Rack for radiotherapy equipment and radiotherapy equipment

Abstract

The invention provides a rack for radiotherapy equipment and the radiotherapy equipment. The rack for the radiotherapy equipment comprises a supporting assembly; the roller is configured to be of a horizontal structure and is provided with an axial first end and an axial second end, and the first end and the second end are rotationally arranged on the supporting assembly; and the bearing frame is arranged on the outer wall of the first end and is suitable for bearing an external pulse transformer, so that the pulse transformer synchronously rotates along with the roller. The roller is suitable for providing a reliable mounting platform for the ultrahigh-dose-rate radiotherapy equipment, so that particle rays output by a plurality of beam modules configured on the ultrahigh-dose-rate radiotherapy equipment can be accurately converged in the roller. The first end and the second end of the roller are rotatably arranged on the supporting assembly so as to meet the requirement for bearing capacity required by the roller and other configured assemblies, so that the rack for the radiotherapy equipment forms a reliable mounting platform. The bearing frame is used for assembling the pulse transformer on the roller and moves along with the roller.

Description

Technical Field

[0001] The present disclosure relates to the technical field of radiotherapy, and in particular to a frame for radiotherapy equipment and radiotherapy equipment. Background Art

[0002] Tumor treatment is an important topic in modern medical research. Radiotherapy is a method of treating tumors by using ionizing radiation to damage the DNA of cancer cells, thereby inhibiting or killing cancer cells.

[0003] Ultra-high dose rate radiotherapy, also known as flash radiotherapy (Flash-RT or flash therapy), is an emerging radiotherapy technology that can compress the irradiation time to milliseconds to complete high-dose radiation to the tumor. The radiation dose can reach 40Gy / s and above to obtain unique biological effects. In this way, the damage to normal tissues can be reduced while maintaining the killing effect on tumor cells.

[0004] Ultra-high dose rate radiotherapy equipment includes a frame and other components arranged on the frame. At present, the frame for radiotherapy equipment includes a roller and a support assembly, and one axial end of the roller is rotatably arranged on the support assembly to form a cantilever structure. However, the bearing capacity of this structure is low and it is difficult to meet the bearing capacity requirements of ultra-high dose rate radiotherapy equipment. Summary of the invention

[0005] In order to solve at least one of the above-mentioned and other technical problems in the prior art, an embodiment of the present invention provides a frame for radiotherapy equipment, which is suitable for serving as an installation base for ultra-high dose rate radiotherapy equipment, and the first end and the second end of the roller can be rotatably disposed on the support assembly to meet the bearing capacity requirements of the roller.

[0006] An embodiment of the present disclosure provides a frame for radiotherapy equipment, including: a support assembly; a roller, configured as a horizontal structure, having an axial first end and a second end, the first end and the second end being rotatably disposed on the support assembly; and a support frame, disposed on the outer wall of the above-mentioned first end, suitable for carrying an external pulse transformer so that the above-mentioned pulse transformer rotates synchronously with the above-mentioned roller.

[0007] According to an embodiment of the present disclosure, the above-mentioned drum is also suitable for installing an external beam assembly and a power distribution assembly so that the above-mentioned beam assembly and the power distribution assembly rotate synchronously with the above-mentioned drum; wherein the above-mentioned beam assembly is arranged on the outside of the above-mentioned second end, and the above-mentioned power distribution assembly is arranged on the outer wall of the part of the above-mentioned drum located between the above-mentioned first end and the above-mentioned second end.

[0008] According to an embodiment of the present disclosure, the frame for radiotherapy equipment also includes an adjustment component, which is arranged between the above-mentioned support frame and the above-mentioned pulse transformer, and is suitable for adjusting the position of the above-mentioned pulse transformer relative to the above-mentioned power distribution component and maintaining the above-mentioned pulse transformer in the assembly position.

[0009] According to an embodiment of the present disclosure, the above-mentioned supporting frame includes: a mounting portion, which is arranged on the outer wall of the above-mentioned roller and extends radially outward along the above-mentioned roller; and a supporting portion, which is arranged at one end of the above-mentioned mounting portion away from the above-mentioned roller and forms a first mounting surface parallel to the axis of the above-mentioned roller.

[0010] According to an embodiment of the present disclosure, the adjustment assembly is arranged on the bearing portion, and is suitable for making the pulse transformer translate along a direction parallel to the first mounting surface and / or move closer to or away from the roller along a direction orthogonal to the first mounting surface.

[0011] According to an embodiment of the present disclosure, the above-mentioned adjustment component includes: a movable plate, which is slidably disposed on the above-mentioned first mounting surface, and is suitable for translation along the first direction or the second direction; and a lifting member, which is disposed on the above-mentioned movable plate and abuts against the above-mentioned first mounting surface, and is suitable for adjusting the distance between the above-mentioned movable plate and the above-mentioned first mounting surface along a third direction; wherein the above-mentioned pulse transformer is mounted on the above-mentioned movable plate to move synchronously with the above-mentioned movable plate.

[0012] According to an embodiment of the present disclosure, the above-mentioned adjustment component also includes a limiter, which is suitable for limiting the displacement of the above-mentioned movable plate along the above-mentioned first direction and the above-mentioned second direction, so that the above-mentioned pulse transformer remains in the above-mentioned assembly position.

[0013] According to an embodiment of the present disclosure, the frame for radiotherapy equipment also includes a mounting plate, which is arranged on the outer wall of the second end of the drum and extends outward in the radial direction of the drum; the beam assembly is arranged on the mounting plate.

[0014] According to an embodiment of the present disclosure, a frame for radiotherapy equipment includes a first mounting plate, which is arranged on a first side of the above-mentioned second end; and a second mounting plate, which is arranged on a second side of the above-mentioned second end opposite to the above-mentioned first side; the above-mentioned beam assembly includes a plurality of beam modules, a part of the above-mentioned beam modules are arranged on the above-mentioned first mounting plate, and another part of the above-mentioned beam modules are arranged on the above-mentioned second mounting plate; wherein the output ends of the above-mentioned beam modules are all arranged facing the axis of the above-mentioned drum, so that the particle beam output by each of the above-mentioned beam modules converges at a point on the axis of the above-mentioned drum.

[0015] According to an embodiment of the present disclosure, one side surface of the first mounting plate and the second mounting plate are coplanarly arranged to form a second mounting surface, and the beam assembly is arranged on the second mounting surface.

[0016] According to an embodiment of the present disclosure, the first mounting plate and / or the second mounting plate are configured as a substantially fan-shaped structure.

[0017] According to an embodiment of the present disclosure, different numbers of the beam modules are disposed on the first mounting plate and the second mounting plate.

[0018] According to an embodiment of the present disclosure, the same number of beam modules are disposed on the first mounting plate and the second mounting plate.

[0019] According to an embodiment of the present disclosure, the support assembly includes: a base configured as a pry-type structure; and two legs disposed at two opposite ends of the base, with the roller rotatably disposed between the two legs.

[0020] According to an embodiment of the present disclosure, the frame for radiotherapy equipment also includes a driving assembly, which is suitable for driving the above-mentioned roller to rotate around the axis.

[0021] According to an embodiment of the present disclosure, the driving assembly includes: a ring gear coaxially arranged on the outer wall of the first end of the roller; and a driving part drivingly connected to the ring gear and suitable for outputting torque to the ring gear.

[0022] According to an embodiment of the present disclosure, the frame for radiotherapy equipment further includes a detection component adapted to detect the rotation speed and / or circumferential position of the above-mentioned roller.

[0023] According to an embodiment of the present disclosure, the frame for radiotherapy equipment further includes a brake assembly, which is suitable for limiting further rotation of the above-mentioned roller.

[0024] The present disclosure also provides a radiotherapy device, comprising: a frame for the radiotherapy device; a beam assembly and a power distribution assembly; wherein the beam assembly and the power distribution assembly are arranged on a roller of the frame for the radiotherapy device to rotate synchronously with the roller.

[0025] According to the technical solution provided by the exemplary embodiment of the present disclosure, the first end and the second end of the drum can be rotatably arranged on the support assembly. Compared with the cantilever structure, both ends of the drum are supported by the support assembly, so the force of the support assembly can be dispersed to meet the bearing capacity requirements of the drum and other configured components. The support frame is used to carry the pulse transformer on the drum to position the pulse transformer and other components of the ultra-high dose rate radiotherapy equipment, and to make the pulse transformer drum rotate synchronously. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a perspective view of an ultra-high dose rate radiotherapy device according to an exemplary embodiment of the present disclosure, showing a gantry for the radiotherapy device;

[0027] Figure 2 yes Figure 1 A schematic diagram of the illustrated exemplary embodiment from a front view perspective;

[0028] Figure 3 yes Figure 1 A perspective view of the carrier and adjustment assembly portion of the illustrated exemplary embodiment;

[0029] Figure 4 yes Figure 3 A schematic diagram of a top view of an adjustment assembly of the illustrated exemplary embodiment;

[0030] Figure 5 yes Figure 1 The illustrated illustrative embodiment is a perspective view of a gantry for a radiotherapy device showing the support assembly and rollers.

[0031] In the drawings, the meanings of the reference numerals are as follows:

[0032] 10. Racks for radiotherapy equipment;

[0033] 11. Roller;

[0034] 12. Distributor bracket;

[0035] 13. Support assembly;

[0036] 131, outrigger;

[0037] 132. Base;

[0038] 133. Rings;

[0039] 14. Carrying frame;

[0040] 141. Installation department;

[0041] 142, bearing part;

[0042] 15. Mounting plate;

[0043] 151, first mounting plate;

[0044] 152, second mounting plate;

[0045] 16. Adjustment components;

[0046] 161, mobile board;

[0047] 162. Assemble beams;

[0048] 163. Lifting parts;

[0049] 164, top thread;

[0050] 165, top block;

[0051] 166, first screw;

[0052] 167, second screw;

[0053] 17. Drive components;

[0054] 171, ring gear;

[0055] 172. Driving unit;

[0056] 18. Detection components;

[0057] 20. Pulse transformer;

[0058] 30. Beam assembly;

[0059] 31. Beam module. DETAILED DESCRIPTION

[0060] In order to make the objectives, technical solutions and advantages of the present disclosure more clearly understood, the present disclosure is further described in detail below in combination with specific embodiments and with reference to the accompanying drawings.

[0061] The terms used herein are only for describing specific embodiments and are not intended to limit the present disclosure. The terms "comprise", "include", etc. used herein indicate the existence of the features, steps, operations and / or components, but do not exclude the existence or addition of one or more other features, steps, operations or components.

[0062] All terms used herein, including technical and scientific terms, have the meanings commonly understood by those skilled in the art, unless otherwise defined. It should be noted that the terms used herein should be interpreted as having a meaning consistent with the context of this specification, and should not be interpreted in an idealized or overly rigid manner.

[0063] When using expressions such as "at least one of A, B, and C, etc.", it should generally be interpreted as the meaning of the expression generally understood by those skilled in the art. For example, "a system having at least one of A, B, and C" should include but not be limited to a system having A alone, B alone, C alone, A and B, A and C, B and C, and / or A, B, C, etc. When using expressions such as "at least one of A, B, or C, etc.", it should generally be interpreted as the meaning of the expression generally understood by those skilled in the art. For example, "a system having at least one of A, B, or C" should include but not be limited to a system having A alone, B alone, C alone, A and B, A and C, B and C, and / or A, B, C, etc.

[0064] It should be noted that, in this article, unless otherwise specified, the expression "ultra-high dose rate" includes a dose rate of 40 Gy / s or more in a short period of time, for example, an average dose rate of 300 Gy / s or more. Ultra-high dose rate can be applied to medical radiotherapy, container security inspection, industrial imaging and other fields.

[0065] Take flash therapy as an example, which is also called ultra-high dose rate radiotherapy (FLASH-RT for short), and is a treatment option for tumor radiotherapy. The use of flash therapy technology not only kills tumor cells, but also has low toxic side effects on normal tissues, and reduces the risk of damage to the patient's body by taking a large amount of rejection drugs after surgery, while shortening the postoperative recovery period and improving the quality of life after surgery. In other words, FLASH-RT uses ultra-fast irradiation, and the dose rate is several orders of magnitude higher than the dose rate used in traditional radiotherapy (for example, 20-100Gy / s compared to 1-4Gy / min). Ultra-high dose rates can reduce the toxicity of normal tissues directly induced by radiation, while maintaining the same effective response to lesion tissues. This is the so-called "flash effect."

[0066] Figure 1 It is a stereoscopic view of an ultra-high dose rate radiotherapy device according to an illustrative embodiment of the present disclosure, showing a frame for the radiotherapy device. Figure 2 yes Figure 1 A schematic diagram of the exemplary embodiment shown is a front view.

[0067] Reference Figure 1 and Figure 2 As shown, the ultra-high dose rate radiotherapy device provided by the embodiment of the present disclosure includes a frame 10 for radiotherapy equipment, a beam assembly 30 and a power distribution assembly. Among them, the beam assembly 30 and the power distribution assembly are arranged on the roller 11 of the frame 10 for radiotherapy equipment to rotate synchronously with the roller 11. In addition, the ultra-high dose rate radiotherapy device also includes at least a power synthesis assembly, a power source assembly and a pulse transformer 20.

[0068] Among them, the pulse transformer 20 is used to convert the low-voltage DC power supply into a high-voltage pulse power supply and provide it to the power source. The power source component generates microwave energy to provide an energy source for the operation of the ultra-high dose rate radiotherapy equipment. The power synthesis component is used to synthesize the microwave energy provided by the power source component to increase the microwave power. The power distribution module distributes the corresponding microwaves equally to different beam modules 31 in the beam component 30. The multiple beam modules 31 in the beam component 30 respond to the received microwaves and convert them into particle rays in equal amounts, and converge at one point.

[0069] Based on the overall inventive concept, in order to assemble and integrate the above-mentioned components of the ultra-high dose rate radiotherapy equipment, it is necessary to provide a radiotherapy equipment rack for use in installing and removing the ultra-high dose rate radiotherapy equipment, so that the ultra-high dose rate radiotherapy equipment at least partially meets the design requirements.

[0070] The present disclosure provides a frame for radiotherapy equipment, such as Figure 1 and Figure 2 As shown, it includes a support assembly 13, a roller 11 and a support frame 14. The roller 11 is configured as a horizontal structure, and has an axial first end and a second end. The axial first end and the second end of the roller 11 are rotatably arranged on the support assembly 13. The support frame 14 is arranged on the outer wall of the first end, and is suitable for carrying an external pulse transformer 20, so that the pulse transformer 20 rotates synchronously with the roller 11.

[0071] In an illustrative embodiment, Figure 1 and Figure 2 As shown, the drum 11 of the frame 10 for radiotherapy equipment is configured as a substantially cylindrical drum structure. To meet the assembly and use requirements of the drum 11 with other components, a suitable through hole and / or groove structure may be formed on the drum structure of the main body, which may be a through hole suitable for accommodating the passage of particle rays. Further, to meet the assembly and load-bearing requirements of the drum 11 with other components of the ultra-high dose rate radiotherapy equipment, an appropriate number of reinforcing ribs may be provided on its inner wall and / or outer wall, and the reinforcing ribs may be arranged along the circumference of the drum 11 or along the axial direction of the drum 11.

[0072] In an illustrative embodiment, Figure 1 and Figure 2 As shown, the roller 11 of the radiotherapy equipment frame 10 is configured as a horizontal structure, that is, the axis AX1 of the roller 11 is along the Figure 1 The x direction shown extends, and the x direction is substantially parallel to the horizontal plane. In this way, when a tumor patient is given radiotherapy, the tumor patient can be sent into the inner space of the drum 11 in the horizontal direction.

[0073] In an illustrative embodiment, Figure 1 and Figure 2 As shown, the frame 10 for radiotherapy equipment is provided with a support frame 14. In detail, the support frame 14 is installed on the outer wall of the drum 11, and can be installed on the outer wall surface of the drum 11, and the support frame 14 extends radially outwardly of the drum 11. Further, the pulse transformer 20 configured for the ultra-high dose rate radiotherapy equipment is arranged on the support frame 14, so as to be connected to the drum 11 through the support frame 14, and rotate synchronously with the drum 11 during the rotation of the drum 11. Among them, the support frame 14 includes but is not limited to being installed on the outside of the drum 11 by riveting, welding, bolt connection, integral formation and any other means.

[0074] In such an embodiment, the drum 11 is rotatably disposed on the support assembly 13, and is suitable for providing a reliable installation platform for the ultra-high dose rate radiotherapy device, so that the particle beams output by the multiple beam modules configured by the ultra-high dose rate radiotherapy device can be accurately converged in the drum 11. The support frame is used to assemble the pulse transformer on the drum 11 and move with the drum 11, so as to position and connect with other components of the ultra-high dose rate radiotherapy device, so that during the operation of the ultra-high dose rate radiotherapy device, the pulse transformer converts the low voltage DC power supply into a high voltage pulse power supply, so as to cooperate with the power source to provide the required energy for the acceleration tube in the beam module to generate high-energy particle beams.

[0075] According to the embodiments of the present disclosure, Figure 1 and Figure 2 As shown, the drum 11 of the frame for radiotherapy equipment is also suitable for installing an external beam assembly 30 and a power distribution assembly (not shown in the figure), so that the beam assembly 30 and the power distribution assembly rotate synchronously with the drum 11. The beam assembly 30 is arranged on the outer side of the second end of the drum 11 away from the first end, and the power distribution assembly is arranged on the outer wall of the drum 11 between the first end and the second end.

[0076] In an illustrative embodiment, Figure 1 As shown, the carrier 14 is arranged on the outer wall of the drum 11 near the first end, the beam assembly 30 is arranged on the second end of the drum 11, and the power distribution assembly (not shown in the figure) is arranged on the portion between the first end and the second end of the drum 11. In this way, by installing different components of the ultra-high dose rate radiotherapy equipment on different parts of the drum 11, the forces on various parts of the drum 11 can be made more uniform, so as to prevent the occurrence of stress concentration, and can also more effectively prevent the occurrence of eccentric load on the drum 11 during the rotation process.

[0077] Figure 3 yes Figure 1 A perspective view of the carrier and adjustment assembly portion of the exemplary embodiment is shown.

[0078] According to the embodiments of the present disclosure, Figure 1 and 3 As shown, the support frame 14 includes a mounting portion 141 and a bearing portion 142. The mounting portion 141 is disposed on the outer wall of the drum 11 and extends radially outwardly of the drum 11. The bearing portion 142 is disposed at one end of the mounting portion 141 away from the drum 11 and forms a first mounting surface parallel to the axis of the drum 11.

[0079] In an illustrative embodiment, Figure 3As shown, two carriers 14 are provided on the drum 11, and the two carriers 14 are symmetrically arranged on both radial sides of the drum 11. In detail, a pulse transformer 20 is mounted on the first mounting surface formed by each carrier 14. The pulse transformers 20 located on both sides of the axis of the drum 11 are respectively connected to a power distribution component nearby.

[0080] For example, the power distribution assembly may include two power distributors, one power distributor may be arranged on the upper part of the drum 11 through a distributor bracket 12, and the other power distributor may be arranged on the lower part of the drum 11 through another distributor bracket (not shown in the figure), and the two power distributors are respectively connected to a pulse transformer 20 through a waveguide.

[0081] In an illustrative embodiment, Figure 1 and Figure 3 As shown, each support frame 14 includes two mounting portions 141, and the two mounting portions 141 are disposed on the outer wall of the drum 11 along the x direction opposite to each other. Specifically, a bearing portion 142 is disposed between the lower ends of the two mounting portions 141.

[0082] In an illustrative embodiment, Figure 3 As shown, the mounting portion 141 is configured as a substantially "T"-shaped plate-like structure, the upper end of which is smaller in width can be directly or indirectly mounted on the outer wall of the drum 11 through other connecting members, and the lower end of which is wider is used to mount the bearing portion 142. In detail, the bearing portion 142 includes but is not limited to a substantially rectangular plate-like structure, the two opposite sides of which are mounted on the mounting portion 141 on the same side, such as Figure 3 The upper surface of the bearing portion 142 shown forms the first mounting surface mentioned above to carry the pulse transformer 20. The bearing portion 142 and the mounting portion 141 are connected by, but not limited to, riveting, welding, bolt connection, integral connection and any other methods.

[0083] Figure 4 yes Figure 3 A schematic diagram of a top view of an adjustment assembly of the exemplary embodiment shown.

[0084] In an illustrative embodiment, the pulse transformer 20 is connected to the power distribution component via a waveguide (not shown in the figure), so that the output end of the pulse transformer 20 can output a microwave signal to the power distribution component. The waveguide is suitable for guiding the conduction of the microwave signal to the power distribution component.

[0085] In an illustrative embodiment, the waveguide includes, but is not limited to, a hollow metal tube configured to have a circular, square, and elliptical cross-section. Since the waveguide is rigid, when the waveguide is used to connect the pulse transformer 20 to the power distribution assembly through the waveguide, there are precise requirements for the relative positions of the pulse transformer 20 and the power distribution assembly. However, when the carrier 14 is assembled with the drum 11, there must be an assembly error that is difficult to overcome, making it difficult to form a precise positioning between the pulse transformer 20 and the power distribution assembly, resulting in the inability of the pulse transformer 20 and the power distribution assembly to be effectively connected through the waveguide.

[0086] In view of this, refer to Figure 3 and Figure 4 As shown, according to an embodiment of the present disclosure, the frame for radiotherapy equipment further includes an adjustment component 16. The adjustment component 16 is disposed between the carrier 14 and the pulse transformer 20, and is adapted to adjust the position of the pulse transformer 20 relative to the power distribution component and to keep the pulse transformer 20 in the assembled position. In this way, the position of the pulse transformer 20 disposed on the carrier 14 can be adjusted by the adjustment component 16, for example, along the direction of Figure 3 The x-direction and / or y-direction shown are adjusted so that the distance between the pulse transformer 20 and the power distribution component is just enough to be connected via the waveguide.

[0087] According to the embodiments of the present disclosure, Figure 3 and Figure 4 As shown, the adjustment component 16 is disposed on the bearing portion 142 and is suitable for making the pulse transformer 20 translate along a direction parallel to the first mounting surface and / or move closer to or away from the drum 11 along a direction orthogonal to the first mounting surface.

[0088] According to the embodiments of the present disclosure, Figure 3 and Figure 4 As shown, the adjustment assembly 16 includes a moving plate 161 and a lifting member 163. The moving plate 161 is slidably disposed on the first mounting surface, and is suitable for translation along the first direction or the second direction. The lifting member 163 is disposed on the moving plate 161 and abuts against the first mounting surface, and is suitable for adjusting the distance between the moving plate 161 and the first mounting surface along the third direction. Among them, the pulse transformer 20 is mounted on the moving plate 161 to move synchronously with the moving plate 161.

[0089] According to the embodiments of the present disclosure, Figure 3 and Figure 4 As shown, the adjustment assembly 16 also includes a limiter, which is suitable for limiting the displacement of the movable plate 161 along the first direction and the second direction so that the pulse transformer 20 is maintained in the assembly position.

[0090] In an illustrative embodiment, Figure 3 and Figure 4As shown, the adjustment assembly 16 includes a moving plate 161, and the moving plate 161 is connected to the first mounting surface of the bearing portion 142 of the bearing frame 14 through a second screw 167. In detail, the moving plate 161 is as shown in FIG. Figure 3 As shown, mounting beams 162 are integrally provided at both ends in the x direction, and a larger distance between the two mounting beams 162 and the first mounting surface than between the moving plate 161 and the first mounting surface is provided to facilitate the installation of the lifting member 163 .

[0091] In an illustrative embodiment, Figure 3 and Figure 4 As shown, the adjustment assembly 16 includes a plurality of pairs of lifting members 163, and the two lifting members 163 in each pair are symmetrically arranged at the corners of the moving plate 161, that is, a lifting member 163 is arranged at each corner of the moving plate. The lifting member 163 includes an integrally formed screw and a ball head. It should be understood that the embodiments of the present disclosure are not limited thereto.

[0092] For example, the number of the lifting members 163 may also be set to 2, 3, 5, 6 or any other number.

[0093] For another example, the lifting member 163 may also be disposed in the middle or other positions of the movable plate 161 .

[0094] In an illustrative embodiment, Figure 3 and Figure 4 As shown, a ball is provided in the ball head of the lifting member 163 for rolling, and the ball is pressed against the first mounting surface. Figure 3 The movable plate 161 is extended in the y direction as shown, and is threadedly engaged with the mounting beam 162. In this way, the movable plate 161 can be slidably supported on the first mounting surface of the bearing portion 142 by the lifting member 163, so that the movable plate 161 can be translated relative to the first mounting surface, and the spacing between the movable plate 161 and the first mounting surface can be adjusted.

[0095] In an illustrative embodiment, Figure 3 and Figure 4 As shown, the bottom plate at the bottom of the pulse transformer 20 is fixed to the moving plate 161 by the first screw 166, so as to be integrally connected with the moving plate 161, so as to be translated or lifted along with the moving plate 161. With the participation of the above-mentioned lifting member 163, the pulse transformer 20 can adjust the relative position with the first mounting surface so as to be accurately connected with the waveguide, but in addition to the design requirement of realizing position adjustment, corresponding limiters need to be configured to keep the pulse transformer 20 and the power distribution assembly in the assembly position after they are connected, so as to prevent the two from being misaligned during the rotation of the drum 11.

[0096] In an illustrative embodiment, Figure 3and Figure 4 As shown in FIG. 1 , the stopper includes a top block 165, a top screw 164 disposed on the top block 165, and the aforementioned second screw 167. In detail, the top block 165 is arranged along the Figure 4 The movable plates 161 are arranged in pairs in the x-direction and the y-direction as shown. Furthermore, each top block 165 is connected to a top screw 164 by a thread, and the end of each top screw 164 presses against the edge of the movable plate 161, so that the position of the movable plate 161 relative to the bearing portion 142 is adjusted and locked by the part of the top screw 164 extending relative to the top block 165. Furthermore, although the lifting member 163 is connected to the assembly beam 162 by a thread, under the action of friction, it moves along the Figure 3 It has a certain limiting effect in the z direction as shown, but there is still a risk of relative movement under the action of the centrifugal force of the rotation of the drum 11. For this reason, in the embodiment of the present disclosure, the movable plate 161 and the bearing part 142 are further fixed by a second screw 167 to maintain their relative spacing.

[0097] Figure 5 yes Figure 1 The illustrated illustrative embodiment is a perspective view of a gantry for a radiotherapy device showing the support assembly and rollers.

[0098] According to the embodiments of the present disclosure, Figure 1 and Figure 2 As shown, the frame for radiotherapy equipment further includes a mounting plate 15, which is disposed on the outer wall of the second end of the drum 11 and extends outwardly along the radial direction of the drum 11. The beam assembly 30 is disposed on the mounting plate 15.

[0099] According to the embodiments of the present disclosure, Figure 1 and Figure 2 As shown, the frame for radiotherapy equipment includes a first mounting plate 151 and a second mounting plate 152. The first mounting plate 151 is arranged on the first side of the second end. The second mounting plate 152 is arranged on the second side of the second end opposite to the first side. The beam assembly 30 includes a plurality of beam modules 31, a part of the beam modules 31 is arranged on the first mounting plate 151, and another part of the beam modules 31 is arranged on the second mounting plate 152. Among them, the output ends of the beam modules 31 are all arranged facing the axis of the drum 11, so that the particle beam output by each beam module 31 converges at a point on the axis of the drum 11.

[0100] In an exemplary implementation, Figure 1 and Figure 2 As shown, each beam module 31 in the beam assembly 30 includes but is not limited to being constructed in the same structure. Such a modular design not only shortens the processing cycle of the beam module 31, but also makes it easy to match with the external structure, thereby improving the adaptability and interchangeability of the beam module 31.

[0101] In an illustrative embodiment, the beam modules 31 include a beam module base, a collimation mount, and a flange arranged opposite to the collimation mount. Furthermore, the beam module 31 at least includes a high-energy accelerating tube and a V-shaped collimation unit. The high-energy accelerating tube is installed on the beam module base, and its output end is located in the cavity formed by the beam module base. A flange is provided at the output end of the high-energy accelerating tube to accurately position the high-energy accelerating tube and the beam module base. The V-shaped collimation unit is arranged opposite to the collimation mount, and the other end of the collimation mount is arranged opposite to the beam module base. In this way, the charged ions accelerated by the high-energy accelerating tube can be accurately emitted after collimation.

[0102] According to the embodiments of the present disclosure, Figure 5 As shown, one side surface of the first mounting plate 151 and the second mounting plate 152 are coplanarly arranged to form a second mounting surface, and the beam assembly 30 is arranged on the second mounting surface.

[0103] According to the embodiments of the present disclosure, Figure 5 As shown, the first mounting plate 151 and / or the second mounting plate 152 are configured as a substantially fan-shaped structure.

[0104] According to the embodiments of the present disclosure, Figure 5 As shown, different numbers of beam modules 31 are disposed on the first mounting plate 151 and the second mounting plate 152 .

[0105] In an illustrative embodiment, Figure 5 As shown, the first mounting plate 151 is disposed at the upper end of the drum 11, and the second mounting plate 152 is disposed at the lower end of the drum 11. Figure 5 The first mounting plate 151 and the second mounting plate 152 are coplanarly arranged in a plane formed by the y direction and the z direction shown. In detail, the first mounting plate 151 and the second mounting plate 152 include but are not limited to a plate-like structure configured as a substantially fan-shaped structure. Further, a plurality of through holes are arranged on the first mounting plate 151 and the second mounting plate 152 at intervals along the extension direction of the arc. Each mounting hole corresponds to a beam module 31, and is suitable for accurately positioning the beam module 31 on the mounting plate along the circumferential direction.

[0106] In an illustrative embodiment, Figure 5 As shown, the curvature of the arc structure formed by the first mounting plate 151 is configured to be greater than the curvature of the arc structure formed by the second mounting plate 152. In detail, the number of through holes provided on the first mounting plate 151 is also correspondingly configured to be greater than the number of through holes provided on the second mounting plate 152. For example, three through holes may be provided on the first mounting plate 151, and two through holes may be provided on the second mounting plate 152, so that more beam modules 31 can be installed on the first mounting plate 151 along the circumferential direction of the drum 11 than on the second mounting plate 152.

[0107] In an illustrative embodiment, Figure 5 As shown, the first mounting plate 151 includes but is not limited to being provided with three beam modules 31. Further, the second mounting plate 152 includes but is not limited to being provided with two beam modules 31. The particle rays output by each beam module 31 converge on the axis of the drum 11. It should be understood that the embodiments of the present disclosure are not limited thereto.

[0108] For example, according to another embodiment of the present disclosure, which is not shown in the figures, the same number of beam modules 31 are disposed on the first mounting plate 151 and the second mounting plate 152 .

[0109] For another example, the beam module 31 is only disposed on the first mounting plate 151 or the second mounting plate 152 , and a counterweight is disposed on the other mounting plate.

[0110] The positions and quantities of the beam modules 31 arranged on the first mounting plate 151 and the second mounting plate 152 should be suitable to meet the dose requirement of the particle beam required for treatment.

[0111] According to the embodiments of the present disclosure, Figure 5 As shown, the support assembly 13 includes a base 132 and two legs 131. The base 132 is configured as a pry-type structure. The two legs 131 are arranged at two opposite ends of the base 132, and the roller 11 is rotatably arranged between the two legs 131.

[0112] In an illustrative embodiment, Figure 5 As shown, the base 132 includes a crossbeam and a longitudinal beam, which are connected in sequence to form a skid-type structure. Furthermore, two legs 131 are relatively mounted on the two crossbeams or longitudinal beams. Furthermore, the first and second axial ends of the drum 11 are rotatably mounted on the legs 131. In order to ensure smooth rotation of the drum 11 relative to the legs 131, bearings need to be arranged between the drum 11 and the legs 131. In addition, in order to facilitate the transportation of the radiotherapy equipment rack and the ultra-high dose rate radiotherapy equipment, a hanging ring 133 can also be set on the base 132.

[0113] According to the embodiments of the present disclosure, Figure 5 As shown, the frame for radiotherapy equipment further includes a driving assembly 17. The driving assembly 17 is suitable for driving the roller 11 to rotate around the axis.

[0114] According to the embodiments of the present disclosure, Figure 5 As shown, the driving assembly 17 includes a ring gear 171 and a driving portion 172. The ring gear 171 is coaxially arranged on the outer wall of the first end of the drum 11. The driving portion 172 is transmission-connected to the ring gear 171 and is suitable for outputting torque to the ring gear 171.

[0115] According to the embodiments of the present disclosure, Figure 5 As shown, the frame for radiotherapy equipment further includes a brake assembly. The brake assembly is suitable for limiting the further rotation of the roller 11.

[0116] In an illustrative embodiment, Figure 5 As shown, the driving part includes a motor, a coupling and a reducer, and the brake assembly includes an electromagnetic brake. The output shaft of the motor is connected to the electromagnetic brake and the reducer through the coupling, and the output end of the reducer is connected to the pinion gear arranged on the support leg 131 through a synchronous belt, and the pinion gear is meshed with the ring gear 171 arranged on the roller 11 to drive the roller 11 to rotate around the axis. Among them, the synchronous belt is also equipped with a tensioning device to maintain the stability of the driving process. In addition, compared with the chain drive method, the use of synchronous belt drive is also conducive to reducing noise and improving transmission efficiency to meet the design requirements of ultra-high dose rate radiotherapy equipment. Furthermore, the frame 10 for radiotherapy equipment can also be equipped with a proximity switch, which is connected to the electromagnetic brake in communication to actively brake the roller 11 when the roller rotates beyond a preset angle. The above-mentioned preset angle includes but is not limited to ±180°.

[0117] According to the embodiments of the present disclosure, Figure 5 As shown, the frame for radiotherapy equipment further includes a detection component 18. The detection component 18 is suitable for detecting the rotation speed and / or circumferential position of the roller 11.

[0118] In an exemplary embodiment, the detection component 18 includes but is not limited to an encoder. Specifically, the encoder is disposed on a leg 131. Furthermore, a code disc suitable for being detected by the leg 131 is also disposed on the outer wall of the drum 11 to detect the rotation angle of the drum 11 in real time.

[0119] The present disclosure also provides a radiotherapy device, comprising: a frame for the radiotherapy device, a beam assembly and a power distribution assembly, wherein the beam assembly and the power distribution assembly are arranged on a roller of the frame for the radiotherapy device to rotate synchronously with the roller.

[0120] It should also be noted that the directional terms mentioned in the embodiments, such as "upper", "lower", "front", "back", "left", "right", etc., are only for reference to the drawings and are not intended to limit the scope of protection of the present disclosure. Throughout the drawings, the same elements are represented by the same or similar reference numerals. Conventional structures or configurations will be omitted when they may cause confusion in the understanding of the present disclosure.

[0121] The embodiments of the present disclosure are described above. However, these embodiments are only for illustrative purposes and are not intended to limit the scope of the present disclosure. Although the embodiments are described above separately, this does not mean that the measures in the various embodiments cannot be used in combination to advantage. The scope of the present disclosure is defined by the attached claims and their equivalents. Without departing from the scope of the present disclosure, those skilled in the art may make a variety of substitutions and modifications, which should all fall within the scope of the present disclosure.

Claims

1. A frame for radiotherapy equipment, characterized in that: include: Support assembly; The drum is configured as a horizontal structure and has a first end and a second end in an axial direction, wherein the first end and the second end are rotatably disposed on the support assembly; as well as The support frame is arranged on the outer wall of the first end and is suitable for supporting an external pulse transformer so that the pulse transformer rotates synchronously with the drum.

2. The rack according to claim 1, characterized in that: The drum is also suitable for mounting an external beam assembly and a power distribution assembly, so that the beam assembly and the power distribution assembly rotate synchronously with the drum; Wherein, the beam assembly is arranged on the outer side of the second end, and the power distribution assembly is arranged on the outer wall of the drum between the first end and the second end.

3. The rack according to claim 2, characterized in that: It also includes an adjustment component, which is arranged between the support frame and the pulse transformer and is suitable for adjusting the position of the pulse transformer relative to the power distribution component and keeping the pulse transformer in the assembly position.

4. The rack according to claim 3, characterized in that: The carrier frame comprises: A mounting portion is disposed on the outer wall of the drum and extends outwardly in the radial direction of the drum; and The bearing portion is arranged at an end of the mounting portion away from the drum and forms a first mounting surface parallel to the axis of the drum.

5. The rack according to claim 4, characterized in that: The adjustment component is arranged on the bearing portion, and is suitable for making the pulse transformer translate along a direction parallel to the first mounting surface and / or move closer to or away from the roller along a direction orthogonal to the first mounting surface.

6. The frame according to claim 5, characterized in that: The adjustment component comprises: a movable plate, slidably disposed on the first mounting surface, adapted to translate along a first direction or a second direction; and A lifting member, disposed on the movable plate and abutting against the first mounting surface, and adapted to adjust the distance between the movable plate and the first mounting surface along a third direction; Wherein, the pulse transformer is mounted on the moving plate to move synchronously with the moving plate.

7. The rack according to claim 6, characterized in that: The adjustment assembly also includes a limiter, which is suitable for limiting the displacement of the movable plate along the first direction and the second direction so that the pulse transformer is maintained at the assembly position.

8. The frame according to claim 2, characterized in that: It also includes a mounting plate, which is disposed on the outer wall of the second end of the drum and extends outwardly in the radial direction of the drum; The beam assembly is arranged on the mounting plate.

9. The frame according to claim 8, characterized in that: include: a first mounting plate disposed on a first side of the second end; as well as a second mounting plate disposed on a second side of the second end opposite to the first side; The beam assembly includes a plurality of beam modules, a portion of the beam modules are arranged on the first mounting plate, and another portion of the beam modules are arranged on the second mounting plate; Wherein, the output ends of the beam modules are arranged facing the axis of the drum, so that the particle beam output by each beam module converges at a point on the axis of the drum.

10. The frame according to claim 9, characterized in that: The first mounting plate and one side surface of the second mounting plate are coplanarly arranged to form a second mounting surface, and the beam assembly is arranged on the second mounting surface.

11. The frame according to claim 9, characterized in that: The first mounting plate and / or the second mounting plate are configured as a substantially fan-shaped structure.

12. The frame according to claim 9, characterized in that: Different numbers of the beam modules are arranged on the first mounting plate and the second mounting plate.

13. The frame according to claim 9, characterized in that: The same number of beam modules are arranged on the first mounting plate and the second mounting plate.

14. The frame according to any one of claims 1 to 13, characterized in that: The support assembly comprises: a base configured as a skid-type structure; and Two supporting legs are arranged at two opposite ends of the base, and the roller is rotatably arranged between the two supporting legs.

15. The frame according to any one of claims 1 to 13, characterized in that: Also included is a driving assembly, which is suitable for driving the drum to rotate around an axis.

16. The frame according to claim 15, characterized in that The drive assembly comprises: a ring gear coaxially disposed on an outer wall of the first end of the drum; and The driving part is drivingly connected to the ring gear and is suitable for outputting torque to the ring gear.

17. The frame according to any one of claims 1 to 13, characterized in that: It also includes a detection component suitable for detecting the rotation speed and / or circumferential position of the drum.

18. The frame according to any one of claims 1 to 13, characterized in that: Also included is a brake assembly adapted to limit further rotation of the drum.

19. A radiotherapy device, characterized in that: include: A gantry for radiotherapy equipment as claimed in any one of claims 1 to 18; beam assembly and power distribution assembly; Wherein, the beam assembly and the power distribution assembly are arranged on a roller of the frame of the radiotherapy equipment so as to rotate synchronously with the roller.

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