CN109107053A - Conformal modulating radiotherapy device - Google Patents

Conformal modulating radiotherapy device Download PDF

Info

Publication number
CN109107053A
CN109107053A CN201810764384.2A CN201810764384A CN109107053A CN 109107053 A CN109107053 A CN 109107053A CN 201810764384 A CN201810764384 A CN 201810764384A CN 109107053 A CN109107053 A CN 109107053A
Authority
CN
China
Prior art keywords
accommodating space
source
radiotherapy device
shell
conformal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810764384.2A
Other languages
Chinese (zh)
Other versions
CN109107053B (en
Inventor
刘海峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Our United Corp
Original Assignee
Our United Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Our United Corp filed Critical Our United Corp
Priority to CN201810764384.2A priority Critical patent/CN109107053B/en
Publication of CN109107053A publication Critical patent/CN109107053A/en
Application granted granted Critical
Publication of CN109107053B publication Critical patent/CN109107053B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

The present invention provides a kind of conformal modulating radiotherapy device, comprising: shell is formed with an accommodating space and a shielding cavity;Screen is filled in the shielding cavity;Source body is housed in the accommodating space, for carrying cobalt radioactive source;The exit end of the radioactive source, including a collimating aperture is arranged in pre-collimated body, when the radioactive source is when increasing income position, the collimating aperture and the radioactive source face;Shield door is arranged in the side of the pre-collimated body far from the radioactive source, and the just described radioactive source is arranged;And multi-diaphragm collimator, it is arranged outside the shell, and rotated simultaneously relative to the shell with the shield door face, the shield door and multi-diaphragm collimator.The present invention also provides a kind of conformal modulating radiotherapy systems.

Description

Conformal modulating radiotherapy device
Technical field
The present invention relates to radiotherapy instrument fields, more particularly to a kind of conformal modulating radiotherapy device.
Background technique
3 dimensional conformal radiation therapy is a kind of high-precision radiotherapy, using the tumor structure of CT image reconstruction three-dimensional, By the way that a series of different irradiation fields, and use and the consistent conformal gear lead of lesion shape is arranged in different directions, so that high agent The distribution shape for measuring area is consistent with target region shape in three-dimensional (front and rear, left and right, up and down direction), while making perilesional Normal tissue is reduced by amount.
For three dimensional conformal radiation therapy system, treatment head is the part of core.Existing conformal therapy head is mostly using doctor Use linear accelerator as radioactive source.However, higher cost before the equipment of development Linear Accelerator Radiotherapy, and cobalt -60 is controlled The fixed assets investment for the treatment of machine radiotherapy is lower, and therefore, part manufacturer and consumer are still ready to select cobalt-60 treating machines. But structure is complicated and very heavy for existing cobalt-60 treating machines, is unfavorable for installing and transport.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of conformal modulating radiotherapy devices.
One embodiment of the invention provides a kind of conformal modulating radiotherapy device, comprising: shell, be formed with an accommodating space with An and shielding cavity;Screen is filled in the shielding cavity;Load source body is rotated, is housed in the accommodating space;Shielding Stick is housed in the body of the rotation load source;Source body is housed in the bottom end of the shielding stick, for carrying radioactive source;First driving Portion, on the housing, driving rotation load source body rotates about axis rotation for setting, makes the radioactive source in open source position and pass Source switches between position;The exit end of the radioactive source, including a collimating aperture is arranged in pre-collimated body, when the radioactive source is being opened When the position of source, the collimating aperture and the radioactive source face;One of the pre-collimated body far from the radioactive source is arranged in shield door Side, and the just described radioactive source is arranged;And multi-diaphragm collimator, be arranged outside the shell, and with the shield door face.
Another embodiment of the present invention provides a kind of conformal modulating radiotherapy system, including roller rack and at least one is above-mentioned Conformal modulating radiotherapy device, the conformal modulating radiotherapy device is arranged in roller rack and can follow the roller rack The shell of rotation, the conformal modulating radiotherapy device is relatively set with two interconnecting pieces, the interconnecting piece and the roller machine outside Frame is slidably connected, and the conformal modulating radiotherapy device is moved in the central axial direction of the roller rack.
Conformal modulating radiotherapy apparatus structure of the invention is simple and compact, is easy to be installed and be transported.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of conformal modulating radiotherapy device provided in an embodiment of the present invention;
Fig. 2 is the diagrammatic cross-section of the conformal modulating radiotherapy device of Fig. 1;
Fig. 3 is the structural schematic diagram of the shield door of the conformal modulating radiotherapy device of Fig. 1;
Fig. 4 is a kind of structural schematic diagram of conformal modulating radiotherapy system provided in an embodiment of the present invention.
Specific embodiment
Further more detailed description is made to technical solution of the present invention With reference to embodiment.Obviously, it is retouched The embodiment stated is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention Embodiment, those of ordinary skill in the art every other embodiment party obtained without creative labor Formula all should belong to the scope of protection of the invention.
Fig. 1 and Fig. 2 are please referred to, the present invention provides the conformal modulating radiotherapy device 100 of an embodiment comprising shell 10, Screen 20, rotation load source body 30, shielding stick 40, source body 50, the first driving portion 60, pre-collimated body 80, shield door 90, leafy standard Straight device 110, the second driving portion (not shown) and third driving portion 120.The shell 10 accommodates the screen 20, rotation carries Source body 30, shielding stick 40, source body 50, the second driving portion, pre-collimated body 80 and shield door 90.Described in the screen 20 and part Shell 10 is around rotation load source body 30.The shielding stick 40 and source body 50 are housed in rotation load source body 30, and institute It states source body 50 and is located at 40 bottom end of shielding stick.Under the driving of first driving portion 60, rotation load source body 30 can band It moves the shielding stick 40 and source body 50 rotates in the shell 10.The setting of pre-collimated body 80 is in the source body 50 and shielding Between door 90.The multi-diaphragm collimator 110 is arranged outside the shell 10, and to the just described shield door 90.Second driving portion drives It moves the shield door 90 and multi-diaphragm collimator 110 rotates, the third driving portion 120 is for driving the multi-diaphragm collimator 110 Carry out conformal adjustment.
It is understood that in other embodiments, the shield door 90 can also be arranged in except shell 10.
The shell 10 is the supporting element of entire conformal modulating radiotherapy device 100, outer shape can according to device requirement, Functional requirement etc. carries out particular design, more preferably to realize therapeutic effect.In the present embodiment, the shell 10 has irregular outer Shape, and it is formed with an accommodating space 11 and a shielding cavity 12, the shielding cavity 12 is for accommodating the screen 20, institute Accommodating space 11 is stated for accommodating other component, such as rotates load source body 30, shielding stick 40, source body 50, pre-collimated body 80 and shielding Door 90.More specifically, the shell 10 includes integrally formed lower half 13 and the upper half 14.In the present embodiment, the lower half In a rectangular parallelepiped shape, the shape of the upper half 14 is substantially in a circular table shape for the shape in portion 13.The accommodating space 11 includes mutually interconnecting Logical the first accommodating space 111 and the second accommodating space 112, first accommodating space 111 are formed under the shell 10 In half portion 13, second accommodating space 112 is formed in the upper half 14 of the shell 10, and second accommodating space 112 are formed with a circular open 113 on the shell 10.First accommodating space 111 accommodates the pre-collimated body 80 With shield door 90, second accommodating space 112 accommodates rotation load source body 30, shielding stick 40, source body 50.The shielding cavity It is separated between 12 and second accommodating space 112 by the side wall of partial shell 10.In the present embodiment, the shielding cavity 12 and institute 10 side wall ring of partial shell is stated around second accommodating space 112.In addition, being offered on the bottom surface of 10 lower half 13 of shell One through-hole 15, for being emitted to outside shell by the ray of shield door 90.
The screen 20 is filled in the shielding cavity 12, so that screen 20 and shell 10 wrap rotational source body 50 Shielding action is played in centre.In the present embodiment, the screen 20 is lead.It is appreciated that in other embodiments, it can be in shell Fill the better substance of other shielding properties in 10 inside.
Rotation load source body 30 is mounted in second accommodating space 112 by bearing (not shown), and passes through institute It states the driving of the first driving portion 60 and is rotated.In the present embodiment, rotation load source body 30 is cylindrical, the rotation load source Eccentric orfice 31 is offered in body 30.
The shielding stick 40 is housed in the eccentric orfice 31, and rotation load source body 30 is followed to rotate.The present embodiment In, the material of the shielding stick 40 is tungsten or tungsten alloy.
The source body 50 is arranged in the bottom end of the shielding stick 40 and is housed in the eccentric orfice 31, for carrying radiation Source.In the present embodiment, source body 50 is in cuboid, is assembled by the more sources Co-60, and the largest face face of source body 50 is treated Center will make the penumbra of all directions more when conformal modulating radiotherapy device 100 is rotated with roller (Fig. 3 will be described with) It is small.Shielding stick 40 and source body 50 can turn round with rotation load source body 30.
First driving portion 60 is arranged on the shell 10, to drive rotation load source body 30 around own rotation axis Rotation, so that the radioactive source be made to switch between open source position and Guan Yuanwei.More specifically, first driving portion 60 is fixed on The opening side of second accommodating space 112.In the present embodiment, first driving portion 60 is a motor, the motor It is rotated by rotation load source body 30 described in motor bevel gear driving.
The pre-collimated body 80 is fixed at the exit end of the radioactive source, and is formed with a collimating aperture 81, is used for The ray of radioactive source described in preliminary correcting.When the rotation of rotation load source body 30 to specific position, i.e. open source position, the source body Radioactive source on 50 is directed at the collimating aperture 81 of the pre-collimated body 80.And when the rotation of rotation load source body 30 to another certain bits It sets, that is, when closing source position, radioactive source deviates the collimating aperture 81.
Incorporated by reference to Fig. 3, the side of the pre-collimated body 80 far from the radioactive source is arranged in the shield door 90, and to just The radioactive source setting.The shield door 90 is used to play shielding action when the radioactive source is located at pass source position.Especially, It, can be right by rotation load source body 30, pre-collimated body 80 and the shield door 90 when treatment head is in non-treatment state Ray accomplishes multiple shield, guarantees safety of surrounding environment.In the present embodiment, the manufacture material of the shield door 90 is tungsten or its conjunction Gold.Specifically, the shield door 90 includes two fixed door-plates, 91, two mobile door-plates 92 and a doorframe (not shown), Described two fixed door-plates 91 are respectively perpendicular interlocking on the mobile door-plate 92 in approximately the same plane.The fixed door-plate 91 with The doorframe is fixedly connected, and the mobile door-plate 92 is connect by slide rail 93 with the doorframe, and the mobile door-plate 92 It can be mobile relative to the doorframe.The doorframe is connect by bearing with the shell 10, enables 90 phase of shield door The shell 10 is rotated.When the mobile door-plate 92 is moved relative to the doorframe, the mobile door-plate 92 and fixation The intermediate intersection location of door-plate 91 can enclose a square aperture, by adjusting the position of mobile door-plate 92, can adjust opening Size.In treatment, the openings of sizes is opened to scheduled width, and guarantees no unexpected ray evolution.And non- When therapeutic state, rotational source body 50, pre-collimated body 80, shield door 90 are successively closed, multiple shield is accomplished to ray.
The multi-diaphragm collimator 110 is arranged outside the shell 10, and with 90 face of shield door.10 bottom of shell Collimating aperture 81 of the through-hole 15 to just described shield door 90 and the pre-collimated body 80 on face, the setting of multi-diaphragm collimator 110 In 15 two sides of through-hole.In the present embodiment, the multi-diaphragm collimator 110 can also be revolved around the central axis of collimating aperture 81 Turn, keeps the transformation of multi-diaphragm collimator 110 more flexible.More specifically, second driving portion is arranged on the shell 10, and The shield door 90 and multi-diaphragm collimator 110 can be driven to rotate relative to the shell simultaneously, it is more thereby, it is possible to provide Ray emergent shape.The multi-diaphragm collimator 110 is connect with third driving portion 120, and the third driving portion 120 is by multiple small electricity Machine composition, it is conformal to complete for driving each blade of the multi-diaphragm collimator 110 mobile.It is understood that some In embodiment, the multi-diaphragm collimator 110 and second driving portion be may also be arranged in the shell 10.
Referring to Fig. 4, the present invention also provides a kind of conformal modulating radiotherapy systems 200 comprising roller rack 201 and extremely A few above-mentioned conformal modulating radiotherapy device 100.The conformal modulating radiotherapy device 100 is arranged in roller rack 201, and The roller rack 201 can be followed to rotate.In addition, being relatively set with outside the shell 10 of the conformal modulating radiotherapy device 100 Two interconnecting pieces 17 (please referring to Fig. 1), the interconnecting piece 17 are slidably connected with the roller rack 201, so that the conformal tune Strong radiotheraphy device 100 can move in the central axial direction of the roller rack 201, to be changed by axial wobble Incidence angle.
Conformal modulating radiotherapy device 100 of the invention, structure is simple and compact, is easy to be installed and be transported.
Described above be only the better embodiment in embodiment of the present invention, cannot be limited certainly with this Interest field of the invention, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.

Claims (10)

1. a kind of conformal modulating radiotherapy device, comprising:
Shell is formed with an accommodating space and a shielding cavity;
Screen is filled in the shielding cavity;
Source body is housed in the accommodating space, for carrying cobalt radioactive source;
The exit end of the radioactive source, including a collimating aperture is arranged in pre-collimated body, when the radioactive source is when increasing income position, institute State collimating aperture and the radioactive source face;
Shield door is arranged in the side of the pre-collimated body far from the radioactive source, and the just described radioactive source is arranged;And
Multi-diaphragm collimator, be arranged outside the shell, and with the shield door face;
The shield door and multi-diaphragm collimator are rotated relative to the shell simultaneously.
2. conformal modulating radiotherapy device according to claim 1, which is characterized in that further include:
Load source body is rotated, is housed in the accommodating space;
Stick is shielded, is housed in the body of the rotation load source;
The source body is housed in the bottom end of the shielding stick;
First driving portion, on the housing, driving rotation load source body rotates about axis rotation for setting, makes the radioactive source Switch between open source position and Guan Yuanwei.
3. conformal modulating radiotherapy device according to claim 1 further comprises the second driving portion, with the shield door with And multi-diaphragm collimator transmission connection, to drive the shield door and multi-diaphragm collimator to rotate relative to the shell simultaneously.
4. conformal modulating radiotherapy device according to claim 2, which is characterized in that offered on the body of the rotation load source partially Heart hole, the shielding stick and source body are housed in the eccentric orfice, and the rotation load source body is followed to rotate, when the rotation When load source body is rotated to specific position, the radioactive source on the source body is directed at the collimating aperture of the pre-collimated body.
5. conformal modulating radiotherapy device according to claim 2, which is characterized in that the shell includes lower half and upper half Portion, the accommodating space include interconnected the first accommodating space and the second accommodating space, and first accommodating space is formed In the lower half of the shell, second accommodating space is formed in the upper half of the shell, and the shielding cavity is surround Second accommodating space, the pre-collimated body and shield door are housed in first accommodating space, rotation load source body, Shielding stick, source body are housed in second accommodating space.
6. conformal modulating radiotherapy device according to claim 4, which is characterized in that offered on the bottom surface of the lower half One through-hole, the collimating aperture of shield door and the pre-collimated body described in the through-hole alignment, the multi-diaphragm collimator are arranged in institute State through-hole two sides.
7. conformal modulating radiotherapy device according to claim 4, which is characterized in that the lower half in a rectangular parallelepiped shape, institute It is substantially in a circular table shape to state the upper half.
8. conformal modulating radiotherapy device according to claim 4, which is characterized in that first driving portion is fixed on described The opening side of second accommodating space.
9. conformal modulating radiotherapy device according to claim 1, which is characterized in that the multi-diaphragm collimator and a third are driven Dynamic portion's transmission connection, and conformal adjustment is carried out under the driving of the third driving portion.
10. a kind of conformal modulating radiotherapy system, including roller rack and at least one such as any one of claim 1~9 institute The conformal modulating radiotherapy device stated, the conformal modulating radiotherapy device are arranged in roller rack and can follow the roller machine The shell of frame rotation, the conformal modulating radiotherapy device is relatively set with two interconnecting pieces, the interconnecting piece and the roller outside Housing slide connection, enables the conformal modulating radiotherapy device to move in the central axial direction of the roller rack.
CN201810764384.2A 2015-08-27 2015-08-27 Intensity modulated radiotherapy device Active CN109107053B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810764384.2A CN109107053B (en) 2015-08-27 2015-08-27 Intensity modulated radiotherapy device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810764384.2A CN109107053B (en) 2015-08-27 2015-08-27 Intensity modulated radiotherapy device
CN201510536246.5A CN105031832B (en) 2015-08-27 2015-08-27 Conformal modulating radiotherapy device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201510536246.5A Division CN105031832B (en) 2015-08-27 2015-08-27 Conformal modulating radiotherapy device

Publications (2)

Publication Number Publication Date
CN109107053A true CN109107053A (en) 2019-01-01
CN109107053B CN109107053B (en) 2020-09-08

Family

ID=54439174

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201510536246.5A Active CN105031832B (en) 2015-08-27 2015-08-27 Conformal modulating radiotherapy device
CN201810764384.2A Active CN109107053B (en) 2015-08-27 2015-08-27 Intensity modulated radiotherapy device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201510536246.5A Active CN105031832B (en) 2015-08-27 2015-08-27 Conformal modulating radiotherapy device

Country Status (2)

Country Link
CN (2) CN105031832B (en)
WO (1) WO2017032345A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105031832B (en) * 2015-08-27 2018-08-21 西安大医集团有限公司 Conformal modulating radiotherapy device
WO2018191852A1 (en) * 2017-04-17 2018-10-25 西安大医数码技术有限公司 Source removing and introducing tooling, smart cart and source removing and introducing system
CN107837465B (en) * 2017-11-21 2024-05-14 西安大医集团股份有限公司 Source guiding device and system
CN107890612A (en) * 2017-12-05 2018-04-10 西安大医数码科技有限公司 One kind focuses on radiotheraphy device and equipment
CN108478942A (en) * 2018-05-10 2018-09-04 江南大学附属医院 A kind of oncology radiotherapeutic positioning device
CN111714791B (en) * 2020-06-19 2022-06-03 新里程医用加速器(无锡)有限公司 Radiotherapy device
CN113813514A (en) * 2020-06-19 2021-12-21 西安大医集团股份有限公司 Source guiding assembly
WO2022121926A1 (en) * 2020-12-09 2022-06-16 西安大医集团股份有限公司 Source turn-off device and treatment head
US11698351B1 (en) 2022-07-29 2023-07-11 King Abdulaziz University Gamma radiography system and method of using a gamma radiography system

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588031A (en) * 1969-01-24 1971-06-28 Gen Electric Internally shielded teletherapy source
EP0810006A2 (en) * 1993-06-09 1997-12-03 Wisconsin Alumni Research Foundation Radiation therapy system
CN1520899A (en) * 2003-01-30 2004-08-18 武汉康桥医学新技术有限公司 Directional intensity ajustable radiation therapy apparatus
CN1586670A (en) * 2004-09-15 2005-03-02 杭州华源伽玛医疗设备投资有限公司 Rotary closing type gamma ray radiator
CN101755309A (en) * 2007-05-24 2010-06-23 伊利克塔股份有限公司 Be used for radiocurable collimation instrument
CN103096974A (en) * 2010-08-23 2013-05-08 瓦里安医疗系统公司 Multileaf collimators with transverse motion
CN203647890U (en) * 2013-12-25 2014-06-18 深圳市奥沃医学新技术发展有限公司 A local switch source apparatus used for a multi-source radiotherapy device
CN203659451U (en) * 2013-12-05 2014-06-18 北京大基康明医疗设备有限公司 Double-focusing multi-leaf collimator
CN104784831A (en) * 2015-04-21 2015-07-22 苏州爱因智能设备有限公司 Full-trajectory radiotherapy equipment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000066223A1 (en) * 1999-05-03 2000-11-09 Franz Krispel Rotating stereotactic treatment system
CN1785456A (en) * 2004-12-09 2006-06-14 深圳市益普生医疗设备发展有限公司 Method of reducing cobalt-bo machine geometric half image
CN2910260Y (en) * 2006-06-02 2007-06-13 珠海市和佳医疗设备有限公司 Radioactive source controller
WO2014131175A1 (en) * 2013-02-28 2014-09-04 深圳市奥沃医学新技术发展有限公司 Pull rod apparatus capable of implementing movement of source body and radiation apparatus of the pull rod apparatus
CN105031832B (en) * 2015-08-27 2018-08-21 西安大医集团有限公司 Conformal modulating radiotherapy device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588031A (en) * 1969-01-24 1971-06-28 Gen Electric Internally shielded teletherapy source
EP0810006A2 (en) * 1993-06-09 1997-12-03 Wisconsin Alumni Research Foundation Radiation therapy system
CN1520899A (en) * 2003-01-30 2004-08-18 武汉康桥医学新技术有限公司 Directional intensity ajustable radiation therapy apparatus
CN1586670A (en) * 2004-09-15 2005-03-02 杭州华源伽玛医疗设备投资有限公司 Rotary closing type gamma ray radiator
CN101755309A (en) * 2007-05-24 2010-06-23 伊利克塔股份有限公司 Be used for radiocurable collimation instrument
CN103096974A (en) * 2010-08-23 2013-05-08 瓦里安医疗系统公司 Multileaf collimators with transverse motion
CN203659451U (en) * 2013-12-05 2014-06-18 北京大基康明医疗设备有限公司 Double-focusing multi-leaf collimator
CN203647890U (en) * 2013-12-25 2014-06-18 深圳市奥沃医学新技术发展有限公司 A local switch source apparatus used for a multi-source radiotherapy device
CN104784831A (en) * 2015-04-21 2015-07-22 苏州爱因智能设备有限公司 Full-trajectory radiotherapy equipment

Also Published As

Publication number Publication date
CN109107053B (en) 2020-09-08
WO2017032345A1 (en) 2017-03-02
CN105031832B (en) 2018-08-21
CN105031832A (en) 2015-11-11

Similar Documents

Publication Publication Date Title
CN105031832B (en) Conformal modulating radiotherapy device
US8613694B2 (en) Method for biological modulation of radiation therapy
EP3064252B1 (en) Multipurpose radiotherapy system
US7826593B2 (en) Collimator
EP0556874B1 (en) Method of operating a multileaf collimator and compensator for radiotherapy machines
US20070221869A1 (en) Radiotherapy apparatus
EP2651512A2 (en) Therapeutic apparatus comprising a radiotherapy apparatus, a mechanical positioning system, and a magnetic resonance imaging system
US10188878B2 (en) Small beam area, mid-voltage radiotherapy system with reduced skin dose, reduced scatter around the treatment volume, and improved overall accuracy
US20150352373A1 (en) An apparatus to deliver conformal radiotherapy using external beam cobalt 60
Kim et al. The physics of stereotactic radiosurgery
JP3079346B2 (en) 3D particle beam irradiation equipment
CN109011218A (en) Load source body, radiotherapy apparatus and its control driving method
EP4373571A1 (en) Toroidal gantry for a particle therapy system
EP3482401A1 (en) Radiation delivery devices and applications thereof
TWI818633B (en) Particle therapy system including gantry having a retractable cover
CN107854780A (en) Manned rotation cabin device
CN215961845U (en) Radiotherapy apparatus
CN218871080U (en) Radiotherapy apparatus
US20230001237A1 (en) Monitor for a radiotherapy device
WO2020078364A1 (en) Apparatus for treating tumors
KR20230102905A (en) Device for topical irradiation
CN111068191A (en) Radiotherapy system
Loughery Kilovoltage Intensity Modulated Radiotherapy
CN116899126A (en) Radiation therapy head
TW202310892A (en) Toroidal gantry for a particle therapy system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 710000 Unit 1, Unit 3, Room 10301, Building 28, Pioneer International City Business Center, 66 Fengcheng 12 Road, Xi'an Economic and Technological Development Zone, Shaanxi Province

Applicant after: Xi'an Dayi Group Co.,Ltd.

Address before: 710000 Unit 1, 3 Floors, Building 28, International City Business Center, 66 Fengcheng Road, Jingkai District, Xi'an City, Shaanxi Province

Applicant before: CYBERMED RADIOTHERAPY TECHNOLOGIES Co.,Ltd.

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Conformal Intensity Modulated Radiation Therapy

Effective date of registration: 20220818

Granted publication date: 20200908

Pledgee: Xi'an investment and financing Company limited by guarantee

Pledgor: Xi'an Dayi Group Co.,Ltd.

Registration number: Y2022610000505

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20231205

Granted publication date: 20200908

Pledgee: Xi'an investment and financing Company limited by guarantee

Pledgor: Xi'an Dayi Group Co.,Ltd.

Registration number: Y2022610000505

PC01 Cancellation of the registration of the contract for pledge of patent right