A multi-directional adjustable beam applicator system device

By designing a multi-directional adjustable beam applicator system device, the problem of insufficient beam adjustment in the existing technology is solved, multi-angle and all-round adjustment of the beam is achieved, and the effect and efficiency of radiation therapy are improved.

CN109939366BActive Publication Date: 2025-01-24SHANGHAI PROTON HEAVY ION HOSPITAL CO LTD
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Patent Information

Application Number
CN201910244282.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-03-28
Publication Date
2025-01-24
Estimated Expiration
2039-03-28

AI Technical Summary

Technical Problem

When using energy stacking and intensity-modulating scanning systems in existing radiotherapy equipment, it is difficult to meet the needs of multi-angle and all-round beam regulation, resulting in the expansion of the penumbra of the beam, affecting the dose distribution and treatment effect.

Method used

Designed a multi -directional bouquet -flowing device system, including the bundle flowing device and the adjustment base. The bundle -flowing caster is equipped with a fiber plastic filter board, a reflector lens, a metal filter plate and a limited tube device, and adjusts the adjustment. The base contains the Y direction of the adjustment device, the multi -angle adjustment structure, the Z direction of the adjustment device, and the X -directional adjustment device to realize the multi -angle adjustment of the beam flowing device.

Benefits of technology

Through a multi -directional bouquet flow appliance system device, it can flexibly adjust the bundle flow, meet the needs of special patients, improve the dose distribution and treatment effect of ray therapy. At the same time, it occupies a small volume, which is suitable for the limitations of medical space.

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Abstract

The invention discloses a multi-directional adjustable beam applicator system device, comprising a beam applicator and an adjustment base. The beam applicator is provided with a beam filter plate insert structure, and the beam applicator is installed with a fiber plastic filter plate, a reflective refractor, a metal filter plate and a beam limiting tube device. The fiber plastic filter plate and the reflective refractor in the beam applicator can be adjusted through the filter plate insert structure, and the energy of the radiation ion beam is adjusted through the combination of one or more beam filter plates to meet the needs of special patients and achieve the best effect of radiation therapy. The beam applicator meets the needs of multi-angle and all-round adjustment through a Y-direction adjustment device, a multi-angle adjustment structure, a Z-direction adjustment device and an X-direction adjustment device, and a plurality of adjustment mechanisms are closely connected to each other and work independently, thereby ensuring the adjustment accuracy while occupying a small volume to meet the limitations of medical space during use. The invention has a simple structure, strong practicality, and is easy to use and popularize.
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Description

Technical Field

[0001] The invention relates to the medical field, in particular to a multi-directional adjustable beam applicator system device. Background Art

[0002] The beam delivery system of radiotherapy equipment usually includes one or more beam applicators to install different equipment to meet the dosage requirements of different patients. These equipment include but are not limited to: primary collimators for lateral adjustment of beam, customized stops, range modulators for longitudinal adjustment of uniform thickness of beam, non-uniform two-dimensional range modulation compensators, ridge filters, positioning crosshairs, reflectors for aligning the radiation field, detectors for monitoring beam, and sealed terminals.

[0003] In recent years, the energy stacking and intensity modulated scanning systems that have been gradually developed have used less of the above physical equipment due to the use of energy modulation and point-by-point scanning. For example, the Siemens particle transmission system does not need to use physical equipment to change the shape of the radiation field, but due to the settings of the image matching system and the patient positioning system, the actual position of the patient is a certain distance away from the terminal of the beam outlet of the head, and this distance may aggravate the expansion of the beam penumbra. Therefore, it is necessary to add a beam applicator and a three-dimensional compensator between the beam outlet of the head and the patient to better improve the dose distribution and perform radiotherapy on the patient. Summary of the invention

[0004] The object of the present invention is to provide a multi-directionally adjustable beam applicator system device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A multi-directional adjustable beam applicator system device comprises a beam applicator and an adjustment base, wherein the beam applicator is fixedly mounted on the upper end of the adjustment base, a beam filter plate insert structure is provided in the beam applicator, the beam applicator is installed with a fiber plastic filter plate, a reflective refracting mirror, a metal filter plate and a beam limiting tube device, the adjustment base comprises a Y-direction adjustment device, a multi-angle adjustment structure, a Z-direction adjustment device and an X-direction adjustment device, the beam applicator is fixedly mounted on the upper end of the Y-direction adjustment device, a multi-angle adjustment structure is provided at the lower end of the Y-direction adjustment device, a Z-direction adjustment device is installed at the lower end of the multi-angle adjustment structure, and the Z-direction adjustment device is fixedly mounted on the X-direction adjustment device.

[0007] As a further solution of the present invention: the beam applicator is provided with a support at its lower end, one side of the beam applicator is provided with a beam limiting tube baffle, and the other side is open, a slot No. 1, a slot No. 2, a slot No. 3, a slot No. 4 and a slot No. 5 are provided in the beam applicator, the slot No. 1, slot No. 2, slot No. 3, slot No. 4 and slot No. 5 are all vertical slots and are interconnected from left to right and are distributed in the beam limiting tube body, a fiber plastic filter plate is installed in the slot No. 1 and the slot No. 2, a reflective refracting mirror is installed in the slot No. 3, a metal filter plate is installed in the slot No. 4 and the slot No. 5, and a beam limiting tube device is installed at the right end of the beam applicator.

[0008] As a further solution of the present invention: the beam limiting tube device comprises a beam limiting tube mounting seat and a beam limiting tube, the beam limiting tube is mounted in the beam applicator body via the beam limiting tube mounting seat, and the beam limiting tube mounting seat is equipped with an adjustment rod.

[0009] As a further solution of the present invention: the material of the fiber plastic filter plate is plastic fiber, and the material of the metal filter plate is alloy steel.

[0010] As a further solution of the present invention: the fiber plastic filter plate and the metal filter plate are both installed in corresponding slots on the beam applicator through a filter plate bracket, and the filter plate bracket includes a filter plate frame, and the filter plate frame is a rectangular frame body whose size matches the slot in the beam applicator body, and the filter plate frame is provided with an installation inner frame that matches the filter plate body of the fiber plastic filter plate and the metal filter plate, and the upper and lower ends of the installation inner frame are provided with inwardly recessed frame steps, and the upper and lower ends of the filter plate body of the fiber plastic filter plate and the metal filter plate are provided with plate body steps that match the frame steps, and the plate body steps and the frame steps are interconnected mounting holes.

[0011] As a further solution of the present invention: the reflective refracting mirror includes an upper fixed slider, a lower fixed slider and a reflective lens, the upper fixed slider and the lower fixed slider are respectively located at the upper and lower ends of the reflective lens, and the distance between the upper fixed slider and the lower fixed slider is the same as the height of the third slot.

[0012] As a further solution of the present invention: the Y-axis adjustment device includes two parallel guide rails, a plurality of supporting beams are provided between the guide rails, and slide rails are provided on the two guide rails. Two fixed seats are installed on the beam between the guide rails, and the fixed seats are respectively located at the two ends of the guide rails. A screw rod is installed on the fixed seat, and the screw rod is connected to the output end of the motor installed between the guide rails. A threaded sleeve matching the screw rod is installed on the screw rod, and the threaded sleeve is fixedly connected to a connecting block. The upper end of the connecting block is fixedly connected to a rectangular carrier plate, and the lower ends of the four corners of the rectangular carrier plate are connected to sliders, which are installed in the slide rails on the guide rails. The upper end of the rectangular carrier plate is fixedly connected to a beam applicator support. The Z-axis adjustment device and the X-axis adjustment device have the same motion structure as the Y-axis adjustment device.

[0013] As a further solution of the present invention: the multi-angle adjustment structure includes an angle adjustment support plate No. 1, an angle adjustment support plate No. 2 and an angle adjustment support plate No. 3, the lower end of the angle adjustment support plate No. 1 is connected to a universal end face bearing No. 1, one side of the lower end of the angle adjustment support plate No. 1 is connected to a universal support rod, the lower end of the universal support rod is connected to a turbine electric telescopic rod, the lower end of the angle adjustment support plate No. 2 is connected to a universal end face bearing No. 2, one side of the lower end of the angle adjustment support plate No. 2 is connected to the universal support rod, the lower end of the universal support rod is connected to the turbine electric telescopic rod, the lower end of the angle adjustment support plate No. 3 is provided with a servo motor, and the center of the angle adjustment support plate No. 3 is connected to the output end of the servo motor through gears and bearings.

[0014] As a further solution of the present invention: the lower ends of the filter plate frame and the lower fixed slide block are provided with V-shaped grooves, and the bottoms of the No. 1 slot, the No. 2 slot, the No. 3 slot, the No. 4 slot and the No. 5 slot are provided with protruding V-shaped grooves.

[0015] As a further solution of the present invention: the upper ends of the filter plate frame and the upper fixed slider are provided with V-shaped protrusions, the tops of slots No. 1, No. 2, No. 3, No. 4 and No. 5 are provided with filter plate straightening blocks, the upper ends of the filter plate straightening blocks are connected with clamping adjustment bolts, and the clamping adjustment bolts pass through the screw holes on the beam applicator to connect the filter plate straightening blocks.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: a beam filter plate insert structure is provided in the beam applicator, and a beam limiting tube is installed with a fiber plastic filter plate, a reflective refracting mirror, a metal filter plate and a filter tube device; the fiber plastic filter plate and the reflective refracting mirror in the beam limiting tube can be flexibly adjusted through the filter plate insert structure; the energy of the radiation ion beam is weakened through the combination of one or more beam filter plates to meet the needs of special patients and achieve the best effect of radiation therapy; the beam applicator meets the needs of multi-angle and all-round adjustment through the Y-axis adjustment device, the multi-angle adjustment structure, the Z-axis adjustment device and the X-axis adjustment device; and the multiple adjustment mechanisms are closely connected to each other and work independently, which ensures the adjustment accuracy while occupying a smaller volume, meets the limitations of the medical space during use, and is conducive to the stable development of radiation therapy for auxiliary patients. The present invention has a simple structure, strong practicality, and is easy to use and promote. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A side view of a multi-directionally adjustable beam applicator system.

[0018] Figure 2 It is a front view of the multi-directional adjustable beam applicator system device.

[0019] Figure 3 It is a schematic diagram of the structure of a beam applicator support in a multi-directionally adjustable beam applicator system.

[0020] Figure 4 It is a schematic diagram of the structure of the beam applicator in the multi-directionally adjustable beam applicator system.

[0021] Figure 5 It is a schematic diagram of the structure of the filter plate frame in the multi-directional adjustable beam applicator system.

[0022] Figure 6 A side view of a filter plate frame in a multi-directionally adjustable beam applicator system.

[0023] Figure 7 It is a schematic diagram of the structure of the filter plate in the multi-directional adjustable beam applicator system.

[0024] Figure 8 A side view of a filter plate in a multi-directionally adjustable beam applicator system.

[0025] Fig. 9 It is a schematic diagram of the structure of the reflective refracting mirror in the multi-directional adjustable beam applicator system.

[0026] Fig.10 It is a schematic diagram of the structure of the multi-angle adjustment mechanism in the multi-directionally adjustable beam applicator system.

[0027] Fig.11 It is a schematic diagram of the structure of the Y-axis adjustment device in the multi-directionally adjustable beam applicator system.

[0028] Wherein: beam applicator 1, Y-axis adjustment device 2, multi-angle adjustment mechanism 3, Z-axis adjustment device 4, X-axis adjustment device 5, fixed foot 6, beam applicator baffle 7, beam applicator body 8, beam applicator support 9, screw hole 10, filter plate straightening block 11, clamping adjustment bolt 12, adjustment rod 13, beam limiting tube mounting seat 14, beam limiting tube 15, No. 1 slot 16, No. 2 slot 17, No. 3 slot 18, No. 4 slot 19, No. 5 slot 20, V-shaped slot 21, fiber plastic filter plate 22, fiber plastic filter plate 22, reflective refractor 23, metal filter plate 24 , angle adjustment support plate No. 1 26, angle adjustment support plate No. 2 27, universal end bearing No. 2 28, angle adjustment support plate No. 3 29, universal support rod 30, frame step 31, frame V-shaped protrusion 32, frame handle 33, V-shaped groove 34, plate step 35, filter plate body 36, mounting hole 37, motor 38, slide rail 39, guide rail 40, screw rod 41, thread sleeve 42, connecting block 43, slider 44, fixed seat 45, turbine electric telescopic rod 46, filter plate frame 47, reflective lens 48, reflective lens handle 49, upper fixed slider 50, lower fixed slider 51. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Embodiment 1:

[0031] See also Figures 1 to 11In an embodiment of the present invention, a multi-directionally adjustable beam applicator system device includes a beam applicator 1 and an adjustment base, wherein the beam applicator 1 is fixedly mounted on the upper end of the adjustment base, a beam filter plate insert structure is provided in the beam applicator 1, and the beam applicator 1 is installed with a fiber plastic filter plate 22, a reflective refractor 23, a metal filter plate 24 and a beam limiting tube device, and the fiber plastic filter plate 22 and the reflective refractor 23 in the beam applicator 1 can be flexibly adjusted through the filter plate insert structure, and the energy of the radiation ion beam is weakened through the combination of one or more beam filter plates to meet the needs of special patients and achieve the best effect of radiation therapy, and the adjustment base includes a Y-direction adjustment device 2, a multi-angle adjustment structure 3, a Z-direction adjustment device 4 and an X-direction adjustment device 5, wherein the beam applicator 1 is fixedly mounted on the upper end of the Y-direction adjustment device 2, a multi-angle adjustment structure 3 is provided at the lower end of the Y-direction adjustment device 2, a Z-direction adjustment device 4 is installed at the lower end of the multi-angle adjustment structure 3, and the Z-direction adjustment device 4 is fixedly mounted on the upper end of the Y-direction adjustment device 2 Installed on the X-direction adjustment device 5, the Y-direction adjustment device 2, the multi-angle adjustment structure 3, the Z-direction adjustment device 4 and the X-direction adjustment device 5 all work independently. The Y-direction adjustment device 2, the Z-direction adjustment device 4 and the X-direction adjustment device 5 realize the adjustment of the beam applicator in the X-direction, Y-direction and Z-direction, so that the beam applicator 1 at the upper end of the Y-direction adjustment device 2 can be adjusted in all directions. The multi-angle adjustment structure 3 realizes the multi-angle adjustment of the beam applicator 1. When the beam applicator 1 is adjusted to a position suitable for the patient's lesion, the multi-angle adjustment structure 3 adjusts the beam applicator 1 to a suitable angle to perform accurate radiation therapy. The Y-direction adjustment device 2, the multi-angle adjustment structure 3, the Z-direction adjustment device 4 and the X-direction adjustment device 5 enable the beam applicator 1 to meet the requirements of multi-angle and all-round adjustment. Moreover, the multiple adjustment mechanisms are closely connected to each other and work independently, which ensures the adjustment accuracy while occupying a smaller volume, meets the limitations of the medical space during use, and is conducive to the stable development of radiation therapy for auxiliary patients.

[0032] The beam applicator 1 comprises a beam applicator body 8, a beam applicator support 9 is provided at the lower end of the beam applicator body 8, a beam applicator baffle 7 is provided on one side of the beam applicator body 8, and the other side is open, and a slot No. 16, a slot No. 2, a slot No. 3, a slot No. 18, a slot No. 4, a slot No. 19 and a slot No. 5, 20 are provided inside the beam applicator body 8, and the slot No. 16, the slot No. 2, the slot No. 3, the slot No. 18, the slot No. 4, the slot No. 19 and the slot No. 5, 20 are all vertical slots and are interconnected from left to right and are distributed in the beam applicator 1, a fiber plastic filter plate 22 is installed in the slot No. 16 and the slot No. 2, the reflective refraction mirror 23 is installed in the slot No. 3, the metal filter plate 20 is installed in the slot No. 4, the slot No. 19 and the slot No. 5, 20, and the right end of the beam applicator body 8 is installed. A beam limiting tube device, the beam limiting tube device includes a beam limiting tube mounting seat 14 and a beam limiting tube 15, the beam limiting tube 15 is installed in the beam applicator body 8 through the tube mounting seat 14, the beam limiting tube mounting seat 14 is installed with an adjusting rod 13, and the beam limiting tube mounting seat 14 and the beam limiting tube 15 installed in the beam applicator body 8 can be rotatably mounted through the adjusting rod 13, so as to adjust the beam limiting tube device. When working, the left end of the beam applicator 1 is connected to the ray generating device, the ray enters from the left end of the beam applicator 1 and is emitted from the right end of the beam applicator 1. By adjusting the beam filter plates on the multiple slots in the beam applicator body 8, the weakening effect of the ray ion beam can be easily and effectively adjusted, so that the appropriate weakening intensity can be adjusted for different special patients, so that the radiation treatment is in the best state.

[0033] The fiber plastic filter plate 22 is made of plastic fiber, and the metal filter plate 24 is made of alloy steel. The fiber plastic filter plate 22 and the metal filter plate 24 are both installed in corresponding slots on the beam applicator 1 through a filter plate bracket. The filter plate bracket includes a filter plate frame 47, and the filter plate frame 47 is a rectangular frame body whose size matches the slot in the beam applicator body 8. The filter plate frame 47 is provided with an installation inner frame that matches the filter plate body 36 of the fiber plastic filter plate 22 and the metal filter plate 24. The upper and lower parts of the installation inner frame are An inwardly recessed frame step 31 is provided at the end, and the upper and lower ends of the filter plate body 36 of the fiber plastic filter plate 22 and the metal filter plate 24 are provided with plate body steps 35 that fit with the frame step 31. The plate body step 35 and the frame step 31 are interconnected with mounting holes 37. The fiber plastic filter plate 22, the metal filter plate 24 and the filter plate bracket are fixed by installing screws in the mounting holes 37. The right end of the filter plate frame 47 is fixedly installed with a frame handle 33, and the frame handle 33 is used to facilitate the adjustment operation of the filter plate frame 47 and the filter plate.

[0034] The reflective refractor 23 includes an upper fixed slider 50, a lower fixed slider 51 and a reflective lens 48, wherein the upper fixed slider 50 and the lower fixed slider 51 are respectively located at the upper and lower ends of the reflective lens 48, and the distance between the upper fixed slider 50 and the lower fixed slider 51 is the same as the height of the No. 3 slot 18, so that the reflective lens 48 is installed in the No. 3 slot 18 of the beam applicator body 8 through the upper fixed slider 50 and the lower fixed slider 51, and the right end of the lower fixed slider 51 is connected to the reflective lens handle 49, which facilitates the adjustment operation of the reflective refractor 23.

[0035] The filter plate frame 47 and the lower fixed slide block 51 are provided with inclined chamfers at the lower left ends to facilitate the filter plate frame 47 and the lower fixed slide block 51 to be inserted into the corresponding slots of the beam applicator body 8 .

[0036] The Y-axis adjustment device 2 includes two parallel guide rails 40, a plurality of supporting beams are arranged between the guide rails 40, and slide rails 39 are arranged on the two guide rails 40. Two fixing seats 45 are installed on the beam between the guide rails 40. The fixing seats 45 are respectively located at the two ends of the guide rails 40. A screw rod 41 is installed on the fixing seat 45. The screw rod 41 is connected to the output end of the motor 38 installed between the guide rails 40. A threaded sleeve 42 matching with the screw rod 41 is installed on the screw rod 41. The threaded sleeve 42 is fixedly connected to the connecting block 43. The upper end of the connecting block 43 is fixedly connected to a rectangular shaped loading plate, the lower ends of the four corners of the rectangular loading plate are connected to sliders 44, the sliders 44 are installed in the slide rails 39 on the guide rails 40, and the upper end of the rectangular loading plate is fixedly connected to the beam applicator support 9. When Y-axis adjustment is required, the motor 38 drives the screw rod 41 to rotate, and the screw sleeve 42 drives the connecting block 43 and the loading plate to move along the direction of the screw rod 41 through the action of the screw sleeve. The four sliders 44 in the slide rails 39 follow the movement of the loading plate to play a role of stable support, so that the beam limiting cylinder 1 on the loading plate moves in the Y direction to achieve Y-axis adjustment.

[0037] The Z-direction adjusting device 4 and the X-direction adjusting device 5 have the same motion structure as the Y-direction adjusting device 2, which will not be described again. The Z-direction adjusting device 4 and the X-direction adjusting device 5 are used to respectively realize the adjustment in the Z-direction and the X-direction.

[0038] The multi-angle adjustment structure 3 includes a No. 1 angle adjustment support plate 26, a No. 2 angle adjustment support plate 27 and a No. 3 angle adjustment support plate 29. The lower end of the No. 1 angle adjustment support plate 26 is connected to the No. 1 universal end bearing 25. One side of the lower end of the No. 1 angle adjustment support plate 26 is connected to the universal support rod 30. The lower end of the universal support rod 30 is connected to the turbine electric telescopic rod 46. When the turbine electric telescopic rod 46 is telescopic, the No. 1 angle adjustment support plate 26 is deflected around the No. 1 universal end bearing 25 through the universal support rod 30, thereby realizing the adjustment of the X-axis angle. The lower end of the No. 2 angle adjustment support plate 27 is connected to the No. 2 universal end bearing 25. Universal end face bearing 28, one side of the lower end of the second angle adjustment support plate 27 is connected to the universal support rod, and the lower end of the universal support rod is connected to the turbine electric telescopic rod. The principle is the same as the lower end mechanism of the No. 1 angle adjustment support plate 26 to achieve Y-axis scheduling adjustment. The lower end of the No. 3 angle adjustment support plate 29 is provided with a servo motor, and the center of the No. 3 angle adjustment support plate 29 is connected to the output end of the servo motor through gears and bearings (not marked in the figure). When the servo motor is working, it drives the No. 3 angle adjustment support plate 29 to rotate, thereby achieving Z-axis angle adjustment, thereby achieving multi-angle adjustment of the beam applicator system device through the multi-angle adjustment structure 3.

[0039] A set of fixed feet 6 are installed at the lower end of the X-axis adjustment device 5, and the fixed feet 6 are used to adjust the base and the beam applicator for effective and stable support, thereby ensuring the stability of the beam applicator system during operation.

[0040] Embodiment 2:

[0041] See also Figures 1 to 11 The embodiment of the present invention is based on the embodiment 1, and the function of a multi-directional adjustable beam applicator system device is upgraded, specifically:

[0042] The lower ends of the filter plate frame 47 and the lower fixed slide block 51 are provided with V-shaped grooves 34, and the bottoms of the No. 1 slot 16, the No. 2 slot 17, the No. 3 slot 18, the No. 4 slot 19 and the No. 5 slot 20 are provided with protruding V-shaped grooves 21. Through the cooperation of the V-shaped grooves 21 and the V-shaped grooves 34, the filter plate is conveniently positioned and clamped in the center to eliminate gaps, which greatly improves the accuracy.

[0043] The upper ends of the filter plate frame 47 and the upper fixed slider 50 are provided with V-shaped protrusions, and the tops of the No. 1 slot 16, the No. 2 slot 17, the No. 3 slot 18, the No. 4 slot 19 and the No. 5 slot 20 are provided with filter plate straightening blocks 11, and the upper ends of the filter plate straightening blocks 11 are connected with clamping adjustment bolts 12, and the clamping adjustment bolts 12 pass through the screw holes 10 on the beam applicator body 8 to connect with the filter plate straightening blocks 11. The respective filter plates in the beam applicator body 8 are further fixed in the center by the clamping adjustment bolts 12 and the filter plate straightening blocks 11, thereby improving the fixing quality of the filter plates and ensuring the effective operation of the beam applicator.

[0044] It should be specially noted that the turbine electric telescopic rod 46 and the motor 38 in the present application are applications of the prior art. A beam applicator 1 and an adjustment base are provided in the present application. The beam applicator 1 is fixedly mounted on the upper end of the adjustment base. A beam filter plate insert structure is provided in the beam applicator 1. The beam applicator 1 is equipped with a fiber plastic filter plate 22, a reflective refractor 23, a metal filter plate 24 and a filter cartridge device. The fiber plastic filter plate 22 and the reflective refractor 23 in the beam applicator 1 can be flexibly adjusted through the filter plate insert structure. The energy of the radiation ion beam is weakened through the combination of one or more beam filter plates to meet the needs of special patients and achieve the best effect of radiation therapy. The adjustment base includes a Y-direction adjustment device 2, a multi-angle adjustment structure 3, a Z-direction adjustment device 4 and an X-direction adjustment device 5. The beam applicator 1 is fixedly mounted on the upper end of the Y-direction adjustment device 2. The lower end of the Y-direction adjustment device 2 is equipped with a multi-angle adjustment structure 3. The lower end of the multi-angle adjustment structure 3 is equipped with a Z-direction adjustment device 4. The adjustment device 4 is fixedly mounted on the X-axis adjustment device 5. The Y-axis adjustment device 2, the multi-angle adjustment structure 3, the Z-axis adjustment device 4 and the X-axis adjustment device 5 all work independently. The Y-axis adjustment device 2, the Z-axis adjustment device 4 and the X-axis adjustment device 5 realize the adjustment of the beam applicator in the X-axis, Y-axis and Z-axis directions, so that the beam applicator 1 at the upper end of the Y-axis adjustment device 2 can be adjusted in multiple directions. The multi-angle adjustment structure 3 realizes the multi-angle adjustment of the beam applicator 1. When the beam applicator 1 is adjusted to a suitable position for the patient's lesion, the multi-angle adjustment structure 3 is used to adjust the beam applicator 1 to a suitable angle for accurate radiation therapy. The Y-axis adjustment device 2, the multi-angle adjustment structure 3, the Z-axis adjustment device 4 and the X-axis adjustment device 5 enable the beam applicator 1 to meet the requirements of multi-angle and all-round adjustment. Moreover, the multiple adjustment mechanisms are closely connected to each other and work independently. While ensuring the adjustment accuracy, they occupy a smaller volume, meet the limitations of the medical space during use, and are conducive to the stable development of radiation therapy for auxiliary patients.

[0045] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0046] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A multi-directionally adjustable beam applicator system device, comprising a beam applicator (1) and an adjustment base, characterized in that: The beam applicator (1) is fixedly mounted on the upper end of the adjustment base, a beam filter plate insert structure is provided in the beam applicator (1), a fiber plastic filter plate (22), a reflective refractor (23), a metal filter plate (24) and a filter cartridge device are installed on the beam applicator (1), the adjustment base comprises a Y-direction adjustment device (2), a multi-angle adjustment structure (3), a Z-direction adjustment device (4) and an X-direction adjustment device (5), the beam applicator (1) is fixedly mounted on the upper end of the Y-direction adjustment device (2), a multi-angle adjustment structure (3) is provided at the lower end of the Y-direction adjustment device (2), a Z-direction adjustment device (4) is installed at the lower end of the multi-angle adjustment structure (3), and the Z-direction adjustment device (4) is fixedly mounted on the X-direction adjustment device (5); The beam applicator (1) comprises a beam applicator body (8), a beam applicator support (9) is provided at the lower end of the beam applicator body (8), a beam applicator baffle (7) is provided on one side of the beam applicator body (8), and the other side is open, and a first slot (16), a second slot (17), a third slot (18), a fourth slot (19) and a fifth slot (20) are provided in the beam applicator body (8), wherein the first slot (16), the second slot (17), the third slot (18), the fourth slot (19) and the fifth slot (20) are provided. The slot (18), the fourth slot (19) and the fifth slot (20) are all vertical slots and are interconnected from left to right and are distributed in the beam applicator body (8). The first slot (16) and the second slot (17) are equipped with a fiber plastic filter plate (22), the third slot (18) is equipped with a reflective refraction mirror (23), the fourth slot (19) and the fifth slot (20) are equipped with the fifth slot (20), and a limited beam tube device is installed at the right end of the beam applicator body (8); The multi-angle adjustment structure (3) comprises a first angle adjustment support plate (26), a second angle adjustment support plate (27) and a third angle adjustment support plate (29); the lower end of the first angle adjustment support plate (26) is connected to a first universal end face bearing (25); one side of the lower end of the first angle adjustment support plate (26) is connected to a universal support rod (30); the lower end of the universal support rod (30) is connected to a turbine electric telescopic rod (46); the lower end of the second angle adjustment support plate (27) is connected to a second universal end face bearing (28); one side of the lower end of the second angle adjustment support plate (27) is connected to the universal support rod; the lower end of the universal support rod is connected to the turbine electric telescopic rod; a servo motor is provided at the lower end of the third angle adjustment support plate (29); the center of the third angle adjustment support plate (29) is connected to the output end of the servo motor via a gear and a bearing.

2. The multi-directionally adjustable beam applicator system device according to claim 1, characterized in that: The beam limiting tube device comprises a beam limiting tube mounting seat (14) and a beam limiting tube (15); the beam limiting tube (15) is mounted in a beam applicator body (8) via the beam limiting tube mounting seat (14); and the beam limiting tube mounting seat (14) is equipped with an adjustment rod (13).

3. The multi-directionally adjustable beam applicator system device according to claim 1, characterized in that: The material of the fiber plastic filter plate (22) is plastic fiber, and the material of the metal filter plate (24) is alloy steel.

4. The multi-directionally adjustable beam applicator system device according to claim 1, characterized in that: The fiber plastic filter plate (22) and the metal filter plate (24) are both installed in corresponding slots on the beam applicator (1) through a filter plate bracket. The filter plate bracket includes a filter plate frame (47). The filter plate frame (47) is a rectangular frame body whose size matches the slot in the beam applicator body (8). The filter plate frame (47) is provided with an installation inner frame that matches the filter plate body (36) of the fiber plastic filter plate (22) and the metal filter plate (24). The upper and lower ends of the installation inner frame are provided with inwardly recessed frame steps (31). The upper and lower ends of the filter plate body (36) of the fiber plastic filter plate (22) and the metal filter plate (24) are provided with plate body steps (35) that match the frame steps (31). The plate body steps (35) and the frame steps (31) are connected to each other.

5. The multi-directionally adjustable beam applicator system device according to claim 1, characterized in that: The reflective refractor (23) comprises an upper fixed slider (50), a lower fixed slider (51) and a reflective lens (48); the upper fixed slider (50) and the lower fixed slider (51) are respectively located at the upper and lower ends of the reflective lens (48); and the distance between the upper fixed slider (50) and the lower fixed slider (51) is the same as the height of the third slot (18).

6. The multi-directionally adjustable beam applicator system device according to claim 1, characterized in that: The Y-axis adjustment device (2) comprises two parallel guide rails (40), a plurality of supporting cross beams are arranged between the guide rails (40), and slide rails (39) are arranged on the two guide rails (40). Two fixed seats (45) are installed on the cross beam between the guide rails (40), and the fixed seats (45) are respectively located at the two ends of the guide rails (40). A screw rod (41) is installed on the fixed seat (45), and the screw rod (41) is connected to the output end of the motor (38) installed between the guide rails (40). The threaded rod (41) is matched with a threaded sleeve (42), the threaded sleeve (42) is fixedly connected to a connecting block (43), the upper end of the connecting block (43) is fixedly connected to a rectangular loading plate, the lower ends of the four corners of the rectangular loading plate are connected to sliders (44), the sliders (44) are installed in the slide rails (39) on the guide rails (40), the upper end of the rectangular loading plate is fixedly connected to a beam applicator support (9), and the Z-direction adjusting device (4) and the X-direction adjusting device (5) have the same motion structure as the Y-direction adjusting device (2).

7. The multi-directionally adjustable beam applicator system device according to claim 4, characterized in that: A V-shaped groove (34) is provided at the lower end of the filter plate frame (47), and a protruding V-shaped groove (21) is provided at the bottom of the first slot (16), the second slot (17), the third slot (18), the fourth slot (19) and the fifth slot (20).

8. The multi-directionally adjustable beam applicator system device according to claim 4, characterized in that: A V-shaped protrusion is provided at the upper end of the filter plate frame (47), and filter plate straightening blocks (11) are provided at the top of the No. 1 slot (16), the No. 2 slot (17), the No. 3 slot (18), the No. 4 slot (19) and the No. 5 slot (20). A clamping adjustment bolt (12) is connected to the upper end of the filter plate straightening block (11), and the clamping adjustment bolt (12) passes through a screw hole (10) on the beam applicator body (8) to connect the filter plate straightening block (11).

Citation Information

Patent Citations

  • Multidirectional adjustable beam applicator system device

    CN210521562U