CN103691071A - Radiotherapeutic equipment - Google Patents
Radiotherapeutic equipment Download PDFInfo
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- CN103691071A CN103691071A CN201210375157.3A CN201210375157A CN103691071A CN 103691071 A CN103691071 A CN 103691071A CN 201210375157 A CN201210375157 A CN 201210375157A CN 103691071 A CN103691071 A CN 103691071A
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- electron beam
- radiotherapy
- runway
- accelerating
- accelerated
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- 230000003439 radiotherapeutic effect Effects 0.000 title abstract 5
- 238000010894 electron beam technology Methods 0.000 claims abstract description 79
- 238000001959 radiotherapy Methods 0.000 claims abstract description 79
- 230000001133 acceleration Effects 0.000 claims description 20
- 238000010408 sweeping Methods 0.000 claims description 2
- 230000001225 therapeutic effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005865 ionizing radiation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides radiotherapeutic equipment. The radiotherapeutic equipment comprises a machine frame, a therapeutic head connected with the machine frame, an accelerator arranged inside the machine frame, and a beam pipeline for connecting the accelerator and the therapeutic head, wherein the accelerator comprises a circular accelerating runway, an accelerating tube and a deflecting device; the accelerating tube is used for accelerating an entering electron beam, and outputting the accelerated electron beam to the circular accelerating runway; and the deflecting device is used for deflecting the accelerated electron beam entering the circular accelerating runway so as to enable the accelerated electron beam to reenter the accelerating tube for accelerating, or after the accelerated electron beam meets radiotherapeutic requirements, the electron beam required by radiotherapy is guided into the beam pipeline from the circular accelerating runway. The radiotherapeutic equipment is convenient to install, small in space occupation and low in cost, and can generate a high-energy scanning electron beam and a high-energy scanning photon beam.
Description
Technical field
The present invention relates to technical field of medical instruments, relate in particular to a kind of radiotherapy apparatus.
Background technology
Radiotherapy apparatus of the prior art mainly comprises: frame, the treatment head being connected with frame, be arranged at the accelerating tube in frame, and be arranged at the target in treatment head, wherein, accelerating tube is for accelerating electron beam, and the electron beam after will speed up draws, the electron beam after drawing can bombard target as required and produce photon beam, adopts photon beam to carry out radiotherapy, or, do not bombard target and directly adopt electron beam to carry out radiotherapy.
Existing radiotherapy apparatus has and takes up an area the advantages such as space is little, and cost is low, easy for installation, but the accelerating tube in radiotherapy apparatus only can produce power be less than 25MeV(million-electron-volt) electron beam, and cannot realize scanning beam treatment.
Summary of the invention
In view of this, the invention provides a kind of radiotherapy apparatus, easy for installation, occupation of land space is less, and cost is lower, and can produce high-octane scanning beam and photon beam.
For addressing the above problem, the invention provides a kind of radiotherapy apparatus, comprising:
Frame, the treatment head being connected with frame, is arranged at the accelerator in described frame, and for connecting the line pipeline of described accelerator and described treatment head;
Described accelerator comprises:
Runway is accelerated in circulation;
For the electron beam entering is accelerated, and the electron beam after will speed up exports the accelerating tube that runway is accelerated in described circulation to; And
For the electron beam accelerating entering described circulation after the described acceleration of runway, carry out deflection, making electron beam after described acceleration reenter described accelerating tube accelerates, or, electron beam after described acceleration meet radiotherapy required after, the required electron beam of described radiotherapy is accelerated to the arrangement for deflecting that runway causes described line pipeline from described circulation.
Preferably, described arrangement for deflecting is deflection magnet.
Described radiotherapy apparatus also comprises:
The electron beam accelerating entering described circulation for controlling described arrangement for deflecting after the described acceleration of runway carries out deflection, or controls described arrangement for deflecting the required electron beam of described radiotherapy is accelerated to the control device that runway causes described line pipeline from described circulation.
Described radiotherapy apparatus also comprises:
For under the bombardment of the required electron beam of described radiotherapy, produce the target of the required photon beam of radiotherapy, be arranged in described treatment head.
Described radiotherapy apparatus also comprises:
Focusing arrangement for the required electron beam of described radiotherapy by described line pipeline is focused on, is arranged in described frame, and is positioned at the surrounding of described line pipeline.
Preferably, described focusing arrangement is quadrupole electromagnet.
Described radiotherapy apparatus also comprises:
For the direction of the required electron beam of the described radiotherapy of described line pipeline output is controlled, produce the scanning means of the required scanning beam of radiotherapy.
Preferably, described scanning means is sweeping magnet.
Preferably, the energy of the required electron beam of described radiotherapy is between 10 million-electron-volt to 45 million-electron-volts.
The present invention has following beneficial effect:
Will speed up device and be placed in frame, realize integrated design, easy for installation, take up an area space less, cost is lower, in addition, because it can be to the electron beam acceleration that circulates, thereby, can produce high-octane scanning beam and photon beam, meet multiple radiotherapy demand.
Accompanying drawing explanation
Fig. 1 is a structural representation of the radiotherapy apparatus of the embodiment of the present invention;
Fig. 2 is the radiotherapy apparatus of the embodiment of the present invention and the syndeton schematic diagram of external control computer.The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
Be illustrated in figure 1 a structural representation of the radiotherapy apparatus of the embodiment of the present invention, described radiotherapy apparatus comprises: frame 101, the treatment being connected with frame 101 102, be arranged at the accelerator 103 in described frame 101, and for connecting the line pipeline 104 of described accelerator 103 and described treatment 102.
Wherein, described accelerator 103 comprises: runway 1031, accelerating tube 1032 and arrangement for deflecting 1033 are accelerated in circulation.
Described accelerating tube 1032 is for the electron beam entering is accelerated, and the electron beam after will speed up exports described circulation acceleration runway 1031 to; The outlet of described accelerating tube 1032 is all accelerated runway 1031 with described circulation with entrance and is connected.Consider smooth operation and the load-bearing of frame 101, can will speed up device 1032 and be placed in frame 101 in self-balancing position the best, so both can reduce counterweight, have the load that has reduced frame 101 rotation motors simultaneously.Described accelerating tube 1032 can for example provide the energy of 5MeV for the electron beam entering provides predetermined value energy at every turn as required, that is to say, once, energy just increases 5MeV to the described accelerating tube 1032 of the every process of described electron beam.
Described circulation is accelerated runway 1031 and is connected with described line pipeline 104; Described circulation is accelerated runway 1031 and is generally vacuum structure, minimum to guarantee electron beam energy attenuation in transmitting procedure.
Described arrangement for deflecting 1033 carries out deflection for the electron beam accelerating entering described circulation after the described acceleration of runway 1031, making electron beam after described acceleration reenter described accelerating tube 1032 accelerates, or, electron beam after described acceleration meet radiotherapy required after, the required electron beam of described radiotherapy is accelerated to runway 1031 from described circulation and causes described line pipeline 104.
Described arrangement for deflecting 1033 can be polytype structure, as long as it possesses the function of the direction of electron beam being carried out to deflection.In the embodiment of the present invention, described arrangement for deflecting 1033 is two deflection magnets, and described two deflection magnets lay respectively at the both sides that runway 1031 is accelerated in described circulation.
Above-mentioned radiotheraphy device is when work, first adopt 1032 pairs of electron beams that enter of described accelerating tube to accelerate, and the electron beam after will speed up exports described circulation acceleration runway 1031 to, 1033 pairs of described arrangements for deflecting enter the electron beam that described circulation accelerates after the acceleration of runway 1031 and carry out deflection, making electron beam after described acceleration reenter described accelerating tube 1032 accelerates, repeatedly carry out aforesaid operations, until the electron beam after described acceleration meet radiotherapy required after, described arrangement for deflecting 1033 accelerates runway 1031 by the required electron beam of described radiotherapy from described circulation and causes described line pipeline 104, described line pipeline 104 transfers to described treatment 102 by its required electron beam of described radiotherapy in entering, described treatment 102 can directly adopt the required electron beam of described radiotherapy to carry out radiotherapy as required, or, the electron beam required according to described radiotherapy generates photon beam, adopt described photon beam to carry out radiotherapy.
The radiotherapy apparatus that above-described embodiment provides, will speed up device and is placed in frame, realizes integrated design, easy for installation, take up an area space less, cost is lower, in addition, and because it can be to the electron beam acceleration that circulates, thereby, can produce high-octane electron beam, meet multiple radiotherapy demand.
Above-mentionedly likely can produce heat when controlling arrangement for deflecting 1033 work of beam direction, for arrangement for deflecting 1033 is lowered the temperature, the accelerator 103 of the embodiment of the present invention can also comprise a water cooling plant (scheming not shown), for described arrangement for deflecting 1033 is lowered the temperature.
In addition, electron beam is in transmitting procedure, more or less can encounter barrier, produce ionizing radiation, for avoiding the impact of these harmful ionizing radiation, the accelerator 103 of the embodiment of the present invention can also comprise a preventer (scheming not shown), for reducing the impact of the ionizing radiation that described electron beam produces in transmitting procedure.
Generally, the energy requirement of the required electron beam of radiotherapy (comprises 10MeV and 45MeV) between 10～45MeV.Suppose that current radiotherapy needs the electron beam of 20MeV, the every acceleration of accelerating tube 1031 once can provide the energy of 5MeV, needs to control 4 process accelerating tubes 1032 of electron beam, then leads to described line pipeline 104.
In order to control electron beam through the number of times of described accelerating tube 1031, the radiotherapy apparatus of the embodiment of the present invention can also comprise a control device (scheming not shown), for controlling 1033 pairs of described arrangements for deflecting, enter the electron beam that described circulation accelerates after the described acceleration of runway 1031 and carry out deflection, or control described arrangement for deflecting 1033 and the required electron beam of described radiotherapy is accelerated to runway 1031 from described circulation cause described line pipeline 104.
As shown in Figure 2, described control device can be connected with a computer 200 of outside, when user needs radiotherapy, can be by the energy of the required electron beam of described computer 200 input radiotherapies, described computer 200 is controlled 103 pairs of electron beams that enter of described accelerator by described control device and is repeatedly accelerated, thereby obtains the required electron beam of radiotherapy.
Described computer 200 except thering is above-mentioned functions, can also control described radiotherapy apparatus from movable pendulum position, for example, the motion of the rotation of frame 101, therapeutic bed 300 etc., make Patients During Radiotherapy convenient, fast.
During radiotherapy, except the electron beam that can directly adopt accelerator 103 to produce directly carries out radiotherapy, also need sometimes to adopt photon beam to carry out radiotherapy.As shown in Figure 1, the radiotherapy apparatus of the embodiment of the present invention can also comprise a target 105, and described target 105 is arranged in described treatment 102, under the bombardment at the required electron beam of described radiotherapy, produces the required photon beam of radiotherapy.
Described line pipeline 104 is in the process of the described electron beam of transmission, the transmission direction of electron beam likely can deflect, in order to overcome the problems referred to above, the radiotherapy apparatus of the embodiment of the present invention can also comprise a focusing arrangement 106, be arranged in described frame 101, and be positioned at the surrounding of described line pipeline 104. for to focusing on by the required electron beam of the described radiotherapy of described line pipeline 104.
Described focusing arrangement 106 can be polytype structure, as long as it possesses the function that electron beam is focused on.In the embodiment of the present invention, described focusing arrangement 106 is a quadrupole electromagnet.
In order to meet polytype radiotherapy demand, the radiotherapy apparatus of the embodiment of the present invention can also comprise one scan device 107, for the direction of the required electron beam of the described radiotherapy of described line pipeline 104 outputs is controlled, produce the required scanning beam of radiotherapy.
Described scanning means 107 can be polytype structure, as long as it possesses the function that the direction of electron beam is controlled.In the embodiment of the present invention, described scanning means 107 is one scan Magnet.
The electron beam that accelerating tube of the prior art is drawn is cone beam, for reaching dose distribution, during electric wire treatment, must use calimator, and, in the embodiment of the present invention, owing to having adopted scanning means 107, can control arbitrarily the direction of electron beam, thereby do not need to use calimator, simplified radiotherapy operating process.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a radiotherapy apparatus, is characterized in that, comprising:
Frame, the treatment head being connected with frame, is arranged at the accelerator in described frame, and for connecting the line pipeline of described accelerator and described treatment head;
Described accelerator comprises:
Runway is accelerated in circulation;
For the electron beam entering is accelerated, and the electron beam after will speed up exports the accelerating tube that runway is accelerated in described circulation to; And
For the electron beam accelerating entering described circulation after the described acceleration of runway, carry out deflection, making electron beam after described acceleration reenter described accelerating tube accelerates, or, electron beam after described acceleration meet radiotherapy required after, the required electron beam of described radiotherapy is accelerated to the arrangement for deflecting that runway causes described line pipeline from described circulation.
2. radiotherapy apparatus as claimed in claim 1, is characterized in that, described arrangement for deflecting is deflection magnet.
3. radiotherapy apparatus as claimed in claim 1, is characterized in that, also comprises:
The electron beam accelerating entering described circulation for controlling described arrangement for deflecting after the described acceleration of runway carries out deflection, or controls described arrangement for deflecting the required electron beam of described radiotherapy is accelerated to the control device that runway causes described line pipeline from described circulation.
4. radiotherapy apparatus as claimed in claim 1, is characterized in that, also comprises:
For under the bombardment of the required electron beam of described radiotherapy, produce the target of the required photon beam of radiotherapy, be arranged in described treatment head.
5. radiotherapy apparatus as claimed in claim 1, is characterized in that, also comprises:
Focusing arrangement for the required electron beam of described radiotherapy by described line pipeline is focused on, is arranged in described frame, and is positioned at the surrounding of described line pipeline.
6. radiotherapy apparatus as claimed in claim 5, is characterized in that, described focusing arrangement is quadrupole electromagnet.
7. radiotherapy apparatus as claimed in claim 1, is characterized in that, also comprises:
For the direction of the required electron beam of the described radiotherapy of described line pipeline output is controlled, produce the scanning means of the required scanning beam of radiotherapy.
8. radiotherapy apparatus as claimed in claim 7, is characterized in that, described scanning means is sweeping magnet.
9. radiotherapy apparatus as claimed in claim 1, is characterized in that, the energy of the electron beam that described radiotherapy is required is between 10 million-electron-volt to 45 million-electron-volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210375157.3A CN103691071A (en) | 2012-09-27 | 2012-09-27 | Radiotherapeutic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210375157.3A CN103691071A (en) | 2012-09-27 | 2012-09-27 | Radiotherapeutic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103691071A true CN103691071A (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210375157.3A Pending CN103691071A (en) | 2012-09-27 | 2012-09-27 | Radiotherapeutic equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN103691071A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109562276A (en) * | 2016-08-09 | 2019-04-02 | 保罗·谢勒学院 | The rack as the arm rotated in fore-and-aft plane for Part Ther |
| CN111212512A (en) * | 2020-03-06 | 2020-05-29 | 陕西利友百辉科技发展有限公司 | Accelerating device, irradiation system and high-energy electron manufacturing equipment and using method thereof |
| CN113616938A (en) * | 2021-08-05 | 2021-11-09 | 中国科学院近代物理研究所 | Compact electronic linear accelerator system for FLASH radiotherapy |
Citations (4)
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|---|---|---|---|---|
| CN2296606Y (en) * | 1997-04-19 | 1998-11-04 | 深圳奥沃国际科技发展有限公司 | Medical electronic cyclotron |
| US20120119115A1 (en) * | 2010-11-16 | 2012-05-17 | Mitsubishi Electric Corporation | Respiratory induction apparatus, respiratory induction program, and particle beam therapy system |
| CN102469677A (en) * | 2010-11-10 | 2012-05-23 | 北京大基康明医疗设备有限公司 | Method for accelerating electron beam in multistep way and multistep linear accelerator |
| CN202859923U (en) * | 2012-09-27 | 2013-04-10 | 北京大基康明医疗设备有限公司 | Radiotherapy equipment |
-
2012
- 2012-09-27 CN CN201210375157.3A patent/CN103691071A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2296606Y (en) * | 1997-04-19 | 1998-11-04 | 深圳奥沃国际科技发展有限公司 | Medical electronic cyclotron |
| CN102469677A (en) * | 2010-11-10 | 2012-05-23 | 北京大基康明医疗设备有限公司 | Method for accelerating electron beam in multistep way and multistep linear accelerator |
| US20120119115A1 (en) * | 2010-11-16 | 2012-05-17 | Mitsubishi Electric Corporation | Respiratory induction apparatus, respiratory induction program, and particle beam therapy system |
| CN202859923U (en) * | 2012-09-27 | 2013-04-10 | 北京大基康明医疗设备有限公司 | Radiotherapy equipment |
Non-Patent Citations (2)
| Title |
|---|
| 李泉凤等: "14 MeV医用电子直线加速器上270°偏转磁铁系统", 《清华大学学报(自然科学版)》 * |
| 赵根深: "医用电子加速器进展", 《自然杂志》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109562276A (en) * | 2016-08-09 | 2019-04-02 | 保罗·谢勒学院 | The rack as the arm rotated in fore-and-aft plane for Part Ther |
| CN109562276B (en) * | 2016-08-09 | 2021-03-02 | 保罗·谢勒学院 | Gantry as an arm rotating in a longitudinal plane for particle therapy |
| CN111212512A (en) * | 2020-03-06 | 2020-05-29 | 陕西利友百辉科技发展有限公司 | Accelerating device, irradiation system and high-energy electron manufacturing equipment and using method thereof |
| CN113616938A (en) * | 2021-08-05 | 2021-11-09 | 中国科学院近代物理研究所 | Compact electronic linear accelerator system for FLASH radiotherapy |
| CN113616938B (en) * | 2021-08-05 | 2024-03-15 | 中国科学院近代物理研究所 | Compact electronic linac system for FLASH radiotherapy |
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Application publication date: 20140402 |
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