Lumbar vertebra oblique position photography positioning bracket for treating lumbar spondylolisthesis through oblique lateral intervertebral fusion

Abstract

The invention discloses a lumbar vertebra oblique photography positioning bracket for treating lumbar spondylolisthesis through oblique lateral intervertebral fusion, and relates to the technical field of positioning brackets. The lumbar vertebra oblique position photography positioning bracket for treating lumbar spondylolisthesis through oblique lateral intervertebral fusion comprises a mounting plate, and two symmetrically-arranged clamping plates are fixedly connected to the side wall of the mounting plate. According to the lumbar vertebra oblique photography positioning bracket for treating lumbar spondylolisthesis through the oblique lateral intervertebral fusion, the whole bracket and a sickbed can be conveniently mounted and dismounted, and the bracket is more convenient and faster to use and easy to carry; during use, the inclination angle of each supporting rod can be adjusted conveniently, use is more convenient and faster, meanwhile, whether a patient abuts against the supporting rods or not can be monitored, the patient can be reminded of adjustment, and therefore the photographing effect is guaranteed; and after use is completed, the supporting rods can be conveniently reset to the horizontal state, use is more convenient and faster, the whole bracket is convenient to carry, and use is more convenient and faster.

Description

Technical Field

[0001] The invention relates to the technical field of positioning brackets, in particular to a lumbar oblique photography positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion. Background Art

[0002] When oblique lateral interbody fusion is used to treat lumbar spondylolisthesis, oblique lumbar photography is required. Oblique lumbar photography is one of the more commonly used conventional X-ray photography methods of the lumbar spine in the hospital radiology department. The oblique lumbar position is mainly an ideal and important photography position for examining lumbar isthmus fractures and malstructure. Due to the special anatomical relationship of the lumbar vertebral bodies and the lack of reliable oblique positioning landmarks on the surface, the ideal oblique lumbar photography requires accurate positioning to fully display the lumbar vertebral arch and intervertebral joints. At this time, a positioning bracket is needed to position the patient's lumbar spine.

[0003] However, the existing lumbar oblique radiographic positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion is not convenient to fix and disassemble from the bed, is not convenient to carry, and is not convenient and quick to use; when in use, it is not convenient to adjust the angle of the support rod, and is not convenient and quick to use; after use, it is not convenient to reset the support rod, and is not convenient and quick to use, and is not convenient to carry. Summary of the invention

[0004] The object of the present invention is to provide a lumbar oblique radiographic positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a lumbar oblique radiographic positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion, comprising a mounting plate, the side wall of the mounting plate being fixedly connected to two symmetrically arranged clamping plates, and the bottom of each clamping plate being connected to a clamping block through a clamping mechanism, the top of the mounting plate being rotatably connected to a plurality of array-arranged support rods through a plurality of rotating mechanisms, and the top of each support rod being provided with a strip opening, a sliding plate being slidably connected in the strip opening, and the sliding plate being connected to the bottom of the support rod through a reset mechanism, and a monitoring mechanism for monitoring the movement of the sliding plate being provided at the bottom of each support rod; Each of the rotating mechanisms includes two symmetrically arranged fixed plates fixedly connected to the top of the mounting plate, and a rotating block is rotatably connected between the two fixed plates via a rotating shaft, the rotating block is fixed to the bottom of the support rod, and a pointer is fixedly connected to the side wall of the fixed plate, an arc plate is fixedly connected to the bottom of each of the support rods, and an angle mark is provided on the side wall of the arc plate, a gear is fixedly provided on the side wall of the rotating shaft, and a rack is connected to the side wall of the fixed plate via a first reset assembly, the rack is meshed with the gear, and a limiting mechanism for limiting the rack is provided on the side wall of the fixed plate.

[0006] Preferably, the first reset assembly includes two symmetrically arranged support blocks fixedly connected to the side walls of the fixed plate, and the opposite side walls of the two support blocks are fixedly connected to two symmetrically arranged guide rods, the side wall of each guide rod is sleeved with a first slider, the first slider is fixed to the side wall of the rack, and the side wall of each guide rod is sleeved with a first spring.

[0007] Preferably, the limiting mechanism includes a plurality of array-arranged sockets opened on the side wall of the rack, and the side wall of the fixed plate is connected to a first movable block through a second reset assembly, the side wall of the first movable block is fixedly connected to a limiting rod, and the movement of the first movable block is driven by a pushing mechanism.

[0008] Preferably, the second reset assembly includes two symmetrically arranged first connecting blocks fixedly connected to the side wall of the first moving block, and the side wall of each first connecting block is inserted with a first T-shaped guide rod, one end of the first T-shaped guide rod is fixed to the side wall of the fixed plate, and the side wall of each first T-shaped guide rod is sleeved with a second spring.

[0009] Preferably, the pushing mechanism includes a first moving rod inserted into the side wall of the fixed plate, and the side wall fixed sleeve of the first moving rod is provided with a plurality of first pushing blocks arranged in an array, and the first pushing blocks are connected to the side wall of the fixed plate through a third reset assembly.

[0010] Preferably, the third reset assembly includes two symmetrically arranged second T-shaped guide rods fixedly connected to the side walls of one of the fixed plates, and the side walls of each second T-shaped guide rod are sleeved with a second slider, the second slider is fixed to the side wall of one of the first pushing blocks, and the side walls of each second T-shaped guide rod are sleeved with a third spring.

[0011] Preferably, the reset mechanism includes a first connecting plate fixedly connected to the side walls of each sliding plate, and two symmetrically arranged third T-shaped guide rods are inserted into the bottom of the first connecting plate, the upper end of the third T-shaped guide rod is fixed to the bottom of the support rod, and the side wall of each third T-shaped guide rod is sleeved with a fourth spring.

[0012] Preferably, the monitoring mechanism includes a second moving block, and the second moving block is connected to the bottom of the support rod through a moving assembly, the side wall of the second moving block is fixedly connected to the second moving rod, and the other end of the second moving rod is fixedly connected to an indicating block.

[0013] Preferably, the moving assembly includes a fixed block fixedly connected to the bottom of the support rod, and two symmetrically arranged fourth T-shaped guide rods are inserted into the side wall of the fixed block, one end of the fourth T-shaped guide rod is fixed to the side wall of the second moving block, and the side wall of each fourth T-shaped guide rod is sleeved with a fifth spring, the side wall of the second moving block is fixedly connected to a second pushing block, and the second pushing block includes an inclined surface.

[0014] Preferably, the clamping mechanism includes a sleeve fixedly connected to the bottom of the splint, and a sleeve rod is inserted in the sleeve, the lower end of the sleeve rod is fixedly connected to the second connecting plate, and the top of the second connecting plate is rotatably connected to a threaded rod, the side wall of the threaded rod is threadedly connected to a threaded tube, and the upper end of the threaded tube is fixed to the top of the splint, and the lower end of the threaded rod is fixedly connected to a rocker.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The lumbar oblique photography positioning bracket for the treatment of lumbar spondylolisthesis by oblique lateral intervertebral fusion is provided with a clamping mechanism, etc., and when positioning is performed, the splint and the clamping block are first clamped on the bedside of the hospital bed, and then the rocking wheel is turned. The rotation of the rocking wheel drives the rotation of the threaded rod, thereby driving the splint to move in the direction close to the clamping block, and then the entire bracket is clamped and fixed on the bedside of the hospital bed. After use, the entire bracket can be removed from the bed by reversing the rocking wheel, which is more convenient, faster to use and easy to carry; by providing a rotating mechanism, etc., when positioning is performed, when it is necessary to adjust the inclination angle of the support rod, the first moving block is pulled to make the limit rod withdraw from the socket, and at the same time, the second spring is compressed, and then the support rod is pushed along The rotating shaft rotates clockwise. At the same time, when the support rod rotates, the arc plate is driven to rotate synchronously. The inclination angle of the support rod can be determined by observing the angle mark indicated by the pointer. Moreover, when the rotating shaft rotates, the gear is driven to rotate synchronously, so that the rack slides along the guide rod, and the first spring is compressed. When the desired inclination angle is adjusted, the first moving block is released. At this time, the limit rod can be inserted into the jack for limiting under the action of the second spring, so as to facilitate the adjustment of the inclination angle of the support rod, and correct the positioning angle for the patient's body to tilt backward, so as to obtain clear and accurate images, which is more convenient and quick to use. By setting a pushing mechanism, after use is completed, the first moving rod is pulled, The first pushing block moves in the direction away from the fixed plate and abuts against the side wall of the first moving block. At the same time, the second sliding block slides on the second T-shaped guide rod, and the third spring is compressed, so that all the limit rods can be withdrawn from the insertion hole. At this time, the rack can move and reset under the action of the first spring, and push the gear and the rotating shaft to rotate and reset counterclockwise, thereby driving the support rod to rotate counterclockwise and reset to a horizontal state, which is convenient for resetting the support rod and is more convenient and quick to use. In addition, it is convenient to carry the entire bracket, which is more convenient and quick to use. The lumbar oblique photography positioning bracket for the treatment of lumbar spondylolisthesis by oblique lateral intervertebral fusion surgery, by setting a monitoring mechanism, etc., after the inclination angle adjustment of the support rod is completed, it can be used When the patient's lumbar vertebra is pressed against the sliding plate, the sliding plate is pushed to move downward and flush with the support rod. When the sliding plate moves downward, the first connecting plate slides downward along the third T-shaped guide rod, and the fourth spring is compressed. At the same time, the sliding plate presses against the inclined surface, thereby pushing the second moving block to move in the direction close to the fixed block. The fifth spring is compressed and drives the indicator block to move through the second moving rod. When the patient's lumbar vertebra is pressed into place, the indicator block can extend from the bottom of the support rod. If the patient's lumbar vertebra is not pressed into place, the indicator block will not extend. When taking pictures, the doctor can determine whether the patient is pressed against the support rod by observing whether the indicator block is extended, and can remind the patient to make adjustments, thereby ensuring the effect of the photography. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the use state of the present invention; Figure 2 It is a schematic diagram of the overall structure of the present invention; Figure 3 It is a schematic diagram of the position of the rotating mechanism in the present invention; Figure 4 It is a schematic diagram of the position of the monitoring mechanism in the present invention; Figure 5 for Figure 1 A schematic diagram of the enlarged structure at A in the middle; Figure 6 for Figure 3 A schematic diagram of the enlarged structure at B in the middle; Figure 7 for Figure 4 Schematic diagram of the enlarged structure at C in the middle; Figure 8 for Figure 6 Schematic diagram of the enlarged structure at D in the middle.

[0017] In the figure: 1, mounting plate; 2, first reset assembly; 201, support block; 202, guide rod; 203, first slider; 204, first spring; 3, limit mechanism; 301, jack; 302, first moving block; 303, limit rod; 4, second reset assembly; 401, first T-shaped guide rod; 402, first connecting block; 403, second spring; 5, push mechanism; 501, first moving rod; 502, first pushing block; 6, third reset assembly; 601, second slider; 602, second T-shaped guide rod; 603, third spring; 7, reset mechanism; 701, first connecting plate; 702, third T-shaped guide rod; 703, fourth spring; 8, monitoring mechanism; 801, second moving block; 802, second moving rod; 803, indicating block; 9, moving assembly; 901, fixed block; 902, fourth T-shaped guide rod; 903, fifth spring; 904, second push block; 905, inclined plane; 10, clamping mechanism; 1001, sleeve; 1002, sleeve rod; 1003, second connecting plate; 1004, threaded tube; 1005, threaded rod; 1006, rocker; 11, clamping plate; 12, clamping block; 13, supporting rod; 14, rotating mechanism; 1401, fixed plate; 1402, rotating shaft; 1403, rotating block; 1404, gear; 1405, rack; 15, pointer; 16, arc plate; 17, angle mark; 18, strip opening; 19, sliding plate; 20, hospital bed. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-Figure 8 The present invention provides a technical solution: a lumbar oblique radiographic positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion, comprising a mounting plate 1, the side wall of the mounting plate 1 being fixedly connected to two symmetrically arranged clamping plates 11, and the bottom of each clamping plate 11 being connected to a clamping block 12 through a clamping mechanism 10, the top of the mounting plate 1 being rotatably connected to a plurality of array-arranged support rods 13 through a plurality of rotating mechanisms 14, and the top of each support rod 13 being provided with a strip opening 18, a sliding plate 19 being slidably connected in the strip opening 18, and the sliding plate 19 being connected to the bottom of the support rod 13 through a resetting mechanism 7, and a monitoring mechanism 8 for monitoring the movement of the sliding plate 19 being provided at the bottom of each support rod 13; Each rotating mechanism 14 includes two symmetrically arranged fixed plates 1401 fixedly connected to the top of the mounting plate 1, and a rotating block 1403 is rotatably connected between the two fixed plates 1401 through a rotating shaft 1402, the rotating block 1403 is fixed to the bottom of the support rod 13, and a pointer 15 is fixedly connected to the side wall of the fixed plate 1401, and an arc plate 16 is fixedly connected to the bottom of each support rod 13, and an angle mark 17 is arranged on the side wall of the arc plate 16, a gear 1404 is fixedly sleeved on the side wall of the rotating shaft 1402, and a rack 1405 is connected to the side wall of the fixed plate 1401 through the first reset component 2, and the rack 1405 It is meshed with the gear 1404, and the side wall of the fixed plate 1401 is provided with a limiting mechanism 3 for limiting the rack 1405, which is convenient for installing and disassembling the entire bracket and the bed 20, and is more convenient and quick to use and easy to carry; when in use, it is convenient to adjust the inclination angle of each support rod 13, which is more convenient and quick to use. At the same time, it can monitor whether the patient is in close contact with the support rod 13, and can remind the patient to make adjustments, thereby ensuring the photographic effect; after use, it is convenient to reset the support rod 13 to a horizontal state, which is more convenient and quick to use, and it is easy to carry the entire bracket, which is more convenient and quick to use.

[0020] The first reset component 2 includes two symmetrically arranged support blocks 201 fixedly connected to the side walls of the fixed plate 1401, and the opposite side walls of the two support blocks 201 are fixedly connected to two symmetrically arranged guide rods 202, and the side wall of each guide rod 202 is sleeved with a first slider 203, the first slider 203 is fixed to the side wall of the rack 1405, and the side wall of each guide rod 202 is sleeved with a first spring 204, which guides and resets the movement of the rack 1405.

[0021] The limiting mechanism 3 includes a plurality of array-arranged sockets 301 provided on the side wall of the rack 1405, and the side wall of the fixed plate 1401 is connected to the first moving block 302 through the second reset component 4, the side wall of the first moving block 302 is fixedly connected to the limiting rod 303, and the movement of the first moving block 302 is pushed by the pushing mechanism 5. When positioning, when it is necessary to adjust the inclination angle of the support rod 13, the first moving block 302 is pulled to make the limiting rod 303 withdraw from the socket 301, and then the support rod 13 is pushed to rotate clockwise along the rotating shaft 1402. At the same time, when the support rod 13 rotates, the arc plate 16 is driven to rotate synchronously. The inclination angle of the support rod 13 can be determined by observing the angle mark 17 indicated by the pointer 15. Moreover, when the rotating shaft 1402 rotates, the gear 1404 is driven to rotate synchronously, so that the rack 1405 slides along the guide rod 202, and the first spring 204 is compressed. When the required inclination angle is adjusted, the first moving block 302 is released. At this time, the limit rod 303 can be inserted into the hole 301 for limiting under the action of the second reset component 4.

[0022] The second resetting assembly 4 includes two symmetrically arranged first connecting blocks 402 fixedly connected to the side wall of the first moving block 302, and a first T-shaped guide rod 401 is inserted into the side wall of each first connecting block 402, one end of the first T-shaped guide rod 401 is fixed to the side wall of the fixed plate 1401, and a second spring 403 is sleeved on the side wall of each first T-shaped guide rod 401, which plays a guiding and resetting role for the movement of the first moving block 302.

[0023] The pushing mechanism 5 includes a first moving rod 501 inserted into the side wall of the fixed plate 1401, and the side wall of the first moving rod 501 is fixedly sleeved with a plurality of first pushing blocks 502 arranged in an array. The first pushing block 502 is connected to the side wall of the fixed plate 1401 through a third reset component 6. After use, the first moving rod 501 is pulled so that the first pushing block 502 moves away from the fixed plate 1401 and abuts against the side wall of the first moving block 302, so that some limit rods 303 can be withdrawn from the insertion hole 301. At this time, the rack 1405 can move and reset under the action of the first spring 204, and push the gear 1404 and the rotating shaft 1402 to rotate counterclockwise and reset, thereby driving the support rod 13 to rotate counterclockwise and reset to a horizontal state, which is convenient for synchronously resetting the support rod 13.

[0024] The third reset assembly 6 includes two symmetrically arranged second T-shaped guide rods 602 fixedly connected to the side wall of one of the fixed plates 1401, and the side wall of each second T-shaped guide rod 602 is sleeved with a second slider 601, the second slider 601 is fixed to the side wall of one of the first pushing blocks 502, and the side wall of each second T-shaped guide rod 602 is sleeved with a third spring 603, which guides and resets the movement of the first pushing block 502.

[0025] The reset mechanism 7 includes a first connecting plate 701 fixedly connected to the side walls of each sliding plate 19, and two symmetrically arranged third T-shaped guide rods 702 are inserted at the bottom of the first connecting plate 701, the upper end of the third T-shaped guide rod 702 is fixed to the bottom of the support rod 13, and the side wall of each third T-shaped guide rod 702 is sleeved with a fourth spring 703, which plays a guiding and resetting role in the movement of the sliding plate 19.

[0026] The monitoring mechanism 8 includes a second moving block 801, and the second moving block 801 is connected to the bottom of the support rod 13 through a moving assembly 9. The side wall of the second moving block 801 is fixedly connected to the second moving rod 802, and the other end of the second moving rod 802 is fixedly connected to an indicating block 803. After the inclination angle of the support rod 13 is adjusted, when in use, the patient's lumbar vertebra is against the sliding plate 19, thereby pushing the sliding plate 19 to move downward and be flush with the support rod 13. When the sliding plate 19 moves downward, the second moving block 801 is moved through the moving assembly 9, and the indicating block 803 is driven to move by the second moving rod 802. When the patient's lumbar vertebra is pressed tightly in place, the indicating block 803 can be extended from the bottom of the support rod 13. If the patient's lumbar vertebra is not pressed tightly in place, the indicating block 803 will not extend. When taking pictures, the doctor can determine whether the patient is pressed tightly against the support rod 13 by observing whether the indicating block 803 is extended, and can remind the patient to make adjustments, thereby ensuring the effect of the photography.

[0027] The moving assembly 9 includes a fixed block 901 fixedly connected to the bottom of the support rod 13, and two symmetrically arranged fourth T-shaped guide rods 902 are inserted into the side wall of the fixed block 901, one end of the fourth T-shaped guide rod 902 is fixed to the side wall of the second moving block 801, and the side wall of each fourth T-shaped guide rod 902 is sleeved with a fifth spring 903, the side wall of the second moving block 801 is fixedly connected with a second pushing block 904, and the second pushing block 904 includes an inclined surface 905, the sliding plate 19 is against the inclined surface 905, thereby pushing the second moving block 801 to move in the direction close to the fixed block 901, the fifth spring 903 is compressed, and the indicating block 803 is driven to move through the second moving rod 802.

[0028] The clamping mechanism 10 includes a sleeve 1001 fixedly connected to the bottom of the splint 11, and a sleeve rod 1002 is inserted in the sleeve 1001, the lower end of the sleeve rod 1002 is fixedly connected to the second connecting plate 1003, and the top of the second connecting plate 1003 is rotatably connected to a threaded rod 1005, the side wall of the threaded rod 1005 is threadedly connected to a threaded tube 1004, and the upper end of the threaded tube 1004 is fixed to the top of the splint 11, and the lower end of the threaded rod 1005 is fixedly connected to a rocking wheel 1006. When the rocking wheel 1006 is turned, the rotation of the rocking wheel 1006 drives the rotation of the threaded rod 1005, thereby driving the splint 11 to move in a direction close to the clamping block 12, and then the entire bracket is clamped and fixed to the bedside of the bed 20. After use, the entire bracket can be removed from the bed 20 by reversing the rocking wheel 1006, which is more convenient and quick to use and easy to carry.

[0029] Working principle: When in use, when positioning, first clamp the splint 11 and the clamp block 12 on the bedside of the bed 20, then rotate the rocker 1006, the rotation of the rocker 1006 drives the rotation of the threaded rod 1005, thereby driving the splint 11 to move toward the clamp block 12, and then clamping and fixing the entire bracket on the bedside of the bed 20; When positioning, when the inclination angle of the support rod 13 needs to be adjusted, the first moving block 302 is pulled so that the limiting rod 303 withdraws from the insertion hole 301, and at the same time, the second spring 403 is compressed, and then the support rod 13 is pushed to rotate clockwise along the rotating shaft 1402. At the same time, when the support rod 13 rotates, the arc plate 16 is driven to rotate synchronously. By observing the angle mark 17 indicated by the pointer 15, the inclination angle of the support rod 13 can be determined, and when the rotating shaft 1402 rotates, the gear 1404 is driven to rotate synchronously, so that the rack 1405 slides along the guide rod 202, and the first spring 204 is compressed. When the inclination angle is adjusted to the required angle, the first moving block 302 is released. At this time, the limiting rod 303 can be inserted into the insertion hole 301 for limiting under the action of the second spring 403, so as to facilitate the adjustment of the inclination angle of the support rod 13, and correct the positioning angle for the patient's body to tilt backward, so as to facilitate obtaining clear and accurate images, and the use is more convenient and quick; After the inclination angle adjustment of the support rod 13 is completed, when in use, the patient's lumbar vertebra abuts against the sliding plate 19, thereby pushing the sliding plate 19 to move downward and be flush with the support rod 13. When the sliding plate 19 moves downward, the first connecting plate 701 slides downward along the third T-shaped guide rod 702, and the fourth spring 703 is compressed. At the same time, the sliding plate 19 abuts against the inclined surface 905, thereby pushing the second moving block 801 to move in the direction close to the fixed block 901. The fifth spring 903 is compressed and drives the indicator block 803 to move through the second moving rod 802. When the patient's lumbar vertebra is pressed tightly in place, the indicator block 803 can extend from the bottom of the support rod 13. If the patient's lumbar vertebra is not pressed tightly in place, the indicator block 803 will not extend. When taking pictures, the doctor can determine whether the patient is pressed tightly against the support rod 13 by observing whether the indicator block 803 is extended, and can remind the patient to make adjustments, thereby ensuring the effect of the photography. After use is completed, the first moving rod 501 is pulled, so that the first pushing block 502 moves in the direction away from the fixed plate 1401 and abuts against the side wall of the first moving block 302. At the same time, the second sliding block 601 slides on the second T-shaped guide rod 602, and the third spring 603 is compressed, so that some limiting rods 303 can be withdrawn from the insertion hole 301. At this time, the rack 1405 can move and reset under the action of the first spring 204, and push the gear 1404 and the rotating shaft 1402 to rotate counterclockwise and reset, thereby driving the support rod 13 to rotate counterclockwise and reset to a horizontal state, which is convenient for resetting the support rod 13, making it more convenient and quick to use, and it is convenient to carry the entire bracket, making it more convenient and quick to use; By reversing the rocking wheel 1006, the entire bracket can be removed from the hospital bed 20, making it more convenient and quick to use and easy to carry.

Claims

1. A lumbar oblique radiographic positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion, comprising a mounting plate (1), characterized in that: The side wall of the mounting plate (1) is fixedly connected to two symmetrically arranged clamping plates (11), and the bottom of each clamping plate (11) is connected to a clamping block (12) via a clamping mechanism (10); the top of the mounting plate (1) is rotatably connected to a plurality of support rods (13) arranged in an array via a plurality of rotating mechanisms (14), and the top of each support rod (13) is provided with a strip opening (18), a sliding plate (19) is slidably connected in the strip opening (18), and the sliding plate (19) is connected to the bottom of the support rod (13) via a reset mechanism (7), and a monitoring mechanism (8) for monitoring the movement of the sliding plate (19) is provided at the bottom of each support rod (13); Each of the rotating mechanisms (14) comprises two symmetrically arranged fixed plates (1401) fixedly connected to the top of the mounting plate (1), and a rotating block (1403) is rotatably connected between the two fixed plates (1401) via a rotating shaft (1402), the rotating block (1403) is fixed to the bottom of the support rod (13), and a pointer (15) is fixedly connected to the side wall of the fixed plate (1401), an arc plate (16) is fixedly connected to the bottom of each of the support rods (13), and an angle mark (17) is provided on the side wall of the arc plate (16), a gear (1404) is fixedly sleeved on the side wall of the rotating shaft (1402), and a rack (1405) is connected to the side wall of the fixed plate (1401) via a first reset assembly (2), the rack (1405) is meshed with the gear (1404), and a limiting mechanism (3) for limiting the rack (1405) is provided on the side wall of the fixed plate (1401).

2. The lumbar oblique radiographic positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion according to claim 1, characterized in that: The first reset assembly (2) comprises two symmetrically arranged support blocks (201) fixedly connected to the side walls of the fixed plate (1401), and the opposite side walls of the two support blocks (201) are fixedly connected to two symmetrically arranged guide rods (202), the side walls of each of the guide rods (202) are sleeved with a first slider (203), the first slider (203) is fixed to the side wall of the rack (1405), and the side walls of each of the guide rods (202) are sleeved with a first spring (204).

3. The lumbar oblique radiographic positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion according to claim 1, characterized in that: The limiting mechanism (3) comprises a plurality of array-arranged sockets (301) provided on the side wall of the rack (1405), and the side wall of the fixed plate (1401) is connected to a first moving block (302) via a second reset assembly (4), the side wall of the first moving block (302) is fixedly connected to a limiting rod (303), and the movement of the first moving block (302) is driven by a driving mechanism (5).

4. The lumbar oblique radiographic positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion according to claim 3, characterized in that: The second reset assembly (4) comprises two symmetrically arranged first connecting blocks (402) fixedly connected to the side wall of the first moving block (302), and a first T-shaped guide rod (401) is inserted into the side wall of each first connecting block (402), one end of the first T-shaped guide rod (401) is fixed to the side wall of the fixed plate (1401), and a second spring (403) is sleeved on the side wall of each first T-shaped guide rod (401).

5. The lumbar oblique radiographic positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion according to claim 4, characterized in that: The pushing mechanism (5) comprises a first moving rod (501) inserted into the side wall of the fixed plate (1401), and the side wall of the first moving rod (501) is fixedly sleeved with a plurality of first pushing blocks (502) arranged in an array, and the first pushing blocks (502) are connected to the side wall of the fixed plate (1401) via a third resetting assembly (6).

6. The lumbar oblique radiographic positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion according to claim 5, characterized in that: The third reset assembly (6) comprises two symmetrically arranged second T-shaped guide rods (602) fixedly connected to the side wall of one of the fixed plates (1401), and the side wall of each second T-shaped guide rod (602) is sleeved with a second slider (601), the second slider (601) is fixed to the side wall of one of the first push blocks (502), and the side wall of each second T-shaped guide rod (602) is sleeved with a third spring (603).

7. The lumbar oblique radiographic positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion according to claim 1, characterized in that: The reset mechanism (7) comprises a first connecting plate (701) fixedly connected to the side wall of each sliding plate (19), and two symmetrically arranged third T-shaped guide rods (702) are inserted into the bottom of the first connecting plate (701), the upper end of the third T-shaped guide rod (702) is fixed to the bottom of the support rod (13), and the side wall of each third T-shaped guide rod (702) is sleeved with a fourth spring (703).

8. The lumbar oblique radiographic positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion according to claim 1, characterized in that: The monitoring mechanism (8) comprises a second moving block (801), and the second moving block (801) is connected to the bottom of the support rod (13) via a moving assembly (9), a second moving rod (802) is fixedly connected to the side wall of the second moving block (801), and an indicating block (803) is fixedly connected to the other end of the second moving rod (802).

9. The lumbar oblique radiographic positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion according to claim 8, characterized in that: The moving assembly (9) comprises a fixed block (901) fixedly connected to the bottom of the support rod (13), and two symmetrically arranged fourth T-shaped guide rods (902) are inserted into the side wall of the fixed block (901), one end of the fourth T-shaped guide rod (902) is fixed to the side wall of the second moving block (801), and the side wall of each fourth T-shaped guide rod (902) is sleeved with a fifth spring (903), and the side wall of the second moving block (801) is fixedly connected to a second pushing block (904), and the second pushing block (904) comprises an inclined surface (905).

10. The lumbar oblique radiographic positioning bracket for treating lumbar spondylolisthesis by oblique lateral intervertebral fusion according to claim 1, characterized in that: The clamping mechanism (10) comprises a sleeve (1001) fixedly connected to the bottom of the clamping plate (11), and a sleeve rod (1002) is inserted into the sleeve (1001), the lower end of the sleeve rod (1002) is fixedly connected to the second connecting plate (1003), and the top of the second connecting plate (1003) is rotatably connected to a threaded rod (1005), the side wall of the threaded rod (1005) is threadedly connected to a threaded tube (1004), and the upper end of the threaded tube (1004) is fixed to the top of the clamping plate (11), and the lower end of the threaded rod (1005) is fixedly connected to a rocker (1006).

Images