Cerebrovascular intervention puncture positioning device

Abstract

The invention provides a cerebrovascular intervention puncture positioning device, and relates to the technical field of cerebrovascular intervention equipment. Comprising a base, and a positioning frame and a limiting mechanism are arranged on the base; a horizontal arc-shaped groove is formed in the base, a horizontal sliding block is connected into the horizontal arc-shaped groove in a sliding mode, and the positioning frame is arranged on the horizontal sliding block. A first inner rack and a second inner rack are arranged on the two sides of the inner side of the horizontal arc-shaped groove respectively, the tooth pitch of the first inner rack is larger than that of the second inner rack, first rotating teeth and second rotating teeth which are meshed with the first inner rack and the second inner rack are arranged on the two sides of the horizontal sliding block respectively, and driving mechanisms are arranged on the two sides of the horizontal sliding block respectively. A positioning assembly is arranged on the positioning frame; compared with the prior art, the device is convenient to use and adjust, accurate in positioning and capable of effectively avoiding blocking the surgical field.

Description

Technical Field

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

[0002] Cerebrovascular disease is a common disease among the elderly. With the extension of life expectancy and the acceleration of population aging in my country, the incidence and prevalence of cerebrovascular disease have been increasing year by year. Intravascular intervention technology is a newly developed method for the prevention and treatment of cerebrovascular disease, which has certain advantages over traditional cerebrovascular disease treatment methods.

[0003] At present, when performing puncture treatment on patients with cardiovascular and cerebrovascular diseases, a puncture needle is generally used to directly pierce the blood vessel, and then a catheter is inserted into the blood vessel for treatment. However, the existing puncture devices have poor positioning effects before and after puncture, and often require adjustment of the positions of various components. The puncture position is inconvenient to adjust; at the same time, it is easy to block the surgical field.

[0004] Therefore, there is an urgent need for a cerebrovascular interventional puncture positioning device to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a cerebrovascular interventional puncture positioning device, which is easy to use, easy to adjust and accurately positioned, and can effectively avoid obstruction of the surgical field.

[0006] The embodiment of the present invention is achieved as follows:

[0007] An embodiment of the present application provides a cerebrovascular interventional puncture positioning device, which includes a base, on which a positioning frame and a limiting mechanism are arranged; a horizontal arc groove is arranged on the base, in which a horizontal slider is slidably connected, and the positioning frame is arranged on the horizontal slider; a first inner rack and a second inner rack are arranged on both sides of the inner side of the horizontal arc groove, respectively, the tooth pitch of the first inner rack is greater than the tooth pitch of the second inner rack, and first and second rotating teeth meshing with the first and second inner racks are arranged on both sides of the horizontal slider, and driving mechanisms are respectively arranged; a positioning component is arranged on the positioning frame.

[0008] In some embodiments of the present invention, the above-mentioned positioning frame includes a support column and an arc frame, the bottom of the support column is fixedly connected to the horizontal slider, a limiting frame is arranged on the top of the support column, a first arc-shaped slide groove is arranged on both sides of the arc frame, a groove is arranged on the limiting frame, a fixed limiting block is arranged on one side of the groove, and a first locking bolt is arranged on the other side of the groove; the positioning assembly is arranged on the inner side of the arc frame.

[0009] In some embodiments of the present invention, a second arc-shaped slide groove is provided on the inner side of the above-mentioned arc-shaped frame, a positioning slider is slidably connected to the second arc-shaped slide groove, a third inner rack is provided at the bottom of the second arc-shaped slide groove, a third rotating tooth meshing with the third inner rack is provided on the positioning slider, and the third rotating tooth is provided with a driving mechanism.

[0010] In some embodiments of the present invention, the positioning assembly includes a telescopic rod and a positioning clamp, one end of the telescopic rod is fixedly connected to the positioning slider, and the positioning clamp is arranged at the other end of the telescopic rod.

[0011] In some embodiments of the present invention, the telescopic rod includes an outer tube and an inner tube, and one end of the outer tube and the inner tube are socketed; a driving motor is arranged in the outer tube, and a driving screw is arranged on the output shaft of the driving motor; a thread is arranged on the inner side of the inner tube and is threadedly connected with the driving screw; a limiting groove is arranged on the inner side of the outer tube, and a limiting protrusion adapted to the limiting groove is arranged on the outer side of the inner tube.

[0012] In some embodiments of the present invention, the above-mentioned limiting mechanism includes a sliding base plate, a limiting frame is arranged on the sliding base plate, and two limiting pads are arranged on the limiting frame; a sliding groove is arranged on the base, and a sliding slider is arranged at the bottom of the sliding base plate and is slidably connected to the sliding groove; a second locking bolt is arranged at the bottom of the sliding base plate.

[0013] In some embodiments of the present invention, two horizontal slide grooves are symmetrically arranged on the above-mentioned limiting frame, and sliding blocks are arranged on the horizontal slide grooves; and the limiting pads are arranged on the sliding blocks.

[0014] Compared with the prior art, the embodiments of the present invention have at least the following advantages or beneficial effects:

[0015] The existing puncture devices have poor limiting and positioning effects before and after puncture, and often need to adjust the positions of various components. The puncture position is inconvenient to adjust and easily blocks the surgical field. The present invention provides a cerebrovascular interventional puncture positioning device, which includes a base, on which a positioning frame and a limiting mechanism are arranged; a horizontal arc groove is arranged on the base, and a horizontal slider is slidably connected in the horizontal arc groove, and the positioning frame is arranged on the horizontal slider; a first inner rack and a second inner rack are arranged on both sides of the inner side of the horizontal arc groove, respectively, and the tooth pitch of the first inner rack is greater than the tooth pitch of the second inner rack, and first rotating teeth and second rotating teeth meshing with the first inner rack and the second inner rack are arranged on both sides of the horizontal slider, and driving mechanisms are respectively arranged; a positioning component is arranged on the positioning frame.

[0016] The present invention provides a horizontal arc groove so that the positioning frame can be moved by a horizontal slider provided on the horizontal arc groove, thereby adjusting its position relative to the patient to be punctured, which not only meets the needs of various positions of surgery and adapts to patients of various sizes to be punctured, but also can effectively avoid blocking the surgical field of medical staff through adjustment, so that the surgery can be carried out more conveniently. At the same time, the first inner rack and the second inner rack are respectively provided on both sides of the inner side of the horizontal arc groove, so that medical staff can realize the rough movement and fine movement of the horizontal slider through the first inner rack and the second inner rack with different tooth pitches, while meeting the requirements of quick and precise adjustment of the positioning frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 is a cross-sectional view of a base according to an embodiment of the present invention;

[0019] Figure 2 for Figure 1 A magnified view of point A;

[0020] Figure 3 It is a partial cross-sectional view of a telescopic rod according to an embodiment of the present invention;

[0021] Figure 4 1 is a top view of a horizontal arc groove according to an embodiment of the present invention.

[0022] Icons: 1. Base; 2. Horizontal arc groove; 3. Horizontal slider; 4. First inner rack; 5. Second inner rack; 6. First rotating tooth; 7. Second rotating tooth; 8. Support column; 9. Arc frame; 10. First arc slide groove; 11. First locking bolt; 12. Positioning slider; 13. Telescopic rod; 14. Positioning clamp; 15. Outer tube; 16. Inner tube; 17. Driving motor; 18. Driving screw; 19. Limiting groove; 20. Limiting protrusion; 21. Sliding groove; 22. Sliding slider; 23. Sliding base plate; 24. Sliding block; 25. Limiting pad. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. 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.

[0025] Example:

[0026] Please refer to Figure 1-4 The present embodiment provides a cerebrovascular interventional puncture positioning device, which includes a base 1, on which a positioning frame and a limiting mechanism are arranged; a horizontal arc groove 2 is arranged on the base 1, in which a horizontal slider 3 is slidably connected, and the positioning frame is arranged on the horizontal slider 3; a first inner rack 4 and a second inner rack 5 are respectively arranged on both sides of the inner side of the horizontal arc groove 2, the tooth pitch of the first inner rack 4 is greater than the tooth pitch of the second inner rack 5, and a first rotating tooth 6 and a second rotating tooth 7 meshing with the first inner rack 4 and the second inner rack 5 are respectively arranged on both sides of the horizontal slider 3, and a driving mechanism is respectively arranged; a positioning component is arranged on the positioning frame.

[0027] The existing puncture devices have poor positioning effect before and after puncture, and often need to adjust the positions of various components. The puncture position is inconvenient to adjust and easily blocks the surgical field. The present invention sets a horizontal arc groove 2 so that the positioning frame can be moved by a horizontal slider 3 set on the horizontal arc groove 2, thereby adjusting its position relative to the patient to be punctured. It not only meets the needs of various positions of surgery and adapts to patients of various sizes to be punctured, but also can effectively avoid blocking the surgical field of medical staff through adjustment, so that the operation can be carried out more conveniently. At the same time, the first inner rack 4 and the second inner rack 5 are respectively set on both sides of the inner side of the horizontal arc groove 2, so that medical staff can realize the rough movement and fine movement of the horizontal slider 3 through the first inner rack 4 and the second inner rack 5 with different tooth pitches, while meeting the quick and precise adjustment of the positioning frame. It can be understood that the driving mechanism can be set up with a micro motor or a common manual rotation structure.

[0028] In some embodiments of the present invention, the positioning frame includes a support column 8 and an arc frame 9, the bottom of the support column 8 is fixedly connected to the horizontal slider 3, the top of the support column 8 is provided with a limit frame, the two sides of the arc frame 9 are provided with a first arc-shaped slide groove 10, the limit frame is provided with a groove, one side of the groove is provided with a fixed limit block, and the other side of the groove is provided with a first locking bolt 11; the positioning assembly is provided on the inner side of the arc frame 9. Through the groove provided on the limit frame, the position of the arc frame 9 can be adjusted, so that the structural adjustment of the device is more flexible, and the provision of the first locking bolt 11 can avoid unnecessary sliding.

[0029] In some embodiments of the present invention, a second arc-shaped slide groove is provided on the inner side of the arc-shaped frame 9, a positioning slider 12 is slidably connected to the second arc-shaped slide groove, a third inner rack is provided at the bottom of the second arc-shaped slide groove, a third rotating tooth meshing with the third inner rack is provided on the positioning slider 12, and the third rotating tooth is provided with a driving mechanism. The positioning assembly includes a telescopic rod 13 and a positioning clamp 14, one end of the telescopic rod 13 is fixedly connected to the positioning slider 12, and the positioning clamp 14 is provided at the other end of the telescopic rod 13. The positioning slider 12 cooperates with the arrangement of the telescopic rod 13 to make the device as a whole more flexible, so that the device can meet the positioning requirements of the puncture needles in various parts of the patient in a sufficiently small volume, and further reduce the volume of the device to avoid obstruction of the surgical field. It can be understood that the positioning clamp 14 can select a common clamping structure to achieve the positioning of the puncture needle.

[0030] In some embodiments of the present invention, the telescopic rod 13 includes an outer tube 15 and an inner tube 16, one end of the outer tube 15 and the inner tube 16 are sleeved; a driving motor 17 is arranged in the outer tube 15, and a driving screw 18 is arranged on the output shaft of the driving motor 17; a thread is arranged on the inner side of the inner tube 16 and is threadedly connected with the driving screw 18; a limiting groove 19 is arranged on the inner side of the outer tube 15, and a limiting protrusion 20 adapted to the limiting groove 19 is arranged on the outer side of the inner tube 16. The telescopic rod 13 can be extended and retracted by rotating the driving screw 18, while satisfying the requirements of fine adjustment and stable support strength of the telescopic rod 13.

[0031] In some embodiments of the present invention, the limiting mechanism includes a sliding base plate 23, a limiting frame is arranged on the sliding base plate 23, and two limiting pads 25 are arranged on the limiting frame; a sliding groove 21 is arranged on the base 1, and a sliding slider 22 is arranged at the bottom of the sliding base plate 23 and is slidably connected to the sliding groove 21; a second locking bolt is arranged at the bottom of the sliding base plate 23. Two horizontal slide grooves are symmetrically arranged on the limiting frame, and a sliding block 24 is arranged on the horizontal slide groove; the limiting pad 25 is arranged on the sliding block 24. The setting of the sliding base plate 23 and the sliding block 24 can be adjusted to adapt to patients of various body shapes, and the positioning structure of the matching device is more adaptable. It can be understood that a damping structure is arranged on the sliding base plate 23 to avoid unnecessary sliding; the limiting pad 25 clamps and limits the two sides of the patient's puncture site.

[0032] In summary, the embodiment of the present invention provides a cerebrovascular interventional puncture positioning device, which includes a base 1, and a positioning frame and a limiting mechanism are arranged on the base 1; a horizontal arc groove 2 is arranged on the base 1, and a horizontal slider 3 is slidably connected in the horizontal arc groove 2, and the positioning frame is arranged on the horizontal slider 3; the first inner rack 4 and the second inner rack 5 are arranged on both sides of the inner side of the horizontal arc groove 2, respectively, and the pitch of the first inner rack 4 is greater than the pitch of the second inner rack 5, and the first rotating teeth 6 and the second rotating teeth 7 meshing with the first inner rack 4 and the second inner rack 5 are arranged on both sides of the horizontal slider 3, respectively, and a driving mechanism is arranged respectively; a positioning assembly is arranged on the positioning frame. The present invention arranges the horizontal arc groove 2 so that the positioning frame can be moved by the horizontal slider 3 arranged on the horizontal arc groove 2, so as to adjust its position relative to the patient to be punctured, which not only meets the needs of various positions of surgery to adapt to patients of various sizes to be punctured, but also can effectively avoid its blocking of the surgical field of medical staff through adjustment, so that the operation can be carried out more conveniently. At the same time, a first inner rack 4 and a second inner rack 5 are respectively provided on both sides of the inner side of the horizontal arc groove 2, so that medical staff can realize rough and fine movement of the horizontal slider 3 through the first inner rack 4 and the second inner rack 5 with different tooth pitches, while satisfying the quick and precise adjustment of the positioning frame.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cerebrovascular interventional puncture positioning device, characterized in that: It includes a base, on which a positioning frame and a limiting mechanism are arranged; a horizontal arc groove is arranged on the base, in which a horizontal slider is slidably connected, and the positioning frame is arranged on the horizontal slider; a first inner rack and a second inner rack are arranged on both sides of the inner side of the horizontal arc groove, the tooth pitch of the first inner rack is greater than the tooth pitch of the second inner rack, and first rotating teeth and second rotating teeth meshing with the first inner rack and the second inner rack are arranged on both sides of the horizontal slider, and driving mechanisms are respectively arranged; a positioning assembly is arranged on the positioning frame.

2. The cerebrovascular interventional puncture positioning device according to claim 1, characterized in that: The positioning frame includes a support column and an arc frame, the bottom of the support column is fixedly connected to the horizontal sliding block, the top of the support column is provided with a limiting frame, the two sides of the arc frame are provided with a first arc-shaped sliding groove, the limiting frame is provided with a groove, one side of the groove is provided with a fixed limiting block, and the other side of the groove is provided with a first locking bolt; the positioning assembly is arranged on the inner side of the arc frame.

3. The cerebrovascular interventional puncture positioning device according to claim 2, characterized in that: A second arc-shaped slide groove is arranged on the inner side of the arc-shaped frame, a positioning slider is slidably connected to the second arc-shaped slide groove, a third inner rack is arranged at the bottom of the second arc-shaped slide groove, a third rotating tooth meshing with the third inner rack is arranged on the positioning slider, and the third rotating tooth is provided with a driving mechanism.

4. The cerebrovascular interventional puncture positioning device according to claim 3, characterized in that: The positioning assembly comprises a telescopic rod and a positioning clamp, one end of the telescopic rod is fixedly connected to the positioning slider, and the positioning clamp is arranged at the other end of the telescopic rod.

5. The cerebrovascular interventional puncture positioning device according to claim 4, characterized in that: The telescopic rod includes an outer tube and an inner tube, and one end of the outer tube is sleeved with the inner tube; a driving motor is arranged in the outer tube, and a driving screw is arranged on the output shaft of the driving motor; a thread is arranged on the inner side of the inner tube and is threadedly connected with the driving screw; a limiting groove is arranged on the inner side of the outer tube, and a limiting protrusion adapted to the limiting groove is arranged on the outer side of the inner tube.

6. The cerebrovascular interventional puncture positioning device according to claim 1, characterized in that: The limiting mechanism includes a sliding base plate, a limiting frame is arranged on the sliding base plate, and two limiting pads are arranged on the limiting frame; a sliding groove is arranged on the base, and a sliding slider is arranged at the bottom of the sliding base plate and is slidably connected to the sliding groove; a second locking bolt is arranged at the bottom of the sliding base plate.

7. The cerebrovascular interventional puncture positioning device according to claim 6, characterized in that: Two horizontal slide grooves are symmetrically arranged on the limiting frame, and a sliding block is arranged on the horizontal slide groove; and the limiting pad is arranged on the sliding block.

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