CN205648169U - Medical electron linear accelerator - Google Patents
Medical electron linear accelerator Download PDFInfo
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- CN205648169U CN205648169U CN201620329369.1U CN201620329369U CN205648169U CN 205648169 U CN205648169 U CN 205648169U CN 201620329369 U CN201620329369 U CN 201620329369U CN 205648169 U CN205648169 U CN 205648169U
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- waveguide
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- accelerating tube
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Abstract
The utility model provides a medical electron linear accelerator, includes high -voltage pulse modulator, microwave power source, decline wave transmission mechanism and accelerating tube, the high -voltage pulse modulator with the microwave power source is connected, little wave transmission mechanism respectively with the microwave power source with the accelerating tube is connected, microwave power source fixed mounting is in a frame, little wave transmission mechanism includes: circulator or isolator, with the microwave power source is connected, and a plurality of waveguides, connect in proper order through a plurality of waveguide rotary joint respectively between a plurality of waveguides, waveguide rotary joint can adjust arbitrary two contained angle between the waveguide, circulator or isolator and a waveguide connection of a plurality of waveguides, the accelerating tube with the most last waveguide connection of a plurality of waveguides, the accelerating tube is in realize spatial position's adjustment and removal under the drive of a plurality of waveguides.
Description
Technical field
This utility model relates to a kind of electronic linear accelerating tube, particularly medical with electronic linear accelerating tube as radiation source
Electron linear accelerator.
Background technology
Modern medicine utilizes electronic linear accelerating tube to carry out the treatment to tumor more and more widely, its electronic energy accelerated
Measure as 4MeV to 20MeV.Electronic linear accelerating tube system by high voltage pulse modulator, microwave power source (magnetron or
Klystron), the composition such as microwave transmission system (generally comprising circulator and all kinds of waveguide) and accelerating tube.By to whole system
System Machine Design, it is achieved the control to accelerating tube locus, so control treatment time ray used locus and
Direction of illumination.
Accelerating tube is commonly installed on the rotating gantry, and roentgenization direction may utilize the motion of rotary frame and regulates.Micro-
Wave power source can be installed along with on rotary frame with accelerating tube (being typically with magnetron as microwave merit in this case
Rate source)；Microwave power origin system (being typically klystron in this case) can also fixedly mount, accelerating tube and microwave power
Connected by a waveguide rotary joint between origin system.This accelerating tube device is the hugest, and position is fixed.
The motion of the scheme only one of which dimension of the rotary frame that prior art is conventional, this greatly limits directions of rays
Motility during selection, the most unfavorable for treatment.A kind of such as the device of Cyberknife, its whole accelerating tube system is arranged on
On mechanical arm, position and angle can voluntary movements.So Cyberknife can realize the various dimensions motion of head, say, that
Directions of rays can there be is well control.But in this device, its whole treatment head contains power source and accelerating tube device,
Weight reaches 150kg, and this allows for head heaviness very, and the requirement to mechanical support part is the highest, simultaneously because head weight
Very big, so control accuracy also decreases.
Utility model content
Technical problem to be solved in the utility model is the drawbacks described above for prior art, it is provided that a kind of medical electric
Linear accelerator, takes into account the motility that ray controls and the weight alleviating head, it is achieved accelerating tube is in multiple dimensions simultaneously
Motion.
To achieve these goals, this utility model provides a kind of medical electronic linear accelerator, including high voltage pulse
Manipulator, microwave power source, microwave transmission mechanism and accelerating tube, described high voltage pulse manipulator is with described microwave power source even
Connecing, described microwave transmission mechanism is connected with described microwave power source and described accelerating tube respectively, and wherein, described microwave power source is solid
Dingan County is contained in a frame, and described microwave transmission mechanism includes:
Circulator or isolator, be connected with described microwave power source；And
Multiple waveguides, are linked in sequence by multiple waveguide rotary joints between the plurality of waveguide respectively, described circulator
Or isolator is connected with the first wave guide of the plurality of waveguide, described accelerating tube is connected with the most end waveguide of the plurality of waveguide,
The plurality of waveguide drives described accelerating tube to realize adjustment and the movement of locus.
Above-mentioned medical electronic linear accelerator, wherein, described waveguide rotary joint includes:
First fittings body, including the first rotary body, the first connecting portion and the first adjustable side, described first connecting portion is arranged on
The side of described first rotary body, the end of described first connecting portion is provided with microwave interface, and described first adjustable side coaxially sets
Put the top at described first rotary body；And
Second fittings body, with described first fittings body pivot joint being coaxially disposed, described second fittings body includes the second rotation
Body, the second connecting portion and the second adjustable side, described second connecting portion is arranged on the side of described second rotary body, and described second even
The end meeting portion is provided with microwave interface, and described second adjustable side is co-axially located at the bottom of described second rotary body, and described
One fittings body and described second fittings body relatively rotate to regulate the folder between described first connecting portion and described second connecting portion
Angle.
Above-mentioned medical electronic linear accelerator, it is characterised in that described first connecting portion is in described first rotary body
Top, described second connecting portion in the bottom of described second rotary body, described first rotary body, the first connecting portion and described
First adjustable side is structure as a whole part, and described second rotary body, the second connecting portion and described second adjustable side are structure as a whole part.
Above-mentioned medical electronic linear accelerator, wherein, the described waveguide rotary joint being connected with described first wave guide
Axis is perpendicular to the axis of the described waveguide rotary joint being connected with other described waveguides in the plurality of waveguide.
Above-mentioned medical electronic linear accelerator, wherein, the plurality of waveguide include first wave guide, second waveguide, the 3rd
Waveguide, the 4th waveguide and the 5th waveguide, described first wave guide, the 3rd waveguide and described 4th waveguide are straight wave guide, described second
Waveguide and described 5th waveguide are twisted waveguide.
Above-mentioned medical electronic linear accelerator, wherein, also includes that control system, described control system include microwave control
Mechanism and Mechanical course structure, described Mechanical course structure is connected with the plurality of waveguide, and described mechanical control mechanism adjusts institute
Stating the angle between multiple waveguide and realize adjustment and the movement of described accelerating tube locus, described microwave controlling organization controls institute
State high voltage pulse manipulator, microwave power source and described accelerating tube and produce electron beam or the X-ray meeting treatment requirement.
Above-mentioned medical electronic linear accelerator, wherein, described microwave power source is magnetron or klystron.
Above-mentioned medical electronic linear accelerator, wherein, described high voltage pulse manipulator is by cable and described microwave merit
Rate source connects.
Above-mentioned medical electronic linear accelerator, wherein, described accelerating tube is resident wave accelerating pipe, and described resident wave accelerating pipe leads to
Cross described waveguide rotary joint to be connected with described most end waveguide, and described resident wave accelerating pipe is by single waveguide mouth and described waveguide
Swivel joint connects.
Above-mentioned medical electronic linear accelerator, wherein, also includes that mechanical arm, one end of described mechanical arm are fixed on described
In frame, described accelerating tube is arranged on the other end of described mechanical arm, and the corresponding the plurality of waveguide of described mechanical arm be arranged in parallel
And be synchronized with the movement.
Of the present utility model have the technical effect that
This utility model microwave power source maintains static, and separately installed with accelerating tube, controls accelerating tube by mechanical arm
Locus, accelerating tube and power source system be connected by multiple microwave rotary joint, it is achieved accelerating tube is in multiple dimensions
On motion.Power source and Wave guide system being separated with accelerating tube, the weight that can greatly reduce moveable part head (is estimated
Below 50kg is reduced to by 200kg), mechanical arm load-bearing can improve positioning precision after alleviating, and maintains motility, also improves
The mobility of system and stability.
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail, but not as to this utility model
Restriction.
Accompanying drawing explanation
Fig. 1 is the medical electronic linear accelerator structural representation of this utility model one embodiment；
Fig. 2 is the waveguide rotary joint structural representation of this utility model one embodiment；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the microwave interface structure schematic diagram of this utility model one embodiment.
Wherein, reference
1 high voltage pulse manipulator
2 microwave power sources
3 microwave transmission mechanisms
31 circulators
32 waveguides
321 first wave guides
322 second waveguide
323 the 3rd waveguides
324 the 4th waveguides
325 the 5th waveguides
33 waveguide rotary joints
331 first fittings bodies
3311 first rotary bodies
3312 first connecting portions
3313 first adjustable sides
332 second fittings bodies
3321 second rotary bodies
3322 second connecting portions
3323 second adjustable sides
333 first wave guide swivel joints
334 second waveguide swivel joints
335 the 3rd waveguide rotary joints
336 the 4th waveguide rotary joints
34 microwave interfaces
341 waveguide mouths
4 accelerating tubes
5 electron beams or X-ray
6 mechanical arms
7 cables
Detailed description of the invention
Below in conjunction with the accompanying drawings structural principle of the present utility model and operation principle are described in detail:
See the medical electronic linear accelerator structural representation that Fig. 1, Fig. 1 are this utility model one embodiment.This practicality
Novel medical electronic linear accelerator, including high voltage pulse manipulator 1, microwave power source 2, microwave transmission mechanism 3 and acceleration
Pipe 4, described high voltage pulse manipulator 1 is connected with described microwave power source 2, described microwave transmission mechanism 3 respectively with described microwave
Power source 2 and described accelerating tube 4 connect, and described microwave power source 2 is fixedly mounted on (not shown) in a frame, and described microwave passes
Transfer mechanism 3 includes: circulator 31 or isolator, is connected with described microwave power source 2；And multiple waveguide 32, the plurality of ripple
Leading and be linked in sequence by multiple waveguide rotary joints 33 respectively between 32, described waveguide rotary joint 33 can adjust any two institute
State the angle theta between waveguide 32, described circulator 31 or isolator to be connected with the first wave guide 321 of the plurality of waveguide 32, institute
Stating accelerating tube 4 to be connected with the most end waveguide 32 of the plurality of waveguide 32, described accelerating tube 4 is under the drive of the plurality of waveguide 32
Realize adjustment and the movement of locus.
Seeing the waveguide rotary joint structural representation that Fig. 2 and Fig. 3, Fig. 2 are this utility model one embodiment, Fig. 3 is Fig. 2
Top view.In the present embodiment, described waveguide rotary joint 33 includes: the first fittings body 331, including the first rotary body 3311,
First connecting portion 3312 and the first adjustable side 3313, described first connecting portion 3312 is arranged on the side of described first rotary body 3311
Face, the end of described first connecting portion 3312 is provided with microwave interface, and described first adjustable side 3313 is co-axially located at described
The top of one rotary body 3311；And second fittings body 332, with described first fittings body 331 pivot joint being coaxially disposed, described
Two fittings bodies 332 include the second rotary body the 3321, second connecting portion 3322 and the second adjustable side 3323, described second connecting portion
3322 sides being arranged on described second rotary body 3321, the end of described second connecting portion 3322 is provided with microwave interface, institute
State the second adjustable side 3323 and be co-axially located at the bottom of described second rotary body 3321, described first fittings body 331 and described the
Two fittings bodies 332 relatively rotate to regulate the angle between described first connecting portion 3312 and described second connecting portion 3322, institute
State the regulation for microwave matching of the first adjustable side 3313 and the second adjustable side 3323.Wherein, the most described first connecting portion
3312 tops being positioned at described first rotary body 3311, described second connecting portion 3322 is positioned at described second rotary body 3321 times
Portion, described first rotary body the 3311, first connecting portion 3312 and described first adjustable side 3313 be structure as a whole part, and described second
Rotary body the 3321, second connecting portion 3322 and described second adjustable side 3323 are structure as a whole part.In the present embodiment, preferably with institute
The axis stating the described waveguide rotary joint 33 that first wave guide 321 connects is perpendicular to and other described ripples in the plurality of waveguide 32
Lead the axis of the described waveguide rotary joint 33 of 32 connections.
In the present embodiment, the plurality of waveguide 32 includes first wave guide 321, second waveguide the 322, the 3rd waveguide the 323, the 4th
Waveguide 324 and the 5th waveguide 325, the waveguide 323 of described first wave guide the 321, the 3rd and described 4th waveguide 324 are straight wave guide, institute
State second waveguide 322 and described 5th waveguide 325 is twisted waveguide.Wherein the angle theta between two waveguides 32 can be adjusted as required
Joint, but have no effect on the transmission of microwave.The present embodiment uses four waveguide rotary joints 33 altogether, wherein straight with first wave guide 321
The plane of first wave guide swivel joint 333 motion that waveguide connects (respectively is second with other three waveguide rotary joints
Waveguide rotary joint the 334, the 3rd waveguide rotary joint 335 and the 4th waveguide rotary joint 336) plane moved is vertical.This is years old
The part in one waveguide rotary joint 333 front (i.e. right side in Fig. 1) is fixed, and transfixion, after this first wave guide swivel joint 333
The part (i.e. left side in Fig. 1) of side is the part that can control motion.Control the first wave that first wave guide swivel joint 333 connects
Lead the angle theta between 321 and second waveguide 322, it is possible to achieve the displacement of moveable part horizontal direction, by controlling below three
I.e. second waveguide swivel joint the 334, the 3rd waveguide rotary joint 335 and the 4th waveguide rotary joint 336 of individual waveguide rotary joint,
Three angle theta adjusted between second waveguide the 322, the 3rd waveguide the 323, the 4th waveguide 324 and the 5th waveguide 325 just can control
Accelerating tube 4 front and back moves up and down on a vertical face, so the cooperation of four waveguide rotary joints 33 can realize accelerating
The multidimensional of pipe 4 locus controls.
In order to realize above-mentioned control, this utility model may also include control system (not shown), and described control system can be wrapped
Including microwave controlling organization and Mechanical course structure, described Mechanical course structure is connected with the plurality of waveguide 32, described machinery control
Mechanism processed realizes adjustment and movement, the institute of described accelerating tube 4 locus by adjusting the angle theta between the plurality of waveguide 32
State microwave controlling organization and meet to produce for controlling described high voltage pulse manipulator 1, microwave power source 2 and described accelerating tube 4
The electron beam for the treatment of requirement or X-ray 5.Wherein, described microwave power source 2 is preferably magnetron or klystron.Described pulse is high
Pressure manipulator 1 is connected by cable 7 with described microwave power source 2 and provides high-tension electricity.Described accelerating tube 4 is preferably standing wave to accelerate
Pipe 4, only one of which waveguide mouth.Described resident wave accelerating pipe 4 is connected with described most end waveguide 32 by described waveguide rotary joint 33,
And described resident wave accelerating pipe 4 is connected with described waveguide rotary joint 33 by single waveguide mouth 341.
In an embodiment of the present utility model, may also include mechanical arm 6, one end of described mechanical arm 6 is fixed on described machine
On frame, described accelerating tube 4 is arranged on the other end of described mechanical arm 6, and the corresponding the plurality of waveguide 32 of described mechanical arm 6 is parallel to be set
Put and be synchronized with the movement.Mechanical arm 6 is installed together with waveguide 32, and in microwave transmission mechanism 3, the first of waveguide rotary joint 33 even
Connect angle theta between portion 3312 and the second connecting portion 3322 and change along with mechanical arm 6.Accelerating tube 4 is controlled by mechanical arm 6, micro-
Wave power source 2 maintains static, accelerating tube 4 and microwave power source 2 be connected by including the microwave of multiple waveguide rotary joint 33
Transmission mechanism 3.High voltage pulse manipulator 1 provides high-voltage pulse, and high pressure is added in microwave power source 2 (magnetron or klystron)
On.Microwave power source 2 obtains high pressure and starts working output microwave pulse.Microwave pulse first passes through isolator (or circulator
31), it is then passed through waveguide 32 and is transferred to accelerating tube 4.
See the microwave interface structure schematic diagram that Fig. 4, Fig. 4 are this utility model one embodiment.This utility model owns
The connection of microwave device all can be attached by identical microwave interface 34.It is micro-that this utility model utilizes multistage waveguide 32 to transmit
Wave impulse, is connected by waveguide rotary joint 33 between multiple waveguides 32, and incorporating mill mechanical arm 6 is integrated.High voltage pulse manipulator 1 passes through
Cable 7 provides high-tension electricity, the microwave produced after the microwave power source 2 work waveguide by microwave interface 34 to microwave power source 2
Mouth 341 (seeing Fig. 4) are out.Circulator 31 (or isolator) afterwards, twisted waveguide 32, straight wave guide 32, waveguide rotary joint 33
It is all that (i.e. each device has two waveguide mouths 341 to twoport element, and in system, the waveguide mouth 341 of all microwave interfaces 34 is all
It is same specification).The connection starting all devices from microwave power source 2 is all that waveguide mouth 341 docks.Accelerating tube 4 is at various dimensions
On move through adjustment waveguide rotary joint 33 and realize.Microwave pulse enters accelerating tube 4 and sets up electromagnetism in accelerating tube 4
, electron gun divergent bundle simultaneously.After electron beam is accelerated to required energy, directly can be drawn by metal window and control
Treat, it is also possible to produce X-ray by electron beam target practice and treat.
This utility model use multiple waveguide rotary joint 33 and multistage waveguide 32 with the use of, pass not affecting microwave
The multi-dimensional movement of accelerating tube 4 is achieved in the case of defeated.The function of ejected wave cutter (Cyberknife) can be realized, but can be the biggest
Ground reduces the weight of head, such that it is able to improve the precision that ray controls, improves therapeutic effect.
Certainly, this utility model also can have other various embodiments, spiritual and essence without departing substantially from this utility model
In the case of, those of ordinary skill in the art when making various corresponding change and deformation according to this utility model, but these
Corresponding change and deformation all should belong to the scope of the claims appended by this utility model.
Claims (10)
1. a medical electronic linear accelerator, including high voltage pulse manipulator, microwave power source, microwave transmission mechanism and acceleration
Pipe, described high voltage pulse manipulator is connected with described microwave power source, described microwave transmission mechanism respectively with described microwave power
Source and described accelerating tube connect, it is characterised in that described microwave power source is fixedly mounted in a frame, described microwave transmission machine
Structure includes:
Circulator or isolator, be connected with described microwave power source；And
Multiple waveguides, are linked in sequence by multiple waveguide rotary joints between the plurality of waveguide respectively, described circulator or every
First wave guide from device with the plurality of waveguide is connected, and described accelerating tube is connected with the most end waveguide of the plurality of waveguide, described
Multiple waveguides drive described accelerating tube to realize adjustment and the movement of locus.
2. medical electronic linear accelerator as claimed in claim 1, it is characterised in that described waveguide rotary joint includes:
First fittings body, including the first rotary body, the first connecting portion and the first adjustable side, described first connecting portion is arranged on described
The side of the first rotary body, the end of described first connecting portion is provided with microwave interface, and described first adjustable side is co-axially located at
The top of described first rotary body；And
Second fittings body, and described first fittings body pivot joint being coaxially disposed, described second fittings body include the second rotary body,
Two connecting portions and the second adjustable side, described second connecting portion is arranged on the side of described second rotary body, described second connecting portion
End be provided with microwave interface, described second adjustable side is co-axially located at the bottom of described second rotary body, and described first connects
Head body and described second fittings body relatively rotate to regulate the angle between described first connecting portion and described second connecting portion.
3. medical electronic linear accelerator as claimed in claim 2, it is characterised in that described first connecting portion is in described the
The top of one rotary body, described second connecting portion in the bottom of described second rotary body, described first rotary body, first connect
Portion and described first adjustable side are structure as a whole part, and described second rotary body, the second connecting portion and described second adjustable side are one
Body structural member.
4. medical electronic linear accelerator as claimed in claim 2, it is characterised in that described in being connected with described first wave guide
The described waveguide rotary joint that the axis of waveguide rotary joint is perpendicular to be connected with other described waveguides in the plurality of waveguide
Axis.
5. medical electronic linear accelerator as claimed in claim 2, it is characterised in that the plurality of waveguide includes first wave
Lead, second waveguide, the 3rd waveguide, the 4th waveguide and the 5th waveguide, described first wave guide, the 3rd waveguide and described 4th waveguide are
Straight wave guide, described second waveguide and described 5th waveguide are twisted waveguide.
6. the medical electronic linear accelerator as described in claim 1,2,3,4 or 5, it is characterised in that also include control system,
Described control system includes microwave controlling organization and Mechanical course structure, and described Mechanical course structure is with the plurality of waveguide even
Connecing, described mechanical control mechanism adjusts the angle between the plurality of waveguide and realizes adjustment and the shifting of described accelerating tube locus
Dynamic, described microwave controlling organization controls described high voltage pulse manipulator, microwave power source and described accelerating tube and produces satisfied treatment
The electron beam required or X-ray.
7. the medical electronic linear accelerator as described in claim 1,2,3,4 or 5, it is characterised in that described microwave power source
For magnetron or klystron.
8. medical electronic linear accelerator as claimed in claim 7, it is characterised in that described high voltage pulse manipulator is by electricity
Cable is connected with described microwave power source.
9. the medical electronic linear accelerator as described in claim 1,2,3,4 or 5, it is characterised in that described accelerating tube is for staying
Ripple accelerating tube, described resident wave accelerating pipe is connected with described most end waveguide by described waveguide rotary joint, and described standing wave accelerates
Pipe is connected with described waveguide rotary joint by single waveguide mouth.
10. the medical electronic linear accelerator as described in claim 1,2,3,4 or 5, it is characterised in that also include mechanical arm,
One end of described mechanical arm is fixed in described frame, and described accelerating tube is arranged on the other end of described mechanical arm, described machinery
The corresponding the plurality of waveguide of arm be arranged in parallel and is synchronized with the movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620329369.1U CN205648169U (en) | 2016-04-18 | 2016-04-18 | Medical electron linear accelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620329369.1U CN205648169U (en) | 2016-04-18 | 2016-04-18 | Medical electron linear accelerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205648169U true CN205648169U (en) | 2016-10-12 |
Family
ID=57062398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620329369.1U Active CN205648169U (en) | 2016-04-18 | 2016-04-18 | Medical electron linear accelerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205648169U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306474A (en) * | 2016-04-18 | 2017-10-31 | 清华大学 | A kind of medical computerized linear accelerator |
| WO2024002341A1 (en) * | 2022-07-01 | 2024-01-04 | 同方威视技术股份有限公司 | X-band small-focus accelerator used for nondestructive testing |
-
2016
- 2016-04-18 CN CN201620329369.1U patent/CN205648169U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306474A (en) * | 2016-04-18 | 2017-10-31 | 清华大学 | A kind of medical computerized linear accelerator |
| CN107306474B (en) * | 2016-04-18 | 2023-10-13 | 清华大学 | Medical electron linear accelerator |
| WO2024002341A1 (en) * | 2022-07-01 | 2024-01-04 | 同方威视技术股份有限公司 | X-band small-focus accelerator used for nondestructive testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shi Jiaru Inventor after: Chen Huaibi Inventor after: Tang Chuanxiang Inventor after: Huang Wenhui Inventor after: Wang Ping Inventor before: Shi Jiaru |
|
| COR | Change of bibliographic data |