Puncture surgery auxiliary positioning frame
By designing a puncture surgery auxiliary positioning frame and utilizing limiting bolts and pneumatic pushing components, the problem of the puncture tube being difficult to stabilize at the lesion site was solved, thus achieving stability and safety in the puncture process.
Patent Information
- Application Number
- CN202510807609.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-17
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2045-06-17
AI Technical Summary
During brain puncture, the puncture tube is difficult to keep stable and is prone to detaching from the lesion site, leading to secondary damage.
A puncture surgery auxiliary positioning frame was designed, including a positioning frame, an arc-shaped adjustment plate, a sliding frame, a sliding plate, and a limiting mechanism. Through limiting bolts, a semi-circular clamping plate, and a pneumatic pushing component, the stability and accuracy of the puncture tube at the lesion position are ensured.
It effectively prevents the puncture tube from dislodging at the lesion site, ensures the stability and accuracy of the puncture process, avoids secondary damage, and facilitates the removal of the puncture tube after the puncture is completed.
Smart Images

Figure CN120570657B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of puncture surgery positioning equipment, and more particularly to a puncture surgery auxiliary positioning frame. Background Technology
[0002] Brain puncture is an important emergency measure and a routine clinical procedure, often used for clinical diagnosis and treatment. Currently, the brain puncture process involves using CT scans to locate the lesion in the brain and determine the puncture point and angle. Then, an incision is made at the location of the lesion in the brain, and the lesion is punctured through a puncture tube to treat the lesion.
[0003] For example, invention patent CN106175893B discloses a method and device for implanting intracranial electrodes using an arc-shaped trajectory. This method allows a single electrode to pass through multiple intracranial target points via a puncture trajectory. The method uses an arc-shaped puncture cannula with a fixed curvature to introduce the electrode into the cranium. The arc-shaped puncture cannula is guided by an arc-shaped guide cannula with a fixed curvature to achieve puncture positioning. The arc-shaped guide cannula is fixed to a positioning device, which has a positioning frame and an adjustable positioning point. A fixing element is provided at each positioning point. When the arc-shaped guide cannula passes through the positioning point and is fixed by the fixing element, the arc-shaped guide cannula completes its positioning. When the arc-shaped guide cannula is positioned, the circumference of the arc of the guide cannula passes through multiple intracranial target points.
[0004] Regarding the above cases, there are still the following shortcomings. For example, during the puncture of the lesion site, the lack of a limit for the puncture tube makes it difficult to keep the puncture tube stable after it is inserted into the lesion site. If the puncture tube is accidentally touched during the operation, it is easy for the puncture tube to be dislodged from the lesion site, which can easily cause secondary injury to the patient.
[0005] Therefore, the present invention proposes a puncture surgery auxiliary positioning frame to solve the above problems. Summary of the Invention
[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a puncture surgery auxiliary positioning frame, comprising: a positioning frame, on both sides of which are fixedly connected two support frames, and the support frames are provided with a rotating shaft;
[0007] An arc-shaped adjusting plate has its two ends rotatably connected to two rotating shafts, and the rotating shafts are provided with a first fixing component to limit the rotation angle of the arc-shaped adjusting plate;
[0008] A sliding frame is slidably connected to the side wall of the arc-shaped adjustment plate, and a second fixing component is provided on it to lock the position of the sliding frame;
[0009] The sliding plate is slidingly connected to the side wall of the sliding frame, and a guide plate is fixed to the side wall of the sliding plate, and a guide hole is formed in the top end of the guide plate;
[0010] The limiting mechanism is used for clamping and fixing the puncture tube during the puncture process.
[0011] The linear driving mechanism drives the sliding plate to move up and down to control the puncture depth.
[0012] Preferably, the linear driving mechanism comprises:
[0013] The rack is fixed to the side wall of the sliding plate.
[0014] The gear is rotationally connected to the sliding frame and is engaged with the rack.
[0015] The knob is coaxially fixed with the gear, and a friction sleeve is arranged on the shaft surface of the knob to increase the friction resistance with the sliding frame.
[0016] The limiting screw and the plurality of limiting holes symmetrically formed in the top end of the sliding plate are matched to limit the maximum movement distance of the sliding plate.
[0017] Preferably, the limiting mechanism comprises:
[0018] The rotating shell is arranged in the guide hole, and two connecting shells are symmetrically fixed to the inner ring side wall of the rotating shell.
[0019] The gas pressure pushing assembly is connected with the linear driving mechanism, and the gas is compressed to push the sliding block when the sliding plate moves downward, so that the clamping plate clamps the puncture tube.
[0020] Preferably, the gas pressure pushing assembly comprises:
[0021] The two compression shells are in gas communication with the rotating shell, and the other end of the compression shell penetrates through the guide plate and is fixedly connected with the guide plate.
[0022] The two L-shaped compression blocks are sealingly and slidingly connected in the corresponding position in the compression shell.
[0023] The two driving plates are fixedly connected to the side wall of the L-shaped compression block, and the driving groove is formed in the side wall of the driving plate.
[0024] Preferably, the connecting shell is slidingly connected in the guide hole, an inner wall of the connecting shell is rotationally connected with an annular sealing plate, the annular sealing plate is fixedly connected in the guide hole, and the end of the compression shell is fixedly connected with the annular sealing plate after penetrating through the annular sealing plate.
[0025] Preferably, annular grooves are formed in the upper and lower ends of the annular sealing plate, two annular connecting plates that are symmetrically fixedly connected with the annular grooves are fixedly connected with the upper and lower ends of the inner wall of the connecting shell, and the annular connecting plates are slidingly connected in the annular grooves.
[0026] Preferably, annular wave grooves are formed in the outer wall of the inner ring of the connecting shell, a plurality of L-shaped fixing blocks are fixedly connected in an annular array on the inner wall of the guide hole, driving pins are fixedly connected with the top ends of the L-shaped fixing blocks, and the driving pins are slidingly connected in the annular wave grooves.
[0027] Preferably, the first fixing assembly comprises a rotating sleeve, the rotating sleeve is threadedly connected with the end surface of the rotating shaft, and a friction plate is fixedly connected with the end of the rotating sleeve.
[0028] Preferably, the second fixing assembly comprises a screw rod, the screw rod is threadedly and rotationally connected with the outer wall of the sliding frame, a positioning plate is rotationally connected with the end of the screw rod, and the positioning plate is slidingly connected with the inner side wall of the sliding frame.
[0029] Preferably, four positioning frames are further included, the four positioning frames are fixedly connected with the two side walls of the positioning frame respectively, and screws are threadedly connected with the top ends of the positioning frames.
[0030] Compared with the prior art, the present application has the following beneficial effects:
[0031] Firstly, the rotating shell and the semicircular clamping plates are arranged, in the process that the sliding plate moves downward, the two semicircular clamping plates are close to each other and clamp and position the puncture tube, the longitudinal movement of the puncture tube is limited, the stability of the puncture tube in the puncture process is ensured, after the puncture is completed, the sliding plate moves upward, and after the puncture tube is separated from the lesion position, the two semicircular clamping plates are away from each other, so that the puncture tube is conveniently taken off from the guide plate.
[0032] Secondly, the limiting bolt and the plurality of limiting holes are arranged, when the sliding plate moves downward, the limiting bolt moves downward, after the limiting bolt contacts the top end of the sliding frame, the sliding plate cannot move downward, so that the distance that the sliding plate moves downward can be flexibly adjusted according to the depth of the lesion, and it is ensured that the puncture tube can accurately penetrate into the lesion position.
[0033] Thirdly, the application sets the annular wave groove and the L-shaped fixing block, in the process of rotating the puncture pipe, the connecting shell rotates under the connection of the two semicircular clamping plates, the connecting shell moves up and down under the drive of the annular wave groove and the drive pin, so as to drive the puncture pipe to move up and down, which is beneficial to pierce the hard hematoma and avoid the puncture pipe from being blocked. BRIEF DESCRIPTION OF DRAWINGS
[0034] Figure 1 It is the overall structure diagram of the application Figure 1 ;
[0035] Figure 2 It is the enlarged view of A in the application Figure 1 ;
[0036] Figure 3 It is the overall structure diagram of the application Figure 2 ;
[0037] Figure 4 It is the connection diagram of the sliding plate and the guide plate in the application
[0038] Figure 5 It is the enlarged view of B in the application Figure 4 ;
[0039] Figure 6 It is the connection diagram of the rack and the gear in the application
[0040] Figure 7 It is the connection diagram of the guide plate and the connecting shell in the application
[0041] Figure 8 It is the connection diagram of the connecting shell and the annular sealing plate in the application
[0042] Figure 9 It is the enlarged view of C in the application Figure 8 ;
[0043] Figure 10 It is the connection diagram of the connecting shell and the annular connecting plate in the application
[0044] Figure 11 It is the connection diagram of the annular sealing plate and the compression shell in the application.
[0045] In the figure: positioning frame 1, positioning frame 2, screw 3, support frame 4, rotating shaft 5, rotating sleeve 6, friction plate 7, arc-shaped adjusting plate 8, sliding frame 9, screw rod 10, positioning plate 11, sliding plate 12, limiting hole 1201, bolt 13, guide plate 14, guide hole 15, puncture tube 16, rack 17, gear 18, knob 19, friction sleeve 20, rotating shell 21, annular connecting plate 22, annular wave groove 23, annular sealing plate 24, annular notch 25, connecting shell 26, sliding block 27, semicircular clamping plate 28, compression shell 29, L-shaped compression block 30, driving plate 31, driving groove 32, fixing pin 33, L-shaped fixing block 34, driving pin 35. DETAILED DESCRIPTION
[0046] The following description is used to disclose the present application so that those skilled in the art can implement the present application. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art.
[0047] As shown in the figure, a puncture surgery auxiliary positioning frame comprises: Figures 1 to 11
[0048] The positioning frame 1 is fixedly connected with two support frames 4 on both sides, and the support frame 4 is fixedly connected with a rotating shaft 5 inside;
[0049] The arc-shaped adjusting plate 8 is rotationally connected to the surfaces of the two rotating shafts 5 at two bottom ends respectively, and the surface of the rotating shaft 5 is provided with a first fixing assembly to limit the position of the arc-shaped adjusting plate 8;
[0050] The sliding frame 9 is slidingly connected to the side wall of the arc-shaped adjusting plate 8, and the sliding frame 9 is provided with a second fixing assembly for limiting the position of the sliding frame 9. The sliding frame 9 is slidingly connected with a sliding plate 12 on the side wall, and the sliding plate 12 is fixed with a guide plate 14 on the side wall. The guide plate 14 is provided with a guide hole 15 at the top end;
[0051] The puncture tube 16 has an injection section and a puncture section, and the bottom end of the puncture section penetrates through the guide hole 15, and the bottom end of the injection section contacts the top of the guide plate 14;
[0052] The limiting mechanism is used to limit the puncture section.
[0053] The linear driving mechanism is used to drive the sliding plate 12 to move up and down, so that the puncture tube 16 penetrates into the lesion position;
[0054] Specifically, in the prior art, during the puncture of the lesion position, the puncture tube is difficult to remain stable after being inserted into the lesion position due to the lack of limiting the puncture tube, and if the puncture tube is accidentally touched during the operation, the puncture tube is easily separated from the lesion position, thereby easily causing secondary injury to the patient. The technical solution can solve the above problems, and the specific operation is as follows:
[0055] When it is necessary to puncture the intracranial lesion position of the patient, the bottom end of the puncture tube 16 is first inserted through the guide hole 15, and then the sliding plate 12 is moved downward by the linear driving mechanism. During the movement, the puncture tube 16 is limited by the limiting mechanism in the guide hole 15, so that the puncture tube 16 moves downward synchronously with the guide plate 14.
[0056] During the downward movement of the puncture tube 16, (not punctured into the lesion position) the puncture point and the puncture angle of the puncture tube 16 are ensured by adjusting the rotation angle of the arc-shaped adjusting plate 8 and the position of the sliding frame 9 on the arc-shaped adjusting plate 8, and then the positions of the arc-shaped adjusting plate 8 and the sliding frame 9 are limited by the first fixing assembly and the second fixing assembly respectively, so as to ensure the stability of the puncture tube 16 during the puncture into the lesion position.
[0057] After the puncture is completed, the injection segment of the puncture tube 16 is connected with the syringe to aspirate the hematoma in the lesion position, and then physiological saline is repeatedly injected into the lesion position by the syringe to remove residual hematoma or toxic products after hematoma liquefaction.
[0058] Since the puncture tube 16 is positioned on the guide plate 14 by the positioning mechanism, the stability of the puncture tube 16 is ensured during the aspiration of the hematoma in the lesion position and the injection of the physiological saline, so as to avoid the separation of the puncture tube 16 from the lesion position and cause secondary injury to the patient.
[0059] As a further embodiment of the present application, the linear driving mechanism comprises:
[0060] The rack 17 is fixedly connected to the side wall of the sliding plate 12;
[0061] The gear 18 is rotatably connected in the sliding frame 9, and the gear 18 is engaged with the rack 17;
[0062] The knob 19 is coaxially fixed with the gear 18, and the knob 19 is rotatably connected to the outer wall of the sliding frame 9. The shaft surface of the knob 19 is fixedly connected with the friction sleeve 20, and the friction sleeve 20 is in contact with the side wall of the sliding frame 9.
[0063] A plurality of limiting holes 1201 are symmetrically formed in the top end side wall of the sliding plate 12;
[0064] The limiting bolt 13 is threadedly connected in one of the limiting holes 1201;
[0065] Specifically, by arranging the rack 17 and the gear 18, in the puncture process, the gear 18 is rotated by rotating the knob 19, and the rack 17 moves downward under the meshing action, and since the rack 17 is fixedly connected with the sliding plate 12, the rack 17 will drive the sliding plate 12 to move downward synchronously.
[0066] By arranging the limiting bolt 13 and the plurality of limiting holes 1201, the downward movement of the sliding plate 12 drives the downward movement of the limiting bolt 13, and when the limiting bolt 13 comes into contact with the top end of the sliding frame 9, the sliding plate 12 cannot move downward, thereby facilitating the flexible adjustment of the distance of the downward movement of the sliding plate 12 according to the lesion depth, and ensuring that the puncture tube 16 can accurately penetrate into the lesion position.
[0067] Moreover, the embodiment is also provided with the friction sleeve 20, which increases the friction between the knob shaft and the sliding frame 9, thereby improving the stability of the position of the sliding plate 12, and avoiding the movement of the sliding plate 12 in the operation process, which causes the position of the puncture tube 16 to deviate.
[0068] As a further embodiment of the present application, the limiting mechanism comprises:
[0069] The rotating shell 21 is arranged in the guide hole 15, and the inner ring sidewall of the rotating shell 21 is fixedly connected with two connecting shells 26 in a symmetrical manner, and the two connecting shells 26 are sealingly and slidably connected with two sliding blocks 27, and the end portions of the two sliding blocks 27 are fixedly connected with two semicircular clamping plates 28.
[0070] The air pressure pushing assembly cooperates with the linear driving mechanism, and in the process of the downward movement of the sliding plate 12, the air pressure pushing assembly pushes the sliding blocks 27, so that the two semicircular clamping plates 28 are close to each other to clamp the puncture section, and in the process of the upward movement of the sliding plate 12, the two semicircular clamping plates 28 are away from each other.
[0071] The air pressure pushing assembly comprises:
[0072] The two compression shells 29 are in air communication with the rotating shell 21, and the other end of the compression shell 29 penetrates through the guide plate 14 and is fixedly connected with the guide plate 14.
[0073] The two L-shaped compression blocks 30 are sealingly and slidably connected in the corresponding positions in the compression shells 29.
[0074] Two drive plates 31 are fixedly connected to the side wall of the L-shaped compression block 30. The side wall of the drive plate 31 is provided with a drive groove 32. The outer wall of the sliding frame 9 is fixedly connected with a fixing pin 33 corresponding to the position of the drive groove 32. The fixing pin 33 is slidably connected in the drive groove 32. The drive groove 32 includes an inclined groove and a straight groove. During the downward movement of the sliding plate 12, the L-shaped compression block 30 is slidably extended into the compression shell 29 by the traction of the inclined groove.
[0075] Specifically, by setting a rotating shell 21 and a semi-circular clamping plate 28, as the sliding plate 12 moves downward, the driving plate 31 moves downward, causing the inclined groove to move downward and generate relative movement with the fixing pin 33. Driven by the inclined groove, the driving plate 31 drives the L-shaped compression block 30 to move. The moving L-shaped compression block 30 slides into the compression shell 29, increasing the air pressure inside the compression shell 29. This causes the sliding block 27 to extend out from the connecting shell 26, bringing the two semi-circular clamping plates 28 closer together and clamping and positioning the puncture tube 16, thus restricting the longitudinal movement of the puncture tube 16.
[0076] After the semi-circular clamping plate 28 clamps and positions the puncture tube 16, the straight groove and the fixing pin 33 move relative to each other. Under the limit of the straight groove, the air pressure inside the compression shell 29 is kept stable, thereby ensuring the stability of the two semi-circular clamping plates 28 clamping the puncture tube 16.
[0077] After the puncture is completed, the sliding plate 12 moves upward, causing the straight groove to move upward relative to the fixing pin 33, ensuring the stability of the puncture tube 16 when it is removed from the lesion. After the puncture tube 16 is removed from the lesion, the inclined groove moves along the fixing pin 33, causing the drive plate 31 to drive the L-shaped compression block 30 to extend out of the compression shell 29. Under the above principle, the two semi-circular clamping plates 28 are moved away from each other, making it easier to remove the puncture tube 16 from the guide plate 14.
[0078] As a further embodiment of the present invention, the connecting shell 26 is slidably connected in the guide hole 15, and the inner wall of the connecting shell 26 is rotatably connected to the annular sealing plate 24. The annular sealing plate 24 is fixedly connected in the guide hole 15, and the end of the compression shell 29 passes through the annular sealing plate 24 and is fixedly connected to the annular sealing plate 24.
[0079] The inner ring of the connecting shell 26 has an annular wave groove 23 with the ends connected. Several L-shaped fixing blocks 34 are fixedly connected in an annular array on the inner wall of the guide hole 15. A driving pin 35 is fixedly connected to the top of the L-shaped fixing block 34. The driving pin 35 is slidably connected in the annular wave groove 23.
[0080] Specifically, by setting the annular wave groove 23 and the L-shaped fixing block 34, since some hematomas are quite hard, it is often necessary to rotate the puncture tube 16 when cleaning the hematoma. During the rotation of the puncture tube 16, under the connection of the two semi-circular clamping plates 28, the connecting shell 26 rotates, causing the driving pin 35 to slide along the annular wave groove 23. Driven by the annular wave groove 23, the connecting shell 26 moves up and down, thereby driving the puncture tube 16 to move up and down, which is conducive to puncturing the hard hematoma and avoiding blockage of the puncture tube 16.
[0081] It should be noted that the height difference between the crest and trough of the annular wave groove 23 is less than 3mm to avoid excessive movement of the puncture tube 16 and causing secondary injury to the patient.
[0082] As a further embodiment of the present invention, the first fixing component includes a rotating sleeve 6, which is threadedly connected to the end surface of the rotating shaft 5, and a friction plate 7 is fixed to the end of the rotating sleeve 6.
[0083] Specifically, by driving the rotating sleeve 6 to rotate, under the action of the threaded connection, the rotating sleeve 6 causes the friction plate 7 to move closer to the bottom of the arc-shaped adjusting plate 8. Through the frictional resistance of the friction plate 7, the arc-shaped adjusting plate 8 is limited.
[0084] As a further embodiment of the present invention, the second fixing component includes a screw 10, which is threadedly rotatably connected to the outer wall of the sliding frame 9, and a positioning plate 11 is rotatably connected to the end of the screw 10, which is slidably connected to the inner wall of the sliding frame 9.
[0085] Specifically, by setting up a screw 10 and a positioning plate 11, by rotating the screw 10, under the action of the threaded connection, the screw 10 drives the positioning plate 11 to approach and press against the side wall of the arc-shaped adjustment plate 8, thereby limiting the sliding frame 9.
[0086] The working principle of this invention is as follows:
[0087] When it is necessary to puncture the intracranial lesion site of the patient, the bottom end of the puncture tube 16 is first passed through the guide hole 15. Then, the sliding plate 12 is moved downward by the linear drive mechanism. During the movement, the puncture tube 16 is limited by the limiting mechanism in the guide hole 15, so that the puncture tube 16 and the guide plate 14 move downward synchronously.
[0088] During the downward movement of the puncture tube 16 (before puncturing into the lesion), the rotation angle of the arc-shaped adjustment plate 8 and the position of the sliding frame 9 on the arc-shaped adjustment plate 8 are adjusted to ensure the puncture point and puncture angle of the puncture tube 16. Then, the first fixing component and the second fixing component respectively restrict the position of the arc-shaped adjustment plate 8 and the position of the sliding frame 9 to ensure the stability of the puncture tube 16 during the puncture into the lesion.
[0089] After the puncture is completed, the syringe is connected to the injection section of the puncture tube 16 to aspirate the hematoma at the lesion site. Then, physiological saline is repeatedly injected into the lesion site through the syringe to remove the residual hematoma, i.e. the toxic products after the hematoma liquefaction.
[0090] Since the puncture tube 16 is positioned on the guide plate 14 by the positioning mechanism, it helps to ensure the stability of the puncture tube 16 during hematoma aspiration and saline injection at the lesion site, and avoids the puncture tube 16 from detaching from the lesion site, thus preventing secondary injury to the patient.
[0091] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.
Claims
1. A puncture surgery auxiliary positioning frame, comprising a positioning frame (1), two support frames (4) are fixedly connected to the two sides of the positioning frame (1), a rotating shaft (5) is arranged in the support frame (4), and an arc-shaped adjusting plate (8) is rotatably connected to the surface of the rotating shaft (5), characterized in that: a first fixing assembly is arranged on the rotating shaft (5) to limit the rotating angle of the arc-shaped adjusting plate (8); a sliding frame (9) is slidingly connected to the side wall of the arc-shaped adjusting plate (8), and a second fixing assembly is arranged on the sliding frame (9) to lock the position of the sliding frame (9); a sliding plate (12) is slidingly connected to the side wall of the sliding frame (9), a guide plate (14) is fixed to the side wall of the sliding plate (12), and a guide hole (15) is formed in the top end of the guide plate (14); a limiting mechanism is arranged to clamp and fix a puncture tube (16) during the puncture process; a linear driving mechanism is arranged to drive the sliding plate (12) to move up and down to control the puncture depth of the puncture tube (16); the limiting mechanism comprises: a rotating shell (21) arranged in the guide hole (15), two connecting shells (26) symmetrically and fixedly connected to the inner ring side wall of the rotating shell (21), two sliding blocks (27) sealingly sliding in the connecting shells (26), and half-circular clamping plates (28) fixedly connected to the end portions of the sliding blocks (27); and a gas pressure pushing assembly is connected with the linear driving mechanism, and when the sliding plate (12) moves downward, the gas pressure pushing assembly compresses the gas to push the sliding blocks (27) and make the clamping plates (28) clamp the puncture tube (16); the gas pressure pushing assembly comprises: two compression shells (29) in gas connection with the rotating shell (21), the other ends of the compression shells (29) penetrating through the guide plate (14) and being fixedly connected with the guide plate (14); two L-shaped compression blocks (30) sealingly and slidingly connected in the corresponding positions in the compression shells (29); and two driving plates (31) fixedly connected to the side walls of the L-shaped compression blocks (30), the side walls of the driving plates (31) being provided with driving grooves (32) matched with fixed pins (33) on the sliding frame (9), and the track switching of the inclined grooves and straight grooves on the driving grooves (32) being used to control the change of the gas pressure in the compression shells (29). The linear driving mechanism comprises: a rack (17) fixed to the side wall of the sliding plate (12); a gear (18) rotatably connected in the sliding frame (9) and meshing with the rack (17); a knob (19) coaxially fixed with the gear (18), a friction sleeve (20) fixedly connected to the shaft surface of the knob (19), the friction sleeve (20) being in contact with the side wall of the sliding frame (9) to increase the friction resistance between the knob (19) and the sliding frame (9); and a limiting bolt (13) and a plurality of limiting holes (1201) symmetrically formed in the top end of the sliding plate (12), the limiting bolt (13) and the limiting holes (1201) being used to limit the maximum moving distance of the sliding plate (12). 2. The puncture procedure auxiliary positioning frame according to claim 1, characterized in that, 3. The puncture procedure auxiliary positioning frame according to claim 2, characterized in that, The connecting shell (26) is slidingly connected in the guide hole (15), an inner wall of the connecting shell (26) is rotationally connected with an annular sealing plate (24), the annular sealing plate (24) is fixedly connected in the guide hole (15), and an end of the compression shell (29) is fixedly connected with the annular sealing plate (24) after penetrating through the annular sealing plate (24).
4. The puncture procedure auxiliary positioning frame according to claim 3, characterized in that, Annular grooves (25) are formed in the upper and lower ends of the annular sealing plate (24), two annular connecting plates (22) that are symmetrically fixedly connected on the inner wall of the connecting shell (26) and that are matched with the annular grooves (25) are arranged, and the annular connecting plates (22) are slidingly connected in the annular grooves (25).
5. The puncture procedure auxiliary positioning frame according to claim 4, characterized in that, Annular wave grooves (23) are formed in the outer wall of the inner ring of the connecting shell (26), a plurality of L-shaped fixed blocks (34) are fixedly connected in an annular array on the inner wall of the guide hole (15), driving pins (35) are fixedly connected to the top ends of the L-shaped fixed blocks (34), and the driving pins (35) are slidingly connected in the annular wave grooves (23).
6. A puncture procedure aid positioning frame according to claim 5, wherein, The first fixing assembly comprises a rotating sleeve (6), the rotating sleeve (6) is threadedly connected to the end surface of the rotating shaft (5), and the end of the rotating sleeve (6) is fixedly connected with a friction plate (7).
7. The puncture procedure auxiliary positioning frame according to claim 1, wherein, The second fixing assembly comprises a screw rod (10), the screw rod (10) is threadedly and rotationally connected to the outer wall of the sliding frame (9), the end of the screw rod (10) is rotationally connected with a positioning plate (11), and the positioning plate (11) is slidingly connected to the inner side wall of the sliding frame (9).
8. The puncture procedure auxiliary positioning frame according to claim 1, wherein, The four positioning frames (2) are fixedly connected to the two side walls of the positioning frame (1), respectively, and the top end of each positioning frame (2) is threadedly connected with a screw (3).
Citation Information
Patent Citations
A Device for Implanting Intracranial Electrodes in an Arc Trajectory
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Functional module positioning support assembly based on double snakelike locking arms
CN220293641U
System And Technique For Accessing Extra Articular Lesions Or Abnormalities Or Intra Osseous Lesions Or Bone Marrow Lesions
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