Radiotherapy device for lung cancer

Abstract

The invention discloses a radiotherapy device for lung cancer, which relates to the technical field of medical instruments and comprises a radiotherapy frame, a first vertical groove, a moving plate, a driving mechanism mounted in the first vertical groove and used for driving the moving plate to move, a mounting seat mounted at the bottom of one end, far away from the first vertical groove, of the moving plate, and a radiotherapy instrument mounted at the bottom of the mounting seat. A protective cylinder is mounted at the bottom of the mounting seat and sleeves the radiotherapy instrument; an annular groove is formed in the bottom of the protection barrel, a moving pipe is vertically and slidably connected into the annular groove, an annular elastic belt is fixedly connected to the top end of the moving pipe, and the end, away from the moving pipe, of the elastic belt is fixedly connected to the top wall of the annular groove; a moving ring is fixedly connected to the outer side wall of the moving pipe, and the moving ring is slidably connected to the annular groove in the vertical direction; sliding rails are fixedly connected to the two sides of the radiotherapy frame respectively, supporting plates are slidably connected to the two sliding rails respectively, and a bed plate is fixedly connected to the two supporting plates. When radiotherapy is carried out on a patient, the chest of the patient can be conveniently covered.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and in particular to a radiotherapy device for lung cancer. Background Art

[0002] At present, radiotherapy devices, also known as radiotherapy instruments, are high-tech equipment used for cancer treatment and are widely used in hospitals, clinics and other medical institutions. The equipment kills cancer cells by using high-energy rays (such as X-ray electron beams, etc.) to achieve the purpose of treating tumors. Radiotherapy devices are regarded as an important cancer treatment tool in modern medicine, which can significantly improve the success rate of cancer treatment.

[0003] Related technologies can refer to the Chinese utility model patent with authorization announcement number CN211158199U, which discloses a radiotherapy device for lung cancer, including a radiotherapy device, an irradiation device and a medical bed. The outer side and dorsal side of the radiotherapy device are fixedly installed with a slide groove, and a slider is fixedly installed on the slide groove. The bottom of the slider is fixedly installed with a fixing seat, and the bottom of the fixing seat is fixedly installed with a connecting seat. The connection between the connecting seat and the fixing seat is fixedly installed with a fixing shaft, and the bottom of the connecting seat is fixedly installed with a mounting seat. The bottom of the mounting seat is fixedly installed with an irradiation device. A control panel is fixedly installed on the side wall on the left side of the radiotherapy device, and a slide rail is fixedly installed at the bottom of the radiotherapy device. A support seat is fixedly installed on the top of the slide rail, and a push-pull rod is fixedly installed on the outer side of the support seat. A medical bed is fixedly installed on the top of the support seat, and a crank is fixedly installed on the outer side of the medical bed. Two fixed grooves are fixedly installed directly above the medical bed, and a support plate is fixedly installed between the fixed grooves. A limiting block is fixedly installed on one side of the fixed groove.

[0004] However, when the above-mentioned irradiation device is used to perform radiotherapy on a patient, it is inconvenient to cover the patient's chest, which may easily cause adverse effects on other parts of the patient. Summary of the invention

[0005] The present application provides a radiotherapy device for lung cancer, which is convenient for covering the patient's chest during radiotherapy, and adopts the following technical solution: A radiotherapy device for lung cancer comprises a radiotherapy frame, a first vertical slot provided on one side of the radiotherapy frame, a movable plate connected to the first vertical slot along a vertical sliding motion, a driving mechanism installed in the first vertical slot for driving the movable plate to move, a mounting seat installed at the bottom of one end of the movable plate away from the first vertical slot, and a radiotherapy device installed at the bottom of the mounting seat; a protective tube is installed at the bottom of the mounting seat, and the protective tube is sleeved on the outside of the radiotherapy device; an annular groove is provided at the bottom of the protective tube, a movable tube is connected in the annular groove along a vertical sliding motion, an annular elastic band is fixed to the top end of the movable tube, and one end of the elastic band away from the movable tube is fixed to the top wall of the annular groove; a movable ring is fixed to the outer wall of the movable tube, and the movable ring is connected to the annular groove along a vertical sliding motion; slide rails are respectively fixed to the two sides of the radiotherapy frame, support plates are respectively slidably connected to the two slide rails, and bed boards are fixed to the two support plates.

[0006] When radiotherapy is needed for the patient, the patient is first allowed to lie on the bed board, and then the driving mechanism is used to drive the movable plate downward. The downward movement of the movable plate drives the radiotherapy device downward, and the downward movement of the radiotherapy device facilitates radiotherapy for the patient. Furthermore, the downward movement of the movable plate drives the protective tube downward, so that it is convenient to cover the patient's chest. In summary, by adopting the above scheme, it is convenient to cover the patient's chest when radiotherapy is performed on the patient.

[0007] Preferably, the driving mechanism includes a driving motor installed on the top wall of the first vertical groove, a single-threaded screw installed on the output shaft of the driving motor, and a first vertical rod fixedly connected to the inner wall of the first vertical groove; the movable plate is threadedly connected to the single-threaded screw, and the movable plate is slidably connected to the first vertical rod.

[0008] By adopting the above scheme, when it is necessary to drive the movable plate to move, the driving motor is started first. At this time, the output shaft of the driving motor drives the single-threaded screw to rotate, and the rotation of the single-threaded screw can drive the movable plate to move; in summary, the set driving mechanism is convenient for driving the movable plate to move.

[0009] Preferably, a transverse plate is installed on a side of the radiotherapy frame away from the first vertical slot, and an indicating mechanism is installed on the transverse plate.

[0010] By adopting the above solution, the indicating mechanism is provided, which facilitates the determination of the radiotherapy position of the patient.

[0011] Preferably, the indicating mechanism includes a horizontal groove opened at the bottom of the horizontal plate, a horizontal rod fixed to the inner wall of the horizontal groove, a sliding sleeve slidably connected to the horizontal rod, and an indicator light installed at the bottom of the sliding sleeve, and the indicator light can be directly below the radiotherapy device; a horizontal spring is fixed to one side of the sliding sleeve, and the end of the horizontal spring away from the sliding sleeve is fixed to the inner wall of the horizontal groove at one end away from the first vertical groove; a first strip hole is opened on the top wall of the horizontal groove, and a protrusion is slidably connected in the first strip hole, and the protrusion is fixed to the top of the sliding sleeve; the indicating mechanism also includes a driving component for driving the protrusion to move.

[0012] By adopting the above scheme, in the initial state, the indicator light is directly below the radiotherapy device. When the patient lies in a suitable position on the bed under the action of the indicator light, the radiotherapy device is first driven downward by the driving mechanism, and then the driving assembly drives the protrusion to move, the movement of the protrusion drives the movement of the sliding sleeve, and the movement of the sliding sleeve drives the indicator light to move, which makes it easier to make way for the radiotherapy device to move downward. In summary, the setting of the indicating mechanism facilitates the determination of the patient's radiotherapy position.

[0013] Preferably, the driving assembly includes a rope body fixedly connected to one side of the movable plate, a first guide wheel installed on the side of the radiotherapy frame away from the first vertical groove, and a second guide wheel installed on the inner wall of one end of the first strip hole away from the first vertical groove; the end of the rope body away from the movable plate successively passes around the first guide wheel and the second guide wheel and is fixedly connected to one side of the protrusion.

[0014] By adopting the above scheme, the driving motor is started first. At this time, the output shaft of the driving motor drives the single-threaded screw to rotate, and the rotation of the single-threaded screw drives the movable plate to move downward. The downward movement of the movable plate drives the rope body to move, and the movement of the rope body can drive the protrusion to move. In summary, the drive assembly is set to facilitate driving the protrusion to move.

[0015] Preferably, a buffer mechanism is installed on the first vertical rod, and the buffer mechanism includes a buffer ring vertically slidably connected to the first vertical rod and a buffer spring fixed to the bottom of the buffer ring; one end of the buffer spring away from the buffer ring is fixed to the bottom of the first vertical groove.

[0016] By adopting the above solution, the buffer mechanism is provided, which facilitates buffering of the movable plate, thereby avoiding the possibility that the protective tube presses the patient's ring.

[0017] Preferably, it also includes a stabilizing mechanism for improving the stability of the support plate, the stabilizing mechanism includes a first longitudinal plate abutting against the bottom of the buffer ring, a driving rod fixed to the bottom of the first longitudinal plate, a second longitudinal plate fixed to the bottom of the driving rod, a second vertical slot provided on one side of a support plate, and a second vertical rod fixed to the inner wall of the second vertical slot; the driving rod is arranged through the bed plate, the second vertical rod is arranged through the second longitudinal plate, the second longitudinal plate is slidably connected to the second vertical rod along the vertical direction, a first spring is fixedly connected to the top of the second longitudinal plate, and one end of the first spring away from the second longitudinal plate is fixedly connected to the bottom of the bed plate; a third vertical slot is provided on one side of the radiotherapy frame, a third vertical rod is fixedly connected in the third vertical slot, a third longitudinal plate is slidably connected to the third vertical rod, a second spring is fixedly connected to the top of the third longitudinal plate, and one end of the second spring away from the third longitudinal plate is fixedly connected to the top wall of the third vertical slot; a plurality of abutting blocks are fixedly connected to the bottom of the third longitudinal plate, and the plurality of abutting blocks can abut against the bottom of the support plate; the top of the third longitudinal plate abuts against the bottom of the second longitudinal plate.

[0018] By adopting the above scheme, the driving motor is started first, and then the output shaft of the driving motor drives the single-threaded screw to rotate, and the single-threaded screw rotates to drive the movable plate to move downward, and the movable plate moves downward to drive the buffer ring to move downward, and the buffer ring moves downward to drive the first longitudinal plate to move downward, and the first longitudinal plate moves downward to drive the driving rod to move downward, and the driving rod moves downward to drive the second longitudinal plate to move downward, and the second longitudinal plate moves downward to drive the third longitudinal plate to move downward, and the third longitudinal plate moves downward to drive the abutment block to move downward, and the abutment block moves downward to abut against the bottom of the support plate, which can improve the stability of the support plate, and then improve the stability of the bed board, thereby avoiding the patient from moving due to the movement of the bed board during radiotherapy, thereby reducing damage to the patient; in summary, the set stabilizing mechanism can improve the stability of the support plate.

[0019] Preferably, a limiting mechanism for limiting the position of a human body is installed on the bed board.

[0020] By adopting the above solution and providing a limiting mechanism, the possibility of the patient moving around can be reduced.

[0021] Preferably, the limiting mechanism includes a mounting groove opened inside the bed board, a double-threaded screw rotatably connected to the inner wall of the mounting groove, and a guide rod fixed to the inner wall of the mounting groove; both ends of the double-threaded screw are respectively threadedly connected with moving blocks, and the two moving blocks are slidably connected to the guide rod; the top wall of the mounting groove is provided with a second strip hole for the moving block to pass through; arc-shaped limiting plates are symmetrically installed on the top of the two moving blocks, and a protective cover is fixed to the inner side of each limiting plate; a driving component for driving the double-threaded screw to rotate is installed on the bed board.

[0022] By adopting the above scheme, when it is necessary to limit the position of the patient, the double-threaded screw is first driven to rotate by the driving assembly, and the rotation of the double-threaded screw drives the two moving blocks to move toward each other, and the movement of the two moving blocks towards each other drives the two limiting plates to move toward each other, so that the patient can be limited, thereby reducing the possibility of the patient moving around.

[0023] Preferably, the driving assembly includes a vertical tube rotatably connected to the bed board, a first bevel gear fixed to the outer wall of the vertical tube, and a second bevel gear fixed to the double-threaded screw near one end of the vertical tube; the first bevel gear is meshed with the second bevel gear; the outer wall of the driving rod is sequentially fixed with a plurality of spiral blocks along its circumference, the inner wall of the vertical tube is sequentially opened with a plurality of spiral grooves along its circumference, and the plurality of spiral blocks are matched with the plurality of spiral grooves in a one-to-one correspondence.

[0024] By adopting the above scheme, the driving motor is started first, and at this time the output shaft of the driving motor drives the single-threaded screw to rotate, the single-threaded screw rotates to drive the movable plate to move downward, the movable plate moves downward to drive the buffer ring to move downward, the buffer ring moves downward to drive the first longitudinal plate to move downward, the first longitudinal plate moves downward to drive the driving rod to move downward, and then the driving rod drives the vertical tube to rotate under the action of the spiral block and the spiral groove, the vertical tube rotation drives the first bevel gear to rotate, the first bevel gear rotation drives the second bevel gear to rotate, and the second bevel gear rotation can drive the double-threaded screw to rotate; in summary, the driving rotation assembly set is convenient for driving the double-threaded screw to rotate.

[0025] In summary, this application has the following beneficial effects: 1. When radiotherapy is required for a patient, the patient is first allowed to lie on the bed board, and then the driving mechanism drives the movable plate to move downward, and the movable plate moves downward to drive the radiotherapy device to move downward, and the radiotherapy device moves downward to facilitate radiotherapy for the patient; furthermore, the movable plate moves downward to drive the protective tube to move downward, so that the patient's chest is conveniently covered; in summary, by adopting the above scheme, the patient's chest is conveniently covered when radiotherapy is performed on the patient; 2. In the initial state, the indicator light is directly below the radiotherapy device. When the patient lies in a suitable position on the bed board under the action of the indicator light, the radiotherapy device is first driven downward by the driving mechanism, and then the driving assembly drives the convex block to move, the movement of the convex block drives the movement of the sliding sleeve, and the movement of the sliding sleeve drives the indicator light to move, so as to make way for the downward movement of the radiotherapy device; in summary, the setting of the indicator mechanism facilitates the determination of the patient's radiotherapy position; 3. Start the driving motor first. At this time, the output shaft of the driving motor drives the single-threaded screw to rotate, and the single-threaded screw rotates to drive the movable plate to move downward, and the movable plate moves downward to drive the buffer ring to move downward, and the buffer ring moves downward to drive the first longitudinal plate to move downward, and the first longitudinal plate moves downward to drive the driving rod to move downward, and the driving rod moves downward to drive the second longitudinal plate to move downward, and the second longitudinal plate moves downward to drive the third longitudinal plate to move downward, and the third longitudinal plate moves downward to drive the abutment block to move downward, and the abutment block moves downward to abut against the bottom of the support plate, which can improve the stability of the support plate, and then improve the stability of the bed board, thereby avoiding the movement of the patient due to the movement of the bed board during radiotherapy, thereby reducing damage to the patient; in summary, the set stabilizing mechanism can improve the stability of the support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 2 This is a structural schematic diagram highlighting the indicating mechanism in the embodiment of the present application; Figure 3 It is a structural schematic diagram highlighting the stabilizing mechanism and the limiting mechanism in the embodiment of the present application.

[0027] Figure 4 This is a structural schematic diagram highlighting the spiral block and the spiral groove in the embodiment of the present application.

[0028] Description of the accompanying drawings: 1. radiotherapy frame; 11. first vertical groove; 12. moving plate; 13. mounting seat; 14. radiotherapy device; 15. protective tube; 151. annular groove; 16. moving tube; 161. moving ring; 162. elastic belt; 17. slide rail; 18. support plate; 19. bed board; 2. driving mechanism; 21. driving motor; 22. single thread lead screw; 23. first vertical rod; 3. horizontal plate; 4. indicating mechanism; 41. horizontal groove; 411. first strip hole; 42. horizontal rod; 43. sliding sleeve; 44. indicator light; 45. horizontal spring; 46. bump; 47. rope body; 48. first guide wheel; 49. second guide wheel; 5. Buffer mechanism; 51. Buffer ring; 52. Buffer spring; 6. Stabilizing mechanism; 61. First longitudinal plate; 62. Drive rod; 63. Second longitudinal plate; 631. First spring; 64. Second vertical groove; 641. Second vertical rod; 65. Third vertical groove; 651. Third vertical rod; 66. Third longitudinal plate; 67. Second spring; 68. Abutment block; 7. Limiting mechanism; 71. Mounting groove; 711. Second strip hole; 72. Double-threaded lead screw; 73. Guide rod; 74. Moving block; 75. Limiting plate; 76. Protective cover; 8. Driving assembly; 81. Vertical tube; 82. First bevel gear; 83. Second bevel gear; 84. Spiral block; 85. Spiral groove. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-4 This application is described in further detail.

[0030] The same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper", "lower", "bottom" and "top" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0031] The present application discloses a radiotherapy device for lung cancer, such as Figure 1 and Figure 2 As shown, it includes a radiotherapy frame 1, a first vertical slot 11 opened on one side of the radiotherapy frame 1, a moving plate 12 connected to the first vertical slot 11 along a vertical sliding motion, a driving mechanism 2 installed on the first vertical slot 11 for driving the moving plate 12 to move, a mounting seat 13 installed on the bottom of one end of the moving plate 12 away from the first vertical slot 11, and a radiotherapy device 14 installed on the bottom of the mounting seat 13; a protective tube 15 is vertically installed at the bottom of the mounting seat 13, and the protective tube 15 is sleeved on the outside of the radiotherapy device 14; the bottom of the protective tube 15 is provided with an annular groove 1 51, a moving tube 16 is vertically slidably connected in the annular groove 151, an annular elastic band 162 is fixedly connected to the top of the moving tube 16, and one end of the elastic band 162 away from the moving tube 16 is fixedly connected to the top wall of the annular groove 151; a moving ring 161 is fixedly connected to the outer wall of the moving tube 16, and the moving ring 161 is vertically slidably connected to the annular groove 151; slide rails 17 are respectively fixedly connected to the two sides of the radiotherapy frame 1, and support plates 18 are respectively slidably connected to the two slide rails 17 in the horizontal direction, and bed boards 19 are fixedly connected to the two support plates 18. When radiotherapy is required for the patient, the patient is first allowed to lie on the bed board 19, and then the movable plate 12 is driven downward by the driving mechanism 2. The downward movement of the movable plate 12 drives the radiotherapy device 14 downward, and the downward movement of the radiotherapy device 14 facilitates radiotherapy for the patient; furthermore, the downward movement of the movable plate 12 drives the protective tube 15 downward, which makes it convenient to cover the patient's chest; in summary, by adopting the above scheme, it is convenient to cover the patient's chest when performing radiotherapy on the patient.

[0032] like Figure 1As shown, the driving mechanism 2 includes a driving motor 21 mounted on the top wall of the first vertical slot 11, a single-threaded lead screw 22 vertically mounted on the output shaft of the driving motor 21, and a first vertical rod 23 vertically fixed to the inner wall of the first vertical slot 11; the single-threaded lead screw 22 is an ordinary lead screw, the moving plate 12 is threadedly connected to the single-threaded lead screw 22, and the moving plate 12 is vertically slidably connected to the first vertical rod 23, and the first vertical rod 23 is arranged through the moving plate 12. When it is necessary to drive the moving plate 12 to move, the driving motor 21 is started first, and at this time, the output shaft of the driving motor 21 drives the single-threaded lead screw 22 to rotate, and the rotation of the single-threaded lead screw 22 can drive the moving plate 12 to move; in summary, the driving mechanism 2 is arranged to facilitate driving the moving plate 12 to move.

[0033] like Figure 1 and Figure 2 As shown, a horizontal plate 3 is horizontally mounted on one side of the radiotherapy frame 1 away from the first vertical slot 11, and an indicating mechanism 4 is mounted on the horizontal plate 3. The indicating mechanism 4 is provided to facilitate determination of the radiotherapy position of the patient.

[0034] like Figure 1 and Figure 2 As shown, the indicating mechanism 4 includes a horizontal groove 41 opened at the bottom of the horizontal plate 3, a horizontal rod 42 fixedly connected to the inner wall of the horizontal groove 41, a sleeve 43 slidably connected to the horizontal rod 42 along the length direction of the horizontal plate 3, and an indicator light 44 installed at the bottom of the sleeve 43, and the indicator light 44 can be directly below the radiotherapy device 14; a horizontal spring 45 is fixedly connected to one side of the sleeve 43, and the horizontal spring 45 is arranged along the length direction of the horizontal plate 3, and the end of the horizontal spring 45 away from the sleeve 43 is fixedly connected to the inner wall of the horizontal groove 41 away from the first vertical groove 11; a first strip hole 411 is opened on the top wall of the horizontal groove 41, and a protrusion 46 is slidably connected in the first strip hole 411 along the length direction of the horizontal plate 3, and the protrusion 46 is fixedly connected to the top of the sleeve 43; the indicating mechanism 4 also includes a driving component for driving the protrusion 46 to move. In the initial state, the indicator light 44 is directly below the radiotherapy device 14. When the patient lies on the appropriate position of the bed board 19 under the action of the indicator light 44, the radiotherapy device 14 is first driven downward by the driving mechanism 2, and then the driving assembly drives the protrusion 46 to move. The movement of the protrusion 46 drives the sliding sleeve 43 to move, and the movement of the sliding sleeve 43 drives the indicator light 44 to move, so as to make way for the downward movement of the radiotherapy device 14. In summary, the setting of the indicating mechanism 4 is convenient for determining the patient's radiotherapy position.

[0035] like Figure 1 and Figure 2As shown, the driving assembly includes a rope body 47 fixed to one side of the moving plate 12, a first guide wheel 48 installed on the side of the radiotherapy frame 1 away from the first vertical slot 11, and a second guide wheel 49 installed on the inner wall of one end of the first strip hole 411 away from the first vertical slot 11; the end of the rope body 47 away from the moving plate 12 passes through the first guide wheel 48 and the second guide wheel 49 in sequence and is fixedly connected to one side of the protrusion 46. First, the driving motor 21 is started, and at this time, the output shaft of the driving motor 21 drives the single-threaded lead screw 22 to rotate, and the single-threaded lead screw 22 rotates to drive the moving plate 12 to move downward, and the moving plate 12 moves downward to drive the rope body 47 to move, and the movement of the rope body 47 can drive the protrusion 46 to move; in summary, the driving assembly is set to facilitate the movement of the protrusion 46.

[0036] like Figure 1 As shown, a buffer mechanism 5 is installed on the first vertical rod 23, and the buffer mechanism 5 includes a buffer ring 51 connected to the first vertical rod 23 in a vertical sliding manner and a buffer spring 52 vertically fixed to the bottom of the buffer ring 51; one end of the buffer spring 52 away from the buffer ring 51 is fixed to the bottom of the first vertical groove 11. The buffer mechanism 5 is provided to facilitate buffering the moving plate 12, thereby preventing the possibility that the protective tube 15 presses the patient's ring.

[0037] like Figure 1 and Figure 3As shown, it also includes a stabilizing mechanism 6 for improving the stability of the support plate 18, the stabilizing mechanism 6 includes a first longitudinal plate 61 horizontally abutting against the bottom of the buffer ring 51, a driving rod 62 vertically fixed to the bottom of the first longitudinal plate 61, a second longitudinal plate 63 horizontally fixed to the bottom of the driving rod 62, a second vertical groove 64 opened on one side of the support plate 18, and a second vertical rod 641 vertically fixed to the inner wall of the second vertical groove 64; the driving rod 62 is arranged to penetrate the bed plate 19, the second vertical rod 641 is arranged to penetrate the second longitudinal plate 63, the second longitudinal plate 63 is vertically slidably connected to the second vertical rod 641, the top of the second longitudinal plate 63 is vertically fixed with a first spring 631, and the first spring 6 One end of 31 away from the second longitudinal plate 63 is fixed to the bottom of the bed board 19; a third vertical slot 65 is opened on one side of the radiotherapy frame 1, and a third vertical rod 651 is vertically fixed in the third vertical slot 65, and a third vertical plate 66 is vertically slidably connected to the upper edge of the third vertical rod 651, and the third vertical plate 66 is arranged to penetrate the third vertical plate 66, and a second spring 67 is vertically fixed to the top of the third longitudinal plate 66, and one end of the second spring 67 away from the third longitudinal plate 66 is fixed to the top wall of the third vertical slot 65; a plurality of abutment blocks 68 are fixed to the bottom of the third longitudinal plate 66, and the plurality of abutment blocks 68 can abut against the bottom of the support plate 18; the top of the third longitudinal plate 66 abuts against the bottom of the second longitudinal plate 63. First, start the drive motor 21. At this time, the output shaft of the drive motor 21 drives the single-threaded screw 22 to rotate. The single-threaded screw 22 rotates to drive the movable plate 12 to move downward. The movable plate 12 moves downward to drive the buffer ring 51 to move downward. The buffer ring 51 moves downward to drive the first longitudinal plate 61 to move downward. The first longitudinal plate 61 moves downward to drive the driving rod 62 to move downward. The driving rod 62 moves downward to drive the second longitudinal plate 63 to move downward. The second longitudinal plate 63 moves downward to drive the third longitudinal plate 66 to move downward. The third longitudinal plate 66 moves downward to drive the abutment block 68 to move downward. The abutment block 68 moves downward to abut the bottom of the support plate 18, which can improve the stability of the support plate 18, and then improve the stability of the bed board 19, so as to avoid the patient from moving due to the movement of the bed board 19 when the patient is undergoing radiotherapy, thereby reducing damage to the patient. In summary, the stabilizing mechanism 6 set up can improve the stability of the support plate 18.

[0038] like Figure 1 and Figure 3 As shown, a limiting mechanism 7 for limiting the position of the human body is installed on the bed board 19. The setting of the limiting mechanism 7 can reduce the possibility of the patient moving around.

[0039] like Figure 1 and Figure 3As shown, the limiting mechanism 7 includes a mounting groove 71 provided inside the bed plate 19, a double-threaded lead screw 72 horizontally rotatably connected to the inner wall of the mounting groove 71 through a bearing, and a guide rod 73 horizontally fixed to the inner wall of the mounting groove 71; the double-threaded lead screw 72 is a lead screw with opposite threads at both ends, and the two ends of the double-threaded lead screw 72 are respectively threadedly connected with moving blocks 74, and the two moving blocks 74 are both slidably connected to the guide rod 73, and the guide rod 73 passes through the two moving plates 12; the top wall of the mounting groove 71 is provided with a second strip hole 711 for the moving block 74 to pass through; arc-shaped limiting plates 75 are symmetrically installed on the top of the two moving blocks 74, and a protective cover 76 is fixed to the inner side of each limiting plate 75; a driving component 8 for driving the double-threaded lead screw 72 to rotate is installed on the bed plate 19. When the patient needs to be limited in position, the double-threaded screw 72 is first driven to rotate by the driving assembly 8. The double-threaded screw 72 rotates to drive the two moving blocks 74 to move toward each other. The two moving blocks 74 move toward each other and drive the two limiting plates 75 to move toward each other. In this way, the patient can be limited in position, thereby reducing the possibility of the patient moving around.

[0040] like Figure 3 and Figure 4 As shown, the driving assembly 8 includes a vertical tube 81 vertically rotatably connected to the bed plate 19 through a bearing, a first bevel gear 82 fixed to the outer wall of the vertical tube 81, and a second bevel gear 83 fixed to the double-threaded screw 72 near one end of the vertical tube 81; the first bevel gear 82 is meshed with the second bevel gear 83; the outer wall of the driving rod 62 is sequentially fixed with a plurality of spiral blocks 84 along its circumference, and the inner wall of the vertical tube 81 is sequentially opened with a plurality of spiral grooves 85 along its circumference, and the plurality of spiral blocks 84 are matched with the plurality of spiral grooves 85 in a one-to-one correspondence. First, start the drive motor 21. At this time, the output shaft of the drive motor 21 drives the single-threaded screw 22 to rotate. The single-threaded screw 22 rotates to drive the movable plate 12 to move downward. The movable plate 12 moves downward to drive the buffer ring 51 to move downward. The buffer ring 51 moves downward to drive the first longitudinal plate 61 to move downward. The first longitudinal plate 61 moves downward to drive the drive rod 62 to move downward. Then, the drive rod 62 drives the vertical pipe 81 to rotate under the action of the spiral block 84 and the spiral groove 85. The rotation of the vertical pipe 81 drives the first bevel gear 82 to rotate. The first bevel gear 82 rotates to drive the second bevel gear 83 to rotate. The rotation of the second bevel gear 83 can drive the double-threaded screw 72 to rotate. In summary, the driving assembly 8 is provided to facilitate driving the double-threaded screw 72 to rotate.

[0041] Working principle: when radiotherapy is needed for the patient, first let the patient lie on the bed board 19, and then start the drive motor 21. At this time, the output shaft of the drive motor 21 drives the single-threaded screw 22 to rotate, and the single-threaded screw 22 rotates to drive the movable plate 12 to move downward. The movable plate 12 moves downward, driving the radiotherapy device 14 to move downward. The downward movement of the radiotherapy device 14 facilitates radiotherapy of the patient; furthermore, the movable plate 12 moves downward, driving the protective tube 15 to move downward, so that it is convenient to cover the patient's chest; in summary, by adopting the above scheme, it is convenient to cover the patient's chest when performing radiotherapy on the patient.

[0042] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A radiotherapy device for lung cancer, characterized in that: The invention comprises a radiotherapy frame (1), a first vertical slot (11) provided on one side of the radiotherapy frame (1), a movable plate (12) connected to the first vertical slot (11) in a vertical sliding manner, a driving mechanism (2) installed on the first vertical slot (11) for driving the movable plate (12) to move, a mounting seat (13) installed on the bottom of one end of the movable plate (12) away from the first vertical slot (11), and a radiotherapy device (14) installed on the bottom of the mounting seat (13); a protective tube (15) is installed on the bottom of the mounting seat (13), and the protective tube (15) is sleeved on the outside of the radiotherapy device (14); an annular groove (151) is provided on the bottom of the protective tube (15), A moving tube (16) is vertically slidably connected in the annular groove (151), an annular elastic band (162) is fixedly connected to the top of the moving tube (16), and one end of the elastic band (162) away from the moving tube (16) is fixedly connected to the top wall of the annular groove (151); a moving ring (161) is fixedly connected to the outer wall of the moving tube (16), and the moving ring (161) is vertically slidably connected to the annular groove (151); two sides of the radiotherapy frame (1) are respectively fixedly connected with slide rails (17), two support plates (18) are respectively slidably connected to the two slide rails (17), and the two support plates (18) are fixedly connected to the bed board (19).

2. A lung cancer radiotherapy device according to claim 1, characterized in that: The driving mechanism (2) comprises a driving motor (21) mounted on the top wall of the first vertical slot (11), a single-threaded lead screw (22) mounted on the output shaft of the driving motor (21), and a first vertical rod (23) fixedly connected to the inner wall of the first vertical slot (11); the moving plate (12) is threadedly connected to the single-threaded lead screw (22), and the moving plate (12) is slidably connected to the first vertical rod (23).

3. A lung cancer radiotherapy device according to claim 1, characterized in that: A transverse plate (3) is installed on the side of the radiotherapy frame (1) away from the first vertical slot (11), and an indicating mechanism (4) is installed on the transverse plate (3).

4. A lung cancer radiotherapy device according to claim 3, characterized in that: The indicating mechanism (4) comprises a horizontal groove (41) provided at the bottom of the horizontal plate (3), a horizontal rod (42) fixedly connected to the inner wall of the horizontal groove (41), a sliding sleeve (43) slidably connected to the horizontal rod (42), and an indicator light (44) installed at the bottom of the sliding sleeve (43), wherein the indicator light (44) can be located directly below the radiotherapy device (14); a horizontal spring (45) is fixedly connected to one side of the sliding sleeve (43), wherein one end of the horizontal spring (45) away from the sliding sleeve (43) is fixedly connected to the inner wall of one end of the horizontal groove (41) away from the first vertical groove (11); a first strip hole (411) is provided on the top wall of the horizontal groove (41), wherein a protrusion (46) is slidably connected in the first strip hole (411), wherein the protrusion (46) is fixedly connected to the top of the sliding sleeve (43); the indicating mechanism (4) further comprises a driving component for driving the protrusion (46) to move.

5. A lung cancer radiotherapy device according to claim 4, characterized in that: The driving assembly comprises a rope body (47) fixedly connected to one side of the moving plate (12), a first guide wheel (48) installed on the side of the radiotherapy frame (1) away from the first vertical groove (11), and a second guide wheel (49) installed on the inner wall of one end of the first strip hole (411) away from the first vertical groove (11); the end of the rope body (47) away from the moving plate (12) passes around the first guide wheel (48) and the second guide wheel (49) in sequence and is fixedly connected to one side of the protrusion (46).

6. A lung cancer radiotherapy device according to claim 2, characterized in that: A buffer mechanism (5) is installed on the first vertical rod (23), and the buffer mechanism (5) comprises a buffer ring (51) connected to the first vertical rod (23) in a vertical sliding manner, and a buffer spring (52) fixed to the bottom of the buffer ring (51); one end of the buffer spring (52) away from the buffer ring (51) is fixed to the bottom of the first vertical groove (11).

7. A lung cancer radiotherapy device according to claim 6, characterized in that: The bed plate (18) further comprises a stabilizing mechanism (6) for improving the stability of the support plate (18), the stabilizing mechanism (6) comprising a first longitudinal plate (61) abutting against the bottom of the buffer ring (51), a driving rod (62) fixedly connected to the bottom of the first longitudinal plate (61), a second longitudinal plate (63) fixedly connected to the bottom of the driving rod (62), a second vertical groove (64) opened on one side of the support plate (18), and a second vertical rod (641) fixedly connected to the inner wall of the second vertical groove (64); the driving rod (62) is arranged to pass through the bed plate (19), the second vertical rod (641) is arranged to pass through the second longitudinal plate (63), the second longitudinal plate (63) is connected to the second vertical rod (641) by sliding in the vertical direction, the top of the second longitudinal plate (63) is fixedly connected to a first spring (631), and the One end of the first spring (631) away from the second longitudinal plate (63) is fixedly connected to the bottom of the bed plate (19); a third vertical slot (65) is opened on one side of the radiotherapy frame (1), a third vertical rod (651) is fixedly connected in the third vertical slot (65), a third longitudinal plate (66) is slidably connected on the third vertical rod (651), a second spring (67) is fixedly connected to the top of the third longitudinal plate (66), and one end of the second spring (67) away from the third longitudinal plate (66) is fixedly connected to the top wall of the third vertical slot (65); a plurality of abutment blocks (68) are fixedly connected to the bottom of the third longitudinal plate (66), and the plurality of abutment blocks (68) can abut against the bottom of the support plate (18); the top of the third longitudinal plate (66) abuts against the bottom of the second longitudinal plate (63).

8. A lung cancer radiotherapy device according to claim 7, characterized in that: A limiting mechanism (7) for limiting the position of a human body is installed on the bed board (19).

9. A lung cancer radiotherapy device according to claim 8, characterized in that: The limiting mechanism (7) comprises a mounting groove (71) provided inside the bed plate (19), a double-threaded lead screw (72) rotatably connected to the inner wall of the mounting groove (71), and a guide rod (73) fixedly connected to the inner wall of the mounting groove (71); the two ends of the double-threaded lead screw (72) are respectively threadedly connected to moving blocks (74), and the two moving blocks (74) are slidably connected to the guide rod (73); the top wall of the mounting groove (71) is provided with a second strip hole (711) for the moving blocks (74) to pass through; arc-shaped limiting plates (75) are symmetrically installed on the top of the two moving blocks (74), and a protective sleeve (76) is fixedly connected to the inner side of each limiting plate (75); a driving assembly (8) for driving the double-threaded lead screw (72) to rotate is installed on the bed plate (19).

10. A lung cancer radiotherapy device according to claim 9, characterized in that: The driving assembly (8) comprises a vertical tube (81) rotatably connected to the bed plate (19), a first bevel gear (82) fixedly connected to the outer wall of the vertical tube (81), and a second bevel gear (83) fixedly connected to the double-threaded lead screw (72) near one end of the vertical tube (81); the first bevel gear (82) is meshed with the second bevel gear (83); the outer wall of the driving rod (62) is fixedly connected with a plurality of spiral blocks (84) in sequence along its circumference, and the inner wall of the vertical tube (81) is opened with a plurality of spiral grooves (85) in sequence along its circumference, and the plurality of spiral blocks (84) are matched with the plurality of spiral grooves (85) in a one-to-one correspondence.

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