CN202160328U - Medium energy electron linear accelerator - Google Patents
Medium energy electron linear accelerator Download PDFInfo
- Publication number
- CN202160328U CN202160328U CN2011202409715U CN201120240971U CN202160328U CN 202160328 U CN202160328 U CN 202160328U CN 2011202409715 U CN2011202409715 U CN 2011202409715U CN 201120240971 U CN201120240971 U CN 201120240971U CN 202160328 U CN202160328 U CN 202160328U
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- irradiation head
- accelerating tube
- linear accelerator
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Abstract
The utility model discloses a medium energy electron linear accelerator, and belongs to the technical field of medical mechanical equipment. A fixing machine frame and a treating bed are arranged on a rigid base, wherein the treating bed can be rotated around the axial line of the rigid base; a rotating machine frame can be rotated around the axial line of the fixing machine frame; an irradiation head is arranged at the front end of the rotating machine frame through a cantilever thereof; the irradiation head consists of a shielding chamber, an accelerating tube, an electronic gun, a moveable target, a magnetic deflection system, a primary collimating cone, a rotating bracket, a scattering foil, a flattening filter, an ionization chamber, an auxiliary shield, a reflector and an X-ray collimator; the medium energy electron linear accelerator have the advantages that: when the X-ray illumination is need, the moveable target is moved to a beam axis, after regulating, the X-ray illumination field suitable for clinical requirement is provided; when an electronic line illumination is need, the moveable target is moved away, after a series of regulations, the electronic line illumination field suitable for clinical requirement is provided; and the standing wave accelerating tube with high speed acceleration can produce X-ray radiations with the nominal energy of 6 MV and 8 MV and electronic radiations with the nominal energy of 6 MeV, 8 MeV, 10 MeV, 12 MeV and 14 MeV; and the ray has stable index and reliable performance.
Description
Technical field
The utility model belongs to the medical apparatus and instruments technical field, is specifically related to a kind of middle ability electron linear accelerator.
Background technology
The design of centers such as common accelerator structure designing requirement employing; The center in source is equal to or greater than 80cm to isocentric distance; Preferably select SAD=100cm; And be no more than 130cm at the center to the distance on floor, be preferably 115cm, can not accept if a bed rotating disk pit does not expand the width that surpasses bed to.Medical electron linear accelerator has two types: a kind of is that single photon is directly restrainted the low energy medical electron linear accelerator, and another kind is a high energy medical electron linear accelerator in the two-photon deflection beam.The former accelerating tube length is shorter, and accelerating tube can be on accelerator irradiation head be uprightly placed, and beam be straight bundle, i.e. the axis coaxle of bundle spool and irradiation head, and compact conformation, cost are low, reliable, and its shortcoming is only to produce one grade of low energy X ray; The latter can produce X ray and two kinds of rays of electronics line; Become two-photon deflection beam type medical electron linear accelerator, electron beam is practiced shooting can produce the roentgenotherapia that X ray is used for deep tumor, does not directly draw if electron beam is not practiced shooting; Scattering through scattering foil; Can be used for showing the electron beam therapy of shallow tumour, the defective of its existence is: because its accelerating tube length is grown (usually greater than 1 meter), accelerating tube can not uprightly be placed on accelerator irradiation head; Need lie on the rotary frame of accelerator; The electron beam that accelerating tube produces needs earlier through magnetic deflection system deflection conversion, then could be again and the axis coaxle setting of irradiation head, so its complex structure, cost are high.
The utility model content
The technical problem that the utility model will solve is: overcome the deficiency of prior art, provide a kind of performance good, can X ray in can producing, simple in structure, cost is low middle can electron linear accelerator.
The utility model solves the technical scheme that its technical problem adopted: middle ability electron linear accelerator; Comprise fixed frame, rotary frame, irradiation head, therapeutic bed; It is characterized in that: said fixed frame, therapeutic bed are arranged on the rigid base, and said therapeutic bed can be around the axis rotation of said rigid base; Said rotary frame can be around the axis rotation of said fixed frame, and the irradiation head is arranged at the front end of said rotary frame through its cantilever.
Preferably, said irradiation head comprises shielded enclosure, is provided with accelerating tube in the said shielded enclosure, and said accelerating tube left end afterbody is installed electron gun, and the ray port of export of accelerating tube right-hand member is provided with the running target that is installed on the adjusting screw(rod); The upper left side of said running target is provided with magnetic deflection system, and the lower end is provided with elementary collimation awl; Said elementary collimation awl bottom is provided with a swinging mounting, and a scattering foil, expansion device are installed respectively on the said swinging mounting; Below said elementary collimation awl, swinging mounting, also be disposed with ionization chamber, reflective mirror and x-ray collimator, said x-ray collimator is positioned at said irradiation head bottom;
The bundle axle of electron beam behind overshoot and the axis coaxle setting of irradiation head that said accelerating tube produces; Said swinging mounting, ionization chamber all with the axis coaxle setting of irradiation head;
Said reflective mirror is a packaged type, is arranged on the rotating screw bolt.
Preferably, between said ionization chamber, reflective mirror, also be provided with auxiliary shield.
Preferably, said accelerating tube is a resident wave accelerating pipe.
Compared with prior art; The beneficial effect of the utility model is: when the needs x-ray bombardment; Running target is moved on the bundle axle, and the launched field size adjustment through elementary collimation awl collimation, the adjustment of expansion device ray uniformity, x-ray collimator provides the roentgenogram that meets clinical needs launched field; When the needs electron beam irradiation, running target is removed, through a series of adjustment, provide the electron beam irradiation that meets clinical needs wild; Scattering foil and X ray expansion device can be arranged on the swinging mounting, and the rotation swinging mounting is accomplished both replacing adjustment.Running target and reflective mirror can be arranged on the screw mechanism, and rotation screw rod separately can make running target and reflective mirror move certain distance respectively respectively, satisfy shift-in and with the position of shifting out requirement are set.The high resident wave accelerating pipe that quickens, the X radiation and the nominal energy that can produce nominal energy and be 6MV, 8MV are the electron radiation of 6MeV, 8MeV, 10MeV, 12MeV, 14MeV, the ray index is stable, dependable performance.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the irradiation header structure sketch map among Fig. 1.
Be labeled as among the figure:
1, fixed frame; 2, rotary frame; 3, irradiation head; 31, shielded enclosure; 32, accelerating tube; 33, electron gun; 34, running target; 35, magnetic deflection system; 36, elementary collimation awl; 37, swinging mounting; 38, scattering foil; 39, expansion device; 310, ionization chamber; 311, auxiliary shield; 312, reflective mirror; 313, x-ray collimator; 4, therapeutic bed; 5, rigid base.
Embodiment
Below in conjunction with accompanying drawing embodiment, the utility model done further describing:
Like Fig. 1, shown in 2, middle can electron linear accelerator, comprise fixed frame 1, rotary frame 2, irradiation head 3, therapeutic bed 4, said fixed frame 1, therapeutic bed 4 are arranged on the rigid base 5, said therapeutic bed 4 can be around the axis rotation of said rigid base 5; Said rotary frame 2 can be around the axis rotation of said fixed frame 1, and irradiation head 3 is arranged at the front end of said rotary frame 2 through its cantilever.
Said irradiation head 3 comprises shielded enclosure 31, is provided with accelerating tube 32 in the said shielded enclosure 31, and said accelerating tube 32 left end afterbodys are installed electron gun 33, and shielded enclosure 31 is the outer envelope of accelerating tube 32, the useless ray that produces during 32 work of maskable accelerating tube; The ray port of export of accelerating tube 32 right-hand members is provided with the running target 34 that is installed on the adjusting screw(rod), can move adjusting screw(rod) according to need of work, makes running target 34 move to or remove the beam axle;
The upper left side of said running target 34 is provided with magnetic deflection system 35, and the lower end is provided with elementary collimation awl 36; Said elementary collimation is bored 36 bottoms and is provided with swinging mounting 37, and a scattering foil 38, expansion device 39 are installed respectively on the said swinging mounting 37; Can rotate this swinging mounting 37 and switch according to need of work, make it be on the beam axis always;
Below said elementary collimation awl 36, swinging mounting 37, also be disposed with ionization chamber 310, auxiliary shield 311, reflective mirror 312 and x-ray collimator 313, said x-ray collimator 313 is positioned at said irradiation head 3 bottom; Said reflective mirror 312 is a packaged type, is arranged on the rotating screw bolt, can operate this rotating screw bolt and can make reflective mirror 312 move to or remove the beam axle according to need of work;
The bundle axle of electron beam behind overshoot and the axis coaxle setting of irradiation head 3 that said accelerating tube 32 produces; Said swinging mounting 37, ionization chamber 310 all with the axis coaxle setting of irradiation head 3; Said accelerating tube 32 is a resident wave accelerating pipe.The utility model operation principle and the course of work are following:
Like Fig. 1, shown in 2, when the needs x-ray bombardment, running target 34 is moved on the bundle axle, scattering foil 38 and 39 conversions of X ray expansion device move to x-ray collimator 313 on the bundle axle, accomplish preparation.Electron gun 33 energisings add thermal electron, and electron beam quickens through accelerating tube 32, produces very high energy; Through magnetic deflection system 35 deflections, electron beam axis and irradiation head 3 axis coaxles, electron beam pass accelerating tube 32 titanium windows; Bump running target 34 produces X ray, bores 36 collimations through elementary collimation; The launched field size adjustment of the adjustment of expansion device 39 ray uniformities, x-ray collimator 313 provides the roentgenogram that meets clinical needs launched field.
When the needs electron beam irradiation, running target 34 to be removed, scattering foil 38 and 39 conversions of X ray expansion device move to scattering foil 38 on the bundle axle, and reflective mirror 312 is removed, and accomplishes preparation.Electron gun 33 energisings add thermal electron; Electron beam quickens through accelerating tube 32, produces very high energy, through magnetic deflection system 35 deflections; Electron beam axis and irradiation head 3 axis coaxles; Electron beam passes accelerating tube 32 titanium windows, bores the auxiliary adjustment of 36 collimations, scattering foil 38 scatterings, x-ray collimator 313, the collimation of electronics calimator through elementary collimation, provides the electron beam irradiation that meets clinical needs wild.
The above; It only is the preferred embodiment of the utility model; Be not to be the restriction of the utility model being made other form, any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But every the utility model technical scheme content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection range of the utility model technical scheme according to the technical spirit of the utility model.
Claims (4)
1. middle ability electron linear accelerator; Comprise fixed frame (1), rotary frame (2), irradiation head (3), therapeutic bed (4); It is characterized in that: said fixed frame (1), therapeutic bed (4) are arranged on the rigid base (5), and said therapeutic bed (4) can be around the axis rotation of said rigid base (5); Said rotary frame (2) can be around the axis rotation of said fixed frame (1), and irradiation head (3) is arranged at the front end of said rotary frame (2) through its cantilever.
2. ability electron linear accelerator in according to claim 1; It is characterized in that: said irradiation head (3) comprises shielded enclosure (31); Be provided with accelerating tube (32) in the said shielded enclosure (31); Said accelerating tube (32) left end afterbody is installed electron gun (33), and the ray port of export of accelerating tube (32) right-hand member is provided with the running target (34) that is installed on the adjusting screw(rod); The upper left side of said running target (34) is provided with magnetic deflection system (35), and the lower end is provided with elementary collimation awl (36); Said elementary collimation awl (36) bottom is provided with a swinging mounting (37), and a scattering foil (38), expansion device (39) are installed respectively on the said swinging mounting (37); In said elementary collimation awl (36), swinging mounting (37) below, also be disposed with ionization chamber (310), reflective mirror (312) and x-ray collimator (313), said x-ray collimator (313) is positioned at said irradiation head (3) bottom;
The bundle axle of electron beam behind overshoot and the axis coaxle setting of irradiation head (3) that said accelerating tube (32) produces; Said swinging mounting (37), ionization chamber (310) all with the axis coaxle setting of irradiation head (3);
Said reflective mirror (312) is a packaged type, is arranged on the rotating screw bolt.
3. the ability electron linear accelerator is characterized in that: between said ionization chamber (310), reflective mirror (312), also be provided with auxiliary shield (311) in according to claim 2.
4. ability electron linear accelerator in according to claim 3, it is characterized in that: said accelerating tube (32) is a resident wave accelerating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202409715U CN202160328U (en) | 2011-07-09 | 2011-07-09 | Medium energy electron linear accelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202409715U CN202160328U (en) | 2011-07-09 | 2011-07-09 | Medium energy electron linear accelerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202160328U true CN202160328U (en) | 2012-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202409715U Expired - Lifetime CN202160328U (en) | 2011-07-09 | 2011-07-09 | Medium energy electron linear accelerator |
Country Status (1)
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| CN (1) | CN202160328U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688558A (en) * | 2012-05-29 | 2012-09-26 | 深圳市奥沃医学新技术发展有限公司 | Radiation therapy equipment |
| CN103687270A (en) * | 2012-09-19 | 2014-03-26 | 同方威视技术股份有限公司 | Accelerator |
| CN104225805A (en) * | 2014-08-15 | 2014-12-24 | 上海联影医疗科技有限公司 | Radiation head of medical accelerator |
| CN105307376A (en) * | 2015-09-05 | 2016-02-03 | 刘洋 | Medical electron linear accelerator |
| CN105521567A (en) * | 2014-10-21 | 2016-04-27 | 株式会社东芝 | Particle beam treatment apparatus |
| WO2017152470A1 (en) * | 2016-03-07 | 2017-09-14 | 苏州雷泰医疗科技有限公司 | Homologous dual-energy accelerator and therapy apparatus with accelerator |
| CN109513116A (en) * | 2017-09-18 | 2019-03-26 | 胡逸民 | A kind of ray intensity modulated therapy device |
| CN112055602A (en) * | 2019-11-04 | 2020-12-08 | 新里程医用加速器(无锡)有限公司 | Spiral volume intensity modulated radiotherapy device based on conical beam and imaging system |
-
2011
- 2011-07-09 CN CN2011202409715U patent/CN202160328U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688558B (en) * | 2012-05-29 | 2015-06-03 | 武汉数码刀医疗有限公司 | Radiation therapy equipment |
| CN102688558A (en) * | 2012-05-29 | 2012-09-26 | 深圳市奥沃医学新技术发展有限公司 | Radiation therapy equipment |
| CN103687270B (en) * | 2012-09-19 | 2016-06-29 | 同方威视技术股份有限公司 | Accelerator installation |
| CN103687270A (en) * | 2012-09-19 | 2014-03-26 | 同方威视技术股份有限公司 | Accelerator |
| CN104225805A (en) * | 2014-08-15 | 2014-12-24 | 上海联影医疗科技有限公司 | Radiation head of medical accelerator |
| CN104225805B (en) * | 2014-08-15 | 2019-10-08 | 上海联影医疗科技有限公司 | A kind of radiation head of medical accelerator |
| CN105521567A (en) * | 2014-10-21 | 2016-04-27 | 株式会社东芝 | Particle beam treatment apparatus |
| CN105521567B (en) * | 2014-10-21 | 2018-08-28 | 株式会社东芝 | Particle beam therapy device |
| CN105307376A (en) * | 2015-09-05 | 2016-02-03 | 刘洋 | Medical electron linear accelerator |
| WO2017036130A1 (en) * | 2015-09-05 | 2017-03-09 | 刘洋 | Medical electron linear accelerator |
| WO2017152470A1 (en) * | 2016-03-07 | 2017-09-14 | 苏州雷泰医疗科技有限公司 | Homologous dual-energy accelerator and therapy apparatus with accelerator |
| US10231322B2 (en) | 2016-03-07 | 2019-03-12 | Suzhou Linatech Medical Science And Technology Co., Ltd. | Homologous dual-energy accelerator and accelerator therapy device |
| CN109513116A (en) * | 2017-09-18 | 2019-03-26 | 胡逸民 | A kind of ray intensity modulated therapy device |
| CN112055602A (en) * | 2019-11-04 | 2020-12-08 | 新里程医用加速器(无锡)有限公司 | Spiral volume intensity modulated radiotherapy device based on conical beam and imaging system |
| CN112055602B (en) * | 2019-11-04 | 2022-08-23 | 新里程医用加速器(无锡)有限公司 | Spiral volume intensity modulated radiotherapy device based on conical beam and imaging system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |
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| CX01 | Expiry of patent term |