High-precision positioning puncture device for spinal surgery

Abstract

The invention provides a high-precision positioning puncture device for spinal surgeries, and relates to the technical field of spinal surgeries, the high-precision positioning puncture device comprises a box body for supporting, the bottom of the interior of the box body is rotatably connected with a first supporting rotating shaft for supporting through a bearing, and two swing plates are symmetrically welded to the two sides of the surface of the first supporting rotating shaft; strong springs used for buffering are fixedly arranged on the front sides and the rear sides of the two swing plates and the inner wall of the box body. During use, through cooperative work of the regulation and control unit, the needle inserting unit and the tightening unit, a basic structure for precise positioning and operation is provided for spinal surgery puncture, and through arrangement of the height adjustment module, the requirements of patients with different body types for the height of the device under different surgery scenes can be met; by arranging the angle adjusting module, the puncture angle can be accurately adjusted according to the actual condition of the spine of the patient, and the puncture accuracy is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of spinal surgery, and in particular to a positioning puncture device for spinal surgery with high accuracy. Background Art

[0002] The spine is located in the middle of the back and is the central axis of the torso. It is composed of 33 vertebrae, including 7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae, 5 sacral vertebrae, and 4 coccygeal vertebrae. The 5 sacral vertebrae are fused into a complete sacrum, and the 4 coccygeal vertebrae are fused into a complete part called the coccyx. There is a hole in the center of these two vertebrae, connecting the vertebral canal called the spinal canal, which is responsible for fixing the spinal cord and protecting it. Each vertebra has a joint connected to the adjacent vertebrae, called the intervertebral joint. There are many types of spinal surgery, which are suitable for cervical spondylosis, lumbar disc herniation, spinal fracture, vertebral slippage, spinal cord injury, spinal tumors and other diseases. These are all common diseases in clinical practice. Many orthopedic diseases require spinal surgery, as well as spinal tumors, schwannomas, spinal tuberculosis, ossification of the posterior longitudinal ligament and many other diseases that require spinal surgery.

[0003] Among them, the most common spinal puncture in clinical practice is lumbar puncture, which is a commonly used diagnostic and treatment operation in clinical practice. It is mainly suitable for diagnosis and treatment. In terms of diagnosis, it can be used to collect cerebrospinal fluid for testing, analyze the nature of the cerebrospinal fluid, and use it for differential diagnosis. It can also indirectly measure intracranial pressure and can also be used for dynamic examination of cerebrospinal fluid or for myelography. The therapeutic effect is mainly reflected in the drainage of hemorrhagic cerebrospinal fluid. In addition, cerebrospinal fluid can be drained to reduce intracranial pressure, or drugs can be injected into the spinal canal to treat inflammatory or tumor-related diseases.

[0004] At present, spinal puncture operations mostly rely on manual puncture. Manual puncture not only requires high-level skills from medical staff, but also requires the removal, placement and switching of the tools used for puncture, which will consume some energy of medical staff. Improper storage of tools can easily pollute the working environment and cannot actually guarantee the health and safety of patients. Even the existing devices that can assist puncture and needle insertion still cannot be rotated to assist needle insertion for special groups of people and special circumstances, affecting the actual needle insertion effect. In addition, the needle core still needs to be manually removed and placed, increasing the risk of contamination of the needle insertion tool. Summary of the invention

[0005] The purpose of the present invention is to provide a highly accurate positioning puncture device for spinal surgery, aiming to solve the problems in the prior art that actual surgery consumes the energy of medical staff, easily pollutes the working environment, has the risk of contamination of the needle insertion tool, and cannot be used for special situations of special populations to rotate and assist the needle insertion.

[0006] To achieve the above object, the present invention adopts the following technical solution: A positioning puncture device for spinal surgery with high precision comprises a box body for support, the bottom of the box body is rotatably connected to a first supporting shaft for support through a bearing, two swing plates are symmetrically welded on both sides of the surface of the first supporting shaft, and strong springs for buffering are fixedly arranged on the front and rear sides of the two swing plates to the inner wall of the box body, a mounting plate for connection is fixedly arranged on the top of the first supporting shaft, a support limit plate for corrective support is arranged on one side of the mounting plate, a control unit for adjustment is welded on the top of the mounting plate, a needle insertion unit for controlling the needle is fixedly arranged on the top of the control unit, and a tightening unit is fixedly arranged on one side of the needle insertion unit.

[0007] Preferably, the control unit includes a height adjustment module and an angle adjustment module, the height adjustment module includes a lifting protective shell welded on the top of the mounting plate, a lifting rod is slidably connected inside the lifting protective shell, an engaging groove is provided on the surface of the lifting rod, a height adjustment driving rod is rotatably connected to one side of the lifting protective shell for driving, a height adjustment driving gear is fixedly provided at one end of the height adjustment driving rod, the height adjustment driving gear is meshed with the lifting rod through the meshing groove, a pulling block for adjustment is slidably connected inside one side of the lifting protective shell, gear teeth are provided at the bottom of the pulling block, and the pulling block is meshed with the height adjustment driving gear through the gear teeth.

[0008] Preferably, the angle adjustment module includes an angle control protective shell fixedly arranged on the top of the lifting rod, a protective plate for protection is clamped on the top of the angle control protective shell, a threaded groove is provided on the inner side of the angle control protective shell, and the angle control protective shell is threadedly connected with a rotating rod with a thread on the surface and used for adjustment by means of the threaded groove, one end of the rotating rod is rotatably connected with a sliding plate providing an installation environment through a rotating shaft and a bearing, a fastening gear for limiting is fixedly arranged at the left position of the top of the sliding plate, an angle adjustment driving rod for driving is rotatably connected at the right position of the top of the sliding plate through a shaft and a bearing, an angle adjustment driving gear is fixedly arranged on the surface of the angle adjustment driving rod, a second supporting rotating shaft for support is rotatably connected to the top of the protective plate, an angle adjustment driven gear is fixedly arranged on the surface of the second supporting rotating shaft, the angle adjustment driven gear is adapted to each other with the angle adjustment driving gear and the fastening gear, a first limiting rod for limiting is fixedly arranged on the inner side of the angle control protective shell, the sliding plate is slidably sleeved on the surface of the first limiting rod, and a mounting sleeve is fixedly arranged on the top of the second supporting rotating shaft.

[0009] Preferably, the needle insertion unit includes a protective sleeve fixedly sleeved inside the mounting sleeve for position limiting protection, one end of the protective sleeve is fixedly provided with a needle insertion protective shell for installation and capable of position limiting protection, a needle insertion drive rod is rotatably connected inside the protective sleeve, a driving bevel gear is fixedly provided at the rear end of the needle insertion drive rod, a thread groove is provided on the surface of the needle insertion drive rod near the front end, the needle insertion drive rod is threadedly connected with a fastening nut by means of the surface of the thread groove, an adjustment rod is rotatably connected inside the front side of the needle insertion protective shell, two thread grooves with opposite thread directions but completely identical other conditions are provided on the surface of the adjustment rod in sequence from front to back, the adjustment rod is threadedly connected to a first threaded sleeve through the front thread groove, the adjustment rod is threadedly connected to a second threaded sleeve through the rear thread groove, an adjustment frame is fixedly provided on the surface of the first threaded sleeve, an engaging block is fixedly provided on one side of the adjustment frame, a chamfer is provided at one end of the engaging block, and the number of the engaging blocks is several and the several engaging blocks are all in the order of the number of the engagement blocks. The center of the needle driving rod circle axis position is symmetrically arranged on one side of the adjustment frame, a main crown gear is fixedly arranged on the surface of the second threaded sleeve, two supporting slide grooves for limiting are arranged inside the needle protection shell, and support sliders are slidably connected inside the two supporting slide grooves, and a secondary crown gear is arranged on the surface of one side of the support slider near the front, and the main crown gear and the secondary crown gear are adapted to each other, and a driven bevel gear for auxiliary transmission is rotatably connected to one side of the support slider through a shaft and a bearing, and the driven bevel gear and the driving bevel gear are meshed with each other, and a meshing groove is arranged on the surface of the driven bevel gear, and a chamfer is arranged at the port position inside the meshing groove, and the number of the meshing grooves is several, and the meshing block on one side of the adjustment frame is matched and clamped in the meshing groove on the surface of the driven bevel gear, and an adjustment plate is rotatably connected to one side of the driven bevel gear away from the center of the driven bevel gear, and a control rod is rotatably connected to one side of the adjustment plate near the edge, and the control rod is slidably sleeved inside the port at one end of the needle protection shell.

[0010] Preferably, a support slide rod for limiting position is fixedly provided on one side of the interior of the needle protection shell, a cylindrical slide groove for limiting position is provided inside the adjustment frame, and the support slide rod is slidably connected inside the cylindrical slide groove.

[0011] Preferably, a limiting slide groove for limiting is provided inside the needle protection shell, a limiting slider is slidably connected inside the limiting slide groove, and the limiting slider is fixedly arranged on one side of the surface of the main crown gear.

[0012] Preferably, the tightening unit includes a tightening protective shell welded to one side of the control rod, the tightening protective shell is rotatably connected to an outer sleeve for support, the surface of the outer sleeve is provided with a threaded groove for matching, the outer sleeve is threadedly connected to a third threaded sleeve by means of the threaded groove on the surface, a connecting frame is fixedly provided on one side of the third threaded sleeve, a fixed tightening ring for tightening and limiting is fixedly provided on one side of the connecting frame, a storage slot is provided inside the connecting frame, a movable tightening ring with an anti-slip pad is clamped inside the storage slot, a tightening driving rod is rotatably and slidably connected inside the outer sleeve, a hexagonal clamping block for clamping and fixing is fixedly provided on the surface of the tightening driving rod near the front end, a hexagonal clamping slot for auxiliary fixing is provided inside the front end of the outer sleeve, the hexagonal clamping block is adapted to the hexagonal clamping slot, and the surface of the tightening driving rod is near the rear end The cam is fixed with two limit baffles, and a conical sleeve is sleeved on the surface of the tightening driving rod and located at the inner position of the two limit baffles. A limit tooth groove is provided inside the rear side of the tightening protective shell, and the conical sleeve is slidably connected to the inside of the limit tooth groove. A tightening driving gear is fixedly provided at the rear end of the tightening driving rod, and the gear teeth on the rear end of the conical sleeve, the front and rear ends of the tightening driving gear and the front and rear ends of the fastening driven gear are all provided with chamfered corners. The rear side surface of the tightening protective shell is rotatably connected with a tightening driven gear and two mutually meshing tightening transmission gears through an axis, and the tightening driving gear and the tightening driven gear are meshed with each other, and the tightening driven gear is meshed with one of the tightening transmission gears, and a tightening frame for tightening is fixedly provided behind the two mutually meshing tightening transmission gears, and a needle body is tightened and limited inside the two tightening frames, and a needle core is inserted in the needle body.

[0013] Preferably, a second limiting rod for limiting is fixedly arranged inside the tightening protective shell, the number of the second limiting rods is two, the two second limiting rods are parallel to the axis of the tightening drive rod and are symmetrically fixed on the inner side of the tightening protective shell with the axis as a reference.

[0014] Preferably, two strong clamps for fixing are connected by bolts at symmetrical positions on both sides of the box body surface, and the number of the strong springs is twelve, which are evenly distributed on the two swing plates and one side of the inner wall of the box body.

[0015] The beneficial effects of the present invention are: When the present invention is in use, the control unit, the needle insertion unit and the tightening unit work together to provide a basic structure for accurate positioning and operation of spinal surgery puncture. By setting a height adjustment module, the height requirements of the device in patients of different sizes and different surgical scenes can be met. By setting an angle adjustment module, the puncture angle can be accurately adjusted according to the actual situation of the patient's spine, thereby improving the accuracy of puncture. 2. When the present invention is in use, by setting up a needle insertion module, the needle can be directly inserted, and at the same time, the needle can be driven to rotate to assist the insertion according to actual conditions. The needle insertion method can be adjusted and controlled according to different requirements and environments, which greatly improves the efficiency of needle puncture. By setting up a tightening unit, the needle body can be assisted in tightening and stabilizing. At the same time, the tightening unit can assist in automatically pulling out and plugging the needle core, reducing the direct contact between the staff and the needle body and the needle core, and improving the overall hygiene and safety of the puncture work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the shelling structure of the present invention; Figure 3 It is a structural schematic diagram of a partial cross section in the present invention; Figure 4 It is a structural schematic diagram of the support part in the present invention; Figure 5 It is a schematic diagram of the structure of the control unit in the present invention; Figure 6 It is a schematic diagram of the structural disassembly of the control unit in the present invention; Figure 7 It is a schematic cross-sectional structure diagram of the needle insertion unit in the present invention; Figure 8 It is a schematic diagram of the disassembly of the structure of the needle insertion unit in the present invention; Fig. 9 It is a schematic diagram of the cross-sectional structure of the tightening unit in the present invention; Fig.10 It is a schematic diagram of the structural disassembly of the tightening unit in the present invention; Fig.11 yes Figure 7 A schematic diagram of the enlarged structure at A in the middle; Fig.12 yes Figure 8 A schematic diagram of the enlarged structure at B in the middle; Fig.13 yes Fig.10 Schematic diagram of the enlarged structure at point C in the middle.

[0017] In the figure: 1. Power clamp; 2. Box body; 3. Mounting plate; 4. Lifting protective shell; 5. Angle adjustment protective shell; 6. Needle protection shell; 7. Tightening protective shell; 8. Power spring; 9. First supporting shaft; 10. Swinging plate; 11. Height adjustment drive rod; 12. Lifting rod; 13. Pull block; 14. Protective plate; 15. Mounting sleeve; 16. Angle adjustment drive rod; 17. Height adjustment drive gear; 18. Angle adjustment driven gear; 19. Fastening gear; 20. Angle adjustment drive gear; 21. Second supporting shaft; 22. Sliding plate; 23. First limit rod; 24. Rotating rod; 25. Needle drive rod; 26. Tightening nut; 27. Protective sleeve; 28. Tightening drive rod; 29. ​​Support slide; 30. Support slider; 31. Limit slide; 32. Limit slider; 33. Main crown gear; 34, adjusting rod; 35, first threaded sleeve; 36, second threaded sleeve; 37, cylindrical slide; 38, supporting slide rod; 39, adjusting frame; 40, driving bevel gear; 41, meshing block; 42, driven bevel gear; 43, adjusting plate; 44, control rod; 45, secondary crown gear; 46, outer sleeve; 47, third threaded sleeve; 48, limit tooth groove; 49, cone sleeve; 50, connecting Connecting frame; 51. Fixing clamping ring; 52. Moving clamping ring; 53. Fastening driving gear; 54. Fastening driven gear; 55. Fastening transmission gear; 56. Fastening frame; 57. Needle body; 58. Needle core; 59. Hexagonal card slot; 60. Second limiting rod; 61. Engaging card slot; 62. Storage card slot; 63. Hexagonal card block; 64. Anti-skid pad; 65. Limit baffle; 66. Limit support plate. DETAILED DESCRIPTION

[0018] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0019] Embodiment 1: This embodiment provides a high-precision positioning puncture device for spinal surgery, such as Figure 1-13 As shown, it includes a box body 2 for support, the bottom of the inner part of the box body 2 is rotatably connected with a first supporting shaft 9 for support through a bearing, two swing plates 10 are symmetrically welded on both sides of the surface of the first supporting shaft 9, and strong springs 8 for buffering are fixedly arranged on the front and rear sides of the two swing plates 10 and the inner wall of the box body 2, a mounting plate 3 for connection is fixedly arranged on the top of the first supporting shaft 9, a support limit plate 66 for correcting the support is arranged on one side of the mounting plate 3, a regulating unit for adjustment is welded on the top of the mounting plate 3, a needle insertion unit for controlling the needle is fixedly arranged at the top position of the regulating unit, and a tightening unit is fixedly arranged on one side of the needle insertion unit, two strong clamps 1 for fixing are installed and connected by bolts at symmetrical positions on both sides of the surface of the box body 2, and the number of the strong springs 8 is twelve, and the twelve strong springs 8 are evenly distributed on the two swing plates 10 and one side of the inner wall of the box body 2.

[0020] In this embodiment, the box body 2 is used for support, and the box body 2 provides stable support. The inner bottom is rotatably connected to the first supporting shaft 9 through a bearing. Two swing plates 10 are symmetrically welded on both sides of the surface of the first supporting shaft 9. A strong spring 8 is fixedly arranged between the swing plate 10 and the inner wall of the box body 2. The buffer structure composed of the swing plate 10 and the strong spring 8 can provide limited support for the patient to a large extent, and can also swing to a certain extent with the patient while supporting, so that the needle insertion unit, the tightening unit and the patient are always in a relatively static state, thereby improving the stability of puncture. The mounting plate 3 is fixed on the top of the first supporting shaft 9, and a support limit plate 66 is arranged on one side of the mounting plate 3. With the help of the installation of the support limit plate 66, the patient is provided with limited protection, which improves the patient's comfort and ensures the patient's safety. A regulating unit is welded on the top of the mounting plate 3, the needle insertion unit is fixed on the top of the regulating unit, and the tightening unit is fixed on one side of the needle insertion unit. The units work together to provide a basic structure for precise positioning and operation of spinal surgery puncture.

[0021] Embodiment 2, on the basis of embodiment 1, as Figure 5-6 As shown, the control unit includes a height adjustment module and an angle adjustment module. The height adjustment module includes a lifting protective shell 4 welded on the top of the mounting plate 3. A lifting rod 12 is slidably connected inside the lifting protective shell 4. A meshing groove is provided on the surface of the lifting rod 12. A height adjustment driving rod 11 for driving is rotatably connected to one side of the lifting protective shell 4. A height adjustment driving gear 17 is fixedly provided at one end of the height adjustment driving rod 11. The height adjustment driving gear 17 is meshed with the lifting rod 12 through the meshing groove. A pulling block 13 for adjustment is slidably connected inside one side of the lifting protective shell 4. Gear teeth are provided at the bottom of the pulling block 13. The pulling block 13 is meshed with the height adjustment driving gear 17 through the gear teeth. The angle adjustment module includes an angle control protective shell 5 fixedly provided on the top of the lifting rod 12. A protective plate 14 for protection is clamped on the top of the angle control protective shell 5. A threaded groove is provided on the inner side of the angle control protective shell 5. The angle control protective shell 5 is opened with the help of a threaded groove. The thread groove is threadedly connected with a rotating rod 24 with a thread on the surface for adjustment, one end of the rotating rod 24 is rotatably connected to a sliding plate 22 providing an installation environment through a rotating shaft and a bearing, a fastening gear 19 for limiting is fixedly arranged at the top left position of the sliding plate 22, and an angle adjustment driving rod 16 for driving is rotatably connected at the top right position of the sliding plate 22 through a shaft and a bearing, and an angle adjustment driving gear 20 is fixedly arranged on the surface of the angle adjustment driving rod 16, a second supporting rotating shaft 21 for support is rotatably connected to the top of the protective plate 14, an angle adjustment driven gear 18 is fixedly arranged on the surface of the second supporting rotating shaft 21, and the angle adjustment driven gear 18 is adapted to each other with the angle adjustment driving gear 20 and the fastening gear 19, a first limiting rod 23 for limiting is fixedly arranged on the inner side of the angle control protective shell 5, the sliding plate 22 is slidably sleeved on the surface of the first limiting rod 23, and a mounting sleeve 15 is fixedly arranged on the top of the second supporting rotating shaft 21.

[0022] In this embodiment, by rotating the height adjustment driving rod 11, the height adjustment driving gear 17 is engaged with the lifting rod 12 to realize the lifting and lowering of the lifting rod 12, thereby adjusting the height of the device. The pull block 13 slides inside one side of the lifting protective shell 4, and the bottom gear is engaged with the height adjustment driving gear 17. The pull block 13 can be used to lock the height adjustment driving gear 17 to prevent it from accidentally rotating, ensuring the stability after the height adjustment, and meeting the height requirements of the device under different body types and different surgical scenarios. By operating the angle adjustment driving rod 16, the angle adjustment driving gear 20 is driven to rotate and engage with the angle adjustment driven gear 18, thereby driving the second supporting shaft 21 and the mounting sleeve 15 to rotate, and the angle of the needle insertion unit is adjusted. The rotating rod 24 and the sliding plate 22 can adjust the meshing position of the fastening gear 19 and the angle adjustment driven gear 18, so as to achieve the purpose of locking after the angle is adjusted, so that the puncture angle can be accurately adjusted according to the actual situation of the patient's spine, while improving the accuracy and stability of the puncture.

[0023] Embodiment 3, on the basis of embodiment 2, as Figure 7 , 8As shown in Figure 11, the needle insertion unit includes a protective sleeve 27 fixedly sleeved inside the mounting sleeve 15 for position limiting protection, one end of the protective sleeve 27 is fixedly provided with a needle insertion protective shell 6 for installation and position limiting protection, the protective sleeve 27 is rotatably connected to the inside of the needle insertion drive rod 25, the rear end of the needle insertion drive rod 25 is fixedly provided with a driving bevel gear 40, a thread groove is provided on the surface of the needle insertion drive rod 25 near the front end, the needle insertion drive rod 25 is threadedly connected to a fastening nut 26 by means of the thread groove surface, and an adjustment rod 34 is rotatably connected to the inside of the front side of the needle insertion protective shell 6, and the surface of the adjustment rod 34 is sequentially provided with threads in opposite directions from front to back, but the other conditions are complete Two identical thread grooves, the adjusting rod 34 is threadedly connected to the first thread sleeve 35 through the front thread groove, and the adjusting rod 34 is threadedly connected to the second thread sleeve 36 through the rear thread groove. An adjusting frame 39 is fixedly arranged on the surface of the first thread sleeve 35, and an engaging block 41 is fixedly arranged on one side of the adjusting frame 39. A chamfered corner is provided at one end of the engaging block 41. The number of the engaging blocks 41 is several and the several engaging blocks 41 are symmetrically arranged on one side of the adjusting frame 39 with the center of the circle axis of the needle driving rod 25. A main crown gear 33 is fixedly arranged on the surface of the second thread sleeve 36, and two supporting slides for limiting are provided inside the needle protection shell 6. Groove 29, the two supporting slide grooves 29 are slidably connected with support sliders 30, a secondary crown gear 45 is arranged on the surface of one side of the support slider 30 near the front, the main crown gear 33 and the secondary crown gear 45 are adapted to each other, and a driven bevel gear 42 for auxiliary transmission is rotatably connected to one side of the support slider 30 through a shaft and a bearing, the driven bevel gear 42 and the driving bevel gear 40 are meshed with each other, a meshing card groove 61 is provided on the surface of the driven bevel gear 42, a chamfer is provided at the inner port position of the meshing card groove 61, and the number of the meshing card grooves 61 is several, and the meshing card block 41 on one side of the adjustment frame 39 is matched and clamped in the meshing card groove 61 on the surface of the driven bevel gear 42 Internally, an adjustment plate 43 is rotatably connected to one side of the driven bevel gear 42 away from the center position of the driven bevel gear 42, and a control rod 44 is rotatably connected to one side of the adjustment plate 43 close to the edge position. The control rod 44 is slidably sleeved inside the port at one end of the needle protection shell 6, and a supporting slide rod 38 for limiting is fixedly provided on one side of the interior of the needle protection shell 6. A cylindrical slide groove 37 for limiting is provided inside the adjustment frame 39, and the supporting slide rod 38 is slidably connected inside the cylindrical slide groove 37. A limiting slide groove 31 for limiting is provided inside the needle protection shell 6, and a limiting slider 32 is slidably connected inside the limiting slide groove 31, and the limiting slider 32 is fixedly set on one side of the surface of the main crown gear 33.

[0024] In this embodiment, the protective sleeve 27 is fixedly sleeved in the mounting sleeve 15, and one end is connected to the needle insertion protective shell 6. The needle insertion drive rod 25 rotates in the protective sleeve 27, and a driving bevel gear 40 is provided at the rear end, and a thread groove is provided at the front end and connected to the fastening nut 26. The adjustment rod 34 rotates inside the front side of the needle insertion protective shell 6, and has two thread grooves with opposite thread directions on the surface, which are respectively connected to the first thread sleeve 35 and the second thread sleeve 36. The first thread sleeve 35 is connected to the adjustment frame 39, and a plurality of meshing blocks 41 are provided on one side of the adjustment frame 39. The second thread sleeve 36 is connected to the main crown gear 33. The adjustment rod 34 is rotated to drive the first thread sleeve 35 and the second thread sleeve 36, which are respectively located on the surfaces of the two thread grooves with opposite thread directions, to move in the direction of simultaneously approaching or simultaneously moving away. When moving away from each other at the same time, with the help of the secondary crown gear 45 and the main crown gear 33, the main crown gear 33 can be fixedly engaged with the support slider 30, and when the adjustment rod 34 is rotated in the opposite direction to drive the first threaded sleeve 35 and the second threaded sleeve 36 to move close to the adjustment, the meshing block 41 set on one side of the adjustment frame 39 can be engaged with the meshing groove 61 opened on the surface of the driven bevel gear 42 to achieve the adjustment of the overall working state of the needle insertion unit. There are two supporting grooves 29 in the needle insertion protection shell 6, and the support slider 30 slides therein. The side of the support slider 30 close to the front is equipped with a secondary crown gear 45 that is adapted to the main crown gear 33. One side of the support slider 30 is rotatably connected to the driven bevel gear 42 through a shaft and a bearing, and is connected to the driving bevel gear 40. Engagement, the surface of the driven bevel gear 42 has an engagement groove 61 that cooperates with the engagement block 41, one side of the driven bevel gear 42 is rotatably connected to the adjustment plate 43, the adjustment plate 43 is connected to the control rod 44, and the control rod 44 is slidably sleeved in the port at one end of the needle protection shell 6. When the adjustment frame 39 is engaged with the driven bevel gear 42 by means of the engagement block 41 and the engagement groove 61, the needle drive rod 25 is rotated to drive the driving bevel gear 40 and the driven bevel gear 42 to rotate. The rotating driven bevel gear 42 cooperates with the engagement block 41 and the engagement groove 61 to drive the driven bevel gear 42 to roll along the surface of the adjustment frame 39. At this time, the driven bevel gear 42 can realize two working states: self-rotation and rolling along the surface of the adjustment frame 39. When the driven bevel gear 42 rotates , which can change the angle between the adjustment plate 43 and the control rod 44, thereby pushing the control rod 44 to move forward and backward to realize needle insertion control. At the same time, the driven bevel gear 42 rolls along the surface of the adjustment frame 39, and can drive the adjustment plate 43 and the control rod 44 to rotate accordingly. The control rod 44 moves and rotates at the same time, which can assist the subsequent tightening unit to efficiently insert the needle. When the main crown gear 33 contacts the supporting slider 30 with the help of the auxiliary crown gear 45, the supporting slider 30 and the driven bevel gear 42 can be limited and fixed to prevent the driven bevel gear 42 from continuing to rotate along the adjustment frame 39. At this time, rotating the needle insertion drive rod 25 can only drive the driven bevel gear 42 meshing with it to rotate, and the driven bevel gear 42 rotates to continue to change the angle between the adjustment plate 43 and the control rod 44.This pushes the control rod 44 to move forward and backward, and adjusts and controls the needle insertion method according to different requirements and environments.

[0025] Embodiment 4, on the basis of embodiment 3, as Fig. 9 , 10 , 12 and 13, the tightening unit includes a tightening protective shell 7 welded to one side of the control rod 44, an outer sleeve 46 for support is rotatably connected inside the tightening protective shell 7, a thread groove for matching is provided on the surface of the outer sleeve 46, and the outer sleeve 46 is threadedly connected to a third threaded sleeve 47 by means of the thread groove on the surface, a connecting frame 50 is fixedly provided on one side of the third threaded sleeve 47, a fixed tightening ring 51 for tightening the limit is fixedly provided on one side of the connecting frame 50, a receiving card slot 62 is provided inside the connecting frame 50, and a card slot 62 is provided inside the receiving card slot There is a movable tightening ring 52 with an anti-slip pad 64, and the tightening driving rod 28 is rotatably and slidably connected inside the outer sleeve 46. A hexagonal clamping block 63 for clamping and fixing is fixedly provided on the surface of the tightening driving rod 28 near the front end. A hexagonal clamping groove 59 for auxiliary fixing is opened inside the front end of the outer sleeve 46. The hexagonal clamping block 63 is adapted to the hexagonal clamping groove 59. Two limit baffles 65 are fixedly provided on the surface of the tightening driving rod 28 near the rear end. A conical sleeve is sleeved on the surface of the tightening driving rod 28 and located inside the two limit baffles 65. 49, a limited tooth groove 48 is provided inside the rear side of the tightening protective shell 7, and a tapered sleeve 49 is slidably connected inside the limited tooth groove 48. A tightening driving gear 53 is fixedly provided at the rear end of the tightening driving rod 28. The rear end of the tapered sleeve 49, the front and rear ends of the tightening driving gear 53, and the front and rear ends of the tightening driven gear 54 are all provided with rounded corners. The rear side surface of the tightening protective shell 7 is connected to a tightening driven gear 54 and two mutually meshing tightening transmission gears 55 through an axis rotation. The tightening driving gear 53 and the tightening driven gear 54 are meshed with each other. The fixed driven gear 54 is meshed with one of the fastening transmission gears 55, and a fastening frame 56 for tightening is fixedly arranged behind the two meshing fastening transmission gears 55. The two fastening frames 56 have a needle body 57 on the inner side for tightening and limiting, and a needle core 58 is inserted inside the needle body 57. A second limit rod 60 for limiting is fixedly arranged inside the tightening protective shell 7. There are two second limit rods 60, and the two second limit rods 60 are parallel to the axis center line of the tightening drive rod 28 and are symmetrically fixed on the inner side of the tightening protective shell 7 with the axis center line as the reference.

[0026] In this embodiment, the tightening protective shell 7 is welded to one side of the control rod 44, and is internally rotatably connected to the outer sleeve 46. The outer sleeve 46 has a threaded groove connected to the third threaded sleeve 47. The third threaded sleeve 47 is connected to the connecting frame 50. A fixed tightening ring 51 is provided on one side of the connecting frame 50, and a movable tightening ring 52 with an anti-slip pad 64 is provided inside, which is clamped in the storage slot 62. The tightening drive rod 28 rotates and slides in the outer sleeve 46, and a hexagonal block 63 is provided at the front end to adapt to the hexagonal slot 59 at the front end of the outer sleeve 46. There are two limit baffles 65 at the rear end, and a conical sleeve 49 is sleeved in the middle. The conical sleeve 49 has a limit tooth groove inside the rear side of the tightening protective shell 7. 48, by pushing the tightening drive rod 28, the hexagonal block 63 can be driven to move, and when the hexagonal block 63 is inserted into or away from the hexagonal slot 59, the working mode of the tightening unit can be adjusted. When the hexagonal block 63 is away from the hexagonal slot 59, the tightening drive gear 53 and the tightening driven gear 54 are in a meshing state. When the tightening drive rod 28 rotates, it can drive the tightening drive gear 53 and the tightening driven gear 54 to rotate. During the rotation of the tightening driven gear 54, one of the tightening transmission gears 55 is driven to rotate, thereby driving the other tightening transmission gear 55 to rotate in the opposite direction, and the two tightening transmission gears 55 move toward each other. The process of rotating in the opposite direction can drive the two fastening frames 56 connected thereto to rotate and swing in the opposite direction, so as to realize a certain degree of fixed clamping of needle bodies 57 of different sizes, reduce the fixing operation time and ensure the tightening stability. When the hexagonal clamping block 63 is inserted into the hexagonal clamping groove 59, it can drive the tapered sleeve 49 limited by the limit baffle 65 to move, so that the tapered sleeve 49 is engaged with the fastening driven gear 54 and is limited, so that the fastening driven gear 54 cannot continue to rotate, thereby ensuring the stability of the subsequent driving. At this time, rotating the tightening drive rod 28 can drive the outer sleeve 46 to rotate, thereby driving the second screw threaded groove meshed in the outer sleeve 46. The three-thread sleeve 47 moves, and the movement of the third threaded sleeve 47 drives the connecting frame 50, the fixed tightening ring 51 and the movable tightening ring 52 to move. The movable fixed tightening ring 51 and the movable tightening ring 52 can drive the needle core 58 to move, which is convenient for taking and placing the needle core 58, greatly reducing the direct contact between the staff and the needle body 57 and the needle core 58, and improving the hygiene of subsequent sampling. The rear end of the tightening drive rod 28 is fixed with the tightening drive gear 53, which is meshed with the tightening driven gear 54, and the tightening driven gear 54 is meshed with a tightening transmission gear 55. The two tightening transmission gears 55 are respectively connected to the tightening frame 56, and the needle core 58 is inserted into the needle body 57.

[0027] Working principle: S1. When a lumbar puncture is required for a patient, first let the patient curl up and lie on his side on the operating bed, and let the patient's spine be as parallel to the bed surface as possible. After the patient lies down, use two strong clamps 1 to clamp and fix the box body 2 on the edge of the bed with the patient's back facing, and make the limit support plate 66 against the back of the patient. After the box body 2 is clamped and fixed, pay attention to aligning the center position of the box body 2 with the patient's lumbar spine as much as possible during installation. The height adjustment drive rod 11 of the control unit is then rotated and the hand-lifting pull block 13 is lifted upward at the same time, driving the height adjustment drive gear 17 to rotate and drive the lifting rod 12, the angle adjustment module, the needle insertion unit and the tightening unit to rise, driving the tightening unit to align with the puncture position, and retaining a suitable needle insertion angle according to the patient's lumbar spine condition. Then rotate the rotating rod 24, and use the threaded groove opened inside the angle control protective shell 5 and the thread opened on the surface of the rotating rod 24 to drive the sliding plate 22 to move. The angle adjustment driving rod 16 and the angle adjustment driving gear 20 are driven to approach the angle adjustment driven gear 18 and the second supporting rotating shaft 21, and the angle adjustment driving gear 20 is meshed with the angle adjustment driven gear 18. At this time, the angle adjustment driving rod 16 is rotated to drive the angle adjustment driving gear 20, the angle adjustment driven gear 18, the second supporting rotating shaft 21, the mounting sleeve 15, the needle insertion module and the tightening module to rotate, so as to accurately adjust and control the needle insertion angle. Note that after the adjustment and control, the rotating rod 24 can be rotated in the reverse direction, and the sliding plate 22 and the fastening gear 19 can be driven to approach the angle adjustment driven gear 18 with the help of the thread groove opened inside the angle control protective shell 5 and the thread opened on the surface of the rotating rod 24, so as to mesh the fastening gear 19 with the angle adjustment driven gear 18, and the angle adjustment driven gear 18 is clamped and fixed to prevent the angle adjustment driven gear 18 from rotating due to accidental touch. S2. After adjusting the height and angle of the needle insertion unit and the tightening unit, hold the needle body 57, place the needle body 57 at the approximate position inside the fastening frame 56, and pull the tightening drive rod 28 outward to drive the fastening drive gear 53 to engage with the fastening driven gear 54. When the fastening drive gear 53 is engaged with the fastening driven gear 54, the tightening drive rod 28 can be rotated to drive the fastening drive gear 53 and the fastening driven gear 54 to rotate, and then one of the fastening transmission gears 55 is rotated, thereby driving the other fastening transmission gear 55 to rotate in the opposite direction to the fastening transmission gear 55. When the two fastening transmission gears 55 rotate close to each other at the same time, they can drive the two fastening frames 56 to rotate close to each other at the same time. The fastening frames 56 that rotate close to each other can clamp and install the needle body 57. After the needle body 57 is clamped and installed, the tightening drive rod 28 is pushed inward to make the hexagonal block 63 fit into the hexagonal slot 59, and the cone sleeve is The sleeve 49 is pushed outwards until the fastening driven gear 54 is in meshing contact, and the limit tooth groove 48 and the tapered sleeve 49 are matched to limit and fix the fastening driven gear 54 to prevent the fastening driven gear 54 from rotating due to accidental contact, and indirectly tighten and limit the needle body 57. After the position of the tightening drive rod 28 is adjusted, the movable tightening ring 52 is first taken out from the inside of the storage card slot 62, and then the tightening drive rod 28 is rotated to drive the outer sleeve 46 to rotate, thereby driving the outer sleeve 46 surface to rotate. The third threaded sleeve 47 engaged with the threaded groove moves, and the moving third threaded sleeve 47 drives the connecting frame 50 and the fixed tightening ring 51 to move, until the fixed tightening ring 51 moves to abut against one side of the needle core 58, and then the movable tightening ring 52 is clamped into the receiving clamping groove 62 to limit the other side of the needle core 58. With the cooperation between the fixed tightening ring 51 and the movable tightening ring 52, the needle core 58 is clamped and limited to a certain extent. After the needle core 58 is clamped and limited; S3, the adjusting rod 34 can be rotated first to drive the first threaded sleeve 35 and the second threaded sleeve 36 on the threaded groove surface with two opposite thread directions on the adjusting rod 34 to move in the direction of approaching or moving away. When the physical condition of the punctured patient is relatively normal (no special spinal disease), the first threaded sleeve 35 and the second threaded sleeve 36 move away from each other at the same time, and the adjusting frame 39 moves away from the driven bevel gear 42, and the main crown gear 33 approaches the supporting slider 30, and cooperates with the auxiliary crown gear 45 and the main crown gear 33 to move one of the supporting slider 30 and the driven bevel gear 42. The needle driving rod 25 is rotated to drive the driving bevel gear 40 and the driven bevel gear 42 meshing therewith to rotate. The rotation of the driven bevel gear 42 can adjust the angle between the adjustment plate 43 and the control rod 44. The change of the angle can push the control rod 44 and the tightening unit to move, so as to control the needle body 57 and the needle core 58 inside the tightening unit. When the patient to be punctured is in poor physical condition (aging or spinal diseases, etc. will affect the condition), the puncture force required during actual direct puncture is often large. At this time, continuing direct needle puncture is likely to cause harm to the patient. Therefore, the first threaded sleeve 35 and the second threaded sleeve 36 can be controlled to move away from each other, so that the meshing block 41 of the adjustment frame 39 is engaged with the meshing slot 61 of the moving tightening ring 52, and the main crown gear 33 is driven away from the supporting slider 30 and the auxiliary crown gear 45. At this time, when the needle driving rod 25 is driven, the driving bevel gear 40 and the driven bevel gear 42 can be driven to rotate. At the same time, the self-rotating driven bevel gear 42 is limited in the meshing slot 61 and the meshing block 41, which can drive the driven bevel gear 42 to roll along the surface of the adjustment frame 39. At this time, the self-rotating driven bevel gear 42 can The angle between the adjustment plate 43 and the control rod 44 is adjusted, so as to push the control rod 44 to insert the needle, and the driven bevel gear 42 rotates along the surface of the adjustment frame 39, which can drive the control rod 44 connected to the adjustment plate 43 to rotate, thereby driving the tightening unit connected to the control rod 44 and the needle body 57 clamped inside the tightening unit to rotate to assist the needle insertion. Regardless of the needle insertion method, when the needle body 57 punctures into the lumbar vertebral cavity, the resistance is greatly reduced. At this time, the driving of the needle insertion drive rod 25 can be stopped, and the fastening nut 26 can be rotated to make the fastening nut 26 abut against one end of the protective sleeve 27 to lock the needle insertion drive rod 25. S4. When the needle core 58 is inserted into the lumbar vertebral cavity and the needle driving rod 25 is locked, the tightening driving rod 28 is then rotated to drive the outer sleeve 46 to rotate. The rotation of the outer sleeve 46 can drive the third threaded sleeve 47 threadedly connected to the threaded groove surface of the outer sleeve 46 to move. The movement of the third threaded sleeve 47 will drive the connecting frame 50, the fixed tightening ring 51 and the movable tightening ring 52 to move, thereby driving the needle core 58 away from the needle body 57. When the needle core 58 is completely away from the needle body After the needle body 57 is inserted, the cerebrospinal fluid flowing out of the needle body 57 can be sampled and collected by a collecting tube. When the sampling is completed, the tightening driving rod 28 is rotated in the opposite direction to continue to drive the fixed tightening ring 51, the moving tightening ring 52 and the needle core 58 to approach the needle body 57, so that the needle core 58 is inserted into the needle body 57. After the needle core 58 is inserted, the adjusting rod 34 can be rotated to drive the first threaded sleeve 35 and the second threaded sleeve 36 on the surface of the thread grooves opposite to the two thread directions on the adjusting rod 34 to move away from each other. , driving the adjustment frame 39 away from the driven bevel gear 42 and driving the main crown gear 33 to cooperate with the sub-crown gear 45 to overlap on one side of the support slider 30. After adjusting the main crown gear 33, the fastening nut 26 can be rotated to drive the fastening nut 26 away from the protective sleeve 27, and then the needle driving rod 25 is rotated to drive the driving bevel gear 40 and the driven bevel gear 42 to rotate, adjust the angle between the adjustment plate 43 and the control rod 44, and tighten the control rod 44, the tightening unit and the needle body 57 inside the tightening unit to the human body. Pull from the outside. When the needle body 57 completely leaves the human body, pull the tightening drive rod 28 outward again to make the tightening drive gear 53 engage with the tightening driven gear 54. Rotate the tightening drive rod 28 to drive the tightening drive gear 53, the tightening driven gear 54 and one of the tightening transmission gears 55 to rotate, and then drive the other tightening transmission gear 55 and one of the tightening transmission gears 55 to rotate away, loosen and cut the needle body 57, and finally handle the needle body 57 reasonably, safely and hygienically.

[0028] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A highly accurate positioning puncture device for spinal surgery, characterized in that: The invention comprises a box body (2) for supporting, wherein the bottom of the box body (2) is rotatably connected to a first supporting shaft (9) for supporting via a bearing, two swing plates (10) are symmetrically welded on both sides of the surface of the first supporting shaft (9), and strong springs (8) for buffering are fixedly arranged on the front and rear sides of the two swing plates (10) and the inner wall of the box body (2), a mounting plate (3) for connecting is fixedly arranged on the top of the first supporting shaft (9), a support limit plate (66) for correcting the support is arranged on one side of the mounting plate (3), a regulating unit for adjusting is welded on the top of the mounting plate (3), a needle insertion unit for controlling the needle is fixedly arranged on the top of the regulating unit, and a tightening unit is fixedly arranged on one side of the needle insertion unit.

2. A highly accurate positioning puncture device for spinal surgery according to claim 1, characterized in that: The control unit comprises a height adjustment module and an angle adjustment module. The height adjustment module comprises a lifting protection shell (4) welded to the top of the mounting plate (3). A lifting rod (12) is slidably connected inside the lifting protection shell (4). A meshing groove is provided on the surface of the lifting rod (12). A height adjustment driving rod (11) for driving is rotatably connected to one side of the lifting protection shell (4). A height adjustment driving gear (17) is fixedly provided at one end of the height adjustment driving rod (11). The height adjustment driving gear (17) meshes with the lifting rod (12) through the meshing groove. A pull block (13) for adjustment is slidably connected inside one side of the lifting protection shell (4). Gear teeth are provided at the bottom of the pull block (13). The pull block (13) meshes with the height adjustment driving gear (17) through the gear teeth.

3. A highly accurate positioning puncture device for spinal surgery according to claim 2, characterized in that: The angle adjustment module comprises an angle control protective shell (5) fixedly arranged on the top of the lifting rod (12); a protective plate (14) for protection is clamped on the top of the angle control protective shell (5); a thread groove is provided on the inner side of the angle control protective shell (5); a rotating rod (24) having a thread on the surface and used for adjustment is threadedly connected to the angle control protective shell (5) by means of the thread groove; one end of the rotating rod (24) is rotatably connected to a sliding plate (22) for providing an installation environment via a rotating shaft and a bearing; a fastening gear (19) for limiting is fixedly arranged at the left position of the top of the sliding plate (22); and an angle control gear (19) for driving is rotatably connected to the right position of the top of the sliding plate (22) via a shaft and a bearing. The angle adjustment driving rod (16) is provided with an angle adjustment driving gear (20) fixedly disposed on the surface of the angle adjustment driving rod (16); the top of the protective plate (14) is rotatably connected to a second supporting shaft (21) for support; the surface of the second supporting shaft (21) is provided with an angle adjustment driven gear (18) fixedly disposed; the angle adjustment driven gear (18) is adapted to the angle adjustment driving gear (20) and the fastening gear (19); a first limiting rod (23) for limiting is fixedly disposed on the inner side of the angle control protective shell (5); the sliding plate (22) is slidably sleeved on the surface of the first limiting rod (23); and a mounting sleeve (15) is fixedly disposed on the top of the second supporting shaft (21).

4. A highly accurate positioning puncture device for spinal surgery according to claim 3, characterized in that: The needle insertion unit comprises a protective sleeve (27) fixedly sleeved inside the mounting sleeve (15) for position limiting protection, one end of the protective sleeve (27) is fixedly provided with a needle insertion protective shell (6) for installation and capable of position limiting protection, the protective sleeve (27) is internally rotatably connected with a needle insertion drive rod (25), a rear end of the needle insertion drive rod (25) is fixedly provided with a driving bevel gear (40), a thread groove is provided on the surface of the needle insertion drive rod (25) near the front end, the needle insertion drive rod (25) is threadedly connected with a fastening nut (26) by means of the thread groove surface, and an adjustment rod (34) is rotatably connected inside the front side of the needle insertion protective shell (6), The surface of the adjustment rod (34) is provided with two thread grooves in opposite directions from front to back, but with the same other conditions. The adjustment rod (34) is threadedly connected to a first thread sleeve (35) through the front thread groove, and the adjustment rod (34) is threadedly connected to a second thread sleeve (36) through the rear thread groove. An adjustment frame (39) is fixedly provided on the surface of the first thread sleeve (35). An engaging block (41) is fixedly provided on one side of the adjustment frame (39). A chamfer is provided at one end of the engaging block (41). The number of the engaging blocks (41) is multiple, and the multiple engaging blocks (41) are all centered on the central axis of the needle driving rod (25). The center is symmetrically arranged on one side of the adjustment frame (39), and a main crown gear (33) is fixedly arranged on the surface of the second threaded sleeve (36). Two support slide grooves (29) for limiting are opened inside the needle protection shell (6), and a support slider (30) is slidably connected inside the two support slide grooves (29). A secondary crown gear (45) is arranged on the surface of one side of the support slider (30) close to the front, and the main crown gear (33) and the secondary crown gear (45) are adapted to each other. A driven bevel gear (42) for auxiliary transmission is rotatably connected to one side of the support slider (30) through a shaft and a bearing, and the driven bevel gear (42) is connected to the driving bevel gear ( 40) are meshed with each other, a meshing slot (61) is provided on the surface of the driven bevel gear (42), a chamfer is provided at the inner port position of the meshing slot (61), the number of the meshing slots (61) is several, the meshing block (41) on one side of the adjustment frame (39) is engaged and engaged with the meshing slot (61) on the surface of the driven bevel gear (42), an adjustment plate (43) is rotatably connected to one side of the driven bevel gear (42) away from the center of the driven bevel gear (42), a control rod (44) is rotatably connected to one side of the adjustment plate (43) near the edge, and the control rod (44) is slidably sleeved inside the port at one end of the needle protection shell (6).

5. A highly accurate positioning puncture device for spinal surgery according to claim 4, characterized in that: A support slide rod (38) for limiting position is fixedly arranged on one side of the interior of the needle protection shell (6), a cylindrical slide groove (37) for limiting position is provided inside the adjustment frame (39), and the support slide rod (38) is slidably connected inside the cylindrical slide groove (37).

6. A highly accurate positioning puncture device for spinal surgery according to claim 4, characterized in that: A limiting slide groove (31) for limiting position is provided inside the needle protection shell (6), and a limiting slider (32) is slidably connected inside the limiting slide groove (31), and the limiting slider (32) is fixedly arranged on one side of the surface of the main crown gear (33).

7. A highly accurate positioning puncture device for spinal surgery according to claim 4, characterized in that: The tightening unit comprises a tightening protective shell (7) welded to one side of the control rod (44); an outer sleeve (46) for support is rotatably connected inside the tightening protective shell (7); a thread groove for matching is provided on the surface of the outer sleeve (46); the outer sleeve (46) is threadedly connected to a third threaded sleeve (47) by means of the thread groove on the surface; a connecting frame (50) is fixedly provided on one side of the third threaded sleeve (47); a fixed tightening ring (51) for tightening and limiting is fixedly provided on one side of the connecting frame (50); a collecting ring (51) is provided inside the connecting frame (50); A receiving card slot (62), wherein a movable tightening ring (52) with an anti-skid pad (64) is clamped inside the receiving card slot (62), a tightening driving rod (28) is rotatably and slidably connected inside the outer sleeve (46), a hexagonal clamping block (63) for clamping and fixing is fixedly arranged at a position near the front end of the surface of the tightening driving rod (28), a hexagonal clamping slot (59) for auxiliary fixing is opened inside the front end of the outer sleeve (46), the hexagonal clamping block (63) is adapted to the hexagonal clamping slot (59), and the surface of the tightening driving rod (28) is fixedly arranged at a position near the rear end. There are two limit baffles (65), a tapered sleeve (49) is sleeved on the surface of the tightening drive rod (28) and located inside the two limit baffles (65), a limit tooth groove (48) is provided inside the rear side of the tightening protective shell (7), and the tapered sleeve (49) is slidably connected inside the limit tooth groove (48), a fastening drive gear (53) is fixedly provided at the rear end of the tightening drive rod (28), and the gear teeth on the rear end of the tapered sleeve (49), the front and rear ends of the fastening drive gear (53) and the front and rear ends of the fastening driven gear (54) are all provided with chamfered corners, and the tightening protective shell (7) is provided with a tapered sleeve (49) and a tapered sleeve (49) on the surface of the tapered sleeve (49). A fastening driven gear (54) and two mutually meshing fastening transmission gears (55) are rotatably connected to the rear surface of the protective shell (7) via an axis, the fastening drive gear (53) and the fastening driven gear (54) are mutually meshed, the fastening driven gear (54) and one of the fastening transmission gears (55) are mutually meshed, and a fastening frame (56) for tightening is fixedly arranged behind the two mutually meshing fastening transmission gears (55), and a needle body (57) is tightened and limited inside the two fastening frames (56), and a needle core (58) is inserted inside the needle body (57).

8. A highly accurate positioning puncture device for spinal surgery according to claim 7, characterized in that: A second limiting rod (60) for limiting is fixedly arranged inside the tightening protective shell (7), the number of the second limiting rods (60) is two, and the two second limiting rods (60) are parallel to the axis of the tightening drive rod (28) and are symmetrically fixed on the inner side of the tightening protective shell (7) with the axis as a reference.

9. The high-precision positioning puncture device for spinal surgery according to claim 1, characterized in that: Two strong clamps (1) for fixing are connected by bolts at symmetrical positions on both sides of the surface of the box body (2), and the number of the strong springs (8) is twelve. The twelve strong springs (8) are evenly distributed on the two swing plates (10) and one side of the inner wall of the box body (2).

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