CN105307376A - Medical electron linear accelerator - Google Patents
Medical electron linear accelerator Download PDFInfo
- Publication number
- CN105307376A CN105307376A CN201510557773.4A CN201510557773A CN105307376A CN 105307376 A CN105307376 A CN 105307376A CN 201510557773 A CN201510557773 A CN 201510557773A CN 105307376 A CN105307376 A CN 105307376A
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- linear accelerator
- accelerating tube
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H9/00—Linear accelerators
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
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Abstract
The invention discloses a medical electron linear accelerator, and the accelerator comprises a pedestal, a fixed rack disposed on the pedestal, a rotating rack fixed at the front side of the fixed rack, and a treatment couch disposed at the front side of the rotating rack. The rotating rack is provided with a treatment head and a digital display. The interior of the treatment head is provided with an acceleration device, a radiation device, and a temperature and inflation device. The radiation device is disposed at the lower end of the acceleration device, and the acceleration device comprises an electronic gun, an acceleration tube, an ion pump, a microwave transmission device, a microwave power source, and a pulse modulator. One end, close to the rotating rack, of the treatment couch is provided with a rotating device and a detector, and the other end of the treatment couch is provided with a holding device. The accelerator is simple in structure, is clear in graph, is easy for the adjustment of a rotating angle, and is convenient to use.
Description
Technical field
The present invention relates to a kind of medical electron linear accelerator.
Background technology
Medical linear electron accelerator is that the one in biomedicine is used for carrying out radiocurable particle accelerator device to tumour, it utilizes the microwave electric field of the high energy electron (speed reaches subvelocity of light) and HIGH-POWERED MICROWAVES with certain energy to interact, thus obtains higher energy.At this moment the speed of electronics increases little, and mainly quality constantly becomes large, and electronics is directly drawn, and can do electric wire treatment.Electronic percussion heavy metal target, high bremstrahlen penetrated by shovel, launches X ray, does x-ray treatment.The control panel that traditional medical linear electron accelerator is controlled in frame by doctor in the process used operates, for the bad grasp of angle that rotary frame rotates, the accuracy for the treatment of is low, weak effect, and due to the disembark distance of body of doctor closer, unnecessary radiation can be caused, can damage health for a long time in the past.
Summary of the invention
Technical problem to be solved by this invention is the defect overcoming prior art, provides a kind of medical electron linear accelerator, and it is provided with hander and digital display, doctor can be facilitated to carry out the operation of control machine, result for the treatment of is good, and security performance is high, easy to use.
The present invention solves the problems of the technologies described above the technical scheme taked: a kind of medical electron linear accelerator, comprise base, and the fixed frame be arranged on base, and the rotary frame be arranged on front side of fixed frame, and the therapeutic bed be arranged on front side of rotary frame, described rotary frame is provided with treatment head and digital display, accelerator is provided with in described treatment head, radiation appliance and temperature control and aerating device, described radiation appliance is arranged on the lower end of accelerator, described accelerator comprises electron gun, accelerating tube, ionic pump, microwave transmission unit, microwave power source and pulse modulator, the output of described electron gun is connected with accelerating tube, described accelerating tube is connected with microwave power source by microwave transmission unit, described ionic pump is connected with microwave transmission unit with accelerating tube respectively, the output of described pulse modulator is connected with microwave power source with electron gun respectively, the output of described accelerating tube is connected with radiation appliance, described therapeutic bed is provided with whirligig and detector near one end of rotary frame, the other end of described therapeutic bed is provided with hander.
Further, described accelerating tube comprises accelerating structure and deriving structure, and described accelerating structure is arranged on inside accelerating tube, and described accelerating tube is connected with radiation appliance by deriving structure, accelerating structure accelerates electronics, and the effect of deriving structure is drawn by electron beam.
Further, described accelerating structure comprises traveling-wave structure and standing wave structure, and standing wave structure can obtain higher energy gain than traveling-wave structure in same length.
Further, described microwave transmission unit comprises waveguide bend, flexible waveguide, directional coupler, absorption water load and three terminal circulators, described accelerating tube is connected with microwave power source with three terminal circulators by waveguide bend, flexible waveguide, directional coupler successively, described directional coupler, absorption water load and microwave power source are separately positioned on three junctions of three terminal circulators, for exporting microwave, make microwave and electron interaction.
Further, described microwave power source is magnetron or klystron, and magnetron is microwave self-excited oscillator, and its volume is little, and operating voltage is low, and be usually used in low, middle energy machine, klystron is applicable to high energy machine, and klystron is microwave power amplifier, and volume is large, and operating voltage is high.
Further, described radiation appliance comprises target, plumbous door, expansion device, ionization chamber, controlled plumbous door and irradiation head from top to bottom successively, described radiation appliance is corresponding with the detector in therapeutic bed, for generation of X ray, and ray is integrated neat, be evenly distributed, and limit the scope of radiation, be irradiated to accurately on the health of patient by irradiation head.
Further, described temperature control and aerating device comprise thermostatted water device for cooling and aerating device, described thermostatted water device for cooling is respectively with accelerating tube, target, microwave power source, three terminal circulators with absorb water load and be connected, described aerating device is connected with microwave transmission unit, for absorbing accelerating tube, target, microwave power source, three terminal circulators and absorbing the heat produced in the work such as water load, aerating device fills insulating gas again after vacuumizing microwave transmission unit, as nitrogen, freon etc., to prevent electric field breakdown.
Further, described whirligig is provided with swing-around trajectory, front end and the swing-around trajectory of described therapeutic bed are arranged for sliding, and are used for the treatment of the rotation of bed.
Further, the lower end of described therapeutic bed is provided with lowering or hoisting gear, and described lowering or hoisting gear is hydraulic elevator, for adjusting the height of therapeutic bed.
Further, be provided with power supply in described fixed frame, the side of described fixed frame is provided with control panel, and power supply provides electric energy for whole machine, and control panel is used for the operation of control machine.
After have employed technique scheme, the present invention has following beneficial effect: medical electron linear accelerator of the present invention, owing to being provided with digital display screen, the angle seeing that rotary frame rotates accurately can be known, improve accuracy and the result for the treatment of of treatment, owing to being provided with hander, doctor directly operates at the afterbody of therapeutic bed, do not need the operation that the moment can operate machines near rotary frame, easy to use, reduce unnecessary radiation, improve the fail safe using electron linear accelerator, humanization designing, practicality is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of medical electron linear accelerator of the present invention;
Fig. 2 is the structural representation of the accelerator of a kind of medical electron linear accelerator of the present invention;
Fig. 3 is the structural representation of the radiation appliance of a kind of medical electron linear accelerator of the present invention;
Fig. 4 is the schematic diagram of the accelerator of a kind of medical electron linear accelerator of the present invention.
Embodiment
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation.
As depicted in figs. 1 and 2, a kind of medical electron linear accelerator, comprise base 1, and the fixed frame 2 be arranged on base 1, and the rotary frame 3 be arranged on front side of fixed frame 2, and the therapeutic bed 4 be arranged on front side of rotary frame 3, described rotary frame 3 is provided with treatment 5 and digital display 6, accelerator is provided with in described treatment 5, radiation appliance 28 and temperature control and aerating device, described radiation appliance 28 is arranged on the lower end of accelerator, described accelerator comprises electron gun 7, accelerating tube 8, ionic pump 9, microwave transmission unit 10, microwave power source 11 and pulse modulator 12, the output of described electron gun 7 is connected with accelerating tube 8, described accelerating tube 8 is connected with microwave power source 11 by microwave transmission unit 10, described ionic pump 9 is connected with microwave transmission unit 10 with accelerating tube 8 respectively, the output of described pulse modulator 12 is connected with microwave power source 11 with electron gun 7 respectively, the output of described accelerating tube 8 is connected with radiation appliance 28, described therapeutic bed 4 is provided with whirligig 13 and detector 14 near one end of rotary frame 3, the other end of described therapeutic bed 4 is provided with hander 15.
Described accelerating tube 8 comprises accelerating structure and deriving structure, and described accelerating structure is arranged on inside accelerating tube 8, and described accelerating tube 8 is connected with radiation appliance 28 by deriving structure, and accelerating structure accelerates electronics, and the effect of deriving structure is drawn by electron beam.
Described accelerating structure comprises traveling-wave structure and standing wave structure, and standing wave structure can obtain higher energy gain than traveling-wave structure in same length.
Described microwave transmission unit 10 comprises waveguide bend 16, flexible waveguide 17, directional coupler 18, absorbs water load 19 and three terminal circulators 20, described accelerating tube 8 is connected with microwave power source 11 with three terminal circulators 20 by waveguide bend 16, flexible waveguide 17, directional coupler 18 successively, described directional coupler 18, absorption water load 19 and microwave power source 11 are separately positioned on three junctions of three terminal circulators 20, for exporting microwave, make microwave and electron interaction.
Described microwave power source 11 is magnetron or klystron, and magnetron is microwave self-excited oscillator, and its volume is little, and operating voltage is low, and be usually used in low, middle energy machine, klystron is applicable to high energy machine, and klystron is microwave power amplifier, and volume is large, and operating voltage is high.
Described radiation appliance 28 comprises target 21, plumbous door 22, expansion device 23, ionization chamber 24, controlled plumbous door 25 and irradiation head 26 from top to bottom successively, described radiation appliance 28 is corresponding with the detector 14 in therapeutic bed 4, for generation of X ray, and ray is integrated neat, be evenly distributed, and limit the scope of radiation, be irradiated to accurately on the health of patient by irradiation head 26.
Described temperature control and aerating device comprise thermostatted water device for cooling and aerating device, described thermostatted water device for cooling is respectively with accelerating tube 8, target 21, microwave power source 11, three terminal circulator 20 with absorb water load 19 and be connected, described aerating device is connected with microwave transmission unit 10, for absorbing accelerating tube 8, target 21, microwave power source 11, three terminal circulator 20 and absorbing the heat produced in the work such as water load 19, aerating device fills insulating gas again after vacuumizing microwave transmission unit 10, as nitrogen, freon etc., to prevent electric field breakdown.
Described whirligig 13 is provided with swing-around trajectory, and front end and the swing-around trajectory of described therapeutic bed 4 are arranged for sliding, and are used for the treatment of the rotation of bed 4.
The lower end of described therapeutic bed 4 is provided with lowering or hoisting gear 27, and described lowering or hoisting gear 27 is hydraulic elevator, for adjusting the height of therapeutic bed 4.
Be provided with power supply in described fixed frame 2, the side of described fixed frame 2 is provided with control panel, and power supply provides electric energy for whole machine, and control panel is used for the operation of control machine.
Carrying out in therapeutic process, patient lies in therapeutic bed 4, start electron linear accelerator, now electron gun 7 produces the electronics for accelerating, thermal electron is produced after its negative electrode is heated, under high voltage electric field effect between negative electrode and anode, injection accelerating structure is passed from anodes centre duct with certain primary power, the microwave that microwave power source 11 sends simultaneously arrives in accelerating tube 8 by microwave transmission unit 10, form microwave electric field, with microwave interactive in the microwave electric field of electronics in accelerating tube 8, the principle that pulse modulator 12 utilizes energy storage to discharge forms high-voltage pulse, after voltage amplifies by pulse transformer further, supplied for electronic rifle 7 and microwave power source 11 use, accelerating field high as far as possible and electron beam can be obtained, instantaneous microwave power is large, bring up to MW magnitude, through with microwave interactive after electronics utilize ejector arrive radiation appliance 28, by carrying out target practice 21 in radiation appliance 28, obtain X ray, and through integrating, all even restriction site is emitted by irradiation head 26, human body through patient arrives detector 14, doctor can use the hander 15 of therapeutic bed tail end when operating machines, and can clearly understand by digital display screen 6 angle that rotary frame 3 rotates, convenient and simple, practicality is good.
The present invention has following beneficial effect: medical electron linear accelerator of the present invention, owing to being provided with digital display screen, the angle seeing that rotary frame rotates accurately can be known, improve accuracy and the result for the treatment of of treatment, owing to being provided with hander, doctor directly operates at the afterbody of therapeutic bed, do not need the operation that the moment can operate machines near rotary frame, easy to use, reduce unnecessary radiation, improve the fail safe using electron linear accelerator, humanization designing, practicality is good.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the present invention solves are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a medical electron linear accelerator, it is characterized in that: comprise base, and the fixed frame be arranged on base, and the rotary frame be arranged on front side of fixed frame, and the therapeutic bed be arranged on front side of rotary frame, described rotary frame is provided with treatment head and digital display, accelerator is provided with in described treatment head, radiation appliance and temperature control and aerating device, described radiation appliance is arranged on the lower end of accelerator, described accelerator comprises electron gun, accelerating tube, ionic pump, microwave transmission unit, microwave power source and pulse modulator, the output of described electron gun is connected with accelerating tube, described accelerating tube is connected with microwave power source by microwave transmission unit, described ionic pump is connected with microwave transmission unit with accelerating tube respectively, the output of described pulse modulator is connected with microwave power source with electron gun respectively, the output of described accelerating tube is connected with radiation appliance, described therapeutic bed is provided with whirligig and detector near one end of rotary frame, the other end of described therapeutic bed is provided with hander.
2. a kind of medical electron linear accelerator according to claim 1, it is characterized in that: described accelerating tube comprises accelerating structure and deriving structure, described accelerating structure is arranged on inside accelerating tube, and described accelerating tube is connected with radiation appliance by deriving structure.
3. a kind of medical electron linear accelerator according to claim 2, is characterized in that: described accelerating structure comprises traveling-wave structure and standing wave standing wave structure.
4. a kind of medical electron linear accelerator according to claim 1, it is characterized in that: described microwave transmission unit comprises waveguide bend, flexible waveguide, directional coupler, absorption water load and three terminal circulators, described accelerating tube is connected with microwave power source with three terminal circulators by waveguide bend, flexible waveguide, directional coupler successively, and described directional coupler, absorption water load and microwave power source are separately positioned on three junctions of three terminal circulators.
5. a kind of medical electron linear accelerator according to claim 1, is characterized in that: described microwave power source is magnetron or klystron.
6. a kind of medical electron linear accelerator according to claim 1, it is characterized in that: described radiation appliance comprises target, plumbous door, expansion device, ionization chamber, controlled plumbous door and irradiation head from top to bottom successively, and described radiation appliance is corresponding with the detector in therapeutic bed.
7. a kind of medical electron linear accelerator according to claim 1, it is characterized in that: described temperature control and aerating device comprise thermostatted water device for cooling and aerating device, described thermostatted water device for cooling is respectively with accelerating tube, target, microwave power source, three terminal circulators with absorb water load and be connected, and described aerating device is connected with microwave transmission unit.
8. a kind of medical electron linear accelerator according to claim 1, is characterized in that: described whirligig is provided with swing-around trajectory, front end and the swing-around trajectory of described therapeutic bed are arranged for sliding.
9. a kind of medical electron linear accelerator according to claim 1, is characterized in that: the lower end of described therapeutic bed is provided with lowering or hoisting gear, described lowering or hoisting gear is hydraulic elevator.
10. a kind of medical electron linear accelerator according to claim 1, it is characterized in that: be provided with power supply in described fixed frame, the side of described fixed frame is provided with control panel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510557773.4A CN105307376A (en) | 2015-09-05 | 2015-09-05 | Medical electron linear accelerator |
| PCT/CN2016/077773 WO2017036130A1 (en) | 2015-09-05 | 2016-03-29 | Medical electron linear accelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510557773.4A CN105307376A (en) | 2015-09-05 | 2015-09-05 | Medical electron linear accelerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105307376A true CN105307376A (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510557773.4A Pending CN105307376A (en) | 2015-09-05 | 2015-09-05 | Medical electron linear accelerator |
Country Status (2)
| Country | Link |
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| CN (1) | CN105307376A (en) |
| WO (1) | WO2017036130A1 (en) |
Cited By (4)
| 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 |
| CN108392741A (en) * | 2018-04-04 | 2018-08-14 | 西安大医数码科技有限公司 | Microwave power control device and radiotherapy equipment |
| CN109999373A (en) * | 2019-04-12 | 2019-07-12 | 上海联影医疗科技有限公司 | Medical accelerator and its energy monitoring, regulating device, radiotherapy equipment |
| CN110278652A (en) * | 2019-02-01 | 2019-09-24 | 深圳铭杰医疗科技有限公司 | Accelerator for electron therapy and treating equipment for medical purpose |
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| CN107412964A (en) * | 2017-09-12 | 2017-12-01 | 魏绪国 | Medical computerized linear accelerator monitoring and protecting device and its implementation |
| CN110327555B (en) * | 2019-08-08 | 2024-05-03 | 山东新华医疗器械股份有限公司 | Medical linear accelerator and medical instrument |
| CN111372368A (en) * | 2020-03-16 | 2020-07-03 | 宁夏方宏辐照技术有限公司 | Special electron linear accelerator of medicine |
| CN112870559B (en) * | 2020-12-30 | 2022-08-30 | 兰州科近泰基新技术有限责任公司 | Compact proton tumor treatment device |
| CN116261251A (en) * | 2023-03-28 | 2023-06-13 | 北京机械工业自动化研究所有限公司 | Electronic linear accelerator for light X-band nondestructive testing |
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| CN110278652A (en) * | 2019-02-01 | 2019-09-24 | 深圳铭杰医疗科技有限公司 | Accelerator for electron therapy and treating equipment for medical purpose |
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| Publication number | Publication date |
|---|---|
| WO2017036130A1 (en) | 2017-03-09 |
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Application publication date: 20160203 |