CN207745143U - A kind of multiple degrees of freedom animal cone-beam CT imaging system - Google Patents
A kind of multiple degrees of freedom animal cone-beam CT imaging system Download PDFInfo
- Publication number
- CN207745143U CN207745143U CN201720668028.1U CN201720668028U CN207745143U CN 207745143 U CN207745143 U CN 207745143U CN 201720668028 U CN201720668028 U CN 201720668028U CN 207745143 U CN207745143 U CN 207745143U
- Authority
- CN
- China
- Prior art keywords
- mechanical arm
- shaft mechanical
- pedestal
- detector
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The utility model discloses a kind of multiple degrees of freedom animal cone-beam CT imaging systems, it is fixed with the one or six shaft mechanical arm of detector including end, end is fixed with the two or the six shaft mechanical arm and synchrome conveying belt of bulb, one or six shaft mechanical arm and the two or six shaft mechanical arm are symmetrically mounted on synchrome conveying belt both sides, and the one or six shaft mechanical arm and the two or six shaft mechanical arm can realize space six-freedom motion.Tthe utility model system flexibility ratio is high, for the animal that volume and shape differ, can be adjusted by the position of two 6 shaft mechanical arms, obtain preferable scanning space and posture.Tthe utility model system has the ability of non-co-planar scanning, and occasion of precisely navigating in high-end medical image guides such as art has higher application value.Since detector position can deviate, thus when imaging object is larger, larger imaging region can be obtained by half sector format.
Description
Technical field
The utility model belongs to the field of medical instrument technology, and in particular to a kind of multiple degrees of freedom animal cone-beam CT imaging system
System.
Background technology
Traditional cone-beam CT system scanning track is limited, and when usual single sweep operation can only be scanned with circular trace, because
And the coverage area of longitudinal space is smaller.Therefore, in the clinical treatment of H/N tumors, the pattern of " stepping-exposure " is often adopted
With an i.e. Circular test scanning moves to next position after the completion and continues to scan on, to cover entire lesion after gradually scanning.
During this, dose of radiation can be significantly increased, and subsequent image splicing is also relatively complicated.
Further, since lacking non-co-planar scan capability, traditional cone-beam CT imaging is difficult in stereoscopic localized radiosurgery mistake
Image guiding is carried out in journey, reduces therapeutic effect.
The utility model patent of Publication No. CN106308826A discloses a kind of C-arm of C-arm X-ray machine；According to interior
Hold as it can be seen that its structure is relatively simple, but since bulb and detector are fixedly connected in C-arm, when be imaged position it is larger when, C
The rotary motion of arm is easy and imaging object interference, while can also have the small limitation of above-mentioned coverage area.
Invention content
The utility model is directed to deficiencies of the prior art, provides a kind of multiple degrees of freedom animal cone-beam CT imaging system
System, larger imaging position can only repeatedly be translated and scan to cover the disadvantage of entire lesion by solving conventional cone beam CT imaging systems
End, has that scan mode is more, scanning range is wide and the advantages such as imaging parameters are adjustable.
The purpose of this utility model is achieved through the following technical solutions：A kind of multiple degrees of freedom animal cone-beam CT imaging
System, including end is fixed with the one or six shaft mechanical arm of detector, end is fixed with the two or six shaft mechanical arm of bulb and same
Conveyer belt is walked, wherein：One or six shaft mechanical arm and the two or six shaft mechanical arm are symmetrically mounted on synchrome conveying belt both sides.
One or the six shaft mechanical arm includes：First pedestal, the first rotating platform, first hydraulic cylinder, first mechanical arm,
First rotary support, second mechanical arm, first end motor, detector carriage and detector, wherein：First pedestal is fixed on together
It walks on the left of conveyer belt, the first pedestal, the first rotating platform, first hydraulic cylinder, first mechanical arm, first mechanical arm connecting seat, the
Two mechanical arms and first end motor are rotatablely connected successively, and first mechanical arm end is rotatablely connected with the first rotating platform, and first
End motor, detector carriage and detector are fixedly connected sequentially.Two or the six shaft mechanical arm includes：Second pedestal,
Two rotating platforms, second hydraulic cylinder, third mechanical arm, the second rotary support, the 4th mechanical arm, the second end motor, bulb branch
Frame and bulb, wherein：Second pedestal is fixed on the right side of synchrome conveying belt, the second pedestal, the second rotating platform, second hydraulic cylinder,
Third mechanical arm, third mechanical arm connecting seat, the 4th mechanical arm and the second end motor are rotatablely connected successively, third mechanical arm end
Portion is rotatablely connected with third rotating platform, and the second end motor, tube stand and bulb are fixedly connected sequentially.Described the one or six
Shaft mechanical arm and the two or six shaft mechanical arm can realize space six-freedom motion.
The beneficial effects of the utility model are：
1, flexibility ratio is high, for the animal that volume and shape differ, can be adjusted, be obtained by the position of two 6 shaft mechanical arms
Obtain preferable scanning space and posture.
2, the ability with non-co-planar scanning, high-end medical image guide such as art in precisely navigate occasion, with compared with
High application value.
3, it since detector position can deviate, thus when imaging object is larger, can be obtained by half sector format larger
Imaging region.
Description of the drawings
Fig. 1 is the overall schematic of multiple degrees of freedom animal cone-beam CT imaging system；
Schematic diagram when Fig. 2 is lion head scanning；
Schematic diagram when Fig. 3 is lion abdomen helical scanning；
In figure, the first pedestal 1, the first rotating platform 2, first hydraulic cylinder 3, first mechanical arm 4, the first rotary support 5,
Two mechanical arms 6, first end motor 7, detector carriage 8, detector 9, the second pedestal 10, the second rotating platform 11, the second liquid
Cylinder pressure 12, third mechanical arm 13, the second rotary support 14, the 4th mechanical arm 15, the second end motor 16, tube stand 17, ball
Pipe 18, light concentrator 19, synchrome conveying belt 20.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in FIG. 1 to 3, the utility model provides a kind of multiple degrees of freedom animal cone-beam CT imaging system, including end
Be fixed with the one or six shaft mechanical arm of detector 9, end is fixed with the two or the six shaft mechanical arm and synchrome conveying belt 20 of bulb 18,
Wherein the one or six shaft mechanical arm and the two or six shaft mechanical arm are symmetrically mounted on 20 left and right sides of synchrome conveying belt.
One or six shaft mechanical arm includes：First pedestal 1, the first rotating platform 2, first hydraulic cylinder 3, first mechanical arm 4,
One rotary support 5, second mechanical arm 6, first end motor 7, detector carriage 8 and detector 9, wherein：First pedestal 1 is fixed
In 20 left side of synchrome conveying belt, the first pedestal 1, the first rotating platform 2, first hydraulic cylinder 3, the rotation branch of first mechanical arm 4, first
Seat 5, second mechanical arm 6 and first end motor 7 are rotatablely connected successively, and 4 end of first mechanical arm is rotated with the first rotating platform 2
Connection, first end motor 7, detector carriage 8 and detector 9 are fixedly connected sequentially.
Two or six shaft mechanical arm includes：Second pedestal 10, the second rotating platform 11, second hydraulic cylinder 12, third mechanical arm
13, the second rotating platform 11, the 4th mechanical arm 15, the second end motor 16, tube stand 17 and bulb 18, wherein：Second base
Seat 10 is fixed on 20 right side of synchrome conveying belt, the second pedestal 10, the second rotating platform 11, second hydraulic cylinder 12, third mechanical arm
13, the second rotary support 14, the 4th mechanical arm 15 and the second end motor 16 are rotatablely connected successively, 13 end of third mechanical arm with
Second rotary support 14 is rotatablely connected, and the second end motor 16, tube stand 17 and bulb 18 are fixedly connected sequentially.
As shown in FIG. 1 to 3, animal is before carrying out oral cavity CT scan, and synchrome conveying belt 20 is moved forward and backward, by animal put to
Suitable position.By driving first hydraulic cylinder 3, first end motor 7, second hydraulic cylinder 12 and the second end motor 16, band
Four manipulator motions are moved, to realize the control of the real time position to the detector 9 and bulb 18 of end, to ensure detector
9 centre of surfaces, 18 center of bulb and scanned position are always conllinear.Light concentrator 19 is fixed on bulb 18, and adjustment bulb 18 goes out
The cone angle for the X-ray penetrated.When scanning, bulb 18 and detector 9 make circumferential rotation type around scanned position, and bulb 18 is exposed using pulse
Optical mode is exposed, and detector 9 acquires corresponding data for projection after receiving the lock-out pulse of bulb 18.The two rotates integrally
After 360 degree, CT scan is completed.
Claims (1)
1. a kind of multiple degrees of freedom animal cone-beam CT imaging system, which is characterized in that including：One or six shaft mechanical arm, the two or six axis
Mechanical arm and synchrome conveying belt (20), wherein：One or six shaft mechanical arm and the two or six shaft mechanical arm are symmetrically mounted on synchronous driving
At left and right sides of band (20)；One or the six shaft mechanical arm includes：First pedestal (1), the first rotating platform (2), the first hydraulic pressure
Cylinder (3), first mechanical arm (4), the first rotary support (5), second mechanical arm (6), first end motor (7), detector carriage
(8) and detector (9), wherein：First pedestal (1) is fixed on the left of synchrome conveying belt (20), the first pedestal (1), the first rotation
Platform (2), first hydraulic cylinder (3), first mechanical arm (4), the first rotary support (5), second mechanical arm (6) and first end electricity
Machine (7) is rotatablely connected successively, and first mechanical arm (4) end is rotatablely connected with the first rotating platform (2), first end motor (7),
Detector carriage (8) and detector (9) are fixedly connected sequentially；Two or the six shaft mechanical arm includes：Second pedestal (10),
Two rotating platforms (11), second hydraulic cylinder (12), third mechanical arm (13), the second rotary support (14), the 4th mechanical arm (15),
The second end motor (16), tube stand (17) and bulb (18), wherein：Second pedestal (10) is fixed on synchrome conveying belt (20)
Right side, the second pedestal (10), the second rotating platform (11), second hydraulic cylinder (12), third mechanical arm (13), the second rotary support
(14), the 4th mechanical arm (15) and the second end motor (16) are rotatablely connected successively, third mechanical arm (13) end and the second rotation
Turn platform (11) rotation connection, the second end motor (16), tube stand (17) and bulb (18) are fixedly connected sequentially；Described
One or six shaft mechanical arm and the two or six shaft mechanical arm can realize the rotary motion of space six degree of freedom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720668028.1U CN207745143U (en) | 2017-06-09 | 2017-06-09 | A kind of multiple degrees of freedom animal cone-beam CT imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720668028.1U CN207745143U (en) | 2017-06-09 | 2017-06-09 | A kind of multiple degrees of freedom animal cone-beam CT imaging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207745143U true CN207745143U (en) | 2018-08-21 |
Family
ID=63146503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720668028.1U Active CN207745143U (en) | 2017-06-09 | 2017-06-09 | A kind of multiple degrees of freedom animal cone-beam CT imaging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207745143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115120A (en) * | 2017-06-09 | 2017-09-01 | 浙江大学 | A kind of multiple degrees of freedom animal cone-beam CT imaging system |
-
2017
- 2017-06-09 CN CN201720668028.1U patent/CN207745143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115120A (en) * | 2017-06-09 | 2017-09-01 | 浙江大学 | A kind of multiple degrees of freedom animal cone-beam CT imaging system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107115120A (en) | A kind of multiple degrees of freedom animal cone-beam CT imaging system | |
| EP2391422B1 (en) | Radiation therapy device with freely customizable source and imager motion trajectory | |
| JP4149189B2 (en) | X-ray CT system | |
| US7421059B2 (en) | X-ray computer tomography apparatus | |
| CN103750851B (en) | A kind of mobile X-ray diagnostic equipment | |
| CN104545976B (en) | Computer body layer photographing method and device | |
| US7676021B2 (en) | Radiation imaging apparatus | |
| EP2311528A2 (en) | An imaging device for radiation treatment applications | |
| US20060039537A1 (en) | C-arm device with adjustable detector offset for cone beam imaging involving partial circle scan trajectories | |
| WO2005046479A3 (en) | Computed tomography with z-axis scanning | |
| CN105832362A (en) | Multi-freedom-degree cone-beam CT imaging system | |
| JP2013248384A (en) | X-ray ct imaging apparatus | |
| US9974493B2 (en) | Apparatus and method for obtaining computed tomography | |
| CN103750852B (en) | A kind of work system of the mobile X-ray diagnostic equipment | |
| CN208610867U (en) | A kind of multi-action computer layer radiography system | |
| US20150265237A1 (en) | Method and device for generating a three-dimensional image of an object | |
| CN207745143U (en) | A kind of multiple degrees of freedom animal cone-beam CT imaging system | |
| US7688939B2 (en) | Object rotation for CT data acquisition | |
| CN209884171U (en) | X-ray imaging system | |
| CN111317496A (en) | CT imaging device and imaging method | |
| CN115005860B (en) | Method and device for reducing oral and maxillofacial CBCT imaging motion artifacts | |
| JPH08275938A (en) | X-ray ct device | |
| CN107569783B (en) | Radiotherapy apparatus | |
| CN205697813U (en) | Multiple degrees of freedom cone-beam CT imaging system | |
| CN103750853B (en) | A kind of intelligent multiple degrees of freedom hoop diagnostic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |