CN106901771A - A kind of ray compton backscattering CT scan head and CT Scanner - Google Patents
A kind of ray compton backscattering CT scan head and CT Scanner Download PDFInfo
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- CN106901771A CN106901771A CN201710149890.6A CN201710149890A CN106901771A CN 106901771 A CN106901771 A CN 106901771A CN 201710149890 A CN201710149890 A CN 201710149890A CN 106901771 A CN106901771 A CN 106901771A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
- A61B6/035—Mechanical aspects of CT
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4405—Constructional features of apparatus for radiation diagnosis the apparatus being movable or portable, e.g. handheld or mounted on a trolley
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
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Abstract
The invention discloses a kind of ray compton backscattering CT scan head and CT Scanner, including the first T-shaped plate and the second T-shaped plate, one end of first T-shaped plate and the second T-shaped plate is connected to first rotating shaft and the first servomotor, the first connecting plate is installed with first rotating shaft, the first guide rod electric cylinder is installed with first connecting plate, the end of the first guide rod electric cylinder guide rod is connected with the first installing plate, and ray packaging body is installed with the first installing plate, and the front end of ray packaging body is provided with preceding collimater；The method to set up of flat panel detector and rear collimater is similar with ray packaging body and preceding collimater.Ray compton backscattering CT scan head of the present invention and CT Scanner have the advantages that small portable, dose of radiation are small, can do CT examination in any occasion.
Description
Technical field
The present invention relates to technical field of medical equipment, more particularly to a kind of ray compton backscattering CT scan head and CT
Scanning machine.
Background technology
Suitable for ray compton backscattering scanning technique (Compton Backscatter Scanning, abbreviation CBS)
CT scan (Computed Tomography, abbreviation CT), i.e. CBS-CT, the traditional CT with transmission of radiation
Or CT scan principle difference, traditional traditional CT of transmission of radiation or the radiographic source of CT scan and detector array position
In the both sides of human body, and the radiographic source of CBS-CT is located on the side of examined human body with detector array, and it is based on γ
Compton effect,scattering in ray or X-ray and detection target (usually human organ, tissue etc.) interaction, by detecting
Scattered photon number corresponding to the unilateral measurement specific angle of scattering of diverse location of target, obtains electron density point in detection target
Cloth, by certain analyzing and processing, just can obtain the three-dimensional density distributed image of measured object, i.e. CT images.And CBS-CT point
Analysis processing procedure is not as the traditional CT or CT scan of transmission of radiation like that, it is necessary to by Radon transform scheduling algorithm, and
Also need to precision positioning bed, therefore, CBS-CT scanning machines have small portable, micro- dosage, can any occasion do CT scan and
The advantages of cost performance is high.
Because the scanning core component of " ray compton backscattering scanning technique " is issuing side (the ray generation of ray
Device), ray generator collimater (i.e. preceding collimater, act as forming pencil-beam), ray receiving terminal (for example flat board detection
Device) and ray receiver collimater (collimater after i.e.), in order to realize the above-mentioned advantage of CBS-CT scanning machines, how to the scanning
Core component carries out structure design, just becomes and obtains high accuracy, the basis of the detection target CT images of high-resolution.
The content of the invention
It is above-mentioned existing to solve it is an object of the invention to provide a kind of ray compton backscattering CT scan head and CT Scanner
With the presence of the problem of technology, the advantage of CBS-CT scanning machines is given full play to, can not only obtain high accuracy, the detection mesh of high-resolution
Mark CT images, and CT scan is carried out in any occasion.
To achieve the above object, the invention provides following scheme：
The invention provides a kind of ray compton backscattering CT scan head, including the first T-shaped plate and the second T-shaped plate, institute
The top for stating the first T-shaped plate and second T-shaped plate is equipped with rack mounting apertures, and the rack mounting apertures are used for the ray
Compton backscattering CT scan head is attached in the frame of CT Scanner.
One end of first T-shaped plate and second T-shaped plate is connected with first rotating shaft, described by a bearing respectively
One T-shaped plate or second T-shaped plate are provided with the first servomotor, first servomotor by the first reductor with it is described
First rotating shaft is connected；The first connecting plate is installed with the first rotating shaft, being installed with first on first connecting plate leads
Bar electric cylinder, the end of the first guide rod electric cylinder guide rod is connected with the first installing plate, is installed with first installing plate
Ray packaging body, the ray of the ray packaging body send mouth where plane on be installed with mounting flange, the mounting flange
Middle part is connected with preceding collimater.
The other end of first T-shaped plate and second T-shaped plate is connected with the second rotating shaft by a bearing respectively, described
First T-shaped plate or second T-shaped plate are provided with the second servomotor, and second servomotor passes through the second reductor and institute
State the connection of the second rotating shaft transmission；The second connecting plate is installed with second rotating shaft, second is installed with second connecting plate
Guide rod electric cylinder, the end of the second guide rod electric cylinder guide rod is connected with the second installing plate, fixed on second installing plate
There is flat panel detector, rear collimater is provided with before the detection plane of the flat panel detector.
Preferably, the ray compton backscattering CT scan head also includes the first supporting plate, the second supporting plate and centre
Supporting plate, the two ends of first supporting plate are bolted the one of first T-shaped plate and second T-shaped plate respectively
End, the two ends of second supporting plate are bolted the other end of first T-shaped plate and second T-shaped plate respectively,
The intermediate support plate is bolted the middle part of first T-shaped plate and second T-shaped plate.
Preferably, the ray compton backscattering CT scan head also includes lead curtain installing plate and lead curtain, the lead curtain peace
Dress plate is connected by bolt with the intermediate support plate, and the lead curtain is connected by buckle with the lead curtain installing plate.
Preferably, the height of the lead curtain is 180mm, and thickness is 5mm.
Preferably, the axis of the preceding collimater and the angle of the lead curtain are 15 °~35 °, preferably 25 °；After described
The normal of collimater detection plane is 15 °~35 °, preferably 25 ° with the angle of the lead curtain.
Preferably, the distance of plane where the ray of the ray packaging body sends mouth and detection target for 150mm~
200mm, preferably 200mm；The detection plane of the flat panel detector is 270mm~320mm with the distance of detection target, preferably
It is 320mm.
Preferably, first T-shaped plate, second T-shaped plate, first connecting plate, first installing plate, described
Opened on second connecting plate, second installing plate, first supporting plate, second supporting plate and the intermediate support plate
It is provided with lightening hole.
Preferably, collimater mounting bracket after the both sides of the flat panel detector are connected to by bolt, it is described after
Collimater is socketed between two rear collimater mounting brackets, and the rear collimater and the rear collimater mounting bracket are by bolt
It is fixedly connected, the bolt hole on the rear collimater mounting bracket is slotted hole.
Preferably, the power of first servomotor and second servomotor is 400W, and described first slows down
Machine and second reductor are planet-gear speed reducer.
Invention additionally discloses a kind of ray compton backscattering CT Scanner, including described in any of the above-described technical scheme
Ray compton backscattering CT scan head, walking vehicle body, bed board, Z axis support, cantilever and industrial computer, the bed board are arranged on institute
State on walking vehicle body, the Z axis support is arranged on the walking vehicle body side, described cantilever one end is arranged on the Z axis support
On, the other end connects the ray compton backscattering CT scan head, and the industrial computer is used to control the first servomotor, second
Servomotor, the first guide rod electric cylinder, the second guide rod electric cylinder, ray packaging body and flat panel detector.
The present invention achieves following technique effect relative to prior art：
Ray compton backscattering CT scan head disclosed by the invention and CT Scanner are without the big of traditional spiral CT machine
And the close examination bed of the frame of heaviness and complexity, can not only ensure the precision of scanning motion, obtain high accuracy, high-resolution
Detection target CT images, and the volume and weight of CT Scanner is substantially reduced, simplify operating process.Ray of the invention
Compton backscattering CT scan head and CT Scanner small portable, dose of radiation are small, and realizing can do CT inspections in any occasion
The technique effect looked into.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the dimensional structure diagram of ray compton backscattering CT scan head of the present invention；
Fig. 2 is the overlooking the structure diagram of ray compton backscattering CT scan head of the present invention；
Fig. 3 is the main structure diagram of ray compton backscattering CT scan head of the present invention；
Fig. 4 is the right side structural representation of ray compton backscattering CT scan head of the present invention；
Fig. 5 is the dimensional structure diagram of collimater mounting bracket after the present invention；
Fig. 6 is the position view of ray compton backscattering CT scan head of the present invention and detection target；
Fig. 7 is the structural representation of ray compton backscattering CT Scanner of the present invention；
Wherein, the T-shaped plates of 1- first, the T-shaped plates of 2- second, the supporting plates of 3- second, 4- intermediate support plates, the supporting plates of 5- first,
The connecting plates of 6- first, the connecting plates of 7- second, the reductors of 8- first, the servomotors of 9- first, the reductors of 10- second, 11- second is watched
Motor is taken, 12- the second guide rod electric cylinders, 13- the first guide rod electric cylinders, the installing plates of 14- second, the installing plates of 15- first, 16- is penetrated
Line packaging body, 17- flat panel detectors, 18- mounting flanges, collimater before 19-, collimater mounting bracket after 20-, 21- lead curtain is installed
Plate, collimater after 22-, 23- lead curtains, 24- bed boards, 25- walking vehicle bodies, 26- industrial computers, 27-Z bracing struts, 28- cantilevers, α-preceding
The axis of collimater and the angle of lead curtain, the normal of β-rear collimater detection plane and the angle of lead curtain, L1- ray packaging bodies
Ray send mouth where plane and detection target distance, the distance of the detection plane of L2- flat panel detectors and detection target.
Specific 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, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is above-mentioned existing to solve it is an object of the invention to provide a kind of ray compton backscattering CT scan head and CT Scanner
With the presence of the problem of technology, the advantage of CBS-CT scanning machines is given full play to, can not only obtain high accuracy, the detection mesh of high-resolution
Mark CT images, and CT scan is carried out in any occasion.
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable
The present invention is further detailed explanation to apply mode.
Embodiment 1：As shown in figures 1 to 6, a kind of ray compton backscattering CT scan head, including are present embodiments provided
One T-shaped plate 1, the second T-shaped plate 2, the first supporting plate 5, the second supporting plate 3, intermediate support plate 4, lead curtain installing plate 21 and lead curtain 23,
The top of the first T-shaped plate 1 and the second T-shaped plate 2 is equipped with rack mounting apertures, and the rack mounting apertures are used for the ray Compton back of the body
Scattering CT scan head is attached in the frame of CT Scanner.The two ends of the first supporting plate 5 are bolted the first T-shaped plate respectively
1 and second T-shaped plate 2 one end, the two ends of the second supporting plate 3 are bolted the first T-shaped plate 1 and the second T-shaped plate 2 respectively
The other end, intermediate support plate 4 is bolted the middle part of the first T-shaped plate 1 and the second T-shaped plate 2.Lead curtain installing plate 21 passes through spiral shell
Bolt is connected with intermediate support plate 4, and lead curtain 23 is connected by buckle with lead curtain installing plate 21.The height of lead curtain 23 is 180mm, thickness
It is 5mm.Lead curtain 23 can effectively reduce the closely interference unnecessary to flat panel detector 17 of ray packaging body 16.
One end of first T-shaped plate 1 and the second T-shaped plate 2 is connected with first rotating shaft by a bearing respectively, in the second T-shaped plate 2
It is provided with the first servomotor 9 (the first servomotor 9 can also be arranged in the first T-shaped plate 1), the first servomotor 9 is by the
One reductor 8 is connected with the first rotating shaft；The first connecting plate 6 is installed with the first rotating shaft, on the first connecting plate 6
The first guide rod electric cylinder 13 is installed with, the end of the guide rod of the first guide rod electric cylinder 13 is connected with the first installing plate 15, and first installs
Ray packaging body 16 is installed with plate 15, ray packaging body 16 can launch X-ray or gamma-rays, the ray of ray packaging body 16
Mounting flange 18, a diameter of 52mm of mounting flange 18 are installed with plane where sending mouth.Mounting flange 18 passes through bolt
It is connected with ray packaging body 16, the middle part of mounting flange 18 is provided with screw thread, preceding collimater 19 screws in the screw thread at the middle part of mounting flange 18
In, preceding collimater 19 act as produce fan ray.
The other end of the first T-shaped plate 1 and the second T-shaped plate 2 is connected with the second rotating shaft, the second T-shaped plate 2 by a bearing respectively
The second servomotor 11 (the second servomotor 11 can also be arranged in the first T-shaped plate 1) is provided with, the second servomotor 11 leads to
The second reductor 10 is crossed to be connected with second rotating shaft transmission；The second connecting plate 7, the second connecting plate 7 are installed with second rotating shaft
On be installed with the second guide rod electric cylinder 12, the end of the guide rod of the second guide rod electric cylinder 12 is connected with the second installing plate 14, the second peace
Flat panel detector 17 is installed with dress plate 14, rear collimater 22 is provided with before the detection plane of flat panel detector 17, in the present embodiment
The profile of collimater 22 is cuboid afterwards, and its thickness is 30mm, and length and width are 170mm, and the both sides of flat panel detector 17 pass through spiral shell
Bolt be connected to one after collimater mounting bracket 20, rear collimater 22 be socketed on two after between collimater mounting bracket 20, and after
Collimater 22 and rear collimater mounting bracket 20 are bolted connection, and the bolt hole on rear collimater mounting bracket 20 is oval
Hole, makes rear collimater 22 to carry out a certain degree of position on three directions in X-axis, Y-axis and Z axis relative to flat panel detector 17
Adjustment.
In the same plane, the focus of the two is the normal of the axis of preceding collimater 19 and the detection plane of rear collimater 22
Detection target should position.The angle α of the axis of preceding collimater 19 and lead curtain 23 adjustable, theoretical calculation angle in 15 °~35 °
Spend is 25 °；The ray of ray packaging body 16 send mouth where plane with detection target apart from L1 in 150mm~200mm
It is adjustable, preferably 200mm.The normal of the detection plane of collimater 22 is adjustable in 15 °~35 ° with the angle β of lead curtain 23 afterwards, theoretical
It is 25 ° to calculate angle；The detection plane of flat panel detector 17 is adjustable in 270mm~320mm apart from L2 with detection target, excellent
Elect 320mm as.
First T-shaped plate 1, the first connecting plate 6, the first installing plate 15, the second T-shaped plate 2, the second connecting plate 7, the second installing plate
14th, lightening hole is offered on the first supporting plate 5, the second supporting plate 3 and intermediate support plate 4, and material is preferably aluminium alloy, with
Mitigate the weight of the ray compton backscattering CT scan head of the present embodiment.
The power of the first servomotor 9 and the second servomotor 11 is 400W, the first reductor 8 and the second reductor 10
Planet-gear speed reducer, preferably axle output type planet-gear speed reducer are, planet-gear speed reducer has speed reducing ratio big, smart
Degree height, small volume and lightweight advantage, to reduce the weight of the ray compton backscattering CT scan head of the present embodiment.
The present embodiment is also disclosed a kind of ray compton backscattering CT Scanner, including above-mentioned ray compton backscattering
CT scan head, walking vehicle body 25, bed board 24, Z axis support 27, cantilever 28 and industrial computer 26, bed board 24 are arranged on walking vehicle body 25
On, Z axis support 27 is arranged on the side of walking vehicle body 25, and the one end of cantilever 28 is arranged on Z axis support 27, other end connection ray
Compton backscattering CT scan head, industrial computer 26 is used to control the first servomotor 9, the second servomotor 11, the first guide rod electricity
Dynamic cylinder 13, the second guide rod electric cylinder 12, ray packaging body 16 and flat panel detector 17.Between bed board 24 and walking vehicle body 25 preferably
The displacement mechanism that bed board 24 can be made to be moved along X-axis and Y direction is provided with, energy is preferably provided between cantilever 28 and Z axis support 27
The displacement mechanism for enough making cantilever 28 be moved along Z axis, preferably sets between the ray compton backscattering CT scan head and cantilever 28
There is the rotating mechanism that can make the ray compton backscattering CT scan head in vertically and horizontally rotation in surface.The displacement machine
Structure can select to use the straight-line motion mechanism that servomotor and ball-screw are constituted, and the rotating mechanism can be by servomotor
Constituted with reductor.
Ray compton backscattering CT scan head and CT Scanner disclosed in the present embodiment are before scanning, it is necessary to pass through control
First servomotor 9 and the second servomotor 11 are rotated, and the first guide rod electric cylinder 13 and the second guide rod electric cylinder 12 guide rod
It is mobile, be placed in the effective detection region of probe with reaching detection target, that is, reach and be suitable to ray compton backscattering CT and sweep
The size as shown in Figure 6 and angle requirement of head are retouched, i.e., the axis of preceding collimater 19 is 25 ° with the angle α of lead curtain 23；Ray is sealed
Plane where the ray of dress body 16 sends mouth is 200mm apart from L1 with detection target；Make the detection plane of rear collimater 22
Normal is 25 ° with the angle β of lead curtain 23；The detection plane of flat panel detector 17 is 320mm apart from L2 with detection target.For under
One step is using the control program for editting and performs scanning imaging system automatically, carries out the positioning work of detection target.
The front view of ray compton backscattering CT scan head is appeared similar in Chinese character " cave " disclosed in the present embodiment
The construction of word, left and right almost symmetry, stress balance, and (collimater 22 is detected relative to flat board afterwards with seven freedoms of motion
Device 17 has three degree of freedom, and ray packaging body 16 and flat panel detector 17 are two relative to the first T-shaped plate 1 and the second T-shaped plate 2
The individual free degree), therefore, ray compton backscattering CT scan head disclosed in the present embodiment and CT Scanner are without traditional spiral
CT machines big and the close examination bed of the frame of heaviness and complexity, you can complete the positioning work of detection target, can not only be true
The precision of scanning motion is protected, high accuracy, the detection target CT images of high-resolution is obtained, and substantially reduce the body of CT Scanner
Product and weight, simplify operating process.The ray compton backscattering CT scan head and CT Scanner small portable of the present embodiment,
Dose of radiation is small, realizes the technique effect that CT examination can be done in any occasion.
Apply specific case in this specification to be set forth principle of the invention and implementation method, above example
Explanation be only intended to help and understand the method for the present invention and its core concept；Simultaneously for those of ordinary skill in the art,
According to thought of the invention, will change in specific embodiments and applications.In sum, in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of ray compton backscattering CT scan head, it is characterised in that：Including the first T-shaped plate and the second T-shaped plate, described
The top of one T-shaped plate and second T-shaped plate is equipped with rack mounting apertures, and the rack mounting apertures are used for the ray Kang Pu
The back scattering CT scan head that pauses is attached in the frame of CT Scanner, one end difference of first T-shaped plate and second T-shaped plate
First rotating shaft is connected with by a bearing, first T-shaped plate or second T-shaped plate are provided with the first servomotor, described
First servomotor is connected by the first reductor with the first rotating shaft；The first connection is installed with the first rotating shaft
Plate, is installed with the first guide rod electric cylinder on first connecting plate, the end of the first guide rod electric cylinder guide rod is connected with
One installing plate, is installed with ray packaging body on first installing plate, the ray of the ray packaging body sends flat where mouth
Mounting flange is installed with face, the mounting flange middle part is connected with preceding collimater；
The other end of first T-shaped plate and second T-shaped plate is connected with the second rotating shaft, described first by a bearing respectively
T-shaped plate or second T-shaped plate are provided with the second servomotor, and second servomotor is by the second reductor and described the
Two rotating shaft transmissions are connected；The second connecting plate is installed with second rotating shaft, the second guide rod is installed with second connecting plate
Electric cylinder, the end of the second guide rod electric cylinder guide rod is connected with the second installing plate, is installed with second installing plate flat
Partitioned detector, is provided with rear collimater before the detection plane of the flat panel detector.
2. ray compton backscattering CT scan head according to claim 1, it is characterised in that：Also include the first support
Plate, the second supporting plate and intermediate support plate, the two ends of first supporting plate be bolted respectively first T-shaped plate and
One end of second T-shaped plate, the two ends of second supporting plate are bolted first T-shaped plate and described respectively
The other end of two T-shaped plates, the intermediate support plate is bolted the middle part of first T-shaped plate and second T-shaped plate.
3. ray compton backscattering CT scan head according to claim 2, it is characterised in that：Also include lead curtain installing plate
With lead curtain, the lead curtain installing plate is connected by bolt with the intermediate support plate, and the lead curtain passes through buckle and the lead curtain
Installing plate is connected.
4. ray compton backscattering CT scan head according to claim 3, it is characterised in that：The height of the lead curtain is
180mm, thickness is 5mm.
5. ray compton backscattering CT scan head according to claim 3, it is characterised in that：The axle of the preceding collimater
Line is 15 °~35 °, preferably 25 ° with the angle of the lead curtain；The normal of the rear collimater detection plane and the lead curtain
Angle is 15 °~35 °, preferably 25 °.
6. the ray compton backscattering CT scan head according to claim 1 or 3, it is characterised in that：The ray encapsulation
The ray of body send mouth where plane with detection target distance be 150mm~200mm, preferably 200mm；The flat board is visited
The detection plane and the distance of detection target for surveying device are 270mm~320mm, preferably 320mm.
7. ray compton backscattering CT scan head according to claim 3, it is characterised in that：First T-shaped plate, institute
State the second T-shaped plate, first connecting plate, first installing plate, second connecting plate, second installing plate, described
Lightening hole is offered on first supporting plate, second supporting plate and the intermediate support plate.
8. ray compton backscattering CT scan head according to claim 1, it is characterised in that：The flat panel detector
Both sides be connected to one by bolt after collimater mounting bracket, the rear collimater is socketed on two rear collimaters and installs
Between frame, the rear collimater and the rear collimater mounting bracket are bolted to connection, on the rear collimater mounting bracket
Bolt hole be slotted hole.
9. ray compton backscattering CT scan head according to claim 1, it is characterised in that：First servomotor
400W is with the power of second servomotor, first reductor and second reductor are planetary gear reduction
Fast machine.
10. a kind of ray compton backscattering CT Scanner, it is characterised in that：Including any one of claim 1 to 9
Ray compton backscattering CT scan head, walking vehicle body, bed board, Z axis support, cantilever and industrial computer, the bed board are arranged on institute
State on walking vehicle body, the Z axis support is arranged on the walking vehicle body side, described cantilever one end is arranged on the Z axis support
On, the other end connects the ray compton backscattering CT scan head, and the industrial computer is used to control the first servomotor, second
Servomotor, the first guide rod electric cylinder, the second guide rod electric cylinder, ray packaging body and flat panel detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710149890.6A CN106901771B (en) | 2017-03-14 | 2017-03-14 | Ray compton back scattering CT scanning head and CT scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710149890.6A CN106901771B (en) | 2017-03-14 | 2017-03-14 | Ray compton back scattering CT scanning head and CT scanner |
Publications (2)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970567A (en) * | 2020-07-22 | 2022-01-25 | 同方威视技术股份有限公司 | Back scattering imaging device, control method and inspection system |
| CN115969404A (en) * | 2023-03-16 | 2023-04-18 | 安徽厚宏医疗科技有限公司 | Open-air on-vehicle CT machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2262708Y (en) * | 1995-09-27 | 1997-09-17 | 丁厚本 | Compton back scattering scanner |
| US20070069139A1 (en) * | 2003-06-20 | 2007-03-29 | Kabushiki Kaisha Toshiba | Nuclear medical diagnostic apparatus and method for detecting radiation |
| CN102783968A (en) * | 2012-09-04 | 2012-11-21 | 丁厚本 | Micro-dose medical CBS-CT machine used on site |
| CN102854208A (en) * | 2012-09-25 | 2013-01-02 | 中国科学院高能物理研究所 | Ray back scattering imaging system for discriminating depth information |
| CN102901988A (en) * | 2012-09-28 | 2013-01-30 | 深圳市鑫源通电子有限公司 | Large-flabellum Compton backscatter scanning technique-based inspection van |
| CN104161538A (en) * | 2014-08-27 | 2014-11-26 | 丁厚本 | Medical CT machine based on Compton backscatter scanning technology |
-
2017
- 2017-03-14 CN CN201710149890.6A patent/CN106901771B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2262708Y (en) * | 1995-09-27 | 1997-09-17 | 丁厚本 | Compton back scattering scanner |
| US20070069139A1 (en) * | 2003-06-20 | 2007-03-29 | Kabushiki Kaisha Toshiba | Nuclear medical diagnostic apparatus and method for detecting radiation |
| CN102783968A (en) * | 2012-09-04 | 2012-11-21 | 丁厚本 | Micro-dose medical CBS-CT machine used on site |
| CN102854208A (en) * | 2012-09-25 | 2013-01-02 | 中国科学院高能物理研究所 | Ray back scattering imaging system for discriminating depth information |
| CN102901988A (en) * | 2012-09-28 | 2013-01-30 | 深圳市鑫源通电子有限公司 | Large-flabellum Compton backscatter scanning technique-based inspection van |
| CN104161538A (en) * | 2014-08-27 | 2014-11-26 | 丁厚本 | Medical CT machine based on Compton backscatter scanning technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970567A (en) * | 2020-07-22 | 2022-01-25 | 同方威视技术股份有限公司 | Back scattering imaging device, control method and inspection system |
| CN115969404A (en) * | 2023-03-16 | 2023-04-18 | 安徽厚宏医疗科技有限公司 | Open-air on-vehicle CT machine |
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| CN106901771B (en) | 2020-03-13 |
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