CN109399378A - A kind of bus cable device of mobile plate CT - Google Patents
A kind of bus cable device of mobile plate CT Download PDFInfo
- Publication number
- CN109399378A CN109399378A CN201811152211.1A CN201811152211A CN109399378A CN 109399378 A CN109399378 A CN 109399378A CN 201811152211 A CN201811152211 A CN 201811152211A CN 109399378 A CN109399378 A CN 109399378A
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- winding displacement
- pulley
- guide rail
- rotating cylinder
- mobile plate
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- 238000004804 winding Methods 0.000 claims abstract description 155
- 238000006073 displacement reaction Methods 0.000 claims abstract description 154
- 230000001360 synchronised effect Effects 0.000 claims abstract description 33
- 238000003384 imaging method Methods 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 abstract description 10
- 238000007408 cone-beam computed tomography Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009790 rate-determining step (RDS) Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 101000911390 Homo sapiens Coagulation factor VIII Proteins 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 102000057593 human F8 Human genes 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229940047431 recombinate Drugs 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
- B65H59/18—Driven rotary elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
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- Apparatus For Radiation Diagnosis (AREA)
Abstract
The present invention relates to the bus cable device of mobile plate CT a kind of, synchronous pulley is mounted on the rack, and rotating cylinder is mounted on synchronous pulley, and motor drives synchronous pulley rotation by the first synchronous belt；Guide rail is fixed on the rack, and clump weight is mounted on guide rail, and winding displacement movable pulley is mounted on clump weight, and the quiet pulley of winding displacement is located above guide rail；Winding displacement groove is equipped in rotating cylinder, cable is arranged in winding displacement after being fixed on winding displacement groove, and winding displacement is successively fixed in winding displacement fixing buckle after the quiet pulley of winding displacement, winding displacement movable pulley certainly.In the work of CT machine, when synchronizing wheel drives 360 degree of rotations of X source and rotating cylinder of rack two sides, rotating cylinder drives winding displacement, winding displacement drives clump weight to move up and down on guide rail by the quiet pulley of winding displacement, winding displacement movable pulley, the smooth traction, safe and reliable of flex cable and synchronizing wheel when to realize spiral CT axial movement continuous rotation scanning, connecton layout is compact-sized, effectively save equipment volume.
Description
Technical field
The invention belongs to the mobile fields CT, and in particular to a kind of bus cable device of mobile plate CT.
Background technique
Plate CT is also known as CBCT i.e. Cone beam(pencil-beam) CT.As the term suggests being that pencil-beam throwing is disconnected according to computer recombination
Layer image equipment, principle are that X-ray emitter is surrounded with lower quantity of X-rays X (usual tube current is at 10-20 milliamperes or so)
It throws and does the digital throwing photograph of annular DR(according to body).Then it will surround and throw according to body repeatedly (360-720 times), after number throwing is shone in " intersection "
Data obtained " recombinate " afterwards in a computer and then obtain 3-D image.CBCT obtains the throwing of data according to principle and tradition fan
Shape scanning computed tomography is entirely different.
CBCT and body layer CT(spiral CT) maximum difference be that the data for projection of body layer CT is one-dimensional, the figure after reconstruction
As data be it is two-dimensional, the 3-D image of recombination is made of continuous multiple two dimension slicings accumulations, and image metal artifact is heavier.
And the data for projection of CBCT be it is two-dimensional, 3-D image is directly obtained after reconstruction.In terms of their imaging arrangement, CBCT is three-dimensional
Pencil-beam X-ray scanning replaces the two-dimensional sector-shaped beam scanning of body layer CT；Corresponding, CBCT is using a kind of two-dimentional planar detection
Device replaces the linear detector of body layer CT.
Cable fixed end is connected with rack during CT scan, and moved end and bulb, detector one act as rotary motion and realize in fact
When power supply with communicate, during this period cable need relatively determine motion profile and spatial dimension, do not allow freely to wind, by
It draws, it is safe and reliable to guarantee.Unlike spiral CT axial movement continuous rotation scanning, Cone-Beam CT is generally in synchronous belt
It under driving, only needs 360 degree of valid data of revolving scanning that can rebuild and obtains multiple faultage images, if power supply is adopted with communication mode
With carbon brush and low pressure slip ring, then cost is too high and function waste, if individually configuring in the synchronous pulley end face of scanning disk back side
Rotary type drag chain can then greatly increase scanning disk width, it appears complete machine is too fat to move.Though other excessively complicated wire laying modes can be full
The requirement of sufficient powered communication, but security risks, the actual effects such as that there are cables is at random, pulls, distorts are undesirable.
Summary of the invention
The object of the present invention is to provide the bus cable devices of mobile plate CT a kind of to be arranged by the way that cable to be arranged in winding displacement
After line is fixed on the winding displacement part of guide rail and pulley composition, in the work of CT machine, synchronizing wheel drives the X source and rotating cylinder before and after rack
360 degree when rotating simultaneously, rotating cylinder drives winding displacement, and winding displacement drives clump weight on guide rail by the quiet pulley of winding displacement, winding displacement movable pulley
It moves up and down, to realize smooth traction, the work of flex cable and synchronizing wheel when spiral CT axial movement continuous rotation scans
Securely and reliably, connecton layout is compact-sized, effectively save equipment volume.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of bus cable device of mobile plate CT, including rotating part and winding displacement part, the rotating part include motor, the first synchronization
Band, rotating disk, the rotating disk includes synchronous pulley and rotating cylinder, and the synchronous pulley is mounted on the rack, the rotating cylinder installation
On synchronous pulley, the motor drives synchronous pulley rotation by the first synchronous belt；
The winding displacement part includes that winding displacement, the quiet pulley of winding displacement, winding displacement movable pulley, clump weight and guide rail, the guide rail are fixed on rack
On, and it is located at the side of rotating disk, the clump weight is mounted on guide rail, and is moved up and down in guide rail, the winding displacement movable pulley
It is mounted on clump weight, the quiet pulley of winding displacement is mounted on the rack and is located at the top of guide rail；
Winding displacement groove is equipped in the rotating cylinder, cable one end is connect with the imaging system of CT machine, and is fixed on the winding displacement groove on rotating cylinder
After be arranged in winding displacement, the winding displacement after winding displacement groove on rotating cylinder after the quiet pulley of winding displacement, winding displacement movable pulley from being successively fixed to
In winding displacement fixing buckle in rack, cable connects to power supply after being pierced by winding displacement from after winding displacement fixing buckle.
Working principle: by being arranged in winding displacement after cable is fixed on the winding displacement groove on rotating cylinder, after winding displacement winds turntable
Again with fixed after in the winding displacement fixing buckle that is successively fixed in rack after the quiet pulley of winding displacement, winding displacement movable pulley.CT
When machine works, when 360 degree of X source and rotating cylinder before and after synchronizing wheel drive rack rotate simultaneously, rotating cylinder drives winding displacement, and winding displacement passes through
The quiet pulley of winding displacement, winding displacement movable pulley drive clump weight to move up and down on guide rail, and work is divided into exposure and resets 2 steps, expose
Light is rotated by 360 °, and is resetted 360 ° of revolution and is arrived initial position.When i.e. rotating cylinder rotates clockwise 360 °, clump weight is along guide rail to moving up
It is dynamic；When the rotating cylinder is rotated by 360 ° counterclockwise, clump weight is moved down along guide rail, to realize the continuous rotation of spiral CT axial movement
Turn the smooth traction, safe and reliable of flex cable and synchronizing wheel when scanning, connecton layout is compact-sized, avoids existing skill
Rotary type drag chain individually is configured in scanning disk side in art, causes the drawback for increasing scanning disk width, making complete machine too fat to move.
Further, the setting group number of the quiet pulley of the winding displacement and winding displacement movable pulley is two groups, and winding displacement is according to successively passing through
After the quiet pulley of one group of winding displacement, winding displacement movable pulley, worn using the sequence of the quiet pulley of next group of winding displacement, winding displacement movable pulley.Winding displacement
The setting group number of quiet pulley and winding displacement movable pulley is two groups, motion profile of the winding displacement between the quiet pulley of winding displacement and winding displacement movable pulley
More smooth, motion profile is more stable.
Further, winding displacement guide roller is equipped on the quiet pulley of the winding displacement and winding displacement movable pulley.Winding displacement guide roller is set
It can prevent winding displacement from winding on the quiet pulley of winding displacement and winding displacement movable pulley
Further, tensioning wheel is additionally provided in the rack, first synchronous belt is connect with tensioning wheel, and the purpose of this setting is
Guarantee the more stable smoothness of operating between the first synchronous belt and synchronizing wheel, guarantees using safe.
Further, the motor is connected by the second synchronous belt with encoder.
Further, the guide rail and motor are located at the two sides of rotating disk, and the purpose of this setting is to guarantee that complete machine is aobvious
Obtain more compact, small and exquisite, the more preferable safety of work.
Further, after the cable is pierced by winding displacement, it is arranged along shell outside and connects to power supply, is arranged along shell outside
The mounting stability for advantageously ensuring that cable, prevent cable slide into machine frame inside wind, influence using.
Further, the length of the winding displacement is greater than the perimeter of rotating cylinder, and the purpose of this setting is to guarantee enough winding displacements
Length makes winding displacement when rotating cylinder rotates clockwise, and has enough length around rotating cylinder one week.
Further, when the rotating cylinder rotates clockwise, clump weight is moved up along guide rail；The rotating cylinder rotates counterclockwise
When, clump weight is moved down along guide rail.
Further, the motor is also connected with servo controller, the servo controller, encoder respectively with it is programmable
Controller is electrical connected.After encoder is used to detect the rotation angle of motor, signal is fed back into programmable controller, may be programmed
Controller controls the operation of motor by servo controller, which uses rate-determining steps in the prior art.
Beneficial effect
1, the bus cable device of a kind of mobile plate CT of the invention, on the basis for not increasing structural complexity, not only smoothly
The problems such as completing the CT machine revolving scanning demand within the scope of 360 degree, and avoiding the occurrence of cable winds, pull, is loose, makes complete machine
It is more compact；
2, the bus cable device of a kind of mobile plate CT of the invention, structure is simple, cable pulling is smooth, safe and reliable, and
The axial width for effectively reducing scanning disk, makes complete machine seem more compact, small and exquisite, avoids and is individually scanning in the prior art
Disk side configures rotary type drag chain, causes the drawback for increasing scanning disk width, making complete machine too fat to move；
3, a kind of 360 degree of valid data of CT machine revolving scanning of the bus cable device of mobile plate CT of the invention can rebuild acquisition
Multiple faultage images, avoid powering in the prior art with communication mode using carbon brush and low pressure slip ring and caused by cost too
The drawbacks of high and function waste.
Detailed description of the invention
Fig. 1 is the bus cable device stereoscopic mechanism schematic diagram of mobile plate CT of the invention a kind of；
Fig. 2 is a kind of positive working state schematic representation of the bus cable device of mobile plate CT of the invention；
Fig. 3 is a kind of reverse turn state schematic diagram of the bus cable device of mobile plate CT of the invention；
Wherein, 1- motor, the first synchronous belt of 2-, 3- synchronous pulley, 4- rotating cylinder, 5- guide rail, 6- winding displacement, 7- clump weight, 8- winding displacement
Movable pulley, the quiet pulley of 9- winding displacement, 10- winding displacement guide roller, 11- winding displacement groove, 12- cable, 13- encoder, 14- servo controller,
15- tensioning wheel, 16- winding displacement fixing buckle.
Specific embodiment
The invention will be further elucidated with reference to specific embodiments.
It as illustrated in the accompanying drawings from 1 to 3, is the bus cable device of mobile plate CT of the invention a kind of, including rotating part and winding displacement part,
Rotating part includes motor 1, the first synchronous belt 2, rotating disk, and rotating disk includes synchronous pulley 3 and rotating cylinder 4, and synchronous pulley 3 is mounted on
In rack, rotating cylinder 4 is mounted on synchronous pulley 3, and motor 1 drives synchronous pulley 3 to rotate by the first synchronous belt 2；
Winding displacement part includes that winding displacement 6, the quiet pulley 9 of winding displacement, winding displacement movable pulley 8, clump weight 7 and guide rail 5, guide rail 5 are fixed on the rack,
And it is located at the side of rotating disk, clump weight 7 is mounted on guide rail 5, and is moved up and down in guide rail 5, and winding displacement movable pulley 8, which is mounted on, matches
On pouring weight 7, the quiet pulley 9 of winding displacement is mounted on the rack and is located at the top of guide rail 5；
Winding displacement groove 11, the winding displacement that 12 one end of cable connect with the imaging system of CT machine, and is fixed on rotating cylinder 4 are equipped in rotating cylinder 4
Be arranged in after slot 11 in winding displacement 6, winding displacement 6 from after winding displacement groove 11 on rotating cylinder 4 successively after the quiet pulley 9 of winding displacement, winding displacement movable pulley 8
It is fixed in the winding displacement fixing buckle 16 in rack, cable 12 connects to power supply after being pierced by winding displacement 6 from after winding displacement fixing buckle 16.
Working principle: by being arranged in winding displacement 6 after winding displacement groove 11 that cable 12 is fixed on rotating cylinder 4, winding displacement 6 is wound
After turntable again with fixed after the winding displacement that is successively fixed in rack after the quiet pulley 9 of winding displacement, winding displacement movable pulley 8 fix
In button.When CT machine works, when synchronizing wheel drives 360 degree of rotations of X source and rotating cylinder of rack two sides, rotating cylinder drives winding displacement 6, winding displacement
6 drive clump weight 7 to move up and down on guide rail 5 by the quiet pulley 9 of winding displacement, winding displacement movable pulley 8, and work is divided into exposure and reset 2
A step, exposure are rotated by 360 °, and are resetted 360 ° of revolution and are arrived initial position.When i.e. rotating cylinder 4 rotates clockwise 360 °, 7 edge of clump weight
Guide rail 5 moves up；When rotating cylinder 4 is rotated by 360 ° counterclockwise, clump weight 7 is moved down along guide rail 5, to realize spiral CT axial direction
The smooth traction of flex cable 12 and synchronizing wheel when mobile continuous rotation scanning, safe and reliable, connecton layout is compact-sized,
It avoids in the prior art individually in scanning disk side configuration rotary type drag chain, causes to increase scanning disk width, makes complete machine swelling
Swollen drawback.
The setting group number of the quiet pulley 9 of winding displacement and winding displacement movable pulley 8 is two groups, and winding displacement 6 is quiet according to one group of winding displacement is successively passed through
After pulley 9, winding displacement movable pulley 8, worn using the sequence of the quiet pulley 9 of next group of winding displacement, winding displacement movable pulley 8.The quiet pulley 9 of winding displacement
Setting group number with winding displacement movable pulley 8 is two groups, and motion profile of the winding displacement 6 between the quiet pulley 9 of winding displacement and winding displacement movable pulley 8 is more
Add smoothness, motion profile is more stable.
Winding displacement guide roller 10 is equipped on the quiet pulley 9 of winding displacement and winding displacement movable pulley 8.Setting winding displacement guide roller 10 can prevent
Winding displacement 6 is wound on the quiet pulley 9 of winding displacement and winding displacement movable pulley 8
Tensioning wheel 15 is additionally provided in rack, the first synchronous belt 2 is connect with tensioning wheel 15, and the purpose of this setting is to guarantee that first is synchronous
With the more stable smoothness of operating between 2 and synchronizing wheel, guarantee using safe.
Motor 1 is connected by the second synchronous belt with encoder 13.
Guide rail 5 and motor 1 are located at the two sides of rotating disk, and the purpose of this setting is to guarantee that complete machine seems more compact,
Small and exquisite, work more preferable safety.
After cable 12 is pierced by winding displacement 6, it is arranged along shell outside and connects to power supply, is advantageously ensured that along shell outside setting
The mounting stability of cable 12, prevent cable 12 slide into machine frame inside wind, influence using.
The length of winding displacement 6 is greater than the perimeter of rotating cylinder 4, and the purpose of this setting is to guarantee the length of enough winding displacements 6, makes winding displacement
6 when rotating cylinder 4 rotates clockwise, and has enough length around rotating cylinder 4 one weeks.
When rotating cylinder 4 rotates clockwise, clump weight 7 is moved up along guide rail 5；When rotating cylinder 4 rotates counterclockwise, 7 edge of clump weight
Guide rail 5 moves down.
Motor 1 is also connected with servo controller 14, and servo controller 14, encoder 13 are electrical with programmable controller respectively
It is connected.After encoder is used to detect the rotation angle of motor 1, signal is fed back into programmable controller, programmable controller is logical
The operation of servo controller control motor 1 is crossed, which uses rate-determining steps in the prior art.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of bus cable device of mobile plate CT, it is characterized in that: include rotating part and winding displacement part, rotating part includes motor, the
One synchronous belt, rotating disk, rotating disk include synchronous pulley and rotating cylinder, and synchronous pulley is mounted on the rack, and the rotating cylinder is mounted on
On synchronous pulley, the motor drives synchronous pulley rotation by the first synchronous belt；
The winding displacement part includes that winding displacement, the quiet pulley of winding displacement, winding displacement movable pulley, clump weight and guide rail, the guide rail are fixed on rack
On, and it is located at the side of rotating disk, the clump weight is mounted on guide rail, and is moved up and down in guide rail, the winding displacement movable pulley
It is mounted on clump weight, the quiet pulley of winding displacement is mounted on the rack and is located at the top of guide rail；
Winding displacement groove is equipped in the rotating cylinder, cable one end is connect with the imaging system of CT machine, and is fixed on the winding displacement groove on rotating cylinder
After be arranged in winding displacement, the winding displacement after winding displacement groove on rotating cylinder after the quiet pulley of winding displacement, winding displacement movable pulley from being successively fixed to
In winding displacement fixing buckle in rack, cable connects to power supply after being pierced by winding displacement from after winding displacement fixing buckle.
2. the bus cable device of mobile plate CT according to claim 1 a kind of, which is characterized in that the quiet pulley of winding displacement and
The setting group number of winding displacement movable pulley is two groups, winding displacement according to successively after the quiet pulley of one group of winding displacement, winding displacement movable pulley, using
The quiet pulley of next group of winding displacement, winding displacement movable pulley sequence wear.
3. the bus cable device of mobile plate CT according to claim 1 a kind of, which is characterized in that the quiet pulley of winding displacement and
Winding displacement guide roller is equipped on winding displacement movable pulley.
4. the bus cable device of mobile plate CT according to claim 1 a kind of, which is characterized in that be additionally provided in the rack
Tensioning wheel, first synchronous belt are connect with tensioning wheel.
5. the bus cable device of mobile plate CT according to claim 1 a kind of, which is characterized in that the motor passes through second
Synchronous belt is connected with encoder.
6. the bus cable device of mobile plate CT according to claim 1 a kind of, which is characterized in that the guide rail and motor point
Not Wei Yu rotating disk two sides.
7. the bus cable device of mobile plate CT according to claim 1 a kind of, which is characterized in that the cable is pierced by winding displacement
Afterwards, it is arranged and connects to power supply along shell outside.
8. the bus cable device of mobile plate CT according to claim 1 a kind of, which is characterized in that the length of the winding displacement is big
In the perimeter of rotating cylinder.
9. the bus cable device of mobile plate CT according to claim 1 a kind of, which is characterized in that the rotating cylinder revolves clockwise
When turning, clump weight is moved up along guide rail；When the rotating cylinder rotates counterclockwise, clump weight is moved down along guide rail.
10. the bus cable device of mobile plate CT according to claim 5 a kind of, which is characterized in that the motor also with watch
It takes controller to be connected, the servo controller, encoder are electrical connected with programmable controller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811152211.1A CN109399378A (en) | 2018-09-29 | 2018-09-29 | A kind of bus cable device of mobile plate CT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811152211.1A CN109399378A (en) | 2018-09-29 | 2018-09-29 | A kind of bus cable device of mobile plate CT |
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| Publication Number | Publication Date |
|---|---|
| CN109399378A true CN109399378A (en) | 2019-03-01 |
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ID=65466572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811152211.1A Pending CN109399378A (en) | 2018-09-29 | 2018-09-29 | A kind of bus cable device of mobile plate CT |
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| Country | Link |
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| CN (1) | CN109399378A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111887880A (en) * | 2020-09-10 | 2020-11-06 | 佛山原子医疗设备有限公司 | A complete ring device |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB745247A (en) * | 1953-07-17 | 1956-02-22 | Vickers Electrical Co Ltd | Improvements relating to the mounting of x-ray equipment |
| CN1695944A (en) * | 2005-03-15 | 2005-11-16 | 无锡宝南机器制造有限公司 | Folding traction roller servo drive method and device |
| JP3154652U (en) * | 2009-08-05 | 2009-10-22 | 株式会社島津製作所 | X-ray imaging apparatus having wiring length adjustment mechanism |
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| CN111887880A (en) * | 2020-09-10 | 2020-11-06 | 佛山原子医疗设备有限公司 | A complete ring device |
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Application publication date: 20190301 |