Cerebrovascular intervention puncture positioning device

Abstract

The cerebrovascular intervention puncture positioning device comprises a puncture needle tube and a bearing part arranged on the surface of the puncture needle tube in a sleeving mode, the bearing part can carry the puncture needle tube to change the placement angle, and a positioning structure is arranged on the surface of the bearing part through a transmission structure. The positioning structure can be fixed after the bearing component is adjusted, displacement of the bearing component is prevented, the transmission structure can drive the positioning structure to be opened and closed flexibly, and a binding belt is arranged at the bottom of the bearing component. A puncture needle tube can be flexibly carried through the bearing part to change the placement angle, the flexibility and accuracy of an operation are improved, meanwhile, the positioning structure can fix the bearing part after adjustment is completed, displacement is prevented, the stability of the operation is ensured, and in addition, the linkage design of the transmission structure and the adjusting structure enables the operation to be more stable. The tensioning degree of the bridle can be adjusted while positioning is conducted, and the stability and reliability of the device are further enhanced.

Description

Technical Field

[0001] The invention relates to the technical field of cerebrovascular interventional puncture, and in particular to a cerebrovascular interventional puncture positioning device. Background Art

[0002] Cerebrovascular interventional therapy is an advanced method for diagnosing and treating cerebrovascular diseases. Its principle is to diagnose and treat through vascular routes using instruments such as puncture needles, guide wires, and catheters under the guidance of medical imaging equipment. This method can effectively solve a variety of diseases such as vascular bleeding, hemangiomas, and arterial occlusions. Doctors usually puncture the femoral artery at the root of the thigh, and sometimes choose other approaches such as the radial artery. Under the guidance of medical imaging equipment, catheters and guide wires are introduced through the puncture point and accurately delivered to the blood vessels at the site of the lesion.

[0003] For example, the patent publication number published on the China Patent Network is: CN 110384549 A, a cerebrovascular interventional puncture positioning device, belongs to the field of medical equipment technology, and solves the problem that the existing device cannot accurately position puncture devices of different thicknesses; its technical features are: including a base and a limit plate, the upper surface of the base is symmetrically equipped with two vertical plates, each of the vertical plates is provided with a baffle plate, the two baffle plates are connected by the limit plate, a positioning component mounting frame is provided in the limit plate, and two positioning components are symmetrically provided in the positioning component mounting frame, a vertical through groove is provided at the center of the base, a puncture frame is installed in the vertical through groove, and the baffle plate and the limit plate are slidably connected; the present invention can accurately position puncture devices of different thicknesses, solves the problem of inaccurate positioning of existing puncture devices, and can also protect the puncture device, avoid damage to the puncture device during the puncture process, and is conducive to popularization and use.

[0004] However, the existing positioning devices have a relatively simple way of fixing the puncture needle, which is mainly fixed by squeezing. When the placement angle of the puncture needle deviates according to the user's body shape and the direction of the blood vessels, it will cause unstable fixation and affect the surgical effect. During the squeezing process, if the force is improper or the position is inaccurate, it is easy to cause secondary injuries to the user (patient), such as skin compression, blood vessel damage, etc.

[0005] In addition, the extrusion-type fixation method may require the doctor to make multiple adjustments during the operation to ensure the stability of the puncture needle, which increases the complexity of the operation and the operation time. The design of the fixation device may not be user-friendly, causing the doctor to feel inconvenient or tired during the operation. The judgment of the puncture angle mainly depends on the doctor's personal experience and feel, which may lead to errors and uncertainties during the puncture process. The doctor's experience and skill level may vary due to individual differences, thus affecting the accuracy and safety of the puncture. There is currently a lack of objective and accurate puncture angle judgment standards or auxiliary tools, which makes it difficult for doctors to accurately judge and adjust the puncture angle during the puncture process.

[0006] Therefore, it is necessary to design and modify the cerebrovascular interventional puncture positioning device. Summary of the invention

[0007] In order to solve the problems raised in the above background technology, the purpose of the present invention is to provide a cerebrovascular interventional puncture positioning device, which has the advantage of improving puncture accuracy.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cerebrovascular interventional puncture positioning device, comprising a puncture needle tube;

[0009] A bearing component sleeved on the surface of the puncture needle tube;

[0010] The bearing component can carry the puncture needle tube to change the placement angle. The surface of the bearing component is provided with a positioning structure through a transmission structure. The positioning structure can be fixed after the bearing component is adjusted to prevent the bearing component from being displaced. The transmission structure can drive the positioning structure to be flexibly opened and closed. A belt is provided at the bottom of the bearing component. The surface of the bearing component is provided with an adjustment structure located at the top of the transmission structure. The adjustment structure and the transmission structure are connected by a linkage structure. When the transmission structure drives the positioning structure to run, the linkage structure can be used to control the tension of the adjustment belt.

[0011] As a preferred embodiment of the present invention, the bearing component includes an outer frame sleeved on the surface of the puncture needle tube, a sleeve is arranged inside the outer frame, the sleeve is sleeved on the surface of the puncture needle tube, the puncture needle tube can be vertically lifted and slid inside the sleeve, the top end of the sleeve passes through the outer frame and extends to the top of the outer frame, the surface of the outer frame is provided with an opening for the sleeve to swing, both sides of the sleeve are fixedly connected with an axle rod, the side of the axle rod away from the sleeve passes through the outside of the outer frame and is movably connected to the outer frame through a bearing, the surface of the outer frame is sleeved with a bearing ring, the outer surface of the outer frame extends to the inside of the bearing ring and is slidably connected to the bearing ring, and the outer frame can rotate and displace inside the bearing ring.

[0012] As a preferred embodiment of the present invention, the positioning structure includes a connecting frame fixedly connected to both sides of the outer frame, connecting blocks are fixedly connected to both sides of the connecting frame, and the outer side of the connecting block is movably connected with a claw through a pin shaft, and the claw extends from a side away from the connecting block to the bottom of the load-bearing ring and contacts with the surface of the load-bearing ring, and the transmission structure can drive the claw to swing and use the pressure during the swing to squeeze and position the load-bearing ring and the outer frame.

[0013] As a preferred embodiment of the present invention, the positioning structure also includes an extension rod fixedly connected to the surface of the claw, the extension rod extends to the outside of the shaft rod on the side away from the claw, and the end of the extension rod away from the claw is fixedly connected to a positioning frame arranged around the surface of the shaft rod, the inner surface of the positioning frame is in close contact with the surface of the shaft rod, and the positioning frame can synchronously swing inward during the process of the claw swinging outward and use pressure to squeeze and fix the shaft rod.

[0014] As a preferred embodiment of the present invention, the transmission structure includes a bidirectional screw rod which is movably connected to the inside of the connecting frame through a bearing, both sides of the surface of the bidirectional screw rod are threadedly connected with screw sleeves, the top of the screw sleeve is fixedly connected with a bracket, the side of the bracket away from the screw sleeve is fixedly connected with a pressure rod, the outer side of the extension rod is fixedly connected with a support frame, the outer side of the support frame is arranged in an inclined shape, the side of the pressure rod away from the bracket can contact the outer surface of the support frame, and when the pressure rod contacts the inclined surface of the support frame surface, the support frame can be used to push the extension rod together with the claw to swing with the pin shaft inside the connecting block as the axis.

[0015] As a preferred embodiment of the present invention, buckles are fixedly connected on both sides of the carrying ring, the strap is inserted into the inside of the buckle and slidably connected to the buckle, a lifting plate is provided on the top of the shaft rod, and traction ropes are fixedly connected on both sides of the bottom of the lifting plate, and the side of the traction rope away from the lifting plate is fixedly connected to the top of the strap, and the lifting plate is connected to the screw sleeve through an adjusting structure, and the adjusting structure can control the height of the lifting plate and use the traction rope to pull the strap and change the length of the strap at the bottom of the buckle.

[0016] As a preferred embodiment of the present invention, the adjustment structure includes a crank movably connected to the back side of the screw sleeve through a pin shaft, the crank extends from one side of the screw sleeve to the back side of the lifting plate and is movably connected to the lifting plate through a pin shaft, and the screw sleeve can use shear force to push the lifting plate to move vertically during the movement of the bottom end of the crank carrying the screw sleeve.

[0017] As a preferred embodiment of the present invention, both ends of the sleeve are connected to connecting tubes, a pressure rod is inserted into the interior of the connecting tube, the inner end of the pressure rod is in contact with the outer surface of the puncture needle tube, and the surface of the outer frame is provided with a fixed structure, which can push the pressure rod to move inward and position and connect the puncture needle tube and the sleeve.

[0018] As a preferred embodiment of the present invention, the fixed structure includes a movable block fixedly connected to the top of the outer frame, the inner side of the movable block is movably connected to a transmission rod through a bearing, both sides of the surface of the transmission rod are fixedly connected to gears, the top of the lifting plate is fixedly connected to a vertical plate, the side of the vertical plate away from the lifting plate is fixedly connected to a toothed plate located on one side of the gear, the teeth on the surface of the toothed plate are meshed with the teeth on the surface of the gear, and the toothed plate can carry the gear to rotate during the vertical lifting of the lifting plate, the outer end of the transmission rod is fixedly connected to a push plate, the surface of the pressure rod is fixedly connected to an extension ring, the side of the push plate away from the transmission rod can contact with the extension ring and use the extension ring to apply pressure to the pressure rod.

[0019] As a preferred embodiment of the present invention, supports are fixedly connected to the four corners of the surface of the outer frame, two guide rods arranged opposite to each other are fixedly connected to the inner sides of the supports, arc frames are arranged on both sides of the top of the outer frame and surround the surface of the pressure rod, both ends of the arc frame are sleeved on the surface of the guide rod and are slidably connected to the guide rod, the arc frame is located on the outside of the extension ring, and the side of the push plate away from the transmission rod is in contact with the outside of the arc frame and uses the arc frame to apply pressure to the extension ring.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The present invention can flexibly carry the puncture needle tube to change the placement angle through the bearing component, thereby improving the flexibility and accuracy of the operation. At the same time, the positioning structure can fix the bearing component after adjustment to prevent displacement and ensure the stability of the operation. In addition, the linkage design of the transmission structure and the adjustment structure makes it possible to adjust the tension of the belt while positioning, further enhancing the stability and reliability of the device.

[0022] 2. The present invention enables the puncture needle tube to vertically rise and fall and slide inside the sleeve through the design of the bearing component, which is convenient for adjusting the puncture depth. The sliding connection and rotational displacement function between the outer frame and the bearing ring increase the spatial adjustment range of the device, making the puncture operation more flexible and convenient.

[0023] 3. The claw design of the positioning structure of the present invention can utilize the pressure during swinging to squeeze and position the load-bearing ring and the outer frame to achieve rapid and stable fixation, ensuring that the load-bearing components will not move accidentally during the operation.

[0024] 4. The present invention further enhances the stability of the positioning structure through the design of the extension rod and the positioning frame. The positioning frame can swing synchronously and use pressure to squeeze and fix the shaft rod to prevent the outer frame from rotating or displacing inside the load-bearing ring, thereby improving the safety of the operation.

[0025] 5. The present invention adopts the bidirectional screw and sleeve design of the transmission structure and utilizes the contact between the pressure rod and the support frame to flexibly drive the claws of the positioning structure to swing, thereby realizing the rapid opening and closing of the positioning structure. This design simplifies the operation process and improves the surgical efficiency.

[0026] 6. The present invention can conveniently adjust the tension of the strap through the design of the strap and the lifting plate and the transmission connection between the adjustment structure and the screw sleeve, which helps to maintain the stability of the bearing component and prevent displacement due to external force interference during the operation.

[0027] 7. The present invention realizes precise adjustment of the tension of the strap by using the crank design of the adjustment structure and utilizing the shear force when the screw sleeve moves to push the lifting plate to move vertically. This design simplifies the adjustment process and improves the adjustment accuracy.

[0028] 8. The present invention adopts the design of the connecting tube and the pressure rod, and utilizes the fixed structure to push the pressure rod inward, so as to position and connect the puncture needle tube with the sleeve, which helps to prevent the puncture needle tube from accidentally sliding or falling off during the operation, thereby improving the safety of the operation.

[0029] 9. The present invention adopts a fixed structure of gears, toothed plates and push plates, utilizes the vertical lifting of the lifting plate to drive the gears to rotate, and then pushes the push plate to apply pressure to the pressure rod, thereby achieving rapid and stable fixation of the positioning connection between the puncture needle tube and the cannula, thereby improving the efficiency and accuracy of the operation.

[0030] 10. The present invention provides stable support and guidance for the push plate to apply pressure to the extension ring through the design of the support, guide rod and arc frame. The arc frame is located on the outside of the extension ring, which can ensure that the push plate will not damage the extension ring or puncture needle tube when applying pressure, further improving the safety and reliability of the operation. At the same time, the arc frame is sleeved on the surface of the guide rod and is slidably connected to the guide rod. It is located on the outside of the extension ring and can synchronously squeeze the pressure rod at any position when the push plate pushes the arc frame, thereby meeting the fixing requirements of the swing rod after swinging. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the structure of the present invention;

[0032] Figure 2 It is a schematic diagram of the main structure of the present invention;

[0033] Figure 3 It is a schematic diagram of the positioning structure of the present invention;

[0034] Figure 4 It is a schematic diagram of the adjustment structure of the present invention;

[0035] Figure 5 It is a bottom view structural schematic diagram of the present invention;

[0036] Figure 6 It is a schematic diagram of the transmission structure of the present invention;

[0037] Figure 7 It is a schematic diagram of the structure of the bearing component of the present invention;

[0038] Figure 8 For the present invention Figure 3 Enlarged structural diagram at A in the middle.

[0039] In the figure: 1, puncture needle tube; 2, bearing component; 3, transmission structure; 4, positioning structure; 5, strap; 6, adjustment structure; 7, outer frame; 8, sleeve; 9, shaft; 10, bearing ring; 11, connecting frame; 12, connecting block; 13, claw; 14, extension rod; 15, positioning frame; 16, two-way screw; 17, screw sleeve; 18, bracket; 19, pressure rod; 20, support frame; 21, buckle; 22, lifting plate; 23, traction rope; 24, crank; 25, connecting pipe; 26, pressure rod; 27, fixed structure; 28, movable block; 29, transmission rod; 30, gear; 31, vertical plate; 32, tooth plate; 33, push plate; 34, extension ring; 35, support; 36, guide rod; 37, arc frame. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] like Figures 1 to 8 As shown, a cerebrovascular interventional puncture positioning device provided by the present invention includes a puncture needle tube 1;

[0042] A bearing component 2 sleeved on the surface of the puncture needle tube 1;

[0043] The bearing component 2 can carry the puncture needle tube 1 to change the placement angle. The surface of the bearing component 2 is provided with a positioning structure 4 through a transmission structure 3. The positioning structure 4 can be fixed after the bearing component 2 is adjusted to prevent the bearing component 2 from being displaced. The transmission structure 3 can drive the positioning structure 4 to be flexibly opened and closed. A belt 5 is provided at the bottom of the bearing component 2, and an adjustment structure 6 located at the top of the transmission structure 3 is provided on the surface of the bearing component 2. The adjustment structure 6 is connected to the transmission structure 3 through a linkage structure. When the transmission structure 3 drives the positioning structure 4 to run, the linkage structure can be used to control the adjustment structure 6 to adjust the tension of the belt 5.

[0044] refer to Figure 7The core structure of the bearing component 2 includes an outer frame 7 sleeved on the surface of the puncture needle tube 1. The outer frame 7 not only provides necessary support for the puncture needle tube 1, but also realizes the vertical lifting and sliding function of the puncture needle tube 1 through the sleeve 8 arranged inside it. The sleeve 8 is tightly sleeved on the surface of the puncture needle tube 1 to ensure a stable connection between the two. At the same time, the top of the sleeve 8 passes through the outer frame 7 and extends to its top. This design allows the puncture needle tube 1 to be freely vertically lifted and lowered inside the sleeve 8 to meet the needs of different surgical depths. In order to further enhance the flexibility of the bearing component 2, an opening for the swing of the sleeve 8 is specially opened on the surface of the outer frame 7. This opening allows the sleeve 8 to swing within a certain range inside the outer frame 7, thereby expanding the operating space of the puncture needle tube 1. The sleeve 8 is fixedly connected to the outer frame 7 on both sides, so that the doctor can adjust the puncture angle and depth more flexibly during the operation. The shaft rods 9 are fixedly connected to the outer frame 7 on the side away from the sleeve 8, and the shaft rods 9 are movably connected to the outer frame 7 through the bearing. This design allows the sleeve 8 to perform stable rotational movement inside the outer frame 7, further improving the flexibility and accuracy of the puncture operation. In order to enhance the overall stability and load-bearing capacity of the bearing component 2, a bearing ring 10 is also provided on the surface of the outer frame 7. This bearing ring 10 is not only in close contact with the outer surface of the outer frame 7, but also allows the outer frame 7 to rotate and displace inside it through a sliding connection. The existence of the bearing ring 10 not only enhances the structural strength of the bearing component 2, but also provides a more stable support foundation for it.

[0045] As a technical optimization scheme of the present invention, by setting the bearing component 2, multiple functions such as stable support, vertical lifting, sliding, swinging and rotation of the puncture needle tube 1 are realized. The combination of these functions enables the cerebrovascular interventional puncture positioning device to complete the puncture operation more flexibly and accurately during the operation, thereby improving the efficiency and success rate of the operation. At the same time, the stability and load-bearing capacity of the bearing component 2 are also fully guaranteed, ensuring the safety and reliability of the operation.

[0046] refer to Figure 4 The positioning structure 4 includes a connecting frame 11 fixedly connected to both sides of the outer frame 7, and connecting blocks 12 are fixedly connected to both sides of the connecting frame 11. The outer side of the connecting block 12 is movably connected with a claw 13 through a pin shaft. The claw 13 extends from the side away from the connecting block 12 to the bottom of the load-bearing ring 10 and contacts with the surface of the load-bearing ring 10. The transmission structure 3 can drive the claw 13 to swing and use the pressure during the swing to squeeze and position the load-bearing ring 10 and the outer frame 7.

[0047] As a technical optimization solution of the present invention, the claw 13 design of the positioning structure 4 can utilize the pressure during swinging to squeeze and position the supporting ring 10 and the outer frame 7, thereby achieving rapid and stable fixation and ensuring that the supporting component 2 will not move accidentally during the operation.

[0048] refer to Figure 4 The positioning structure 4 is mainly composed of a connecting frame 11 fixedly connected to both sides of the outer frame 7. The connecting frame 11 not only provides a stable support for the positioning structure 4, but also realizes the flexible swing and precise positioning of the claw 13 through its carefully designed internal structure. On both sides of the inner part of the connecting frame 11, a connecting block 12 is fixedly connected. The connecting block 12 serves as a supporting point for the claw 13, and is movably connected to the claw 13 through a pin shaft. The design of the pin shaft allows the claw 13 to swing within a certain range on the outside of the connecting block 12. This swinging characteristic is the key to the precise positioning of the positioning structure 4. The claw 13 is the core component of the positioning structure 4. They extend to the bottom of the load-bearing ring 10 and are in close contact with the surface of the load-bearing ring 10. When the transmission structure 3 is started, it will drive the claw 13 to swing. During the swinging process, the claw 13 will use its own pressure and friction to squeeze and position the load-bearing ring 10 and the outer frame 7. This connection method is not only stable and reliable, but also can effectively prevent the accidental movement or displacement of the load-bearing component 2 during the operation.

[0049] As a technical optimization solution of the present invention, the stability of the positioning structure 4 is further enhanced by the design of the extension rod 14 and the positioning frame 15. The positioning frame 15 can swing synchronously and use pressure to squeeze and fix the shaft 9 to prevent the outer frame 7 from rotating or displacing inside the bearing ring 10, thereby improving the safety of the operation. The design of the transmission structure 3 is an important guarantee for the normal operation of the positioning structure 4. It realizes precise control of the swing of the claw 13 through the transmission connection with the claw 13. Driven by the transmission structure 3, the claw 13 can quickly swing to the specified position and generate sufficient pressure and friction to tightly connect the bearing ring 10 and the outer frame 7, which not only improves the response speed of the positioning structure 4, but also ensures its stability and reliability during the operation.

[0050] refer to Figure 6The transmission structure 3 includes a bidirectional screw 16 movably connected to the inside of the connecting frame 11 through a bearing, and screw sleeves 17 are threadedly connected to both sides of the surface of the bidirectional screw 16. A bracket 18 is fixedly connected to the top of the screw sleeve 17, and a pressure rod 19 is fixedly connected to the side of the bracket 18 away from the screw sleeve 17. The outer side of the extension rod 14 is fixedly connected to a support frame 20, and the outer side of the support frame 20 is arranged to be inclined. The side of the pressure rod 19 away from the bracket 18 can contact the outer surface of the support frame 20. When the pressure rod 19 contacts the inclined surface of the surface of the support frame 20, the support frame 20 can be used to push the extension rod 14 together with the claw 13 to swing with the pin shaft inside the connecting block 12 as the axis.

[0051] As a technical optimization solution of the present invention, through the design of the bidirectional screw 16 and the screw sleeve 17 of the transmission structure 3, by utilizing the contact between the pressure rod 19 and the support frame 20, the claw 13 of the positioning structure 4 can be flexibly driven to swing, thereby realizing the rapid opening and closing of the positioning structure 4. This design simplifies the operation process and improves the surgical efficiency.

[0052] refer to Figure 4 , both sides of the carrying ring 10 are fixedly connected with buckles 21, and the strap 5 is inserted into the inside of the buckle 21 and slidably connected with the buckle 21. A lifting plate 22 is arranged on the top of the shaft rod 9, and both sides of the bottom of the lifting plate 22 are fixedly connected with traction ropes 23. The traction rope 23 is fixedly connected to the top of the strap 5 on the side away from the lifting plate 22. The lifting plate 22 is transmission-connected with the screw sleeve 17 through the adjusting structure 6. The adjusting structure 6 can control the height of the lifting plate 22 and use the traction rope 23 to pull the strap 5 and change the length of the strap 5 at the bottom of the buckle 21. The surface of the strap 5 is provided with an adjusting frame 38 located at the bottom of the buckle 21, and the adjusting frame 38 is slidably connected with the strap 5. Both sides of the carrying ring 10 are movably connected with adjusting rods 39 through bearings. The outer end of the adjusting rod 39 passes through the adjusting frame 38 and extends to the outside of the adjusting frame 38. The adjusting rod 39 is threadedly connected with the adjusting frame 38. When the adjusting rod 39 rotates, it can push the adjusting frame 38 to move outward and pre-adjust the strap 5.

[0053] As a technical optimization solution of the present invention, through the design of the strap 5 and the lifting plate 22, and utilizing the transmission connection between the adjustment structure 6 and the screw sleeve 17, the tension of the strap 5 can be easily adjusted, which helps to maintain the stability of the bearing component 2 and prevent displacement due to external force interference during the operation.

[0054] refer to Figure 4 The adjusting structure 6 includes a crank 24 movably connected to the back of the screw sleeve 17 through a pin shaft. The crank 24 extends from one side of the screw sleeve 17 to the back of the lifting plate 22 and is movably connected to the lifting plate 22 through a pin shaft. When the screw sleeve 17 moves with the bottom end of the crank 24, the shear force can be used to push the lifting plate 22 to move vertically.

[0055] As a technical optimization solution of the present invention, by designing the crank 24 of the adjustment structure 6, the shear force when the screw sleeve 17 moves is used to push the lifting plate 22 to move vertically, thereby achieving precise adjustment of the tension of the strap 5. This design simplifies the adjustment process and improves the adjustment accuracy.

[0056] refer to Figure 3 Both ends of the sleeve 8 are connected with a connecting tube 25, and a pressure rod 26 is inserted into the interior of the connecting tube 25. The inner end of the pressure rod 26 contacts the outer surface of the puncture needle tube 1. A fixing structure 27 is provided on the surface of the outer frame 7. The fixing structure 27 can push the pressure rod 26 to move inward and position and connect the puncture needle tube 1 and the sleeve 8.

[0057] As a technical optimization solution of the present invention, through the design of the connecting tube 25 and the pressure rod 26, the fixed structure 27 is used to push the pressure rod 26 to move inward, so that the puncture needle tube 1 and the sleeve 8 can be positioned and connected, which helps to prevent the puncture needle tube 1 from accidentally sliding or falling off during the operation, thereby improving the safety of the operation.

[0058] refer to Figure 3 The fixed structure 27 includes a movable block 28 fixedly connected to the top of the outer frame 7, the inner side of the movable block 28 is movably connected to a transmission rod 29 through a bearing, and gears 30 are fixedly connected to both sides of the surface of the transmission rod 29, and a vertical plate 31 is fixedly connected to the top of the lifting plate 22, and a toothed plate 32 located on one side of the gear 30 is fixedly connected to the side of the vertical plate 31 away from the lifting plate 22, and the teeth on the surface of the toothed plate 32 are meshed with the teeth on the surface of the gear 30. During the vertical lifting of the lifting plate 22, the toothed plate 32 can be used to carry the gear 30 to rotate, and a push plate 33 is fixedly connected to the outer end of the transmission rod 29, and an extension ring 34 is fixedly connected to the surface of the pressure rod 26, and the side of the push plate 33 away from the transmission rod 29 can contact with the extension ring 34 and use the extension ring 34 to apply pressure to the pressure rod 26.

[0059] As a technical optimization solution of the present invention, through the design of the gear 30, tooth plate 32 and push plate 33 of the fixed structure 27, the vertical lifting of the lifting plate 22 is used to drive the gear 30 to rotate, and then push the push plate 33 to apply pressure to the pressure rod 26, thereby achieving a rapid and stable fixation of the positioning connection between the puncture needle tube 1 and the sleeve 8, thereby improving the efficiency and accuracy of the operation.

[0060] refer to Figure 3The four corners of the surface of the outer frame 7 are fixedly connected with supports 35, and the inner sides of the supports 35 are fixedly connected with two guide rods 36 arranged opposite to each other. Both sides of the top of the outer frame 7 are provided with arc frames 37 arranged around the surface of the pressure rod 26. The two ends of the arc frame 37 are sleeved on the surface of the guide rod 36 and are slidably connected with the guide rod 36. The arc frame 37 is located on the outer side of the extension ring 34, and the side of the push plate 33 away from the transmission rod 29 contacts the outer side of the arc frame 37 and uses the arc frame 37 to apply pressure to the extension ring 34.

[0061] As a technical optimization solution of the present invention, the design of the support 35, the guide rod 36 and the arc frame 37 provides stable support and guidance for the push plate 33 to apply pressure to the extension ring 34. The arc frame 37 is located on the outside of the extension ring 34, which can ensure that the push plate 33 will not damage the extension ring 34 or the puncture needle tube 1 when applying pressure, further improving the safety and reliability of the operation. At the same time, the arc frame 37 is sleeved on the surface of the guide rod 36 and is slidably connected to the guide rod 36. It is located on the outside of the extension ring 34 and can synchronously squeeze the pressure rod 26 at any position when the push plate 33 pushes the arc frame 37, thereby meeting the fixing requirements of the swing rod after swinging.

[0062] The working principle and use process of the present invention are as follows: first, the puncture needle tube 1 is sleeved inside the bearing component 2, and the bearing component 2 mainly includes an outer frame 7, and a sleeve 8 is arranged inside the outer frame 7. The sleeve 8 is sleeved on the surface of the puncture needle tube 1, allowing the puncture needle tube 1 to vertically rise and fall and slide inside the sleeve 8. The top end of the sleeve 8 penetrates the outer frame 7 and extends to its top, and an opening is opened on the surface of the outer frame 7, allowing the sleeve 8 to swing within a certain range. The two sides of the sleeve 8 are movably connected to the outer frame 7 through the shaft 9, so that the sleeve 8 can rotate relative to the outer frame 7. When the position of the puncture needle tube 1 needs to be adjusted, the height and angle can be changed by controlling the above components, so as to achieve the effect of flexibly adjusting the position of the puncture needle tube 1. Before being set, the positioning structure 4 is in an open state, allowing the bearing component 2, namely the outer frame 7 and the sleeve 8, to be displaced. The positioning structure 4 includes components such as a connecting frame 11, a connecting block 12, a claw 13 and an extension rod 14. The claw 13 is movably connected to the connecting block 12 through a pin and can swing under the action of the transmission structure 3. The extension rod 14 is connected to the claw 13 and extends to the outside of the shaft 9 and is connected to the positioning frame 15. When the transmission structure 3 is operated, the screw sleeve 17 moves along the bidirectional screw 16 and pushes the support frame 20 through the bracket 18 and the pressure rod 19. The inclined surface of the support frame 20 contacts the pressure rod 19, so that the pressure rod 19 pushes the extension rod 14 and the claw 13 to swing. As the claw 13 swings, they contact the bottom of the bearing ring 10. The load-bearing ring 10 is squeezed and positioned with the outer frame 7 by pressure, so as to fix the position of the load-bearing component 2. At the same time, the positioning frame 15 at the top of the claw 13 can assist in squeezing and fixing the shaft rod 9 to prevent the shaft rod 9 from rotating inside the outer frame 7. While the positioning structure 4 is fixed, the transmission structure 3 also controls the adjustment structure 6 through the linkage structure to adjust the tension of the strap 5. The strap 5 is inserted into the buckle 21 and is connected to the lifting plate 22 through the traction rope 23. When the outer frame 7 rotates, the outer frame 7 can carry the linkage structure to rotate synchronously. During the rotation of the linkage structure, the traction rope 23 is used to initially pull the strap. The side of the strap 5 located at the top of the buckle 21 enters the tilt knob state and pulls the strap 5 at the bottom of the buckle 21 to move upward and complete the rotation. The initial squeezing and positioning of the arm or leg can reduce the flow of blood vessels in the arm and leg of the user wearing the device, thereby reducing the difficulty of intervention. When the screw sleeve 17 moves, the crank 24 will carry the lifting plate 22 to move vertically, thereby pulling the traction rope 23 and changing the length of the strap 5 at the bottom of the buckle 21, so as to further adjust the tension. In addition, the device is also provided with a fixed structure 27 to further fix the position of the puncture needle tube 1. The fixed structure 27 includes a movable block 28, a transmission rod 29, a gear 30, a tooth plate 32 and a push plate 33. When the lifting plate 22 is lifted vertically, the tooth plate 32 will be used to carry the gear 30 to rotate, and the rotation of the gear 30 will drive the transmission rod 29 and the push plate 33 to move. One side of the push plate 33 contacts the extension ring 34.And apply pressure to the pressure rod 26, so as to position and connect the puncture needle tube 1 with the sleeve 8. In order to avoid the swing of the puncture needle tube 1 carried by the sleeve 8 being affected, during the puncture process, it can be achieved through the arc frame 37 on the surface of the pressure rod 26. The inner end of the pressure rod 26 contacts the outer surface of the puncture needle tube 1. By pushing the pressure rod 26, the position of the puncture needle tube 1 inside the sleeve 8 can be adjusted. The arc frame 37 is sleeved on the surface of the guide rod 36 and is slidably connected to the guide rod 36. It is located on the outside of the extension ring 34. When the push plate 33 pushes the arc frame 37, the pressure rod 26 at any position can be synchronously squeezed to meet the fixing requirements of the swing rod after swinging.

[0063] To sum up: the cerebrovascular interventional puncture positioning device, through the coordinated work of the bearing component 2, the transmission structure 3, the positioning structure 4, the adjustment structure 6, the belt 5 and the fixing structure 27, achieves the precise positioning and fixation of the puncture needle tube 1, providing a more accurate and stable operating platform for cerebrovascular interventional surgery.

[0064] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0065] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cerebrovascular interventional puncture positioning device, comprising a puncture needle tube (1); A bearing component (2) sleeved on the surface of the puncture needle tube (1); Features: The bearing component (2) can carry the puncture needle tube (1) to change the placement angle. The surface of the bearing component (2) is provided with a positioning structure (4) through a transmission structure (3). The positioning structure (4) can be fixed after the bearing component (2) is adjusted to prevent the bearing component (2) from being displaced. The transmission structure (3) can drive the positioning structure (4) to be flexibly opened and closed. A belt (5) is provided at the bottom of the bearing component (2). An adjustment structure (6) located at the top of the transmission structure (3) is provided on the surface of the bearing component (2). The adjustment structure (6) is connected to the transmission structure (3) through a linkage structure. When the transmission structure (3) drives the positioning structure (4) to operate, the linkage structure can be used to control the tension of the adjustment structure (6) to adjust the belt (5).

2. A cerebrovascular interventional puncture positioning device according to claim 1, characterized in that: The bearing component (2) comprises an outer frame (7) sleeved on the surface of the puncture needle tube (1), a sleeve (8) is arranged inside the outer frame (7), the sleeve (8) is sleeved on the surface of the puncture needle tube (1), the puncture needle tube (1) can be vertically lifted and slid inside the sleeve (8), the top end of the sleeve (8) passes through the outer frame (7) and extends to the top of the outer frame (7), the surface of the outer frame (7) is provided with an opening for the sleeve (8) to swing, both sides of the sleeve (8) are fixedly connected with a shaft (9), the side of the shaft (9) away from the sleeve (8) passes through the outside of the outer frame (7) and is movably connected to the outer frame (7) through a bearing, the surface of the outer frame (7) is sleeved with a bearing ring (10), the outer surface of the outer frame (7) extends to the inside of the bearing ring (10) and is slidably connected to the bearing ring (10), and the outer frame (7) can rotate and displace inside the bearing ring (10).

3. A cerebrovascular interventional puncture positioning device according to claim 2, characterized in that: The positioning structure (4) comprises a connection frame (11) fixedly connected to both sides of the outer frame (7), the connection frame (11) having connection blocks (12) fixedly connected to both sides thereof, the outer side of the connection block (12) being movably connected to a clamping claw (13) via a pin, the clamping claw (13) extending from a side of the connection block (12) to the bottom of the bearing ring (10) and in contact with the surface of the bearing ring (10), the transmission structure (3) being able to drive the clamping claw (13) to swing and utilize the pressure during the swinging to squeeze and position the bearing ring (10) and the outer frame (7).

4. A cerebrovascular interventional puncture positioning device according to claim 3, characterized in that: The positioning structure (4) also includes an extension rod (14) fixedly connected to the surface of the claw (13), the extension rod (14) extending to the outside of the shaft (9) on a side away from the claw (13), and the end of the extension rod (14) away from the claw (13) is fixedly connected to a positioning frame (15) arranged around the surface of the shaft (9), the inner surface of the positioning frame (15) is in close contact with the surface of the shaft (9), and the positioning frame (15) can be synchronously swung inwards during the process of the claw (13) swinging outwards and use pressure to squeeze and fix the shaft (9).

5. A cerebrovascular interventional puncture positioning device according to claim 4, characterized in that: The transmission structure (3) comprises a bidirectional screw (16) movably connected to the inside of a connection frame (11) through a bearing, both sides of the surface of the bidirectional screw (16) are threadedly connected with screw sleeves (17), the top of the screw sleeve (17) is fixedly connected with a bracket (18), the side of the bracket (18) away from the screw sleeve (17) is fixedly connected with a pressure rod (19), the outer side of the extension rod (14) is fixedly connected with a support frame (20), the outer side of the support frame (20) is arranged to be inclined, the side of the pressure rod (19) away from the bracket (18) can contact with the outer surface of the support frame (20), and when the pressure rod (19) contacts with the inclined surface of the support frame (20), the support frame (20) can be used to push the extension rod (14) together with the claw (13) to swing with the pin shaft inside the connection block (12) as the axis.

6. A cerebrovascular interventional puncture positioning device according to claim 5, characterized in that: Both sides of the carrying ring (10) are fixedly connected with buckles (21), the strap (5) is inserted into the inside of the buckle (21) and is slidably connected to the buckle (21), a lifting plate (22) is arranged on the top of the shaft rod (9), and both sides of the bottom of the lifting plate (22) are fixedly connected with traction ropes (23), and the side of the traction rope (23) away from the lifting plate (22) is fixedly connected to the top of the strap (5), and the lifting plate (22) is transmission-connected to the screw sleeve (17) through an adjustment structure (6), and the adjustment structure (6) can control the height of the lifting plate (22) and use the traction rope (23) to pull the strap (5) and change the length of the strap (5) at the bottom of the buckle (21).

7. A cerebrovascular interventional puncture positioning device according to claim 6, characterized in that: The adjusting structure (6) comprises a crank (24) movably connected to the back side of the screw sleeve (17) via a pin shaft, the crank (24) and one side of the screw sleeve (17) extend to the back side of the lifting plate (22) and are movably connected to the lifting plate (22) via the pin shaft, and the screw sleeve (17) can use shear force to push the lifting plate (22) to move vertically when the bottom end of the crank (24) is moved.

8. The cerebrovascular interventional puncture positioning device according to claim 7, characterized in that: Both ends of the sleeve (8) are connected to a connecting tube (25), a pressure rod (26) is inserted into the interior of the connecting tube (25), the inner end of the pressure rod (26) is in contact with the outer surface of the puncture needle tube (1), and a fixing structure (27) is provided on the surface of the outer frame (7), and the fixing structure (27) can push the pressure rod (26) to move inward and position and connect the puncture needle tube (1) and the sleeve (8).

9. The cerebrovascular interventional puncture positioning device according to claim 8, characterized in that: The fixed structure (27) comprises a movable block (28) fixedly connected to the top of the outer frame (7); a transmission rod (29) is movably connected to the inner side of the movable block (28) via a bearing; gears (30) are fixedly connected to both sides of the surface of the transmission rod (29); a vertical plate (31) is fixedly connected to the top of the lifting plate (22); a toothed plate (32) located on one side of the gear (30) is fixedly connected to the side of the vertical plate (31) away from the lifting plate (22); and the toothed plate (32) is fixedly connected to the side of the gear (30). ) surface meshes with the teeth on the surface of the gear (30); during the vertical lifting of the lifting plate (22), the gear (30) can be rotated by the gear plate (32); the outer end of the transmission rod (29) is fixedly connected with a push plate (33); the surface of the pressure rod (26) is fixedly connected with an extension ring (34); the side of the push plate (33) away from the transmission rod (29) can contact with the extension ring (34) and use the extension ring (34) to apply pressure to the pressure rod (26).

10. A cerebrovascular interventional puncture positioning device according to claim 9, characterized in that: The four corners of the surface of the outer frame (7) are fixedly connected with supports (35), and the inner side of the supports (35) is fixedly connected with two guide rods (36) arranged opposite to each other. Both sides of the top of the outer frame (7) are provided with arc frames (37) arranged around the surface of the pressure rod (26), and the two ends of the arc frame (37) are sleeved on the surface of the guide rod (36) and are slidably connected with the guide rod (36). The arc frame (37) is located on the outer side of the extension ring (34), and the side of the push plate (33) away from the transmission rod (29) contacts the outer side of the arc frame (37) and uses the arc frame (37) to apply pressure to the extension ring (34).

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