CN209048162U - Portable limbs joint cone-beam CT imaging system - Google Patents
Portable limbs joint cone-beam CT imaging system Download PDFInfo
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- CN209048162U CN209048162U CN201821069759.5U CN201821069759U CN209048162U CN 209048162 U CN209048162 U CN 209048162U CN 201821069759 U CN201821069759 U CN 201821069759U CN 209048162 U CN209048162 U CN 209048162U
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- gear ring
- guide rail
- slide
- flat panel
- battery
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Abstract
The utility model discloses a kind of Portable limbs joint cone-beam CT imaging systems, including crouch and found dual-purpose scaffold, annular gear ring guide rail, X-ray bulb, flat panel detector, motor gear mould group, battery, charhing unit and embedded system.Tthe utility model system is stood up for upper limb body joint cone-beam CT imaging, sleeping to put for lower limb body joint cone-beam CT imaging；Embedded system drives X-ray bulb and flat panel detector to slide 360 degree along annular gear ring guide rail, completes cone-beam CT scan imaging by the gear rotation in control motor driven motor gear mould group, motor gear mould group along the opposite sliding of annular gear ring guide rail；Being connected with wireless communication without external electrical using battery power supply can be achieved continuous rotation scanning, have the characteristics that compact-sized, flexible and convenient, with strong points and dose of radiation is low, hardware cost is low, picture quality is high, is the dedicated CT imaging device suitable for clinical limbs joint diagnosis and treatment.
Description
Technical field
The utility model relates to a kind of device of the field of medical instrument technology, specifically a kind of Portable limbs joint
Cone-beam CT imaging system.
Background technique
In Present clinical practice, limbs joint imaging mostly uses X ray computer tomographic imaging (Computed
Tomography, CT) and Magnetic resonance imaging (Magnetic Resonance Imaging, MRI) diagnosed and assessed.CT
The imaging effect of higher spatial resolution and preferable bone and joint can be provided for limbs joint imaging, and nuclear-magnetism is total
Vibration technology has advantage on soft-tissue imaging.However, Magnetic resonance imaging is relatively expensive and time-consuming, furthermore the space of MRI is divided
Resolution is a limiting factor, especially in the region with convex or recessed articular surface.Therefore in terms of limbs joint imaging CT at
As technology is more concerned.Although traditional CT technology have been relatively mature, it is used in limbs joint imaging aspect and still has
Following some problems: (1) be difficult to detect the limbs joint under weight bearing situations；(2) it is easy to produce in longitudinal research a large amount of tired
Product dose of radiation；(3) whole-body CT scanner is used for the higher cost of limbs joint imaging, and occupied space is big, and operating process is complicated.
In addition to this, in the CT image that traditional fan beam CT is rebuild, the spatial resolution of Z-direction (sagittal plain and Coronal) depends on
In the speed that fan beam is rotated about a patient by the speed and x-ray source of patient.The imaging precision of Z-direction will be generally less than
The imaging precision of X-Y plane.Compared to traditional CT, when cone-beam CT scan, does not need " high-speed slip rings " technology, can sweep in single
The middle volume information for obtaining patient is retouched, and has identical spatial resolution on tri- directions XYZ.Cone-Beam CT has space
The distinguishing features such as short, the X-ray utilization efficiency height of high resolution, data acquisition time.Cone-Beam CT technology be applied to limbs joint at
Picture, so that the process that the dose of radiation that patient is subject to when receiving CT examination is reduced, and detected also can be opposite is simple.It is clinical
On can be widely applied to diagnosis, treatment and the curative effect evaluation of small fracture, arthritis, impact syndrome, the illnesss such as dislocation.
Summary of the invention
The utility model In view of the above shortcomings of the prior art, provides a kind of Portable limbs joint cone-beam CT imaging
System solves the problems, such as dose of radiation, spatial discrimination and hardware cost in limbs joint CT imaging, has compact-sized, flexible
Convenient, the features such as with strong points and dose of radiation is low, hardware cost is low, picture quality is high is to be suitable for clinical limbs joint
The dedicated CT imaging device of diagnosis and treatment.
The utility model is achieved through the following technical solutions: a kind of Portable limbs joint cone-beam CT imaging system,
It include: to crouch found dual-purpose scaffold, annular gear ring guide rail, X-ray bulb, flat panel detector, motor gear mould group, battery, fill
Electric unit and embedded system；
The annular gear ring guide rail and charhing unit are individually fixed in sleeping stand on dual-purpose scaffold；
The X-ray bulb, motor gear mould group, flat panel detector and battery all have slide, and respectively by respective
The pulley of slide bottom successively matches to form prismatic pair with the guide rail on annular gear ring guide rail；
Gear in the motor gear mould group is meshed with the annular gear ring on annular gear ring guide rail；
The motor gear mould group is connected with X-ray bulb by connecting rod link, and the battery passes through with X-ray bulb
Connecting rod link is connected；The X-ray bulb is fixedly connected with flat panel detector by fastening member, keeps relative position constant；
The Portable limbs joint cone-beam CT imaging system is stood up under mode for upper limb body joint cone-beam CT imaging, is crouched
Lower limb body joint cone-beam CT imaging is used under mode playback；
The X-ray bulb and slide, flat panel detector and slide, motor gear mould group and slide, battery and slide are logical
Cross counterweight and to stand up battery and slide under mode and slid naturally to annular gear ring guide rail lowest point, at this time with charhing unit
Alignment；
The battery and charhing unit pass through close to determining alignment relative position is switched, and the two is in alignment relative position
When, allow charhing unit to charge the battery；
The X-ray bulb, flat panel detector, the motor in motor gear mould group, close to switch and embedded system
Connection；The embedded system is by controlling motor, and the gear in driving motor gear die group rotates, and motor gear mould group is along ring
Shaped ring gear guide rail is opposite to be slided, and is driven X-ray bulb and flat panel detector to slide 360 degree along annular gear ring guide rail, is completed cone-beam
CT scan imaging；When the embedded system is by determining that battery is aligned with charhing unit close to switch, charhing unit pair is controlled
Battery charging；It is powered and is wirelessly communicated using battery, connected without external electrical and continuous rotation scanning can be achieved.
It is further, described that sleeping to found dual-purpose scaffold include: annular gear ring rail mounting bracket, charhing unit installation branch
Frame, bracket, vertical supporting leg and horizontal supporting leg, in which: vertical supporting leg is parallel with annular gear ring guide level, horizontal supporting leg and annular
Gear ring guide level is vertical, and bracket is placed in scan vision (Field of View, FOV) range of annular gear ring guideway central
For the positioning and support at position to be imaged, horizontal supporting leg has the function of lift adjustment.
Further, the X-ray bulb and flat panel detector are positioned opposite in 180 degree.
Further, between the X-ray bulb, motor gear mould group, flat panel detector, battery are on annular gear ring guide rail
It is evenly arranged every 90 degree.
Further, the annular gear ring guide rail includes that annular is double along V-type rail, annular internal tooth circle or outer gear ring, described
Annular pair is an integral structure along V-type rail and gear ring.
Further, the X-ray bulb and slide and flat panel detector and slide make two by counterweight equalization quality
Person is of poor quality in given threshold, and motor gear mould group and slide and battery and slide make the two matter by counterweight equalization quality
Amount difference is in given threshold.
Further, the embedded system includes: GPU, CPU, memory, flash memory, bluetooth, Wi-Fi module and Ethernet
Card has cone-beam CT reconstruction, image procossing, operation control and wireless communication function.
Further, the embedded system connects and controls X-ray bulb, plate detection by serial ports or bluetooth approach
Device and motor；The telecommunication port of the embedded system is connected to upper-level control system, is realized by upper-level control system
Facility information monitoring and projection or the display of reconstruction image；To rebuild the higher application of requirement of real-time, acquisition
Data for projection carries out together after being real-time transmitted to the embedded system for having GPU computing capability from flat panel detector by gigabit network interface
Step is rebuild, it can be achieved that obtaining the function of reconstruction image after scanning immediately.
Present apparatus working principle is as follows:
When the present apparatus is stood up, motor-driven gear rotation, gear is meshed with annular gear ring, because annular gear ring guide rail is solid
It is stood on dual-purpose scaffold due to sleeping, so motor gear mould group is produced relative sliding along annular gear ring guide rail, while passing through company
Bar hinge drives X-ray bulb and battery to slide along annular gear ring guide rail.X-ray bulb and flat panel detector are solid by fastening member
Fixed connection, therefore flat panel detector follows X-ray bulb to slide together along annular gear ring guide rail.When patient is by arm, elbow, hand
When the upper limb body joint that wrist, hand etc. need to scan is placed on the bracket of annular gear ring guideway central, X-ray bulb and flat panel detector
Slide 360 degree along annular gear ring guide rail can be completed cone-beam CT scan imaging in the process.
When the present apparatus is stood up, since the X-ray bulb on annular gear ring guide rail and slide are in flat panel detector and slide
180 degree is opposed and the two quality is suitable, at the same motor gear mould group and slide and battery and slide in 180 degree opposed and the two matter
Amount quite, move motor can with moving gear along annular gear ring with lesser driving moment, thus greatly
Width reduces system power configuration, achievees the purpose that reduce volume and mitigates weight.
When the present apparatus is stood up, since battery and slide can be slid naturally to annular gear ring guide rail lowest point, cone-beam
Battery charging is carried out in this position after the completion of CT scan, motor, which does not need output driving torque, can keep system mode constant,
To reduce system power consumption.
The present apparatus is sleeping when putting, and motor-driven gear rotation, gear is meshed with annular gear ring, drive motor gear mould group, X
Ray tube, battery, flat panel detector are slided along annular gear ring guide rail.When patient need to sweep foot, ankle, shank, knee joint etc.
When the lower limb body joint retouched is placed on the bracket of annular gear ring guideway central, X-ray bulb and flat panel detector are along annular gear ring
Cone-beam CT scan imaging can be completed in guide rail during sliding 360 degree.Imaging system and patient need the relative position of scanned position
The lift adjustment function that has by horizontal supporting leg is adjusted to realize.
The present apparatus realizes system drive, the exposure of X-ray bulb, the acquisition of flat panel detector data, insertion using battery power supply
The control of formula system calculates the functions such as communication, and all devices relevant to cone-beam CT imaging include that battery, motor gear mould group, X are penetrated
Ray tube, flat panel detector, embedded system are all slided along annular gear ring guide rail together, do not need electric slip ring or flexible cable
Etc. external electricals connection, improve system reliability while simplifying system, and imaging system rotation angle no longer by cable around
Coil number limitation.
Detailed description of the invention
Fig. 1 is the utility model Portable limbs joint cone-beam CT imaging system main view；
Fig. 2 is the utility model Portable limbs joint cone-beam CT imaging system rearview；
Fig. 3 is that the utility model Portable limbs joint cone-beam CT imaging system stands up pattern diagram；
Fig. 4 is the sleeping mode playback schematic diagram of the utility model Portable limbs joint cone-beam CT imaging system；
In figure: 1, which crouches, founds dual-purpose scaffold, 2 annular gear ring guide rails, 3X ray tube, 4 flat panel detectors, 5 motor gears
Mould group, 6 batteries, 7 fastening members, 8 charhing units, 9 embedded systems, 10 slides, 11 pulleys, 12 guide rails, 13 gears, 14 gear rings,
15 annular gear ring rail mounting brackets, 16 charhing unit mounting brackets, 17 brackets, 18 vertical supporting legs, 19 horizontal supporting legs, 20 connecting rods
Hinge, 21 close switches.
Specific embodiment
It elaborates below in conjunction with attached drawing to the embodiments of the present invention, the present embodiment is with the utility model technology
Implemented under premised on scheme, the detailed implementation method and specific operation process are given, but the protection of the utility model
Range is not limited to the following embodiments.
Embodiment 1
As shown in Figure 1, 2, this example includes: and crouches found dual-purpose scaffold 1, annular gear ring guide rail 2, X-ray bulb 3, put down
Partitioned detector 4, motor gear mould group 5, battery 6, charhing unit 8 and embedded system 9, in which: annular gear ring guide rail 2 and charging
Unit 8 is individually fixed in crouch and stand on dual-purpose scaffold 1, X-ray bulb 3, motor gear mould group 5, flat panel detector 4, battery 6
It successively matches to form prismatic pair with the guide rail 12 on annular gear ring guide rail 2 by the pulley 11 of respective 10 bottom of slide respectively,
The gear 13 in motor gear mould group 5 is meshed with the gear ring 14 on annular gear ring guide rail 2 simultaneously, and X-ray bulb 3 and plate are visited
Device 4 is surveyed to be fixedly connected by fastening member 7.
It is described that sleeping to found dual-purpose scaffold 1 include: annular gear ring rail mounting bracket 15, charhing unit mounting bracket
16, bracket 17, vertical supporting leg 18, horizontal supporting leg 19, in which: vertical supporting leg 18 is parallel with 2 plane of annular gear ring guide rail, horizontal branch
Leg 19 is vertical with 2 plane of annular gear ring guide rail, and bracket 17 is placed in scan vision (the Field of in 2 center of annular gear ring guide rail
View, FOV) in range for the positioning and support at position to be imaged, horizontal supporting leg 19 has the function of lift adjustment.
The annular gear ring guide rail 2 includes: annular double along V-type rail, annular internal tooth circle or outer gear ring, in which: annular
It is double to be an integral structure along V-type rail and gear ring.
The X-ray bulb 3 and flat panel detector 4 is positioned opposite in 180 degree and realizes fixed connect by fastening member 7
It connects, that is, remains that relative positional relationship is constant.
The X-ray bulb 3, motor gear mould group 5, flat panel detector 4, battery 6 are spaced on annular gear ring guide rail 2
90 degree are evenly arranged, and motor gear mould group 5 is connected with X-ray bulb 3 by connecting rod link 20.
The X-ray bulb 3 and slide and flat panel detector 4 and slide make the two quality by counterweight equalization quality
Quite, motor gear mould group 5 and slide and battery 6 and slide both make quality suitable by counterweight equalization quality.
The X-ray bulb 3 and slide, flat panel detector 4 and slide, motor gear mould group 5 and slide, battery 6 and
Slide slides battery 6 and slide under upright mode naturally to 2 lowest point of annular gear ring guide rail by counterweight.
The battery 6 and charhing unit 8, which passes through close to switch 21, determines alignment relative position, and the two is in alignment relative
Allow to charge the battery when position.
The embedded system 9 includes: GPU, CPU, memory, flash memory, bluetooth, Wi-Fi module and Ethernet card, is had
Cone-beam CT reconstruction, image procossing, operation control and wireless communication function.
The embedded system 9 connects by modes such as serial ports or bluetooths and controls X-ray bulb 3,4 and of flat panel detector
Motor 5；It is upper that the telecommunications port such as the bluetooth of the embedded system 9 or wireless network card is connected to computer, plate, mobile phone etc.
Control system realizes that facility information monitors (abnormality report using the mating upper computer software based on the cross-platform language such as java
It is alert) and projection or the display of reconstruction image.To the higher application of requirement of real-time is rebuild, the data for projection of acquisition is logical
It crosses after gigabit network interface is real-time transmitted to the embedded system 9 for having GPU computing capability from flat panel detector 4 and synchronizes reconstruction,
The function of obtaining reconstruction image after scanning immediately can be achieved.
The present apparatus course of work is as follows:
As shown in figure 3, motor-driven gear 13 rotates when the present apparatus is stood up, gear 13 is meshed with annular gear ring 14, because
It is fixed on to crouch for annular gear ring guide rail 2 and stand on dual-purpose scaffold 1, so motor gear mould group 5 is generated along annular gear ring guide rail 2
Opposite sliding, while driving X-ray bulb 3 and battery 6 to slide along annular gear ring guide rail 2 by connecting rod link 20.X-ray bulb
3 are fixedly connected with flat panel detector 4 by fastening member 7, therefore flat panel detector 4 follows X-ray bulb 3 together along annular gear ring
Guide rail 2 slides.When the upper limb body joint that arm, elbow, wrist, hand etc. need to scan is placed on 2 center of annular gear ring guide rail by patient
Bracket 17 on when, X-ray bulb 3 and flat panel detector 4 slide 360 degree along annular gear ring guide rail 2 can be completed cone in the process
Beam CT scan imaging.
As shown in figure 4, the present apparatus crouches when putting, motor-driven gear 13 is rotated, and gear 13 is meshed with annular gear ring 14, band
Dynamic motor gear mould group 5, X-ray bulb 3, battery 6, flat panel detector 4 are slided along annular gear ring guide rail 2.When patient is by foot, foot
When the lower limb body joint that ankle, shank, knee joint etc. need to scan is placed on the bracket 17 in 2 center of annular gear ring guide rail, X-ray bulb
3 and flat panel detector 4 along annular gear ring guide rail 2 slide 360 degree during can be completed cone-beam CT scan be imaged.Imaging system with
Patient needs the relative position of scanned position to adjust through lift adjustment function that horizontal supporting leg 19 has to realize.
Battery 6 and charhing unit 8, which pass through close to switch 20, determines alignment relative position, when the two is in alignment relative position
Charhing unit 8 can charge the battery operation.The present apparatus, which is battery powered, to be realized system drive, the exposure of X-ray bulb, puts down
The acquisition of partitioned detector data, embedded system control calculate the functions such as communication.
The above is only specific embodiment of the present invention, the scope of the utility model, this technology cannot be limited with this
Those skilled in the art in field change according to known to equivalent change made by this creation and those skilled in that art,
It all should still belong to the range that the utility model is covered.
Claims (9)
1. a kind of Portable limbs joint cone-beam CT imaging system characterized by comprising sleeping to found dual-purpose scaffold, annular
Gear ring guide rail, X-ray bulb, flat panel detector, motor gear mould group, battery, charhing unit and embedded system；
The annular gear ring guide rail and charhing unit are individually fixed in sleeping stand on dual-purpose scaffold；
The X-ray bulb, motor gear mould group, flat panel detector and battery all have slide, and pass through respective slide respectively
The pulley of bottom successively matches to form prismatic pair with the guide rail on annular gear ring guide rail；
Gear in the motor gear mould group is meshed with the annular gear ring on annular gear ring guide rail；
The motor gear mould group is connected with X-ray bulb by connecting rod link, and the battery and X-ray bulb pass through connecting rod
Hinge is connected；The X-ray bulb is fixedly connected with flat panel detector by fastening member, keeps relative position constant；
The Portable limbs joint cone-beam CT imaging system is stood up for upper limb body joint cone-beam CT imaging under mode, sleeping to put mould
Lower limb body joint cone-beam CT imaging is used under formula；
The X-ray bulb and slide, flat panel detector and slide, motor gear mould group and slide, battery and slide are by matching
To stand up battery and slide under mode again to be slid naturally to annular gear ring guide rail lowest point, at this time with charhing unit pair
Together；
The battery and charhing unit pass through close to determining alignment relative position is switched, and when the two is in alignment relative position, permit
Perhaps charhing unit charges the battery；
The X-ray bulb, flat panel detector, the motor in motor gear mould group, close switch are connect with embedded system.
2. Portable limbs joint cone-beam CT imaging system according to claim 1, which is characterized in that it is described it is sleeping stand it is dual-purpose
Scaffold includes: annular gear ring rail mounting bracket, charhing unit mounting bracket, bracket, vertical supporting leg and horizontal supporting leg,
In: vertical supporting leg is parallel with annular gear ring guide level, and horizontal supporting leg is vertical with annular gear ring guide level, and bracket is placed in annular
For the positioning and support at position to be imaged within the scope of the scan vision of gear ring guideway central, horizontal supporting leg has lift adjustment function
Energy.
3. Portable limbs joint cone-beam CT imaging system according to claim 1, which is characterized in that the X-ray ball
Pipe is positioned opposite in 180 degree with flat panel detector.
4. Portable limbs joint cone-beam CT imaging system according to claim 1, which is characterized in that the X-ray ball
Pipe, motor gear mould group, flat panel detector, battery are spaced 90 degree on annular gear ring guide rail and are evenly arranged.
5. Portable limbs joint cone-beam CT imaging system according to claim 1, which is characterized in that the annular gear ring
Guide rail includes that annular is double along V-type rail, annular internal tooth circle or outer gear ring, and the annular pair is integral type along V-type rail and gear ring
Structure.
6. Portable limbs joint cone-beam CT imaging system according to claim 1, which is characterized in that the X-ray ball
Pipe and slide and flat panel detector and slide make of poor quality in given threshold, the motor gear of the two by counterweight equalization quality
Mould group and slide and battery and slide make the two of poor quality in given threshold by counterweight equalization quality.
7. Portable limbs joint cone-beam CT imaging system according to claim 1, which is characterized in that the embedded system
System includes: GPU, CPU, memory, flash memory, bluetooth, Wi-Fi module and Ethernet card.
8. Portable limbs joint cone-beam CT imaging system according to claim 1, which is characterized in that the embedded system
System connects by serial ports or bluetooth approach and controls X-ray bulb, flat panel detector and motor；The embedded system it is long-range
Communication port is connected to upper-level control system, realizes facility information monitoring and projection or reconstruction image by upper-level control system
Display.
9. Portable limbs joint cone-beam CT imaging system according to claim 1, which is characterized in that the plate detection
The data for projection of device acquisition is real-time transmitted to the embedded system for having GPU by kilomega network mouth, obtains immediately after realizing scanning
Reconstruction image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821069759.5U CN209048162U (en) | 2018-07-06 | 2018-07-06 | Portable limbs joint cone-beam CT imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821069759.5U CN209048162U (en) | 2018-07-06 | 2018-07-06 | Portable limbs joint cone-beam CT imaging system |
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| Publication Number | Publication Date |
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| CN209048162U true CN209048162U (en) | 2019-07-02 |
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ID=67046485
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821069759.5U Active CN209048162U (en) | 2018-07-06 | 2018-07-06 | Portable limbs joint cone-beam CT imaging system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022012545A1 (en) * | 2020-07-14 | 2022-01-20 | 上海勤翔科学仪器有限公司 | Rotary imaging system, plant imager, animal imager, and animal and plant imager |
-
2018
- 2018-07-06 CN CN201821069759.5U patent/CN209048162U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022012545A1 (en) * | 2020-07-14 | 2022-01-20 | 上海勤翔科学仪器有限公司 | Rotary imaging system, plant imager, animal imager, and animal and plant imager |
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