment 15 may include data processor, and data processor is first to the first X being respectively received
The X-ray intensity signal progress noise reduction and filtering processing of ray detector 131 and the output of the second detection device 132, and according to
Time synchronizing signal provided by time synchronism equipment 14, the time that tracer signal reaches, to the first X-ray detecting equipment
131 and second the X-ray intensity signal that exports of detection device 132 carry out counting association process, and further determinand at resolving
Transmission image.
In a specific embodiment, the first X-ray detecting equipment 131 is single-photon detector, and the second detection device 132 is
Surface detector.Wherein, the strength signal for the X-ray that single-photon detector is detected can be the function with time correlation, face
The strength signal for the X-ray that detector 2 is detected also is the function with time correlation, by each moment surface detector and monochromatic light
The function for the point that sub- detector detects does association process respectively, and calculates every association numerical value, can finally resolve
To function curve relevant with determinand transmission image.It is only schematical for example, in other realities in certain the present embodiment
It applies in mode, the function that X-ray detecting equipment is exported can also be function relevant with other parameters, not do herein further
It limits.
Above embodiment can effectively filter out the noise of system by using association algorithm, improve the aobvious of transmission image
Show quality.
Optionally, x-ray imaging instrument 10 provided herein can also include further display equipment 16, and show
16 connection signal processing equipment 15 of equipment, the transmission image of the determinand for showing signal handling equipment output.And this implementation
Display equipment 16 in example can be using the display of routine, naturally it is also possible to be three dimensional display, mechanical display etc., herein
It does not further limit.
Above embodiment sets the first X-ray detecting equipment and the second X-ray detection by using signal association algorithm
The signal of standby output is associated processing, can effectively filter out the noise of system, improve the display quality of transmission image, and first
X-ray detecting equipment uses single-photon detector, it is possible to reduce the power requirement that equipment is generated to X-ray further decreases X and penetrates
Line generates the transmission power of equipment, and then can reduce the injury to determinand.
In conclusion it should be readily apparent to one skilled in the art that the application provides a kind of x-ray imaging instrument, by using letter
The signal that number association algorithm exports the first X-ray detecting equipment and the second X-ray detecting equipment is associated processing, Ke Yiyou
The noise for imitating filtering appts, improves the display quality of transmission image.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of x-ray imaging instrument characterized by comprising
X-ray generates equipment, for generating X-ray；
X-ray beam splitting device is set to the X-ray and generates on the emitting light path of equipment, for the X-ray to be divided into first
Part and second part, wherein the X-ray of the first part is incident on determinand as detection light；
X-ray detecting equipment, including the first X-ray detecting equipment and the second X-ray detecting equipment, first X-ray detection
Equipment for detecting to the first part's X-ray transmitted through the determinand, use by second X-ray detecting equipment
It is detected in the X-ray to the second part without the determinand；
Time synchronism equipment connects the X-ray detecting equipment, for being first X-ray detecting equipment and the 2nd X
Ray detector provides time synchronizing signal, so that first X-ray detecting equipment and second X-ray detection are set
The signal that back-up does not export synchronizes in time；
Signal handling equipment connects the time synchronism equipment and the X-ray detecting equipment, for according to the time synchronization
The signal that signal exports first X-ray detecting equipment and second X-ray detecting equipment is associated processing, with solution
Calculate the transmission image of the determinand.
2. x-ray imaging instrument according to claim 1, which is characterized in that the photosurface of first X-ray detecting equipment
Product is less than the photosensitive area of second X-ray detecting equipment.
3. x-ray imaging instrument according to claim 2, which is characterized in that the X-ray detecting equipment further comprises converging
Poly- equipment, the convergence device are penetrated for the first part's X-ray transmitted through the determinand to be converged to the first X
Line detection device.
4. x-ray imaging instrument according to claim 2, which is characterized in that first X-ray detecting equipment is point detection
Device or line detector.
5. x-ray imaging instrument according to claim 4, which is characterized in that first X-ray detecting equipment is single photon
Detector.
6. x-ray imaging instrument according to claim 2, which is characterized in that second X-ray detecting equipment is face detection
Device.
7. x-ray imaging instrument according to claim 1, which is characterized in that it includes X-ray ball that the X-ray, which generates equipment,
Pipe and collimator, the X-ray bulb are used to control the intensity of the X-ray, and the collimator is used to carry out the X-ray
Collimation.
8. x-ray imaging instrument according to claim 1, which is characterized in that the signal handling equipment is being associated place
Before reason, first to first X-ray detecting equipment and the second X-ray detecting equipment output signal is filtered and noise reduction
Processing.
9. x-ray imaging instrument according to claim 1, which is characterized in that the X-ray beam splitting device includes beam splitter,
The beam splitter is used to the X-ray being split into the first part and second described according to preset splitting ratio
Point.
10. x-ray imaging instrument according to claim 1 to 9, which is characterized in that the x-ray imaging instrument is also
Including showing that equipment, the display equipment connect the signal handling equipment, for showing the signal handling equipment output
The transmission image of the determinand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721738334.4U CN208808501U (en) | 2017-12-13 | 2017-12-13 | X-ray imaging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721738334.4U CN208808501U (en) | 2017-12-13 | 2017-12-13 | X-ray imaging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208808501U true CN208808501U (en) | 2019-05-03 |
Family
ID=66267344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721738334.4U Active CN208808501U (en) | 2017-12-13 | 2017-12-13 | X-ray imaging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208808501U (en) |
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2017
- 2017-12-13 CN CN201721738334.4U patent/CN208808501U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191125 Address after: 401220 No. 6 Xinmin Road, Xinshi Street, Changshou District, Chongqing Patentee after: Chongqing Kun Technology Co., Ltd. Address before: 100193 No. 4, No. 1, building 1, 33 Jin Jie Road, Haidian District, Beijing. Patentee before: Beijing quantum system Polytron Technologies Inc |