CN109846507A - A kind of system for CT detection - Google Patents
A kind of system for CT detection Download PDFInfo
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- CN109846507A CN109846507A CN201910119606.XA CN201910119606A CN109846507A CN 109846507 A CN109846507 A CN 109846507A CN 201910119606 A CN201910119606 A CN 201910119606A CN 109846507 A CN109846507 A CN 109846507A
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Abstract
The present invention provides a kind of systems for CT detection, including receive plate, and the reception plate is spliced by multiple X-ray receiver boards, wherein are provided on each X-ray receiver board one or more for receiving the detector cells of X-ray；High speed processing chip is integrated in the detector cells.Receive the plate detector cells high by sensitivity, utilize the X-ray beam of Accurate collimation, make profile scanning one by one in a certain position of surrounding target, and the photon signal after X-ray beam passes through photographed object is received using plate is received, be converted to corresponding electric signal, and combine high speed processing chip, realize that volume CT resets and rebuilds in detector, the data rebuild are controlled into computer by mature 5G Wireless data transmission technology transfer to outside, it is the configuration of the present invention is simple, powerful, easy to operate, there is high commercial value.
Description
Technical field
The present invention relates to medicine CT or the field safety check CT more particularly to a kind of systems for CT detection.
Background technique
CT (Computed Tomography), i.e. CT scan, it is the X-ray beam using Accurate collimation,
Continuous cross-section scanning is made at a certain position of surrounding target together with the detector high with sensitivity.It is fast with sweep time, figure
It is indispensable equipment in medical diagnosis as the features such as clear.
Core part first is that CT detector in CT machine.It is amount of x-ray is converted to it is directly proportional to amount of x-ray, can
For the device of the electric signal of record.Conventional detectors at present on the market are mostly arc-shaped, expensive, and detection area mistake
It is small, cause the area of x-ray scanning that can also reduce therewith.Therefore it needs through the high revolving speed of rack to reach quickly sweeping to target
It retouches, coffin top shape is presented in this finally formed image of mode.In quickly scanning target object, X-ray dosage also be will increase,
Patient body is injured larger.Data transmission is carried out usually using slip ring in traditional CT machine, but slip ring is at high cost at present,
And it is monopolized by foreign countries, therefore higher using the universal price of CT machine of slip ring.
Therefore, currently on the market there is no it is a kind of be able to solve above-mentioned technical problem, it is a kind of comprising multifocal bulb and
The X-ray of big detection area receives the CT detection system of plate.Specifically, it is simple, low cost for CT that there is no a kind of designs
The system of detection.
Summary of the invention
For technological deficiency of the existing technology, the object of the present invention is to provide a kind of system for CT detection, packets
It includes:
Plate is received, the reception plate is spliced by multiple X-ray receiver boards, wherein
It is provided on each X-ray receiver board one or more for receiving the detector cells of X-ray；The detector cells
Inside it is integrated with high speed processing chip.
Preferably, the detector cells configure at least one or multiple hard disks, and the hard disk is for storing data.
Preferably, in the reception plate, each column is at least provided with two X-ray receiver boards, at least provided with eight column.
Preferably, the length or width of the X-ray receiver board is 20cm~100cm.
Preferably, the X-ray receiver board with a thickness of 2mm~8mm.
Preferably, the detector cells are DR dynamic probe.
Preferably, the system for CT detection further includes the CT bulb being arranged in above the reception plate, described
CT bulb includes the emission of cathode component and anode disc, wherein the emission of cathode component includes at least spacing side by side
The multiple emission of cathode main bodys being arranged and multiple high pressure generators, one or more one or more yin of high pressure generator connection
Pole emits main body so that the multiple emission of cathode main body interval configures same or different voltage.
Preferably, the CT bulb discharges X-ray light beam in the operating condition, and is received by the reception plate.
Preferably, the emission of cathode main body is at least provided with 8.
Preferably, the spacing at each emission of cathode main body interval is 2cm~12cm.
It is high with sensitivity by the X-ray beam of Accurate collimation the present invention provides a kind of system for CT detection
Profile scanning one by one is made at a certain position of detector cells surrounding target together, and receives x-ray using plate is received
Beam passes through the photon signal after photographed object, is converted to corresponding electric signal, the configuration of the present invention is simple, function by the characteristic of its own
Can be powerful, easy to operate, there is high commercial value.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 shows a kind of schematic diagram of system for CT detection provided by the invention；
Fig. 2 shows receive the structural schematic diagram that X-ray receiver board is arranged in plate；
Fig. 3 shows detector cells and configures at least one or the schematic diagram of multiple hard disks；
Fig. 4 shows the structural schematic diagram for receiving the CT bulb above plate；
Fig. 5 shows multiple emission of cathode main body odd number sequence configuration high voltages, and even number sequence configures the schematic diagram of lower voltage；
Fig. 6 shows multiple emission of cathode main body odd number sequence configuration lower voltages, and even number sequence configures the schematic diagram of high voltage；
Fig. 7 shows CT bulb and realizes that each anode disc successively irradiates, into positioning as the structural schematic diagram of mode.
Specific embodiment
In order to preferably technical solution of the present invention be made clearly to show, the present invention is made into one with reference to the accompanying drawing
Walk explanation.
The present invention provides a kind of system for CT detection, referring to Fig. 1, the system for CT detection includes receiving
Plate 1.Specifically, the reception plate 1 is spliced by multiple X-ray receiver boards 11.Fig. 2 shows for receiving the institute of X-ray
State the structural schematic diagram for receiving plate 1.Specifically, referring to Fig. 2, the reception plate 1 by multiple X-ray receiver boards 11 splice and
At.The X-ray receiver board 11 can receive X-ray.As shown in Figure 1, the reception plate 1 is located at the lower section in Fig. 1, it is by more
One piece of rectangular flat plate that a X-ray receiver board 11 is formed by connecting.Preferably, the reception plate 1 can Z-direction (i.e. with sweep
Retouch the vertical direction of plane) on realize double-sheet splicing.
Further, it is provided on each X-ray receiver board 11 one or more for receiving the detector cells of X-ray
2, multiple detector cells 2 collectively constitute the detector in system.Please continue to refer to Fig. 1, the setting of detector cells 2 exists
On X-ray receiver board 11, for X-ray energy to be converted into electric signal；Further, collection in each X-ray receiver board 11
At there is high speed processing chip, realize that volume CT resets and rebuilds in detector cells 2.
Fig. 3 shows the detector cells 2 and configures at least one or the schematic diagram of multiple hard disks 3.The detector list
It is configured at least one or multiple hard disks 3 in member 2, for storing data, the detector cells 2 are in X-ray receiver board for the hard disk 3
It is bonded on 11 outer surface.In the operating condition, the X-ray beam of the Accurate collimation generated using CT bulb, it is high with sensitivity
Make continuous cross-section scanning in a certain position of the surrounding target together of detector cells 2.Target object is swept in detector cells 2
After retouching, the data collected of detector cells 2 are stored in hard disk 3.
It will be appreciated by those skilled in the art that presence of the traditional CT due to volume effect, the narrower width of detector cells 2.When
When the tissue that same scanning level includes two kinds or more different densities is overlapped, reflection that measured CT value cannot be strictly according to the facts
It is any in the unit voxel to organize true CT value, it is therefore desirable to reach the quick scanning of target with the high revolving speed of rack.
And due to the realization of multifocal bulb in the design, the detector cells 2 are preferably visited using the slow DR dynamic of acquisition
Device is surveyed, slow scanning is carried out to target object, reduces partial volume effect in this way.The DR dynamic probe time of integration
Long far beyond the traditional CT detectors time of integration, acquisition speed is slower, therefore the mAs in the design may be adjusted to the 1/ of common CT
5 or so, reduce the injury to target object.In addition, in the design DR dynamic probe module be integrated manufacture, have compared with
High consistency, and the uniformity consistency of each detector cells 2 is good, image accuracy can also improve.
It further, is that the data for being directly collected into detector pass through in currently available technology, in traditional CT machine
Slip ring is transmitted to outer computer reconstruction, and the slip ring manufacturing cost for high speed data transfer is high and the technology is external slip ring
Technical monopoly point.Data transmission is not carried out using slip ring in the present invention, but detector directly is set on receiving plate
Unit, and handle chip using the integrated high-speed in detector cells realizes that volume CT is reset and again in detector cells
It builds, the data rebuild only is controlled into computer by mature 5G Wireless data transmission technology transfer to outside, are realized
No data conveyer chain slip ring greatly reduces the production and application cost of the system for CT detection.
Please continue to refer to Fig. 2, Fig. 2 shows the reception plates 1 to be shown by the structure that multiple X-ray receiver boards 11 are spliced
It is intended to.At least eight column, each column at least install two X-ray receiver boards 11, therefore the X-ray receiver board in the reception plate 1
11 minimum number is 16.Detector cells 2 are provided in each X-ray receiver board 11.1 area of reception plate
Bigger, detection area is also bigger, this has also resulted in wide compared with conventional detectors in Z-direction (i.e. the direction vertical with the plane of scanning motion)
4-8 times, therefore gantry rotation rate can be reduced accordingly, to obtain the longer time of integration, while low speed rotation can bring it is low from
Mental and physical efforts.
Further, the length or width of the X-ray receiver board is 20cm~100cm, i.e., any of the described X-ray receiver board
Side size range can be 20cm~100cm, wherein the preferred size of the X-ray receiver board is 43*43mm.Art technology
Personnel understand that the X-ray receiver board is 43*43cm, and the multiple X-ray receiver board is three sides without board design, set with wafer
Meter matching can be realized at the direction XY (i.e. the plane of scanning motion) splices, and in Z-direction, full-length 43cm.Wherein, the Z-direction
It is the direction vertical with the plane of scanning motion, i.e., into the direction of bed in CT system.Preferably, the X-ray receiver board with a thickness of 2mm~
8mm, the nonuniform noise of this regularly arranged uniform array and " adaptive ", can reduce or eliminate due to pencil-beam cone angle
Increase give picture quality bring negative effect.
A kind of system for CT detection provided by the invention further includes the CT bulb that 1 top of reception plate is arranged in
4.Specifically, the CT bulb 4 includes the emission of cathode component 41 and anode disc 42, as shown in figure 4, the CT bulb
4 are located at 1 top of reception plate, for emitting X-ray.
Further, the emission of cathode component 41 includes at least multiple emission of cathode main bodys 411 of spacing side by side setting
And multiple high pressure generators 412.Wherein, one or more high pressure generators 412 connect one or more emission of cathode main bodys
411, so that the voltage that the configuration at the multiple emission of cathode main body 411 interval is same or different.Those skilled in the art
Understand, the CT bulb 4 is internally provided with the emission of cathode component 41.The emission of cathode component 41 includes the multiple again
Emission of cathode main body 411 and the multiple high pressure generator 412.Specifically, one or more of high pressure generators 412 with
The multiple emission of cathode main body 411 connects, and the emission of cathode main body 411 is enabled to configure same or different electricity
Pressure.
Specifically, one high pressure generator 412 is connect with two emission of cathode main bodys 411.In Fig. 4 from the top down
It sees, when the work of the odd numbers sequence anode discs 42 such as the 1st, 3, configures the high voltage of first high pressure generator 412, CT bulb 4
Emit X-ray line and carries out high-energy irradiation；And when the work of the even numbers sequence anode discs 42 such as the 2nd, 4, configure second high pressure generator
412 lower voltage, CT bulb carry out low energy irradiation.As shown in figure 5, can be used during this in order to reach coverage effect
Width seam collimator, the X-ray coverage area that odd number sequence anode disc generates connect and are not overlapped, and even number sequence anode disc also connects
And be not overlapped, and the X-ray coverage area that adjacent anode generates has interlocking for a semi-area.It is half in most left/right side collimator
Width opening guarantees that high energy scanning area coverage and low energy scanning area coverage are identical.
In Fig. 5, carry out a kind of configuration Voltage allocation for the multiple emission of cathode main body 411: odd number sequence is configured
High voltage, even number sequence configure lower voltage.In the operating condition, under the electric field action of high pressure generator 412, the 1st, 3 etc.
Odd number sequence anode disc is generated X-ray by emission of cathode main body 411 plus the bombardment of thermogenetic free electron and carries out high-energy irradiation；
The even numbers sequence anode discs such as the 2nd, 4 generate X-ray and carry out low energy irradiation.
Fig. 6 gives another Voltage allocation for the multiple emission of cathode main body 411: the configuration of odd number sequence compared with
Low-voltage, even number sequence configure high voltage.In the operating condition, the odd numbers sequence anode discs such as the 1st, 3 are bombarded by free electron
It generates X-ray and carries out low energy irradiation；The even numbers sequence anode discs such as the 2nd, 4 generate X-ray and carry out high-energy irradiation.
Fig. 1 is the schematic diagram of double high-pressure work modes.At this point, multiple high pressure generators 412 are set as identical high pressure, and will
Collimator corresponding to each anode disc is adjusted to narrow slit.Each light source generates the X-ray of identical energy, and corresponding CT detection
Device area connects, to realize fine tomoscan.
Fig. 7 shows each anode disc in the CT bulb and successively irradiates, into positioning as the structural schematic diagram of mode.Institute
It states CT bulb successively to be irradiated or irradiated simultaneously by the control of high pressure generator or collimator, wherein each light source is corresponding
Detector area is smaller, is at this time positioning as mode.This mode can provide the cross-sectional image of no tissue overlapping and noninvasive
The features such as detection.It is higher that the dosage as suffered by patient under mode is positioned in traditional CT machine, is injured larger；Positioning in the present invention is as mould
Formula, the dosage of DR dynamic probe is the 50% of conventional detectors, small to damage to patient.Tradition positioning is as under mode, in order to improve
Exposure intensity on side, it has to increase exposure dose；And in scan model of the invention, it is vertical for being approximately considered light source
It injects, so that X-ray utilization rate is higher, than the dosage that traditional DR saves 50%.
It will be appreciated by those skilled in the art that conventional radiography is up to 70%, therefore conventional radiography picture quality in diagnostic imaging
Raising and exposure dose attenuating, optimized work flow in image diagnostic system have great influence.And DR dynamic instrumentation
Device can be very good to meet above-mentioned requirements, and the data rebuild directly are passed through mature 5G Wireless data transmission technology transfer extremely
Outside control computer, shines image and shows and only spend the very short time from x-ray throwing, keeps the workflow of dept. of radiology more excellent
Change, adapts to the demand of big flow patient.
Further, CT machine can be divided into low side configuration, middle-end configuration and high end configuration.A high pressure is used in low side configuration
Generator drives half bulb, and uses single row detector.High-energy irradiation is being carried out to target object, is only using one
A high pressure generator 412, and another high pressure generator 412 does not configure high pressure.The X source shadow surface that CT bulb is launched at this time
It is long-pending then be double under double high pressure modes.
Further, in middle-end configuration, double high pressure generators are set, using single row detector, target object is carried out
Scanning is, it can be achieved that the acquisition of multipotency data, the functional attribute of resolution target.Double high pressures, double spy are set as in high end configuration
Device is surveyed, this can be realized expanded letter object detection.
Further, the CT bulb 4 emitting x-ray in the operating condition, and received by the reception plate.This
Field technical staff understand, the effect of the CT bulb be generate X-ray, the CT bulb in the operating condition, high pressure generator
Direct weighting, under high voltage electric field driving, the free electron beam in active state, by cathode high-speed impact anode molybdenum base tungsten
Target, and energy conversion is generated, about 1% electric energy forms X-ray and is emitted by window.Followed by the X-ray beam of Accurate collimation, and it is right
Profile scanning one by one is made at a certain position of target object, and the reception plate, which receives, penetrates target object check point
X-ray.
Further, the emission of cathode main body is at least provided with 8, it will be appreciated by those skilled in the art that the cathode is sent out
The inside that main body is installed in the CT bulb is penetrated, the emission of cathode main body is at least 8, and the emission of cathode main body is to use
Carry out launching electronics and its focusing is made to remove bombardment anode target surface, electric field action of the 8 emission of cathode main bodys in high pressure generator
Under, surface is in the free electron beam of active state, by cathode high-speed impact anode target, and energy conversion, a part occurs
Energy be converted into X-ray, another part is then to be converted into heat.
Further, the spacing that the emission of cathode main body 411 is spaced is 2cm~12cm, it will be appreciated by those skilled in the art that
The emission of cathode main body will be equipped with certain intervals when being arranged, and the range at interval is between 2cm to 12cm.
Further, one or more hard disk 3, the hard disk 3 are configured in the present invention in the detector cells 2
For storing data, realizes that volume CT resets and rebuilds in detector, the data rebuild only are passed through into mature 5G
Wireless data transmission technology transfer to outside controls computer, has abandoned the slip ring in traditional CT machine.
In a preferred embodiment, in the operating condition, the both ends of high pressure generator are connect respectively in cathode and anode
The both ends of target disc provide a high voltage electric field with this, so that electronics acceleration active on anode disc is flowed to anode disc, a part
Energy be converted into X-ray, make one by one followed by the X-ray of Accurate collimation, and to a certain position of target object
Profile scanning.After being scanned to target object, the plate that receives receives the X-ray for penetrating target object check point,
Data collected are stored in hard disk, and realize volume CT in detector using the high speed processing chip in detector
It interior rearrangement and rebuilds, the data rebuild only is controlled into computer by 5G Wireless data transmission technology transfer to outside.
Both it is not proper high voltage or low-voltage at above-mentioned " high voltage " and " lower voltage ", only
In contrast " higher " and " lower ".
Specific embodiments of the present invention are described above, it is to be understood that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, but this not shadow
Substantive content of the invention is rung, it will not be described here.
Claims (10)
1. a kind of system for CT detection characterized by comprising
It receives plate (1), the reception plate (1) is spliced by multiple X-ray receiver boards (11), wherein
It is provided on each X-ray receiver board (11) one or more for receiving the detector cells (2) of X-ray；The spy
It surveys in device unit (2) and is integrated with high speed processing chip.
2. the system according to claim 1 for CT detection, which is characterized in that the detector cells (2) are at least matched
It sets one or more hard disks (3), the hard disk (3) is for storing data.
3. the system according to claim 1 for CT detection, which is characterized in that in the reception plate (1), each column
At least provided with two X-ray receiver boards (11), at least provided with eight column.
4. the system according to claim 3 for CT detection, which is characterized in that the length of the X-ray receiver board (11)
Or width is 20cm~100cm.
5. the system according to claim 4 for CT detection, which is characterized in that the thickness of the X-ray receiver board (11)
For 2mm~8mm.
6. the system according to claim 1 for CT detection, which is characterized in that the detector cells (2) are dynamic for DR
State detector.
7. the system according to claim 1 for CT detection, which is characterized in that the system for CT detection is also wrapped
Include be arranged in it is described reception plate above CT bulb (4), the CT bulb (4) include the emission of cathode component (41) and
Anode disc (42), wherein the emission of cathode component (41) includes at least multiple emission of cathode main bodys of spacing side by side setting
(411) and multiple high pressure generators (412), one or more high pressure generators (412) connect one or more emission of cathodes
Main body (411) is so that the multiple emission of cathode main body (411) interval configures same or different voltage.
8. the system according to claim 7 for CT detection, which is characterized in that the CT bulb (4) is in working condition
Lower release X-ray light beam, and received by the reception plate (1).
9. the system according to claim 7 for CT detection, which is characterized in that the emission of cathode main body (411) is extremely
It is provided with 8 less.
10. the system according to claim 9 for CT detection, which is characterized in that each emission of cathode main body
(411) spacing being spaced is 2cm~12cm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910119606.XA CN109846507A (en) | 2019-02-18 | 2019-02-18 | A kind of system for CT detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910119606.XA CN109846507A (en) | 2019-02-18 | 2019-02-18 | A kind of system for CT detection |
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| CN109846507A true CN109846507A (en) | 2019-06-07 |
Family
ID=66898074
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| CN201910119606.XA Pending CN109846507A (en) | 2019-02-18 | 2019-02-18 | A kind of system for CT detection |
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| CN1809909A (en) * | 2003-04-24 | 2006-07-26 | 北卡罗来纳-查佩尔山大学 | Computed tomography system for imaging of human and small animal |
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