Neurovascular interventional operation auxiliary device

Through the multi-point fixation mode of the push and pull rod and the clamping rod, combined with the magnetic suction assembly and clamping assembly, the problem of instability of the interventional catheter in neurovascular interventional surgery is solved, and the stable clamping of the interventional catheter is achieved, reducing the secondary injury of the patient.

CN120478806APending Publication Date: 2025-08-15GENERAL HOSPITAL OF SOUTHERN THEATRE COMMAND OF PLA
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Patent Information

Application Number
CN202510663312.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-22
Publication Date
2025-08-15

AI Technical Summary

Technical Problem

When the existing neurovascular interventional surgical auxiliary devices fix the interventional catheter, the single-point fixation method can easily lead to the catheter shift or rotation, making it difficult to completely fix, which may lead to secondary injury to the patient.

Method used

The multi-point fixing mode of push and pull rod and clamping rod is adopted, and the strap is fixed through magnetic suction assembly, combining the clamping assembly and the stabilizing assembly to form a multi-point clamping structure to ensure the stability of the intervention catheter.

Benefits of technology

It improves the clamping stability of the interventional catheter, reduces secondary injury to the patient due to catheter movement, and enhances the adaptability and reliability of the device.

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Abstract

The invention relates to the technical field of vascular intervention auxiliary instruments, in particular to a neurovascular intervention operation auxiliary device which comprises a fixing box, openings are symmetrically formed in the fixing box, a bandage is arranged on the fixing box, and a magnetic attraction assembly is arranged on the bandage; a fixing frame is arranged in the fixing box, a push-pull rod is arranged in the fixing frame, a push-pull plate is arranged on the push-pull rod, and a fixing assembly is arranged on the fixing box; ejector rods are symmetrically arranged on the push-pull rod, clamping shafts, fixed shafts and rotating shafts are symmetrically arranged in the fixed box, clamping rods are arranged on the clamping shafts, and limiting assemblies are arranged on the fixed shafts; a stabilizing assembly is arranged on one side of the push-pull rod; sleeves and first gears are symmetrically arranged on the clamping rods, second gears and third gears are symmetrically arranged on the rotating shafts, and chains are arranged between the first gears and the second gears; a clamping assembly is arranged in the fixing box. By adopting a multi-point fixing mode, the clamping stability of the auxiliary device is improved, and the possibility that a patient is subjected to secondary injury is reduced.
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Description

Technical Field

[0001] The present invention relates to the technical field of vascular intervention auxiliary instruments, and in particular to a neurovascular intervention surgery auxiliary device. Background Art

[0002] Neurointerventional technology is an emerging minimally invasive clinical technique, considered one of the three major medical technologies, along with internal medicine and surgery. Neurointerventional technology utilizes intravascular catheterization techniques, supported by digital subtraction angiography (DSA) systems, and selective angiography to localize and eliminate lesions. With advances in medical technology, neurointerventional technology, with its minimally invasive, safe, and effective characteristics, has been widely used in the treatment of cerebrovascular and spinal cord diseases.

[0003] Some existing neurovascular interventional surgery auxiliary devices use single-point fixation to fix the interventional catheter. Although this can achieve a certain degree of fixation effect, the interventional catheter with single-point fixation is prone to displacement or rotation when subjected to external force, which may make it difficult to completely fix the interventional catheter.

[0004] In summary, the problem that some existing neurovascular interventional surgery auxiliary devices may not be able to completely fix the interventional catheter using a single-point fixation method has become a difficult problem that needs to be solved urgently in this field. Therefore, it is necessary to propose a neurovascular interventional surgery auxiliary device. Summary of the Invention

[0005] In order to solve the above problems, the present invention provides a neurovascular interventional surgery auxiliary device, which clamps the interventional catheter through a push-pull rod and a clamping rod, improves its clamping stability through a stabilizing component, and adds a clamping component to form a multi-point fixation mode, further improving the clamping stability of the interventional catheter by the auxiliary device, and reducing the possibility of secondary injury to the patient due to movement of the interventional catheter.

[0006] In order to achieve the above-mentioned purpose, the technical solution of the present invention is as follows: a neurovascular interventional surgery auxiliary device, comprising a fixed box, openings on both side walls of the fixed box, a strap fixedly connected to the bottom of the fixed box, and a magnetic attraction component on the strap for magnetically fixing the strap to the bottom of the fixed box.

[0007] The inner side wall of the fixed box is fixedly connected to a fixed frame, and a push-pull rod is fitted in the fixed frame for horizontal sliding. One end of the push-pull rod passes through the side wall of the fixed box and extends to the outside of the fixed box where a push-pull plate is fixedly connected. A fixing component for fixing the push-pull plate is provided on the fixed box, and the fixing component is located above the magnetic component.

[0008] A "<"-shaped pushing rod is symmetrically fixedly connected to the push-pull rod, and a clamping shaft and a fixed shaft are symmetrically fixedly connected to the inner wall of the fixed box. The clamping shafts are rotatably fitted with clamping rods, and the clamping rods are located in the motion path of the pushing rods adjacent to them. The fixed shafts are provided with limiting components for limiting the pushing rods and the clamping rods, and the limiting components are located on one side of the fixed components.

[0009] A stabilizing component for improving the clamping stability of the clamping rod and the push-pull rod on the interventional catheter is provided at one end of the push-pull rod away from the push-pull plate. The stabilizing component is located on one side of the limiting component.

[0010] The sleeves are symmetrically fixedly connected on both sides of the clamping rod, and the clamping shafts are located in the sleeves adjacent to them and rotate with the sleeves. The sleeves are fixedly connected with the first gear, and the inner side wall of the fixed box is symmetrically fixedly connected with the rotating shaft. The second gear and the third gear are symmetrically rotated on the rotating shaft. The second gear is coaxially fixedly connected to the third gear adjacent to it, and a chain is engaged between the first gear and the second gear adjacent to it.

[0011] A clamping assembly for further clamping the interventional catheter is provided inside the fixing box, and the clamping assembly is located on one side of the limiting assembly.

[0012] The technical principles of the above solution are as follows:

[0013] Medical personnel use a magnetic assembly to attach the strap to the patient's limb and insert the interventional catheter through the opening. They then push the push-pull plate, which drives the push-pull rod to move laterally. This push-pull rod then drives the push-pull rod, which in turn drives the adjacent clamping rod, causing it to swing. The clamping rod and push-pull rod work together to drive the stabilization assembly, clamping the interventional catheter. After pushing the push-pull plate, the medical personnel secure it with a fixing assembly to minimize displacement.

[0014] The pushing rod and the clamping rod will be limited by the limiting action of the limiting assembly during the movement.

[0015] During the swinging process, the clamping rod will also drive the sleeve to rotate, and the sleeve will drive the first gear adjacent to it to rotate, the first gear will drive the chain adjacent to it to rotate, the chain will drive the second gear adjacent to it to rotate, and the second gear will drive the third gear fixedly connected to it to rotate. The third gear drives the clamping assembly to operate, further clamp the interventional catheter, and interact with the stabilization assembly to form a stable clamping mechanism with multi-point clamping.

[0016] The above scheme has the following beneficial effects:

[0017] 1. The present invention clamps the interventional catheter through a push-pull rod and a clamping rod, improves its clamping stability through a stabilizing component, and adds a clamping component to form a multi-point fixation mode, further improving the clamping stability of the interventional catheter by the auxiliary device and reducing the possibility of secondary injury to the patient due to movement of the interventional catheter.

[0018] 2. In the present invention, the design of the push-pull plate allows medical staff to easily adjust the position of the push-pull rod by moving the push-pull plate, thereby changing the clamping force of the push-pull rod and the clamping rod on the interventional catheter to adapt to interventional catheters of different sizes and types, thereby improving the adaptability of the auxiliary device.

[0019] 3. In the present invention, the design of the magnetic component allows the strap to be easily fixed and removed, making it convenient for medical staff to install and adjust the auxiliary device.

[0020] Furthermore, the magnetic attraction component includes a magnet fixedly connected to one end of the strap and the bottom of the fixed box, and adjacent magnets attract each other.

[0021] Beneficial effect: The mutual attraction between the magnets enables the strap to be quickly and firmly fixed to the bottom of the fixing box without the need for complicated fasteners or binding processes, thereby improving the installation efficiency of the auxiliary device.

[0022] Furthermore, the fixing assembly includes a fixing belt fixedly connected to one side wall of the fixing box, a clamping ring is fixedly connected to one end of the fixing belt away from the fixing box, a clamping block is fixedly connected to one side wall of the fixing box away from the fixing belt, a clamping slot is opened on the clamping block, and the clamping ring and the clamping slot are detachably engaged.

[0023] Beneficial effect: The detachable engagement design of the clamping ring and the clamping groove ensures the stability of the push-pull plate when it is fixed, reduces the loosening or displacement of the push-pull plate caused by external force, and thus improves the stability and reliability of the auxiliary device.

[0024] Furthermore, the limit assembly includes a limit plate that is symmetrically rotated and engaged on the fixed shaft, and the limit plates are slidably engaged with the pushing rod and clamping rod adjacent to them. The first limit blocks are symmetrically fixedly connected on both sides of the pushing rod, and the second limit blocks are symmetrically fixedly connected on both sides of the clamping rod. The first limit groove and the second limit groove are opened on the limit plates, and the first limit block and the second limit block are respectively located in the first limit groove and the second limit groove adjacent to them and are slidably engaged with the limit plates adjacent to them.

[0025] Beneficial effect: The sliding fit between the first limit block and the first limit groove, and the sliding fit between the second limit block and the second limit groove, ensure that the pushing rod and the clamping rod can be accurately limited during movement, thereby effectively reducing the possibility of excessive rotation of the clamping rod and ensuring its stable clamping of the interventional catheter.

[0026] Furthermore, the stabilizing assembly includes a first clamping plate which is hinged to one end of the clamping rod away from the pushing rod and one end of the push-pull rod away from the push-pull plate.

[0027] Beneficial Effects: The design of the first clamping plate improves the clamping stability of the clamping rod and the push-pull rod on the interventional catheter. Its hinged design can effectively resist external interference, ensuring that the interventional catheter remains in a fixed position and preventing it from shifting or falling off.

[0028] Furthermore, the clamping assembly includes sliding plates that are symmetrically and vertically slidably fitted on the inner side walls of the fixed box. The sliding plates are symmetrically and fixedly connected with clamping racks, and the clamping racks are meshed with the third gear adjacent to them.

[0029] One side of the sliding plate is symmetrically fixedly connected with a second clamping plate.

[0030] Beneficial Effect: The sliding plate achieves stable vertical sliding through the meshing of the clamping rack and the third gear. As the sliding plate slides vertically, it drives the second clamping plate to apply clamping force to the interventional catheter. This mechanical transmission method ensures stable and reliable clamping force, effectively preventing the interventional catheter from shifting or falling out.

[0031] Furthermore, the second clamping plates are fixedly connected with clamping frames.

[0032] Beneficial effects: The design of the clamping frame provides an additional support point for the second clamping plate, enabling it to firmly clamp the catheter, further improving the stability and firmness of the auxiliary device.

[0033] Furthermore, the first clamping plates are all in a “(” shape.

[0034] Beneficial effect: The "("-shaped first clamping plate can fit more closely to the surface of the interventional catheter, thereby improving the adaptability and flexibility of clamping the interventional catheter.

[0035] Furthermore, a buffer layer is fixedly connected to the surface of the first clamping plate and the clamping frame.

[0036] Beneficial Effects: The presence of the buffer layer makes the clamping process gentler, reducing the impact and vibration to which the interventional catheter is subjected during the clamping process. This not only improves clamping comfort, but also helps reduce deformation or displacement of the interventional catheter caused by improper clamping.

[0037] Furthermore, an anti-slip pad is fixedly connected to the surface of the strap.

[0038] Beneficial Effects: The anti-slip pad design significantly improves the fixation of the assistive device on the patient's skin surface. It also reduces direct friction between the strap and the patient's skin, thereby extending the strap's service life.

[0039] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 This is an axonometric schematic diagram of the neurovascular interventional surgery auxiliary device of the present invention.

[0041] Figure 2 This is an axonometric diagram of the internal structure of the fixed box in the neurovascular interventional surgery auxiliary device of the present invention.

[0042] Figure 3 It is a side view schematic diagram of the internal structure of the fixed box in the neurovascular interventional surgery auxiliary device of the present invention.

[0043] Figure 4 It is a side sectional schematic diagram of the neurovascular interventional surgery auxiliary device of the present invention.

[0044] Figure 5 for Figure 2 Enlarged schematic diagram of part A.

[0045] The figure marks in the drawings of the specification include: 1. fixed box; 2. binding belt; 3. fixed frame; 4. push-pull rod; 5. push-pull plate; 6. fixed belt; 7. snap ring; 8. block; 9. pushing rod; 10. clamping shaft; 11. fixed shaft; 12. clamping rod; 13. limit plate; 14. first clamping plate; 15. sleeve; 16. first gear; 17. rotating shaft; 18. second gear; 19. third gear; 20. chain; 21. sliding plate; 22. clamping rack; 23. second clamping plate; 24. clamping frame. DETAILED DESCRIPTION

[0046] The following is further described in detail through specific implementation methods:

[0047] Example 1:

[0048] As attached Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 The figure shows a neurovascular interventional surgery assisting device, comprising a fixed box 1 with openings on both side walls. A strap 2 is fixedly bonded to the bottom of the box 1, and a magnetic assembly is provided on the strap 2 for magnetically securing the strap 2 to the bottom of the box 1. The magnetic assembly includes magnets fixedly bonded to one end of the strap 2 and the bottom of the box 1, and adjacent magnets attract each other.

[0049] A fixing frame 3 is integrally formed on the inner wall of the fixed box 1, and a push-pull rod 4 is laterally slidably fitted inside the fixing frame 3. One end of the push-pull rod 4 passes through the side wall of the fixed box 1 and extends to the outside of the fixed box 1 where a push-pull plate 5 is welded. A fixing component for fixing the push-pull plate 5 is provided on the fixed box 1, and the fixing component is located above the magnetic component.

[0050] The fixing assembly includes a fixing belt 6 fixedly connected to one side wall of the fixing box 1 with screws, and a clamping ring 7 is fixedly connected to the end of the fixing belt 6 away from the fixing box 1 with screws. A clamping block 8 is welded on the side wall of the fixing box 1 away from the fixing belt 6, and a clamping groove is opened on the clamping block 8. The clamping ring 7 is detachably engaged with the clamping groove.

[0051] A "<"-shaped pushing rod 9 is symmetrically integrally formed on the push-pull rod 4, and a clamping shaft 10 and a fixed shaft 11 are symmetrically welded on the inner wall of the fixed box 1. The clamping shaft 10 is rotatably fitted with a clamping rod 12, and the clamping rod 12 is located in the movement path of the adjacent pushing rod 9. The fixed shaft 11 is provided with a limiting assembly for limiting the pushing rod 9 and the clamping rod 12, and the limiting assembly is located on one side of the fixed assembly.

[0052] The limiting assembly includes a limiting plate 13 that is symmetrically rotated and engaged on the fixed shaft 11. The limiting plates 13 are slidably engaged with the adjacent pushing rod 9 and clamping rod 12. The pushing rod 9 is symmetrically and integrally formed with a first limiting block on both sides, and the clamping rod 12 is symmetrically and integrally formed with a second limiting block on both sides. The limiting plate 13 is provided with a first limiting groove and a second limiting groove. The first limiting block and the second limiting block are respectively located in the first limiting groove and the second limiting groove adjacent to them and are slidably engaged with the adjacent limiting plate 13.

[0053] A stabilizing assembly is provided on the end of the push-pull rod 4 away from the push-pull plate 5 to enhance the stability of the clamping rod 12 and the push-pull rod 4 in gripping the interventional catheter. The stabilizing assembly is located on one side of the stop assembly. The stabilizing assembly includes a first clamping plate 14 in the shape of a "(" and hinged to the end of the clamping rod 12 away from the push rod 9 and the end of the push-pull rod 4 away from the push-pull plate 5, respectively.

[0054] Sleeves 15 are symmetrically welded on both sides of the clamping rod 12, and the clamping shafts 10 are located in the sleeves 15 adjacent to them and rotate with the sleeves 15. The first gear 16 is coaxially fixed and clamped on the sleeves 15, and the rotating shaft 17 is symmetrically welded on the inner wall of the fixed box 1. The second gear 18 and the third gear 19 are symmetrically rotated on the rotating shaft 17. The second gear 18 is coaxially integrated with the third gear 19 adjacent to it, and a chain 20 is engaged between the first gear 16 and the second gear 18 adjacent to it.

[0055] A clamping assembly for further clamping the interventional catheter is provided inside the fixing box 1 , and the clamping assembly is located on one side of the limiting assembly.

[0056] The clamping assembly includes sliding plates 21 symmetrically and vertically slidingly fitted on the inner side wall of the fixed box 1 . Clamping racks 22 are symmetrically welded on the sliding plates 21 . The clamping racks 22 are meshed with the third gears 19 adjacent thereto.

[0057] A second clamping plate 23 is symmetrically welded to one side of the sliding plate 21 , and a clamping frame 24 is welded to the second clamping plate 23 .

[0058] The specific implementation process is as follows: the medical staff puts the strap 2 close to the patient's skin, and then makes the magnet on the strap 2 and the magnet at the bottom of the fixing box 1 attract each other to complete the fixation of the auxiliary device.

[0059] The medical staff inserts the interventional catheter through the opening inside the auxiliary device and pushes the push-pull plate 5, causing it to move laterally toward the interior of the fixed box 1. During this lateral movement, the push-pull plate 5 drives the push-pull rod 4 to move laterally with it. The push-pull rod 4 drives the push rod 9 to move laterally, and the push rod 9 pushes the clamping rod 12 to swing. At this time, the push-pull rod 4 and the clamping rod 12 each drive the first clamping plate 14 hinged to them to clamp the interventional catheter. Because the first clamping plate 14 is in a "(" shape, it can accommodate interventional catheters of different sizes during movement.

[0060] After pushing the push-pull plate 5 , the medical staff engages the clamping ring 7 with the clamping groove. At this time, the fixing belt 6 will limit the push-pull plate 5 to reduce the possibility of displacement.

[0061] Since the first limit blocks on the pushing rod 9 are all located in the first limit groove on the limit plate 13, and the second limit blocks on the clamping rod 12 are all located in the second limit groove on the limit plate 13, when the pushing rod 9 and the clamping rod 12 move, the pushing rod 9 and the clamping rod 12 will be limited by the limit plate 13, thereby improving their movement stability.

[0062] like Figure 3 and Figure 4 As shown, during the swinging process, the clamping rod 12 also drives the sleeve 15 to rotate, which in turn drives the adjacent first gear 16 to rotate, which in turn drives the adjacent chain 20 to rotate, and the chain 20 drives the adjacent second gear 18 to rotate. At this time, because the second gear 18 and the adjacent third gear 19 are integrally formed, when the second gear 18 rotates, it drives the third gear 19 to rotate, which in turn drives the clamping rack 22 to move vertically.

[0063] like Figure 3 and Figure 4As shown, the sleeve 15 located at the upper part of the fixed box 1 rotates clockwise when the clamping rod 12 swings, and the sleeve 15 located at the lower part of the fixed box 1 rotates counterclockwise when the clamping rod 12 swings, thereby causing the first gear 16 and the second gear 18 located at the upper part of the fixed box 1 to rotate clockwise, and the first gear 16 and the second gear 18 located at the lower part of the fixed box 1 to rotate counterclockwise, thereby causing the third gear 19 located at the upper part of the fixed box 1 to rotate clockwise, and the third gear 19 located at the lower part of the fixed box 1 to rotate counterclockwise, so that they respectively drive the adjacent clamping racks 22 to approach each other, and the clamping racks 22 drive the sliding plates 21 to approach each other, and the sliding plates 21 drive the second clamping plates 23 to approach each other, and the second clamping plates 23 drive the clamping frames 24 to approach each other, so as to further clamp the interventional catheter.

[0064] At this time, both the first clamping plate 14 and the clamping frame 24 achieve clamping of the interventional catheter, forming a stable multi-point clamping structure.

[0065] The present invention clamps the interventional catheter through the push-pull rod 4 and the clamping rod 12, improves its clamping stability through the stabilizing component, and adds the clamping component to form a multi-point fixing mode, thereby further improving the clamping stability of the interventional catheter by the auxiliary device and reducing the possibility of secondary injury to the patient due to movement of the interventional catheter.

[0066] Example 2:

[0067] The difference from the first embodiment is that a buffer layer is fixedly bonded to the surfaces of the first clamping plate 14 and the clamping frame 24 .

[0068] The specific implementation process is as follows: when the first clamping plate 14 and the clamping frame 24 clamp the interventional catheter, the buffer layer will buffer the clamping force exerted on the interventional catheter, reducing the possibility of the interventional catheter being over-clamped, thereby protecting the interventional catheter and further reducing the possibility of secondary injury to the patient due to over-clamping of the interventional catheter.

[0069] Example 3:

[0070] The difference from embodiment 2 is that a non-slip pad is fixedly bonded to the surface of the strap 2 .

[0071] The specific implementation process is as follows: after the medical staff binds the strap 2 to the patient's limb, the anti-slip pad can firmly fix the auxiliary device on the patient's skin surface, thereby reducing the possibility of the auxiliary device slipping.

[0072] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A neurovascular interventional surgery auxiliary device, comprising a fixed box (1), both side walls of the fixed box (1) are provided with openings, and a binding strap (2) is fixedly connected to the bottom of the fixed box (1), characterized in that: The binding strap (2) is provided with a magnetic attraction component for magnetically fixing the binding strap (2) to the bottom of the fixing box (1); The inner side wall of the fixed box (1) is fixedly connected to a fixed frame (3), a push-pull rod (4) is laterally slidably fitted inside the fixed frame (3), one end of the push-pull rod (4) passes through the side wall of the fixed box (1) and extends to the outside of the fixed box (1) and is fixedly connected to a push-pull plate (5), a fixing assembly for fixing the push-pull plate (5) is provided on the fixed box (1), and the fixing assembly is located above the magnetic attraction assembly; A "<"-shaped push rod (9) is symmetrically fixedly connected to the push-pull rod (4), and a clamping shaft (10) and a fixed shaft (11) are symmetrically fixedly connected to the inner wall of the fixed box (1). The clamping shaft (10) is rotatably matched with a clamping rod (12), and the clamping rod (12) is located in the motion path of the adjacent push rod (9). The fixed shaft (11) is provided with a limiting assembly for limiting the push rod (9) and the clamping rod (12), and the limiting assembly is located on one side of the fixed assembly. A stabilizing component for improving the clamping stability of the clamping rod (12) and the push-pull rod (4) on the interventional catheter is provided at one end of the push-pull rod (4) away from the push-pull plate (5), and the stabilizing component is located on one side of the limiting component; The clamping rod (12) is symmetrically fixedly connected to sleeves (15) on both sides, the clamping shaft (10) is located in the sleeve (15) adjacent thereto and rotates in conjunction with the sleeve (15), the sleeve (15) is fixedly connected to a first gear (16), the inner side wall of the fixed box (1) is symmetrically fixedly connected to a rotating shaft (17), the rotating shaft (17) is symmetrically rotated in conjunction with a second gear (18) and a third gear (19), the second gear (18) is coaxially fixedly connected to the third gear (19) adjacent thereto, and a chain (20) is meshed between the first gear (16) and the second gear (18) adjacent thereto; A clamping assembly for further clamping the interventional catheter is provided inside the fixing box (1), and the clamping assembly is located on one side of the limiting assembly.

2. The neurovascular interventional surgery assisting device according to claim 1, characterized in that: The magnetic attraction component comprises a magnet fixedly connected to one end of the strap (2) and the bottom of the fixed box (1), and adjacent magnets attract each other.

3. The neurovascular interventional surgery assisting device according to claim 2, characterized in that: The fixing assembly comprises a fixing belt (6) fixedly connected to a side wall of the fixing box (1); a clamping ring (7) is fixedly connected to one end of the fixing belt (6) away from the fixing box (1); a clamping block (8) is fixedly connected to a side wall of the fixing box (1) away from the fixing belt (6); a clamping groove is formed on the clamping block (8); and the clamping ring (7) is detachably engaged with the clamping groove.

4. The neurovascular interventional surgery assisting device according to claim 3, characterized in that: The limiting assembly includes a limiting plate (13) symmetrically rotated and matched with the fixed shaft (11), the limiting plates (13) are slidably matched with the adjacent pushing rod (9) and the clamping rod (12), the two sides of the pushing rod (9) are symmetrically fixedly connected with the first limiting block, the two sides of the clamping rod (12) are symmetrically fixedly connected with the second limiting block, the limiting plate (13) is provided with a first limiting groove and a second limiting groove, the first limiting block and the second limiting block are respectively located in the first limiting groove and the second limiting groove adjacent to the first limiting groove and are slidably matched with the adjacent limiting plate (13).

5. The neurovascular interventional surgery assisting device according to claim 4, characterized in that: The stabilizing assembly comprises a first clamping plate (14) which is respectively hinged to one end of the clamping rod (12) away from the pushing rod (9) and one end of the push-pull rod (4) away from the push-pull plate (5).

6. The neurovascular interventional surgery assisting device according to claim 5, characterized in that: The clamping assembly comprises a sliding plate (21) symmetrically and vertically slidably fitted on the inner side wall of the fixed box (1), and the sliding plate (21) is symmetrically and fixedly connected with a clamping rack (22), and the clamping rack (22) is meshed with the third gear (19) adjacent thereto; One side of the sliding plate (21) is symmetrically fixedly connected with a second clamping plate (23).

7. The neurovascular interventional surgery assisting device according to claim 6, characterized in that: The second clamping plates (23) are fixedly connected with clamping frames (24).

8. The neurovascular interventional surgery assisting device according to claim 7, characterized in that: The first clamping plates (14) are all in a "(" shape.

9. The neurovascular interventional surgery assisting device according to claim 8, characterized in that: Buffer layers are fixedly connected to the surfaces of the first clamping plate (14) and the clamping frame (24).

10. The neurovascular interventional surgery assisting device according to claim 9, characterized in that: An anti-slip pad is fixedly connected to the surface of the binding strap (2).