CN104971442A - Image-guided radiation treatment device - Google Patents

Image-guided radiation treatment device Download PDF

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Publication number
CN104971442A
CN104971442A CN201510006089.7A CN201510006089A CN104971442A CN 104971442 A CN104971442 A CN 104971442A CN 201510006089 A CN201510006089 A CN 201510006089A CN 104971442 A CN104971442 A CN 104971442A
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China
Prior art keywords
slip ring
image
radiotherapy unit
radiotherapy
radiographic source
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Pending
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CN201510006089.7A
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Chinese (zh)
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吴开东
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Individual
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Individual
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Priority to CN201510006089.7A priority Critical patent/CN104971442A/en
Publication of CN104971442A publication Critical patent/CN104971442A/en
Pending legal-status Critical Current

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  • Apparatus For Radiation Diagnosis (AREA)

Abstract

The invention discloses an image-guided radiation treatment device. The image-guided radiation treatment device comprises a radiation treatment equipment body and a treatment couch which is installed at one side of the radiation treatment equipment body. The treatment couch is transmitted into the radiation treatment equipment body in treatment. The radiation treatment equipment body further comprises a slip ring machine frame mechanism, and a radiation treatment device and a CT scanner which are installed in the slip ring machine frame mechanism. The CT scanner is installed on the treatment device. The CT scanner acts as an X-ray image monitor so that real-time positioning of a ray focus and a tumor target region can be realized, real-time tracking is realized, the radiation treatment equipment provided with the X-ray image monitor can perform 360-degree rapid scanning treatment, and thus a two-dimensional image can be extracted and change of the target lesion can be displayed in real time.

Description

A kind of image-guided under radiotherapy unit
Technical field
The invention belongs to technical field of medical instruments, particularly relate to a kind of image-guided under radiotherapy unit.
Background technology
Well-known radiotherapy is one of most important, the most basic means of oncotherapy, and at present, the capital equipment of tumour radiotherapy is linear accelerator, cobalt-60 therapy machine and gamma knife.But due to tumor tissues hold by normal structure, normal tissue can be damaged while killing tumor.In addition how to eliminate in radiotherapy organ by the impact of physiological movement, as increase and the reduction of respiratory movement, filling of bladder, enterogastric peristalsis, tumor, and the elastic deformation of organ, Set-up errors etc. in interval procedure, make it accurately to locate.Over the course for the treatment of, the focus of ray and the real-time positioning of tumor target, real-time tracking cannot be accomplished, thus directly has influence on the effect of oncotherapy.
Existing cobalt-60 therapy machine and gamma knife, because the restriction in structure and treatment space cannot install X ray image monitor (Digital Radiography, DR).Existing on external accelerator X ray image monitor is installed, but due to accelerator over the course for the treatment of, can not implement 360 ° of rapid scannings treatments, the bidimensional image that therefore x-ray penetrates video monitor cannot extract, and cannot show the change of focus target area in real time.
Summary of the invention
The object of the present invention is to provide a kind of image-guided under radiotherapy unit, be intended to solve the problem existing gamma ray radiation therapeutic device cannot installed x-ray and penetrate video monitor or 360 ° of rapid scannings treatments can not be implemented.
The present invention realizes like this, a kind of image-guided under radiotherapy unit, radiotherapy unit under this is image-guided comprises radiotherapy equipment main body and is arranged on the therapeutic bed of side of radiotherapy equipment main body, and therapeutic bed is sent in radiotherapy equipment main body when treating; Radiotherapy equipment main body comprises further: slip ring frame structure, and the radiotherapy unit be arranged in slip ring frame structure and CT scanner.
Further, slip ring rack construction comprises support, and is arranged on the external shielding body of the column on support; Be provided with coaxial outer rotation slip ring and interior rotation slip ring in external shielding body from outside to inside successively, interior rotation slip ring is nested in outer rotation slip ring, and outer rotation slip ring and interior rotation slip ring are arranged on external shielding body by swivel becket bearing; External shielding body is also provided with the transporter for transmitting therapeutic bed along the axis direction of outer rotation slip ring.
Further, radiotherapy unit comprises radiographic source body, and radiographic source body is arranged on outer rotation slip ring, and the radiographic source channel alignment common point of radiographic source body, common point overlaps with the center of rotation of outer rotation slip ring.
Further, interior rotation slip ring lower inside is provided with the shielding slab for shielding described radiographic source body when non-treatment.
Further, radiographic source body is linear accelerator, and radiotherapy unit also comprises the automatic multi-diaphragm collimator be arranged on interior rotation slip ring.
Further, radiographic source body is Co 60 isotope, and radiotherapy unit also comprises the tungsten alloy taper hole collimator be arranged on interior rotation slip ring.
Further, CT scanner comprises X-ray bulb, X-ray detector, and X-ray bulb and X-ray detector are arranged on outer rotation slip ring, and the line of X-ray bulb and X-ray detector passes through common point.
Further, X-ray bulb and X-ray detector are arranged respectively to lead and lag radiographic source body 90 °.
Further, slip ring rack construction is the anglec of rotation 0 ° ~ 360 ° when treating, and rotary speed is 1 ~ 6 rate of transformation per minute.
Provided by the invention image-guided under radiotherapy unit, on a treatment apparatus CT scanner is installed, this CT scanner penetrates video monitor as X-ray, achieve the focus of ray and the real-time positioning of tumor target, accomplish real-time tracking, the rapid scanning treatment that radiotherapy equipment that X-ray penetrates video monitor can implement 360 ° is installed, thus the change of bidimensional image and display focus target area in real time can have been extracted.
Accompanying drawing explanation
Fig. 1 be the embodiment of the present invention provide image-guided under radiation therapy apparatus structure schematic diagram;
Fig. 2 is A-A directional profile enlarged drawing in Fig. 1 of providing of the embodiment of the present invention;
Fig. 3 be the embodiment of the present invention provide image-guided under the engineering design plan (EDP) front view of radiotherapy equipment;
Fig. 4 is B-B directional profile enlarged drawing in Fig. 3 of providing of the embodiment of the present invention.
In figure: 1, external shielding body; 2, swivel becket bearing; 3, common point; 4, therapeutic bed; 5, X-ray bulb; 6, radiographic source body; 7, outer rotation slip ring; 8, interior rotation slip ring; 9, X-ray detector; 10, support; 11, actuating device; 12, shielding slab.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with drawings and the specific embodiments, application principle of the present invention is further described.
As shown in Figure 1, the embodiment of the present invention image-guided under radiotherapy unit mainly comprise: external shielding body 1, swivel becket bearing 2, common point 3, therapeutic bed 4, X-ray bulb 5, radiographic source body 6, outer rotation slip ring 7, interior rotation slip ring 8, X-ray detector 9, support 10, actuating device 11, shielding slab 12;
Comprise radiotherapy equipment main body and be arranged on the therapeutic bed 4 of side of described radiotherapy equipment main body, therapeutic bed 4 is three-dimensional motion therapeutic bed, is sent in described radiotherapy equipment main body when treating; Radiotherapy equipment main body comprises further: slip ring frame structure, and the radiotherapy unit be arranged in described slip ring frame structure and CT scanner.Radiotherapy unit comprises radiographic source body 6.CT scanner comprises X-ray bulb 5 and X-ray detector 9 and electronics, electric elements, and CT scanner can penetrate video monitor as X-ray, implements the rapid scanning of 360 °.
Slip ring rack construction is an external diameter about 2.0 meters, internal diameter about 0.8 meter, and the approximate circle cylinder that width is about 1.2 meters is made up of external shielding body 1, swivel becket bearing 2, outer rotation slip ring 7, interior rotation slip ring 8, support 10, actuating device 11.
Rotate outside on slip ring 7 and load radiographic source body 6, radiographic source body 6 can be linear accelerator also can be Co 60 isotope, and linear accelerator produces X-ray, and Co 60 isotope produces gamma-rays.The shape of radiographic source body 6 and size TV structure and determine, but no matter radiographic source body 6 is any body, and one or more radiographic source passage must aim at a common point 3.As radiographic source body 6 uses linear accelerator, interior rotation slip ring 8 then installs automatic multi-diaphragm collimator, as radiographic source body 6 uses Co 60 isotope, interior rotation slip ring 8 is then installed tungsten alloy taper hole collimator.Shielding slab 12 is arranged on interior rotation slip ring 8 lower inside, for the shielding radiographic source body 6 when non-treatment.Rotate the radiographic source body 6 lead and lag 90 ° place on slip ring 7 outside, X-ray bulb 5 and X-ray detector 9 and electronics, electric elements are installed respectively, X-ray bulb 5 and X-ray detector 9 and electronics, electric elements formation CT scanner.Transporter 11 is arranged on slip ring rack construction side, transmits therapeutic bed 4 for the axis direction along outer rotation slip ring 7.
The anglec of rotation of slip ring rack construction is more than 360 °, and rotary speed is 1 ~ 6 turn of variable velocity per minute, and center of rotation is common point 3.
Therapeutic bed 4 width about 500 millimeters, therapeutic bed location adopts low temperature thermoplastic film.During treatment, therapeutic bed 4 stroke is in three directions respectively ± 125 millimeters, ± 100 millimeters and ± 1650 millimeters, the external shield stroke of external shielding body axis direction is 1250 millimeters.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. one kind image-guided under radiotherapy unit, it is characterized in that, radiotherapy unit under this is image-guided comprises radiotherapy equipment main body and is arranged on the therapeutic bed of side of radiotherapy equipment main body, and therapeutic bed is sent in radiotherapy equipment main body when treating; Radiotherapy equipment main body comprises further: slip ring frame structure, and the radiotherapy unit be arranged in slip ring frame structure and CT scanner.
2. as claimed in claim 1 image-guided under radiotherapy unit, it is characterized in that, slip ring rack construction comprises support, and is arranged on the external shielding body of the column on support; Be provided with coaxial outer rotation slip ring and interior rotation slip ring in external shielding body from outside to inside successively, interior rotation slip ring is nested in outer rotation slip ring, and outer rotation slip ring and interior rotation slip ring are arranged on external shielding body by swivel becket bearing; External shielding body is also provided with the transporter for transmitting therapeutic bed along the axis direction of outer rotation slip ring.
3. as claimed in claim 2 image-guided under radiotherapy unit, it is characterized in that, radiotherapy unit comprises radiographic source body, and radiographic source body is arranged on outer rotation slip ring, the radiographic source channel alignment common point of radiographic source body, common point overlaps with the center of rotation of outer rotation slip ring.
4. as claimed in claim 2 image-guided under radiotherapy unit, it is characterized in that, interior rotation slip ring lower inside is provided with the shielding slab for shielding described radiographic source body when non-treatment.
5. as claimed in claim 3 image-guided under radiotherapy unit, it is characterized in that, radiographic source body is linear accelerator, and radiotherapy unit also comprises the automatic multi-diaphragm collimator be arranged on interior rotation slip ring.
6. as claimed in claim 3 image-guided under radiotherapy unit, it is characterized in that, radiographic source body is Co 60 isotope, and radiotherapy unit also comprises the tungsten alloy taper hole collimator be arranged on interior rotation slip ring.
7. as claimed in claim 1 image-guided under radiotherapy unit, it is characterized in that, CT scanner comprises X-ray bulb, X-ray detector, and X-ray bulb and X-ray detector are arranged on outer rotation slip ring, and the line of X-ray bulb and X-ray detector passes through common point.
8. as claimed in claim 7 image-guided under radiotherapy unit, it is characterized in that, X-ray bulb and X-ray detector are arranged respectively to lead and lag radiographic source body 90 °.
9. as claimed in claim 1 image-guided under radiotherapy unit, it is characterized in that, slip ring rack construction treat time the anglec of rotation 0 ° ~ 360 °, rotary speed is 1 ~ 6 rate of transformation per minute.
CN201510006089.7A 2015-01-07 2015-01-07 Image-guided radiation treatment device Pending CN104971442A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510006089.7A CN104971442A (en) 2015-01-07 2015-01-07 Image-guided radiation treatment device

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Application Number Priority Date Filing Date Title
CN201510006089.7A CN104971442A (en) 2015-01-07 2015-01-07 Image-guided radiation treatment device

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106730408A (en) * 2016-11-17 2017-05-31 中国科学院深圳先进技术研究院 Radiotherapy unit
CN111298307A (en) * 2020-04-15 2020-06-19 谷昌德 Medical radiation assembly for tumor treatment
CN111298308A (en) * 2020-04-15 2020-06-19 谷昌德 Medical equipment for radiotherapy
CN111629781A (en) * 2018-01-11 2020-09-04 上海联影医疗科技有限公司 CT imaging system and method in image-guided radiation therapy
CN113509651A (en) * 2021-07-21 2021-10-19 苏州雷泰医疗科技有限公司 Linear accelerator with energy spectrum CT function, control method and storage medium
WO2023051392A1 (en) * 2021-09-29 2023-04-06 翰斯泰医疗科技(苏州)有限公司 Ct image-guided radiotherapy device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106730408A (en) * 2016-11-17 2017-05-31 中国科学院深圳先进技术研究院 Radiotherapy unit
CN106730408B (en) * 2016-11-17 2020-02-14 中国科学院深圳先进技术研究院 Radiotherapy device
CN111629781A (en) * 2018-01-11 2020-09-04 上海联影医疗科技有限公司 CT imaging system and method in image-guided radiation therapy
US11395928B2 (en) 2018-01-11 2022-07-26 Shanghai United Imaging Healthcare Co. Ltd. Systems and methods for CT imaging in image-guided radiotherapy
US11911633B2 (en) 2018-01-11 2024-02-27 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for CT imaging in image-guided radiotherapy
CN111298307A (en) * 2020-04-15 2020-06-19 谷昌德 Medical radiation assembly for tumor treatment
CN111298308A (en) * 2020-04-15 2020-06-19 谷昌德 Medical equipment for radiotherapy
CN113509651A (en) * 2021-07-21 2021-10-19 苏州雷泰医疗科技有限公司 Linear accelerator with energy spectrum CT function, control method and storage medium
WO2023051392A1 (en) * 2021-09-29 2023-04-06 翰斯泰医疗科技(苏州)有限公司 Ct image-guided radiotherapy device

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