CN115282506A - Device for realizing position calibration of medical linear accelerator - Google Patents
Device for realizing position calibration of medical linear accelerator Download PDFInfo
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- CN115282506A CN115282506A CN202210951752.0A CN202210951752A CN115282506A CN 115282506 A CN115282506 A CN 115282506A CN 202210951752 A CN202210951752 A CN 202210951752A CN 115282506 A CN115282506 A CN 115282506A
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- 230000008093 supporting effect Effects 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000006641 stabilisation Effects 0.000 claims description 8
- 238000011105 stabilization Methods 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims 6
- 230000000576 supplementary effect Effects 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 2
- 230000009471 action Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
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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
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1075—Monitoring, verifying, controlling systems and methods for testing, calibrating, or quality assurance of the radiation treatment apparatus
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- Radiation-Therapy Devices (AREA)
Abstract
The invention discloses a device for realizing position calibration of a medical linear accelerator, which relates to the technical field of position calibration devices and comprises a position calibration device main body, wherein a limiting bottom plate is arranged at the bottom of the position calibration device main body, a power sliding assembly is arranged between the limiting bottom plate and the position calibration device main body, and a bottom supporting sleeve is arranged on the outer side of the limiting bottom plate. According to the invention, through the matching of the limiting slide rod, the support frame, the hydraulic lifting device, the limiting connecting rod, the sliding assembly, the rotating shaft and the sliding wheel, when the height is required to be adjusted, the support frame is pushed by the hydraulic lifting device to drive the limiting slide rod to move upwards, so that the limiting bottom plate and the position calibration device body move upwards together, the friction force with the inner wall of the bottom supporting sleeve is reduced under the action of the rotating shaft and the sliding wheel, and finally the upward moving range of the limiting bottom plate is limited under the action of the limiting connecting rod, so that the height is prevented from being adjusted inconveniently.
Description
Technical Field
The invention relates to the technical field of position calibration devices, in particular to a device for realizing the position calibration of a medical linear accelerator.
Background
A medical linear accelerator is a radiation therapy device that kills tumor tissue with radiation. The medical linear accelerator may include a gantry system, a radiation source system, a patient support system, an image guidance system, and the like. In practical use, before the medical linear accelerator is actually used, the positions of various components of the medical linear accelerator need to be calibrated every day. In the prior art, calibration of the positions of the components of the medical linear accelerator is generally required.
The following problems exist in the prior art:
1. the existing device for realizing the position calibration of the medical linear accelerator has the problems that the position deviation is easy to occur in the sliding process in the using process, so that the calibration has larger errors;
2. the existing device for realizing the position calibration of the medical linear accelerator is inconvenient to adjust in the using process, so that the using efficiency of the device is low.
Disclosure of Invention
The invention provides a device for realizing the position calibration of a medical linear accelerator, which aims to solve the problems in the background technology.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a realize device of medical linear accelerator position calibration, includes position calibrating device main part, the bottom of position calibrating device main part is provided with spacing bottom plate, be provided with power slip subassembly between spacing bottom plate and the position calibrating device main part, the outside of spacing bottom plate is provided with the bottom sprag sleeve, be provided with slip stop gear between position calibrating device main part and the spacing bottom plate, be provided with height adjusting mechanism between spacing bottom plate and the bottom sprag sleeve, slip stop gear includes spacing ball piece, the upper surface of spacing ball piece is connected with the lower fixed surface of position calibrating device main part, the bottom of position calibrating device main part is provided with spacing spout, supplementary movable assembly, connecting block, elastic stabilization subassembly and gas spring, height adjusting mechanism includes the spacing slide bar, the upper surface of spacing slide bar is connected with the lower fixed surface of spacing bottom plate, the bottom of spacing bottom plate is provided with support frame, hydraulic pressure elevating gear, spacing connecting rod and slip subassembly.
The technical scheme of the invention is further improved as follows: the utility model discloses a spacing ball, including spacing ball piece, elastic stabilization component, air spring, spacing bottom plate, spacing spout, spacing ball piece, the inside of spacing bottom plate is seted up to spacing spout, the surface of spacing ball piece and the inner wall swing joint of spacing spout, supplementary movable assembly sets up between the surface of spacing ball piece, the inner wall of spacing spout, the surface of connecting block and the inner wall swing joint of spacing spout, the elastic stabilization component sets up between the surface of connecting block, the inner wall of spacing spout, the both ends of air spring respectively with the surface of connecting block, the inner wall swing joint of spacing spout, through the cooperation of above structure, avoid the condition that the position skew appears in the slip process.
The technical scheme of the invention is further improved as follows: the auxiliary movable assembly comprises a sliding abutting ball, the outer surface of the sliding abutting ball is movably connected with the outer surface of a limiting ball block, the outer surface of the sliding abutting ball is movably connected with the sliding ball, the outer surface of the sliding abutting ball and the outer surface of the sliding ball are movably connected with a sliding abutting plate, the outer surface of the sliding abutting plate is fixedly connected with the outer surface of a connecting block, the contact area is reduced through the cooperation of the structure, and the friction force is reduced.
The technical scheme of the invention is further improved as follows: the elastic stabilization component comprises an elastic sleeve plate, the outer surface of the elastic sleeve plate is fixedly connected with the lower surface of the connecting block and the inner wall of the limiting sliding groove respectively, an elastic sliding sheet is movably connected to the inner wall of the elastic sleeve plate, and the stability of the device is guaranteed through the cooperation of the above structures.
The technical scheme of the invention is further improved as follows: the outer surface of the elastic slip sheet is fixedly connected with an elastic ball, the outer surface of the elastic ball is fixedly connected with a connecting pull rod, one end of the connecting pull rod is movably connected with the inner wall of the elastic sleeve plate, and the stability of the device is guaranteed through the matching of the above structures.
The technical scheme of the invention is further improved as follows: the outer surface of the support frame is fixedly connected with the outer surface of the limiting slide rod, one end of the hydraulic lifting device is fixedly connected with the outer surface of the support frame, and the other end of the hydraulic lifting device is fixedly connected with the inner wall of the bottom supporting sleeve through the matching of the above structures.
The technical scheme of the invention is further improved as follows: one end of the limiting connecting rod is movably connected with the outer surface of the supporting frame, the other end of the limiting connecting rod is movably connected with the inner wall of the bottom supporting sleeve, the sliding assembly is arranged between the outer surface of the limiting sliding rod and the inner wall of the bottom supporting sleeve, and height adjustment is completed through the matching of the above structures.
The technical scheme of the invention is further improved as follows: the sliding assembly comprises a rotating shaft, the two ends of the rotating shaft are fixedly connected with the inner wall of the limiting sliding rod, a sliding wheel is movably connected to the outer surface of the rotating shaft, the outer surface of the sliding wheel is movably connected with the inner wall of the bottom supporting sleeve, and friction force with the inner wall of the bottom supporting sleeve is reduced through the cooperation of the structures.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a device for realizing position calibration of a medical linear accelerator, which adopts the matching of a limiting ball block, a limiting chute, an auxiliary movable assembly, a connecting block, an elastic stabilizing assembly and a gas spring, firstly, the limiting ball block is movably connected with the inner wall of the limiting chute, the stressed area between the limiting ball block and the auxiliary movable assembly is reduced under the action of the auxiliary movable assembly, so that the friction force is reduced, then the elastic stabilizing assembly and the gas spring are extruded by the connecting block to generate elastic deformation, and the stable supporting action can be kept when a main body of the position calibration device shakes under the action of the frictional resistance between structures, so that the problem of large error in calibration caused by the situation of position deviation in the sliding process is avoided.
2. The invention provides a device for realizing position calibration of a medical linear accelerator, which adopts the matching among a sliding abutting ball, a sliding abutting plate, a sliding ball, an elastic sleeve plate, an elastic sliding sheet, an elastic ball and a connecting pull rod, wherein the sliding abutting ball is matched with the sliding ball, so that the sliding abutting ball can be movably connected with the inner wall of the sliding abutting plate, the friction force is reduced by reducing the contact area, the sliding of a limiting ball block is facilitated, when the elastic sleeve plate is extruded and elastically deformed, the elastic sliding sheet is pushed to elastically deform, and meanwhile, the connecting pull rod pulls the elastic ball to elastically deform, through the matching of the above structures, the vibration amplitude generated by shaking of the device is reduced, and the stability of the device is ensured.
3. The invention provides a device for realizing position calibration of a medical linear accelerator, which adopts the matching among a limit slide bar, a support frame, a hydraulic lifting device, a limit connecting rod, a sliding assembly, a rotating shaft and a sliding wheel.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the structural slide stop mechanism and height adjustment mechanism of the present invention;
FIG. 3 is an enlarged schematic view of the present invention at configuration A;
FIG. 4 is a schematic cross-sectional view of a structurally elastic stabilizing element of the present invention;
FIG. 5 is an enlarged schematic view of the present invention at configuration B;
fig. 6 is an enlarged schematic view of the structure C of the present invention.
In the figure: 1. a position calibration device body; 11. a limiting bottom plate; 12. a powered slide assembly; 13. a bottom support sleeve;
2. a sliding limiting mechanism; 21. a limiting ball block; 22. a limiting chute; 23. an auxiliary movable component; 231. sliding the abutment ball; 232. a sliding abutting plate; 233. a sliding ball; 24. connecting blocks; 25. an elastic stabilizing component; 251. an elastic sleeve plate; 252. an elastic slip sheet; 253. a resilient ball; 254. connecting a pull rod; 26. a gas spring;
3. a height adjustment mechanism; 31. a limiting slide bar; 32. a support frame; 33. a hydraulic lifting device; 34. a limiting connecting rod; 35. a sliding assembly; 351. a rotating shaft; 352. a sliding wheel.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-6, the present invention provides a device for realizing the position calibration of a medical linear accelerator, comprising a position calibration device body 1, a position-limiting bottom plate 11 is arranged at the bottom of the position calibration device body 1, a power sliding assembly 12 is arranged between the position-limiting bottom plate 11 and the position calibration device body 1, a bottom supporting sleeve 13 is arranged at the outer side of the position-limiting bottom plate 11, a sliding position-limiting mechanism 2 is arranged between the position calibration device body 1 and the position-limiting bottom plate 11, a height adjusting mechanism 3 is arranged between the position-limiting bottom plate 11 and the bottom supporting sleeve 13, the sliding position-limiting mechanism 2 comprises a position-limiting ball block 21, the upper surface of the position-limiting ball block 21 is fixedly connected with the lower surface of the position calibration device body 1, a position-limiting chute 22, an auxiliary movable assembly 23, a connecting block 24, an elastic stabilizing assembly 25 and an air spring 26 are arranged at the bottom of the position calibration device body 1, height adjusting mechanism 3 includes limiting slide bar 31, limiting slide bar 31's upper surface and limiting bottom plate 11's lower fixed surface are connected, limiting bottom plate 11's bottom is provided with support frame 32, hydraulic pressure elevating gear 33, limiting connecting rod 34 and slip subassembly 35, limiting slide groove 22 opens in limiting bottom plate 11's inside, limiting ball piece 21's surface and limiting slide groove 22's inner wall swing joint, supplementary movable assembly 23 sets up in limiting ball piece 21's surface, between limiting slide groove 22's the inner wall, connecting block 24's surface and limiting slide groove 22's inner wall swing joint, elastic stabilization subassembly 25 sets up in connecting block 24's surface, between limiting slide groove 22's the inner wall, the both ends of air spring 26 respectively with connecting block 24's surface, limiting slide groove 22's inner wall swing joint.
In this embodiment, at first make the inner wall swing joint of spacing ball piece 21 and spacing spout 22, the effect of cooperation auxiliary movement subassembly 23 make and spacing ball piece 21 between the lifting surface area reduce, thereby reduce frictional force, elastic deformation takes place for elastic stabilization subassembly 25 and gas spring 26 produce the extrusion through connecting block 24, frictional resistance between each structure of cooperation, make position calibrating device main part 1 all can keep more stable supporting role when taking place to rock, avoid the condition of sliding process position offset to appear, lead to the problem that great error appears in the calibration.
Example 2
As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the auxiliary movable assembly 23 includes a sliding abutting ball 231, an outer surface of the sliding abutting ball 231 is movably connected to an outer surface of the limiting ball block 21, the sliding abutting ball 233 is movably connected to the outer surface of the sliding abutting ball 231, the sliding abutting ball 231 and the outer surface of the sliding ball 233 are both movably connected to a sliding abutting plate 232, the outer surface of the sliding abutting plate 232 is fixedly connected to an outer surface of the connecting block 24, the elastic stabilizing assembly 25 includes an elastic sleeve plate 251, the outer surface of the elastic sleeve plate 251 is respectively fixedly connected to a lower surface of the connecting block 24 and an inner wall of the limiting sliding groove 22, an elastic sliding piece 252 is movably connected to an inner wall of the elastic sleeve plate 251, an elastic ball 253 is fixedly connected to the outer surface of the elastic sliding piece 252, a connecting rod 254 is fixedly connected to the outer surface of the elastic ball 253, and one end of the connecting rod 254 is movably connected to the inner wall of the elastic sleeve plate 251.
In this embodiment, the sliding abutting ball 231 and the sliding ball 233 are matched, so that the sliding abutting ball 231 can be movably connected with the inner wall of the sliding abutting plate 232, the mode of reducing the contact area is achieved, the friction force is reduced, the sliding of the limiting ball block 21 is facilitated, when the elastic sleeve plate 251 is extruded and is elastically deformed, the elastic sliding piece 252 is pushed to be elastically deformed, meanwhile, the connecting pull rod 254 pulls the elastic ball 253 to be elastically deformed, and through the matching of the above structure, the vibration amplitude generated by shaking the device is reduced, and the stability of the device is ensured.
Example 3
As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the outer surface of the support frame 32 is fixedly connected with the outer surface of the limiting slide rod 31, one end of the hydraulic lifting device 33 is fixedly connected with the outer surface of the support frame 32, the other end of the hydraulic lifting device 33 is fixedly connected with the inner wall of the bottom support sleeve 13, one end of the limiting connecting rod 34 is movably connected with the outer surface of the support frame 32, the other end of the limiting connecting rod 34 is movably connected with the inner wall of the bottom support sleeve 13, the sliding assembly 35 is arranged between the outer surface of the limiting slide rod 31 and the inner wall of the bottom support sleeve 13, the sliding assembly 35 comprises a rotating shaft 351, two ends of the rotating shaft 351 are fixedly connected with the inner wall of the limiting slide rod 31, a sliding wheel 352 is movably connected onto the outer surface of the rotating shaft 351, and the outer surface of the sliding wheel 352 is movably connected with the inner wall of the bottom support sleeve 13.
In this embodiment, when height adjustment is required, the support frame 32 is pushed by the hydraulic lifting device 33 to drive the limiting slide rod 31 to move upwards, so that the limiting bottom plate 11 and the position calibration device body 1 move upwards together, friction with the inner wall of the bottom support sleeve 13 is reduced by matching the action of the rotating shaft 351 and the sliding wheel 352, and finally the upward movement range of the limiting bottom plate 11 is limited by the action of the limiting connecting rod 34, thereby avoiding the problem of low use efficiency of the device due to inconvenient height adjustment.
The working principle of the device for realizing the position calibration of the medical linear accelerator is described in detail below.
As shown in fig. 1-6, first, the limiting ball block 21 is movably connected to the inner wall of the limiting sliding groove 22, the force-bearing area between the limiting ball block 21 is reduced by the aid of the auxiliary movable assembly 23, so that friction force is reduced, then the elastic stabilizing assembly 25 and the air spring 26 are extruded by the connecting block 24 to be elastically deformed, and friction resistance between structures is matched, so that the position calibration device main body 1 can keep a stable supporting function when shaking, when height adjustment is needed, the support frame 32 is pushed by the hydraulic lifting device 33 to drive the limiting slide rod 31 to move upwards, so that the limiting bottom plate 11 and the position calibration device main body 1 move upwards together, and the friction force between the limiting bottom plate and the inner wall of the bottom supporting sleeve 13 is reduced by the aid of the rotating shaft 351 and the sliding wheel 352, and finally the upwards moving range of the limiting bottom plate 11 is limited by the aid of the limiting connecting rod 34, thereby avoiding the problem of low use efficiency of the device due to inconvenient height adjustment.
The present invention has been described in general terms, but it will be apparent to those skilled in the art that modifications and improvements can be made based on the present invention. Therefore, it is possible to modify or improve the optical characteristics of the optical fiber without departing from the spirit of the present invention.
Claims (8)
1. The utility model provides a realize device of medical linear accelerator position calibration, includes position calibrating device main part (1), the bottom of position calibrating device main part (1) is provided with spacing bottom plate (11), be provided with between spacing bottom plate (11) and position calibrating device main part (1) power slip subassembly (12), the outside of spacing bottom plate (11) is provided with bottom sprag sleeve (13), its characterized in that: be provided with slip stop gear (2) between position calibrating device main part (1) and stop floor (11), be provided with altitude mixture control mechanism (3) between stop floor (11) and bottom sprag sleeve (13), slip stop gear (2) are including spacing ball piece (21), the upper surface of spacing ball piece (21) and the lower fixed surface of position calibrating device main part (1) are connected, the bottom of position calibrating device main part (1) is provided with spacing spout (22), supplementary movable part (23), connecting block (24), elastic stabilization subassembly (25) and gas spring (26), altitude mixture control mechanism (3) are including spacing slide bar (31), the upper surface of spacing slide bar (31) and the lower fixed surface of stop floor (11) are connected, the bottom of stop floor (11) is provided with support frame (32), hydraulic lifting device (33), spacing connecting rod (34) and slip subassembly (35).
2. The device for realizing the position calibration of the medical linear accelerator according to claim 1, wherein: spacing spout (22) are seted up in the inside of spacing bottom plate (11), the surface of spacing ball piece (21) and the inner wall swing joint of spacing spout (22), supplementary activity subassembly (23) set up between the surface of spacing ball piece (21), the inner wall of spacing spout (22), the surface of connecting block (24) and the inner wall swing joint of spacing spout (22), elastic stabilization subassembly (25) set up between the surface of connecting block (24), the inner wall of spacing spout (22), the both ends of air spring (26) respectively with the surface of connecting block (24), the inner wall swing joint of spacing spout (22).
3. The device for realizing the position calibration of the medical linear accelerator according to claim 1, wherein: supplementary movable subassembly (23) are including slip butt joint ball (231), the surface of slip butt joint ball (231) and the surface swing joint of spacing ball piece (21), swing joint has slip ball (233) on the surface of slip butt joint ball (231), equal swing joint has slip butt joint board (232) on the surface of slip butt joint ball (231), slip ball (233), the surface of slip butt joint board (232) and the fixed surface of connecting block (24) are connected.
4. The device for realizing the position calibration of the medical linear accelerator according to claim 1, wherein: the elastic stabilizing component (25) comprises an elastic sleeve plate (251), the outer surface of the elastic sleeve plate (251) is fixedly connected with the lower surface of the connecting block (24) and the inner wall of the limiting sliding groove (22), and an elastic sliding sheet (252) is movably connected to the inner wall of the elastic sleeve plate (251).
5. The device for realizing the position calibration of the medical linear accelerator according to claim 4, wherein: an elastic ball (253) is fixedly connected to the outer surface of the elastic sliding sheet (252), a connecting pull rod (254) is fixedly connected to the outer surface of the elastic ball (253), and one end of the connecting pull rod (254) is movably connected with the inner wall of the elastic sleeve plate (251).
6. The device for realizing the position calibration of the medical linear accelerator according to claim 1, wherein: the outer surface of support frame (32) and the outer fixed surface of spacing slide bar (31) are connected, the one end of hydraulic pressure elevating gear (33) and the outer fixed surface of support frame (32) are connected, the other end of hydraulic pressure elevating gear (33) and the inner wall fixed connection of bottom sprag sleeve (13).
7. The device for realizing the position calibration of the medical linear accelerator according to claim 1, wherein: one end of the limiting connecting rod (34) is movably connected with the outer surface of the supporting frame (32), the other end of the limiting connecting rod (34) is movably connected with the inner wall of the bottom supporting sleeve (13), and the sliding assembly (35) is arranged between the outer surface of the limiting sliding rod (31) and the inner wall of the bottom supporting sleeve (13).
8. The device for realizing the position calibration of the medical linear accelerator according to claim 1, wherein: the sliding assembly (35) comprises a rotating shaft (351), the two ends of the rotating shaft (351) are fixedly connected with the inner wall of the limiting sliding rod (31), a sliding wheel (352) is movably connected to the outer surface of the rotating shaft (351), and the outer surface of the sliding wheel (352) is movably connected with the inner wall of the bottom supporting sleeve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210951752.0A CN115282506A (en) | 2022-08-09 | 2022-08-09 | Device for realizing position calibration of medical linear accelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210951752.0A CN115282506A (en) | 2022-08-09 | 2022-08-09 | Device for realizing position calibration of medical linear accelerator |
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| Publication Number | Publication Date |
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| CN115282506A true CN115282506A (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210951752.0A Withdrawn CN115282506A (en) | 2022-08-09 | 2022-08-09 | Device for realizing position calibration of medical linear accelerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116899124A (en) * | 2023-07-20 | 2023-10-20 | 迈胜医疗设备有限公司 | Proton accelerator mounting method and radiotherapy equipment |
-
2022
- 2022-08-09 CN CN202210951752.0A patent/CN115282506A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116899124A (en) * | 2023-07-20 | 2023-10-20 | 迈胜医疗设备有限公司 | Proton accelerator mounting method and radiotherapy equipment |
| CN116899124B (en) * | 2023-07-20 | 2024-04-05 | 迈胜医疗设备有限公司 | Proton accelerator mounting method and radiotherapy equipment |
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Application publication date: 20221104 |