WO2018090267A1 - Radiation therapy device - Google Patents
Radiation therapy device Download PDFInfo
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- WO2018090267A1 WO2018090267A1 PCT/CN2016/106177 CN2016106177W WO2018090267A1 WO 2018090267 A1 WO2018090267 A1 WO 2018090267A1 CN 2016106177 W CN2016106177 W CN 2016106177W WO 2018090267 A1 WO2018090267 A1 WO 2018090267A1
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- bracket
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- moving mechanism
- swinging
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- 238000001959 radiotherapy Methods 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 76
- 230000005855 radiation Effects 0.000 claims abstract description 69
- 230000002285 radioactive effect Effects 0.000 claims description 3
- 206010028980 Neoplasm Diseases 0.000 abstract description 7
- 201000011510 cancer Diseases 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
Definitions
- the present invention relates to the field of medical device technology, and in particular to a radiation therapy device.
- Radiation therapy has become an important means of treating tumors. It uses radiation to enter the body and ionize cells in the body. Ions generated by ionization can erode complex organic molecules such as proteins, nucleic acids and enzymes, leading to normal chemistry in the human body. The process is disturbed and the dose of radiation is large enough to cause the cell to die.
- the radioactive source when the radiotherapy is performed, can only perform local radiotherapy on the cancer cells in a two-dimensional plane, so that the healthy cells in the target area also receive a large amount of rays at the same time and cause a large Physical damage.
- a technical problem that is mainly solved by embodiments of the present invention is to provide a radiation therapy apparatus that improves the efficiency of radiation therapy and reduces physical damage to a patient.
- a technical solution adopted by the embodiment of the present invention is to provide a radiotherapy apparatus, comprising: a fixing bracket, a rotating bracket, a moving mechanism, a swinging mechanism and a radiation source, wherein the rotating bracket is a hollow cylindrical shape;
- the rotating bracket is rotatably disposed on the fixing bracket, the moving mechanism is disposed on an inner wall of the rotating bracket, and the radiation source is disposed on the moving mechanism through the swinging mechanism;
- the rotating bracket is configured to drive the moving mechanism to rotate relative to the fixing bracket; the moving mechanism is configured to drive the swinging mechanism and the radiation source to move linearly; and the swinging mechanism is configured to drive the radiation source to rotate.
- the fixing bracket is provided with a mounting hole, the mounting hole has a central shaft, the rotating bracket is rotatably disposed in the mounting hole, and the rotating shaft of the rotating bracket is The center axes of the mounting holes coincide.
- the moving mechanism includes a rail and a slider slidably disposed on the rail, the rail is fixedly disposed on an inner wall of the rotating bracket, and the rail is along the rotating bracket Busbar direction setting.
- the swinging mechanism includes a swinging shaft and a swinging arm disposed rotatably about the swinging shaft, the swinging shaft is fixedly disposed on the slider, and the radiation source is fixedly disposed on the swinging arm on.
- the radiotherapy apparatus further includes a second moving mechanism disposed between the fixing bracket and the rotating bracket for driving the rotating bracket relative to the fixing The bracket moves in a straight line.
- the radiation therapy apparatus further includes a connection bracket, the connection bracket is a hollow cylinder, the rotation bracket is disposed in the connection bracket, and the rotation bracket is rotatable relative to the connection bracket
- the connecting bracket is connected to the fixing bracket by the second moving mechanism, The second moving mechanism is configured to drive the connecting bracket to move linearly relative to the fixing bracket.
- the present invention also provides a radiation therapy apparatus comprising: a fixing bracket, a connecting bracket, a rotating bracket, a moving mechanism, a swinging mechanism and a radiation source, the rotating bracket is a hollow cylindrical shape; the moving mechanism is disposed on the fixing bracket and the Between the connecting brackets, the rotating bracket is rotatably disposed on the connecting bracket, and the radiation source is disposed on the inner wall of the rotating bracket through the swinging mechanism;
- the moving mechanism is configured to drive the connecting bracket to move linearly relative to the fixing bracket; the rotating bracket is configured to drive the swinging mechanism to rotate relative to the connecting bracket; and the swinging mechanism is configured to drive the radiation source to rotate.
- the fixing bracket is provided with a mounting hole, the mounting hole has a central shaft, and the rotating bracket is disposed in the mounting hole through the connecting bracket, and the rotating shaft of the rotating bracket is The central axes of the mounting holes coincide.
- the moving mechanism includes a rail and a slider slidably disposed on the rail, the rail is fixedly disposed on an inner wall of the fixing bracket, and the rail is parallel to the fixing
- the mounting hole of the bracket is disposed in a central axis direction, and the slider and the connecting bracket are fixedly connected.
- the swinging mechanism includes a swinging shaft and a swinging arm rotatably disposed around the swinging shaft, the swinging shaft is fixedly disposed on an inner wall of the rotating bracket, and the radiation source is fixedly disposed on the Swing on the arm.
- the beneficial effects of the embodiments of the present invention are: in the radiation therapy apparatus of the embodiment of the present invention, the incident angle of the radiation emitted by the radiation source on a plane perpendicular to the rotation axis of the rotating support can be adjusted, along a line parallel to the rotation axis of the rotating support.
- the surrounding healthy cells can share the radiotherapy damage, thereby avoiding the killing of healthy cells by local concentrated radiotherapy, that is, reducing the physical damage to the patient.
- FIG. 1 is a schematic perspective view showing a radiotherapy apparatus according to an embodiment.
- FIG. 2 is a schematic perspective view of a rotary bracket according to an embodiment.
- FIG. 3 is a schematic perspective view showing a moving mechanism, a swinging mechanism, and a radiation source according to an embodiment.
- a radiotherapy apparatus 100 includes a base 10 and a fixing bracket. 20.
- the fixing bracket 20 is fixedly disposed on the base 10, and the base 10 is fixedly disposed on the ground.
- the fixing bracket 20 is substantially in the shape of an arched door.
- the fixing bracket 20 is provided with a mounting hole 21.
- the mounting hole 21 is circular and the central axis of the mounting hole 21 is parallel to the ground.
- the radiotherapy apparatus 100 may not include the base 10, and the fixing bracket 20 is directly fixedly disposed on the ground.
- the rotating bracket 30 is substantially hollow cylindrical, the rotating bracket 30 is disposed in the mounting hole 21 of the fixing bracket 20, and the rotating bracket 30 is rotatable around the central axis of the mounting hole 21, that is, the rotating shaft of the rotating bracket 30 and The central axes of the mounting holes 21 are coincidently disposed.
- the rotating bracket 30 and the fixed bracket 20 are connected by a rotating bearing, so that the rotating bracket 30 can rotate relative to the fixed bracket 20.
- the moving mechanism 40 includes a guide rail 41 and a slider 42.
- the guide rails 41 are fixedly disposed on the inner wall of the rotary bracket 30, and the extending direction of the guide rails 41 is disposed in a direction parallel to the rotation axis of the rotary bracket 30, that is, the guide rails 41 are disposed along the direction of the bus bar of the rotary bracket 30.
- the slider 42 is slidably disposed on the guide rail 41, that is, the slider 42 is linearly movable relative to the rotary bracket 30 in a direction parallel to the rotational axis of the rotary bracket 30.
- the guide rail 41 is integrally formed with the rotating bracket 30, thereby ensuring the accuracy of the moving direction of the slider 42.
- the guide rail 41 may not be integrally formed with the rotating bracket 30.
- the guide rail 41 may be embedded in the inner wall of the rotating bracket 30, or the guide rail 41 may be welded to the inner wall of the rotating bracket 30.
- the swinging mechanism 50 includes a swinging shaft (not shown) and a swinging arm 51 disposed to rotate about the swinging shaft.
- the swing shaft is fixedly disposed on the slider 42 , and the central axis of the swing shaft is perpendicular to the extending direction of the guide rail 41 , that is, the central axis of the swing shaft and the rotating bracket 30 .
- the axis of rotation is vertical.
- the swing arm 51 is rotatably disposed on the swing shaft about the swing shaft, that is, the plane of rotation of the swing arm 51 is perpendicular to the center axis of the swing shaft.
- the swing shaft is integrally formed with the slider 42 to ensure the accuracy of the swing axis perpendicular to the guide rail 41, thereby ensuring the rotation accuracy of the swing arm 51.
- the swing shaft may not be integrally formed with the slider 42 .
- the swing shaft may be engaged with the slider 42 , or the swing shaft may be welded to the slider 42 .
- the radiation source 60 is fixedly disposed at one end of the swing arm 51 toward the rotation shaft of the rotating bracket 30, and the radiation emitted from the radiation source 60 intersects the rotation axis of the rotating bracket 30.
- the source 60 is a linear accelerator.
- the rotating bracket 30 drives the radiation source 60 to rotate about the rotation axis of the rotating bracket 30, thereby realizing the incident clip of the radiation emitted from the radiation source 60 on a plane perpendicular to the rotation axis of the rotating bracket 30.
- the moving mechanism 40 drives the radiation source 60 to move linearly along the direction of the bus bar of the rotating bracket 30, thereby realizing that the radiation emitted by the radiation source 60 moves in a direction parallel to the straight line of the rotating shaft of the rotating bracket 30;
- the swinging mechanism 50 drives The radiation source 60 is swung about the swing axis, and the radiation source 60 is mounted at an angle that maintains its direction against the rotation axis of the rotary holder 30, thereby effecting the swing of the radiation emitted from the radiation source 60 on the plane of rotation of the rotary holder 30 and the plane on which the guide rail is located.
- the incident angle of the radiation emitted from the radiation source 60 on the plane perpendicular to the rotational axis of the rotary holder 30 can be adjusted, along a line parallel to the rotational axis of the rotary holder 30.
- the efficiency of the treatment; moreover, the radiotherapy apparatus 100 can obtain the target cell as a cone point by adjusting the orientation of the radiation emitted by the radiation source 60.
- the cone-shaped radiation domain thereby achieving multi-directional radiation therapy for the cells in the target region, the radiation emitted by the radiation source 60 kills the cancer cells, and at the same time, the cone-shaped radiation domain enables the healthy cells around the cancer cells to share the radiation damage, thereby avoiding the local Centralized radiation therapy causes healthy cells to be killed, that is, reduces physical damage to the patient.
- the moving mechanism 40 may not be disposed on the inner wall of the rotating bracket 30.
- the moving mechanism 40 is disposed between the rotating bracket 30 and the fixing bracket 20, so that the rotating bracket 30 can be relatively fixed.
- the bracket 20 is rotating, it is also possible to linearly move in a direction parallel to the rotation axis of the rotating bracket 30 with respect to the fixed bracket 20.
- a connecting bracket (not shown) is further disposed between the fixing bracket 20 and the rotating bracket 30.
- the connecting bracket is also a hollow cylindrical shape, and the rotating bracket 30 is connected to the rotating bearing. The brackets are coupled such that the swivel bracket 30 can be rotated relative to the connecting bracket.
- the connecting bracket is connected to the fixing bracket 20 by the moving mechanism 40.
- the number of the moving mechanisms 40 may be multiple, so that the connecting bracket can drive the rotating bracket 30 relative to the fixing bracket 20 along the rotating shaft direction of the rotating bracket 30. Make a straight line move.
- the guide rail of the moving mechanism 40 is fixedly disposed on the inner wall of the fixing bracket 30, and the guide rail is disposed along a central axis direction parallel to the mounting hole 21 of the fixing bracket 30, and the slider and the connecting bracket are fixedly connected.
- the swing shaft of the swing mechanism 50 is fixedly disposed on the inner wall of the rotating bracket 30, and the radiation source 60 is fixedly disposed on the swing arm.
- the radiotherapy apparatus can further include a second moving mechanism (not shown), the moving mechanism 40 is still disposed on the inner wall of the rotating bracket 30, and the second moving mechanism is disposed on the rotating Between the bracket 30 and the fixed bracket 20, the second moving mechanism is configured to drive the rotating bracket 30 to move linearly relative to the fixed bracket 20 in a direction parallel to the rotation axis of the rotating bracket 30, and the moving mechanism 40 cooperates with the second moving mechanism Thereby widening the distance that the radiation source 60 moves linearly along the rotation axis of the rotating support 30, further increasing the radiation source 60 of the radiation therapy apparatus 100 The range of adjustment of the emitted rays.
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Abstract
A radiation therapy device (100) includes a fixed support (20), a rotating support (30), a moving mechanism (40), a rotating mechanism (50), and a radiation source (60). The rotation support (30) is in a hollow cylinder shape and can be rotated and installed on the fixed support (20), and the moving mechanism (40) is installed on the inner wall of the rotation support (30). The radiation source (60) is mounted on the moving mechanism (40) by means of the rotating mechanism (50). The rotation support (30) drives the moving mechanism (40) to rotate relative to the fixed support (20). The moving mechanism (40) drives the rotating mechanism (50) and the radiation source (60) to move linearly. The rotating mechanism (50) drives the radiation source (60) to rotate. The radiation therapy device (100) can position rays from the radiation source with more speed, flexibility, and accuracy, increasing the efficiency of radiation therapy. Moreover, the radiation source (60) can realize movement with three degrees of freedom, such that a cone-shaped radiation region can be used in radiation therapy, enabling distribution of radiation therapy damage caused to healthy cells surrounding the cancer cells, reducing harm to patients.
Description
本发明涉及医疗器械技术领域，尤其是涉及一种放射治疗装置。The present invention relates to the field of medical device technology, and in particular to a radiation therapy device.
放射治疗已经成为***的重要手段，其利用射线进入到人体的内部，与体内细胞发生电离作用，电离产生的离子能侵蚀复杂的有机分子，如蛋白质、核酸和酶，导致人体内的正常化学过程受到干扰，射线的剂量足够大时，便可以使细胞死亡。Radiation therapy has become an important means of treating tumors. It uses radiation to enter the body and ionize cells in the body. Ions generated by ionization can erode complex organic molecules such as proteins, nucleic acids and enzymes, leading to normal chemistry in the human body. The process is disturbed and the dose of radiation is large enough to cause the cell to die.
随着医疗技术发展越来越好，放射治疗装置的适应性也越来越广，可以对头部、颈部、胸部、腹部等人体各部位进行放射治疗。然而，目前的放射治疗过程中，由于放射治疗装置的放射源只能在二维平面内沿固定的方向转动，因此，需要对治疗床进行上下、左右、前后调整直至合适位置，以使靶区处于放射源发出的射线区域，从而导致放射治疗过程中，调整时间较长和位置精确度低，降低了治疗效率。而且，现有的放射治疗装置在进行放射治疗时，放射源只能在二维平面对癌细胞进行局部放疗，从而导致靶区的健康细胞也同时接收到大量的射线而对病人造成较大的身体损伤。With the development of medical technology, the adaptability of radiotherapy devices is becoming wider and wider, and radiation treatment can be performed on various parts of the human body such as the head, neck, chest, and abdomen. However, in the current radiotherapy treatment, since the radioactive source of the radiotherapy apparatus can only rotate in a fixed direction in a two-dimensional plane, it is necessary to adjust the treatment bed up, down, left and right, and back and forth to a suitable position to make the target area. In the area of the radiation emitted by the source of radiation, resulting in longer adjustment time and lower position accuracy during radiotherapy, reducing treatment efficiency. Moreover, in the conventional radiotherapy apparatus, when the radiotherapy is performed, the radioactive source can only perform local radiotherapy on the cancer cells in a two-dimensional plane, so that the healthy cells in the target area also receive a large amount of rays at the same time and cause a large Physical damage.
发明内容Summary of the invention
本发明实施方式主要解决的技术问题是提供一种放射治疗装置，所述放射治疗装置提高了放射治疗效率，而且减少了对病人造成的身体损伤。
A technical problem that is mainly solved by embodiments of the present invention is to provide a radiation therapy apparatus that improves the efficiency of radiation therapy and reduces physical damage to a patient.
为解决上述技术问题，本发明实施方式采用的一个技术方案是：提供一种放射治疗装置，包括固定支架、旋转支架、移动机构、摆动机构和放射源，所述旋转支架为中空圆筒状；所述旋转支架可旋转地设置于所述固定支架上，所述移动机构设置于所述旋转支架的内壁上，所述放射源通过所述摆动机构设置于所述移动机构上；In order to solve the above technical problem, a technical solution adopted by the embodiment of the present invention is to provide a radiotherapy apparatus, comprising: a fixing bracket, a rotating bracket, a moving mechanism, a swinging mechanism and a radiation source, wherein the rotating bracket is a hollow cylindrical shape; The rotating bracket is rotatably disposed on the fixing bracket, the moving mechanism is disposed on an inner wall of the rotating bracket, and the radiation source is disposed on the moving mechanism through the swinging mechanism;
所述旋转支架用于带动所述移动机构相对所述固定支架旋转；所述移动机构用于带动所述摆动机构和所述放射源直线移动；所述摆动机构用于带动所述放射源转动。The rotating bracket is configured to drive the moving mechanism to rotate relative to the fixing bracket; the moving mechanism is configured to drive the swinging mechanism and the radiation source to move linearly; and the swinging mechanism is configured to drive the radiation source to rotate.
在其中一个实施例中，所述固定支架上开设有安装孔，所述安装孔具有中心轴，所述旋转支架可旋转地设置于所述安装孔中，所述旋转支架的旋转轴与所述安装孔的中心轴重合。In one embodiment, the fixing bracket is provided with a mounting hole, the mounting hole has a central shaft, the rotating bracket is rotatably disposed in the mounting hole, and the rotating shaft of the rotating bracket is The center axes of the mounting holes coincide.
在其中一个实施例中，所述移动机构包括导轨和滑动地设置于所述导轨上的滑块，所述导轨固定设置于所述旋转支架的内壁上，且所述导轨沿所述旋转支架的母线方向设置。In one embodiment, the moving mechanism includes a rail and a slider slidably disposed on the rail, the rail is fixedly disposed on an inner wall of the rotating bracket, and the rail is along the rotating bracket Busbar direction setting.
在其中一个实施例中，所述摆动机构包括摆动轴和绕所述摆动轴转动设置的摆动臂，所述摆动轴固定设置于所述滑块上，所述放射源固定设置于所述摆动臂上。In one embodiment, the swinging mechanism includes a swinging shaft and a swinging arm disposed rotatably about the swinging shaft, the swinging shaft is fixedly disposed on the slider, and the radiation source is fixedly disposed on the swinging arm on.
在其中一个实施例中，所述放射治疗装置还包括第二移动机构，所述第二移动机构设置于所述固定支架与所述旋转支架之间，用于带动所述旋转支架相对所述固定支架直线移动。In one embodiment, the radiotherapy apparatus further includes a second moving mechanism disposed between the fixing bracket and the rotating bracket for driving the rotating bracket relative to the fixing The bracket moves in a straight line.
在其中一个实施例中，所述放射治疗装置还包括连接支架，所述连接支架为中空圆筒状，所述旋转支架设置于所述连接支架中且所述旋转支架可相对所述连接支架旋转，所述连接支架通过所述第二移动机构与所述固定支架连接，
所述第二移动机构用于带动所述连接支架相对所述固定支架直线移动。In one embodiment, the radiation therapy apparatus further includes a connection bracket, the connection bracket is a hollow cylinder, the rotation bracket is disposed in the connection bracket, and the rotation bracket is rotatable relative to the connection bracket The connecting bracket is connected to the fixing bracket by the second moving mechanism,
The second moving mechanism is configured to drive the connecting bracket to move linearly relative to the fixing bracket.
本发明还提供一种放射治疗装置，包括固定支架、连接支架、旋转支架、移动机构、摆动机构和放射源，旋转支架为中空圆筒状；所述移动机构设置于所述固定支架和所述连接支架之间，所述旋转支架可旋转地设置于所述连接支架上，所述放射源通过所述摆动机构设置于所述旋转支架的内壁上；The present invention also provides a radiation therapy apparatus comprising: a fixing bracket, a connecting bracket, a rotating bracket, a moving mechanism, a swinging mechanism and a radiation source, the rotating bracket is a hollow cylindrical shape; the moving mechanism is disposed on the fixing bracket and the Between the connecting brackets, the rotating bracket is rotatably disposed on the connecting bracket, and the radiation source is disposed on the inner wall of the rotating bracket through the swinging mechanism;
所述移动机构用于带动所述连接支架相对所述固定支架直线移动；所述旋转支架用于带动所述摆动机构相对所述连接支架旋转；所述摆动机构用于带动所述放射源转动。The moving mechanism is configured to drive the connecting bracket to move linearly relative to the fixing bracket; the rotating bracket is configured to drive the swinging mechanism to rotate relative to the connecting bracket; and the swinging mechanism is configured to drive the radiation source to rotate.
在其中一个实施例中，所述固定支架上开设有安装孔，所述安装孔具有中心轴，所述旋转支架通过所述连接支架设置于所述安装孔中，所述旋转支架的旋转轴与所述安装孔的中心轴重合。In one embodiment, the fixing bracket is provided with a mounting hole, the mounting hole has a central shaft, and the rotating bracket is disposed in the mounting hole through the connecting bracket, and the rotating shaft of the rotating bracket is The central axes of the mounting holes coincide.
在其中一个实施例中，所述移动机构包括导轨和滑动地设置于所述导轨上的滑块，所述导轨固定设置于所述固定支架的内壁上，且所述导轨沿平行于所述固定支架的所述安装孔的中心轴线方向设置，所述滑块和所述连接支架固定连接。In one embodiment, the moving mechanism includes a rail and a slider slidably disposed on the rail, the rail is fixedly disposed on an inner wall of the fixing bracket, and the rail is parallel to the fixing The mounting hole of the bracket is disposed in a central axis direction, and the slider and the connecting bracket are fixedly connected.
在其中一个实施例中，所述摆动机构包括摆动轴和绕所述摆动轴转动设置的摆动臂，所述摆动轴固定设置于所述旋转支架的内壁上，所述放射源固定设置于所述摆动臂上。In one embodiment, the swinging mechanism includes a swinging shaft and a swinging arm rotatably disposed around the swinging shaft, the swinging shaft is fixedly disposed on an inner wall of the rotating bracket, and the radiation source is fixedly disposed on the Swing on the arm.
本发明实施方式的有益效果是：本发明实施方式的放射治疗装置，放射源发出的射线在垂直于旋转支架旋转轴的平面上的入射夹角可以调节、沿平行于旋转支架的旋转轴所在直线的方向进行移动；在旋转支架的旋转轴和导轨所在的平面上的摆动，从而可以快速、灵活且准确地对放射源发出的射线进行定位，提高了放射治疗的效率；而且，放射治疗装置通过调节放射源发出的射线方位，
可以实现三自由度运动，得到以靶细胞为锥点的锥形放射域，从而对靶区细胞实现多方位放射治疗，放射源发出的射线杀死癌细胞，同时由于锥形放射域使癌细胞周围的健康细胞可以分担放疗损伤，从而避免了因局部集中放疗导致健康细胞被杀死，也即，减少了对病人造成的身体损伤。The beneficial effects of the embodiments of the present invention are: in the radiation therapy apparatus of the embodiment of the present invention, the incident angle of the radiation emitted by the radiation source on a plane perpendicular to the rotation axis of the rotating support can be adjusted, along a line parallel to the rotation axis of the rotating support. The direction of movement; the oscillation of the rotating shaft of the rotating bracket and the plane of the rail, so that the radiation emitted by the radiation source can be positioned quickly, flexibly and accurately, and the efficiency of the radiation treatment is improved; Adjust the direction of the radiation emitted by the source,
Three-degree-of-freedom motion can be achieved, and a cone-shaped radiation field with a target cell as a cone point can be obtained, thereby realizing multi-directional radiation therapy for the target region cells, the radiation emitted by the radiation source kills the cancer cells, and the cancer cells are caused by the cone-shaped radiation field. The surrounding healthy cells can share the radiotherapy damage, thereby avoiding the killing of healthy cells by local concentrated radiotherapy, that is, reducing the physical damage to the patient.
图1为一实施方式的放射治疗装置的立体结构示意图。1 is a schematic perspective view showing a radiotherapy apparatus according to an embodiment.
图2为一实施方式的旋转支架的立体结构示意图。2 is a schematic perspective view of a rotary bracket according to an embodiment.
图3为一实施方式的移动机构、摆动机构和放射源的立体结构示意图。3 is a schematic perspective view showing a moving mechanism, a swinging mechanism, and a radiation source according to an embodiment.
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
值得说明的是，在本发明中，除非另有明确的规定和限定，术语“安装”、“设置”、“连接”或“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电加接；可以是直接连接，也可以通过中间元件间接相连，也可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。It should be noted that in the present invention, terms such as "installation", "setting", "connecting" or "fixing" are to be understood broadly, and may be fixed connections, for example, unless otherwise specifically defined and defined. It may be a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection, or may be indirectly connected through an intermediate element, or may be an internal connection of the two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
请参阅图1，本发明实施方式的放射治疗装置100包括底座10、固定支架
20、旋转支架30、移动机构40、摆动机构50和放射源60。Referring to FIG. 1 , a radiotherapy apparatus 100 according to an embodiment of the present invention includes a base 10 and a fixing bracket.
20. The rotating bracket 30, the moving mechanism 40, the swinging mechanism 50, and the radiation source 60.
固定支架20固定设置于底座10上，底座10固定设置于地面上。固定支架20大致为拱形门状，固定支架20上开设有安装孔21，安装孔21为圆形且安装孔21的中心轴与地面平行。The fixing bracket 20 is fixedly disposed on the base 10, and the base 10 is fixedly disposed on the ground. The fixing bracket 20 is substantially in the shape of an arched door. The fixing bracket 20 is provided with a mounting hole 21. The mounting hole 21 is circular and the central axis of the mounting hole 21 is parallel to the ground.
可以理解的是，放射治疗装置100也可以不包括底座10，此时固定支架20直接固定设置于地面上。It can be understood that the radiotherapy apparatus 100 may not include the base 10, and the fixing bracket 20 is directly fixedly disposed on the ground.
旋转支架30大致为中空圆筒状，旋转支架30设置于固定支架20的安装孔21中，且旋转支架30可绕安装孔21的中心轴进行旋转，也就是说，旋转支架30的旋转轴与安装孔21的中心轴重合设置。本发明实施方式中，旋转支架30与固定支架20之间通过旋转轴承连接，以使旋转支架30可以相对固定支架20进行旋转。The rotating bracket 30 is substantially hollow cylindrical, the rotating bracket 30 is disposed in the mounting hole 21 of the fixing bracket 20, and the rotating bracket 30 is rotatable around the central axis of the mounting hole 21, that is, the rotating shaft of the rotating bracket 30 and The central axes of the mounting holes 21 are coincidently disposed. In the embodiment of the present invention, the rotating bracket 30 and the fixed bracket 20 are connected by a rotating bearing, so that the rotating bracket 30 can rotate relative to the fixed bracket 20.
请同时参阅图2和图3，移动机构40包括导轨41和滑块42。导轨41固定设置于旋转支架30的内壁上，且导轨41的延伸方向沿平行于旋转支架30的旋转轴的方向设置，也就是说，导轨41沿旋转支架30的母线方向设置。滑块42可滑动地设置于导轨41上，也就是说，滑块42可以沿平行于旋转支架30的旋转轴的方向相对旋转支架30直线移动。本发明实施方式中，导轨41与旋转支架30一体成型设置，从而保证了滑块42移动方向的精确度。2 and 3, the moving mechanism 40 includes a guide rail 41 and a slider 42. The guide rails 41 are fixedly disposed on the inner wall of the rotary bracket 30, and the extending direction of the guide rails 41 is disposed in a direction parallel to the rotation axis of the rotary bracket 30, that is, the guide rails 41 are disposed along the direction of the bus bar of the rotary bracket 30. The slider 42 is slidably disposed on the guide rail 41, that is, the slider 42 is linearly movable relative to the rotary bracket 30 in a direction parallel to the rotational axis of the rotary bracket 30. In the embodiment of the present invention, the guide rail 41 is integrally formed with the rotating bracket 30, thereby ensuring the accuracy of the moving direction of the slider 42.
可以理解的是，导轨41也可以不与旋转支架30一体成型，例如导轨41可以嵌入设置于旋转支架30的内壁，或者导轨41还可以焊接于旋转支架30的内壁。It can be understood that the guide rail 41 may not be integrally formed with the rotating bracket 30. For example, the guide rail 41 may be embedded in the inner wall of the rotating bracket 30, or the guide rail 41 may be welded to the inner wall of the rotating bracket 30.
请继续参阅图3，摆动机构50包括摆动轴(图未标)和绕所述摆动轴转动设置的摆动臂51。所述摆动轴固定设置于滑块42上，且所述摆动轴的中心轴与导轨41的延伸方向垂直，也就是说，所述摆动轴的中心轴与旋转支架30
的旋转轴垂直。摆动臂51可绕所述摆动轴转动地设置于所述摆动轴上，也就是说，摆动臂51的转动平面与所述摆动轴的中心轴垂直。本发明实施方式中，所述摆动轴与滑块42一体成型设置，从而保证了所述摆动轴与导轨41垂直的精度，进而保证了摆动臂51的转动精确度。Referring to FIG. 3, the swinging mechanism 50 includes a swinging shaft (not shown) and a swinging arm 51 disposed to rotate about the swinging shaft. The swing shaft is fixedly disposed on the slider 42 , and the central axis of the swing shaft is perpendicular to the extending direction of the guide rail 41 , that is, the central axis of the swing shaft and the rotating bracket 30 .
The axis of rotation is vertical. The swing arm 51 is rotatably disposed on the swing shaft about the swing shaft, that is, the plane of rotation of the swing arm 51 is perpendicular to the center axis of the swing shaft. In the embodiment of the present invention, the swing shaft is integrally formed with the slider 42 to ensure the accuracy of the swing axis perpendicular to the guide rail 41, thereby ensuring the rotation accuracy of the swing arm 51.
可以理解的是，所述摆动轴也可以不与滑块42一体成型设置，例如，所述摆动轴可以卡接于滑块42上，或者所述摆动轴可以焊接于滑块42上。It can be understood that the swing shaft may not be integrally formed with the slider 42 . For example, the swing shaft may be engaged with the slider 42 , or the swing shaft may be welded to the slider 42 .
放射源60固定设置于摆动臂51朝向旋转支架30的旋转轴的一端，且放射源60发射出的射线与旋转支架30的旋转轴相交。本发明实施方式中，放射源60为直线加速器。The radiation source 60 is fixedly disposed at one end of the swing arm 51 toward the rotation shaft of the rotating bracket 30, and the radiation emitted from the radiation source 60 intersects the rotation axis of the rotating bracket 30. In an embodiment of the invention, the source 60 is a linear accelerator.
本发明实施方式的放射治疗装置100，旋转支架30带动放射源60绕旋转支架30的旋转轴转动，从而实现了对放射源60发出的射线在垂直于旋转支架30旋转轴的平面上的入射夹角进行调节；移动机构40带动放射源60沿旋转支架30的母线方向直线移动，从而实现了放射源60发出的射线沿平行于旋转支架30的旋转轴所在直线的方向进行移动；摆动机构50带动放射源60绕摆动轴摆动，放射源60安装角度上保持其方向对着旋转支架30的旋转轴线，从而实现放射源60发出的射线在旋转支架30的旋转轴和导轨所在的平面上的摆动。In the radiation therapy apparatus 100 of the embodiment of the present invention, the rotating bracket 30 drives the radiation source 60 to rotate about the rotation axis of the rotating bracket 30, thereby realizing the incident clip of the radiation emitted from the radiation source 60 on a plane perpendicular to the rotation axis of the rotating bracket 30. The angle is adjusted; the moving mechanism 40 drives the radiation source 60 to move linearly along the direction of the bus bar of the rotating bracket 30, thereby realizing that the radiation emitted by the radiation source 60 moves in a direction parallel to the straight line of the rotating shaft of the rotating bracket 30; the swinging mechanism 50 drives The radiation source 60 is swung about the swing axis, and the radiation source 60 is mounted at an angle that maintains its direction against the rotation axis of the rotary holder 30, thereby effecting the swing of the radiation emitted from the radiation source 60 on the plane of rotation of the rotary holder 30 and the plane on which the guide rail is located.
如上所述，本发明实施方式的放射治疗装置100中，放射源60发出的射线在垂直于旋转支架30旋转轴的平面上的入射夹角可以调节、沿平行于旋转支架30的旋转轴所在直线的方向进行移动；在旋转支架30的旋转轴和导轨所在的平面上的摆动，从而在放射治疗装置100工作时，可以快速、灵活且准确地对放射源60发出的射线进行定位，提高了放射治疗的效率；而且，放射治疗装置100通过调节放射源60发出的射线方位，可以得到以靶细胞为锥点的
锥形放射域，从而对靶区细胞实现多方位放射治疗，放射源60发出的射线杀死癌细胞，同时由于锥形放射域使癌细胞周围的健康细胞可以分担放疗损伤，从而避免了因局部集中放疗导致健康细胞被杀死，也即，减少了对病人造成的身体损伤。As described above, in the radiation therapy apparatus 100 according to the embodiment of the present invention, the incident angle of the radiation emitted from the radiation source 60 on the plane perpendicular to the rotational axis of the rotary holder 30 can be adjusted, along a line parallel to the rotational axis of the rotary holder 30. The direction of the movement; the oscillation of the rotating shaft of the rotating bracket 30 and the plane of the guide rail, so that the radiation emitted from the radiation source 60 can be quickly, flexibly and accurately positioned while the radiation therapy apparatus 100 is operating, thereby improving the radiation. The efficiency of the treatment; moreover, the radiotherapy apparatus 100 can obtain the target cell as a cone point by adjusting the orientation of the radiation emitted by the radiation source 60.
The cone-shaped radiation domain, thereby achieving multi-directional radiation therapy for the cells in the target region, the radiation emitted by the radiation source 60 kills the cancer cells, and at the same time, the cone-shaped radiation domain enables the healthy cells around the cancer cells to share the radiation damage, thereby avoiding the local Centralized radiation therapy causes healthy cells to be killed, that is, reduces physical damage to the patient.
可以理解的是，在另一实施方式中，移动机构40还可以不设置于旋转支架30的内壁，此时移动机构40设置于旋转支架30与固定支架20之间，使旋转支架30可以相对固定支架20进行旋转的同时，还可以相对固定支架20沿平行于旋转支架30的旋转轴方向进行直线移动。具体地，在一实施方式中，固定支架20与旋转支架30之间还设有一连接支架(图未示)，所述连接支架也为中空圆筒状，旋转支架30通过旋转轴承与所述连接支架连接，以使旋转支架30可以相对所述连接支架进行旋转。所述连接支架通过移动机构40与固定支架20连接，此时，移动机构40的数量可以为多个，以使所述连接支架可以带动旋转支架30沿旋转支架30的旋转轴方向相对固定支架20进行直线移动。此时，移动机构40的导轨固定设置于固定支架30的内壁上，且导轨沿平行于固定支架30的安装孔21的中心轴线方向设置，滑块和连接支架固定连接。此时，摆动机构50的摆动轴固定设置于旋转支架30的内壁上，放射源60固定设置于摆动臂上。It can be understood that, in another embodiment, the moving mechanism 40 may not be disposed on the inner wall of the rotating bracket 30. At this time, the moving mechanism 40 is disposed between the rotating bracket 30 and the fixing bracket 20, so that the rotating bracket 30 can be relatively fixed. While the bracket 20 is rotating, it is also possible to linearly move in a direction parallel to the rotation axis of the rotating bracket 30 with respect to the fixed bracket 20. Specifically, in an embodiment, a connecting bracket (not shown) is further disposed between the fixing bracket 20 and the rotating bracket 30. The connecting bracket is also a hollow cylindrical shape, and the rotating bracket 30 is connected to the rotating bearing. The brackets are coupled such that the swivel bracket 30 can be rotated relative to the connecting bracket. The connecting bracket is connected to the fixing bracket 20 by the moving mechanism 40. In this case, the number of the moving mechanisms 40 may be multiple, so that the connecting bracket can drive the rotating bracket 30 relative to the fixing bracket 20 along the rotating shaft direction of the rotating bracket 30. Make a straight line move. At this time, the guide rail of the moving mechanism 40 is fixedly disposed on the inner wall of the fixing bracket 30, and the guide rail is disposed along a central axis direction parallel to the mounting hole 21 of the fixing bracket 30, and the slider and the connecting bracket are fixedly connected. At this time, the swing shaft of the swing mechanism 50 is fixedly disposed on the inner wall of the rotating bracket 30, and the radiation source 60 is fixedly disposed on the swing arm.
还可以理解的是，在另一实施方式中，放射治疗装置还可以包括第二移动机构(图未示)，移动机构40仍然设置于旋转支架30的内壁，所述第二移动机构设置于旋转支架30与固定支架20之间，所述第二移动机构用于带动旋转支架30沿平行于旋转支架30的旋转轴方向相对固定支架20进行直线移动，移动机构40和所述第二移动机构配合，从而拓宽了放射源60沿旋转支架30的旋转轴进行直线移动的距离，进一步增加了放射治疗装置100的放射源60
发出的射线的调节范围。It can also be understood that, in another embodiment, the radiotherapy apparatus can further include a second moving mechanism (not shown), the moving mechanism 40 is still disposed on the inner wall of the rotating bracket 30, and the second moving mechanism is disposed on the rotating Between the bracket 30 and the fixed bracket 20, the second moving mechanism is configured to drive the rotating bracket 30 to move linearly relative to the fixed bracket 20 in a direction parallel to the rotation axis of the rotating bracket 30, and the moving mechanism 40 cooperates with the second moving mechanism Thereby widening the distance that the radiation source 60 moves linearly along the rotation axis of the rotating support 30, further increasing the radiation source 60 of the radiation therapy apparatus 100
The range of adjustment of the emitted rays.
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。
The above is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the invention and the drawings are directly or indirectly applied to other related technologies. The fields are all included in the scope of patent protection of the present invention.
Claims (10)
- 一种放射治疗装置，其特征在于，包括固定支架、旋转支架、移动机构、摆动机构和放射源，所述旋转支架为中空圆筒状；所述旋转支架可旋转地设置于所述固定支架上，所述移动机构设置于所述旋转支架的内壁上，所述放射源通过所述摆动机构设置于所述移动机构上；A radiotherapy apparatus, comprising: a fixing bracket, a rotating bracket, a moving mechanism, a swinging mechanism and a radiation source, wherein the rotating bracket is hollow cylindrical; the rotating bracket is rotatably disposed on the fixing bracket The moving mechanism is disposed on an inner wall of the rotating bracket, and the radiation source is disposed on the moving mechanism through the swinging mechanism;所述旋转支架用于带动所述移动机构相对所述固定支架旋转；所述移动机构用于带动所述摆动机构和所述放射源直线移动；所述摆动机构用于带动所述放射源转动。The rotating bracket is configured to drive the moving mechanism to rotate relative to the fixing bracket; the moving mechanism is configured to drive the swinging mechanism and the radiation source to move linearly; and the swinging mechanism is configured to drive the radiation source to rotate.
- 根据权利要求1所述的放射治疗装置，其特征在于，所述固定支架上开设有安装孔，所述安装孔具有中心轴，所述旋转支架可旋转地设置于所述安装孔中，所述旋转支架的旋转轴与所述安装孔的中心轴重合。The radiation therapy apparatus according to claim 1, wherein the fixing bracket is provided with a mounting hole, the mounting hole has a central shaft, and the rotating bracket is rotatably disposed in the mounting hole, The rotating shaft of the rotating bracket coincides with the central axis of the mounting hole.
- 根据权利要求1所述的放射治疗装置，其特征在于，所述移动机构包括导轨和滑动地设置于所述导轨上的滑块，所述导轨固定设置于所述旋转支架的内壁上，且所述导轨沿所述旋转支架的母线方向设置。The radiation therapy apparatus according to claim 1, wherein the moving mechanism comprises a guide rail and a slider slidably disposed on the guide rail, the guide rail is fixedly disposed on an inner wall of the rotating bracket, and The guide rails are disposed along the direction of the bus bar of the rotating bracket.
- 根据权利要求3所述的放射治疗装置，其特征在于，所述摆动机构包括摆动轴和绕所述摆动轴转动设置的摆动臂，所述摆动轴固定设置于所述滑块上，所述放射源固定设置于所述摆动臂上。The radiation therapy apparatus according to claim 3, wherein the swinging mechanism includes a swinging shaft and a swinging arm that is rotatably disposed about the swinging shaft, the swinging shaft is fixedly disposed on the slider, the radiation The source is fixedly disposed on the swing arm.
- 根据权利要求1所述的放射治疗装置，其特征在于，所述放射治疗装置还包括第二移动机构，所述第二移动机构设置于所述固定支架与所述旋转支架之间，用于带动所述旋转支架相对所述固定支架直线移动。The radiotherapy apparatus according to claim 1, wherein the radiation therapy apparatus further comprises a second moving mechanism, the second moving mechanism being disposed between the fixing bracket and the rotating bracket for driving The rotating bracket moves linearly with respect to the fixed bracket.
- 根据权利要求5所述的放射治疗装置，其特征在于，所述放射治疗装置还包括连接支架，所述连接支架为中空圆筒状，所述旋转支架设置于所述连接支 架中且所述旋转支架可相对所述连接支架旋转，所述连接支架通过所述第二移动机构与所述固定支架连接，所述第二移动机构用于带动所述连接支架相对所述固定支架直线移动。The radiation therapy apparatus according to claim 5, wherein the radiation therapy apparatus further comprises a connection bracket, the connection bracket is a hollow cylindrical shape, and the rotation bracket is disposed on the connection branch And the rotating bracket is rotatable relative to the connecting bracket, the connecting bracket is connected to the fixing bracket by the second moving mechanism, and the second moving mechanism is configured to drive the connecting bracket relative to the fixing The bracket moves in a straight line.
- 一种放射治疗装置，其特征在于，包括固定支架、连接支架、旋转支架、移动机构、摆动机构和放射源，旋转支架为中空圆筒状；所述移动机构设置于所述固定支架和所述连接支架之间，所述旋转支架可旋转地设置于所述连接支架上，所述放射源通过所述摆动机构设置于所述旋转支架的内壁上；A radiotherapy apparatus, comprising: a fixing bracket, a connecting bracket, a rotating bracket, a moving mechanism, a swinging mechanism and a radiation source, wherein the rotating bracket is a hollow cylindrical shape; the moving mechanism is disposed on the fixing bracket and the Between the connecting brackets, the rotating bracket is rotatably disposed on the connecting bracket, and the radiation source is disposed on the inner wall of the rotating bracket through the swinging mechanism;所述移动机构用于带动所述连接支架相对所述固定支架直线移动；所述旋转支架用于带动所述摆动机构相对所述连接支架旋转；所述摆动机构用于带动所述放射源转动。The moving mechanism is configured to drive the connecting bracket to move linearly relative to the fixing bracket; the rotating bracket is configured to drive the swinging mechanism to rotate relative to the connecting bracket; and the swinging mechanism is configured to drive the radiation source to rotate.
- 根据权利要求7所述的放射治疗装置，其特征在于，所述固定支架上开设有安装孔，所述安装孔具有中心轴，所述旋转支架通过所述连接支架设置于所述安装孔中，所述旋转支架的旋转轴与所述安装孔的中心轴重合。The radiation therapy device according to claim 7, wherein the fixing bracket is provided with a mounting hole, the mounting hole has a central shaft, and the rotating bracket is disposed in the mounting hole through the connecting bracket, The rotating shaft of the rotating bracket coincides with a central axis of the mounting hole.
- 根据权利要求8所述的放射治疗装置，其特征在于，所述移动机构包括导轨和滑动地设置于所述导轨上的滑块，所述导轨固定设置于所述固定支架的内壁上，且所述导轨沿平行于所述固定支架的所述安装孔的中心轴线方向设置，所述滑块和所述连接支架固定连接。The radiation therapy apparatus according to claim 8, wherein the moving mechanism comprises a guide rail and a slider slidably disposed on the guide rail, the guide rail is fixedly disposed on an inner wall of the fixing bracket, and The guide rail is disposed in a direction parallel to a central axis of the mounting hole of the fixing bracket, and the slider and the connecting bracket are fixedly connected.
- 根据权利要求7所述的放射治疗装置，其特征在于，所述摆动机构包括摆动轴和绕所述摆动轴转动设置的摆动臂，所述摆动轴固定设置于所述旋转支架的内壁上，所述放射源固定设置于所述摆动臂上。 The radiation therapy apparatus according to claim 7, wherein the swinging mechanism includes a swinging shaft and a swinging arm that is rotatably disposed about the swinging shaft, and the swinging shaft is fixedly disposed on an inner wall of the rotating bracket. The radioactive source is fixedly disposed on the swing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/106177 WO2018090267A1 (en) | 2016-11-17 | 2016-11-17 | Radiation therapy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/106177 WO2018090267A1 (en) | 2016-11-17 | 2016-11-17 | Radiation therapy device |
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| Publication Number | Publication Date |
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| WO2018090267A1 true WO2018090267A1 (en) | 2018-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/CN2016/106177 WO2018090267A1 (en) | 2016-11-17 | 2016-11-17 | Radiation therapy device |
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| WO (1) | WO2018090267A1 (en) |
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