A cerebrovascular interventional puncture positioning device

Abstract

The present invention discloses a cerebrovascular intervention puncture positioning device, belonging to the technical field of medical devices. It includes a sleeve plate, which is sleeved on the patient's head through a positioning mechanism. An annular sliding seat is arranged on the upper surface of the sleeve plate, and an arc-shaped sliding seat is arranged on the annular sliding seat. The arc-shaped sliding seat can rotate circumferentially around the center of the annular sliding seat, and a sliding sleeve is arranged on the arc-shaped sliding seat. When determining the puncture site on the patient's head in the present invention, it is only necessary to adjust the position of the arc-shaped sliding seat relative to the annular sliding seat and the position of the sliding sleeve relative to the arc-shaped sliding seat, so that the direction of the guiding mechanism on the sliding sleeve is aligned with the puncture site, and then fix the arc-shaped sliding seat and the sliding sleeve with fixing bolts. In addition, by setting the guiding mechanism, during puncture, first, loosen the limit bolt so that the moving seat can move along the guiding column. The user can manually push the moving seat to drive the puncture piece to move, which can play a role in guiding the puncture piece.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and more specifically, to a cerebrovascular intervention puncture positioning device. Background Art

[0002] Cerebrovascular intervention therapy is an advanced method for diagnosing and treating cerebrovascular diseases. It is an operative technique for diagnosis and treatment through a vascular approach using instruments such as puncture needles, guide wires, and catheters under the guidance of medical imaging equipment. Cerebrovascular intervention therapy mainly includes several interventional surgical methods such as transcatheter embolization, percutaneous transluminal angioplasty, percutaneous balloon valvuloplasty for cardiac valve stenosis, transcatheter infusion drug therapy, percutaneous thrombus extraction, and percutaneous removal of intravascular foreign bodies. This method can effectively solve diseases such as vascular hemorrhage, hemangioma, arterial occlusion, pulmonary valve stenosis, aortic stenosis, gastrointestinal hemorrhage, primary liver cancer, and primary lung cancer.

[0003] In cerebrovascular intervention therapy, doctors usually first use contrast agents to clarify the location, nature, scope, and degree of the lesion. Then, they use instruments such as catheters to directly deliver relevant drugs or tools to the lesion site for treatment to achieve the therapeutic purpose. Currently, traditional cerebrovascular punctures are all directly performed manually, and the puncture angle, orientation, etc. are all judged manually, which leads to easy mistakes in puncture. For this reason, a cerebrovascular intervention puncture positioning device is proposed. Summary of the Invention

[0004] Aiming at the situation in the prior art that cerebrovascular punctures are all directly performed manually, and the puncture angle, orientation, etc. are all judged manually, which leads to easy mistakes in puncture, the purpose of the present invention is to provide a cerebrovascular intervention puncture positioning device.

[0005] To solve the above problems, the present invention adopts the following technical solutions.

[0006] A cerebrovascular intervention puncture positioning device includes a sleeve plate, the sleeve plate is sleeved on the patient's head through a positioning mechanism, a circular sliding seat is arranged on the upper surface of the sleeve plate, an arc-shaped sliding seat is arranged on the circular sliding seat, the arc-shaped sliding seat can rotate circumferentially around the center of the circular sliding seat, and a sliding sleeve is arranged on the arc-shaped sliding seat, the sliding sleeve can move along the surface of the arc-shaped sliding seat, and a guiding mechanism is arranged radially along the arc-shaped sliding seat on the surface of the sliding sleeve;

[0007] The guiding mechanism includes a guiding column, a puncturing member, a moving seat and a limiting bolt. The guiding column is fixedly connected to the sliding sleeve and arranged radially along the arc-shaped sliding seat. The moving seat is sleeved on the surface of the guiding column and forms a moving pair therewith. The puncturing member is arranged on one side of the moving seat, and the puncturing direction of the puncturing member is parallel to the guiding column. The limiting bolt is inserted on the surface of the moving seat, and one end of the limiting bolt abuts against the surface of the guiding column. An auxiliary puncturing mechanism is arranged at one end of the guiding column, and an auxiliary needle withdrawing mechanism is arranged at the other end of the guiding column.

[0008] Optionally, the auxiliary puncturing mechanism includes an electromagnet fixedly installed at the end of the guiding column away from the sliding sleeve. A magnetic block is fixedly connected to the surface of the moving seat. When the electromagnet is energized, the electromagnet and the magnetic block repel each other.

[0009] Optionally, the auxiliary puncturing mechanism further includes a first conductive sheet and a second conductive sheet. The contact of the first conductive sheet and the second conductive sheet can energize the electromagnet. A fixing plate is fixedly connected to the surface of the guiding column. A T-shaped rod is inserted on the fixing plate. The first conductive sheet is fixedly installed at one end of the T-shaped rod. The second conductive sheet is fixedly installed on the surface of the fixing plate, and the first conductive sheet and the second conductive sheet are aligned. One end of the T-shaped rod penetrates through the fixing plate, and a first spring is sleeved on the surface of the T-shaped rod. A top block is fixedly connected to the surface of the magnetic block. The top block can push the T-shaped rod to separate the first conductive sheet from the second conductive sheet. A cover body is fixedly connected to the surface of the fixing plate. The first conductive sheet, the second conductive sheet and a part of the T-shaped rod are located inside the cover body.

[0010] Optionally, the auxiliary needle withdrawing mechanism includes a sliding plate and a rotating plate sleeved on the surface of the guiding column, and the rotating plate and the sliding plate are rotatably connected through a bearing. A second spring is sleeved on the surface of the guiding column. One end of the second spring is fixedly connected to the sliding plate, and the other end of the second spring is fixedly connected to the sliding sleeve. An arc-shaped plate is fixedly connected to one side of the sliding plate. A vertical plate is fixedly connected to the surface of the sliding sleeve. An arc-shaped groove adapted to the arc-shaped plate is formed on the surface of the vertical plate. The arc-shaped plate can move into or out of the arc-shaped groove. When the arc-shaped plate is located inside the arc-shaped groove, the second spring is in a compressed state. A fourth conductive sheet is fixedly connected to the surface of the arc-shaped plate. A third conductive sheet is fixedly connected inside the arc-shaped groove. When the arc-shaped plate moves out of the arc-shaped groove, the fourth conductive sheet and the third conductive sheet are separated to cut off the power supply of the electromagnet.

[0011] Optionally, a rotating ring is connected to the side of the moving seat opposite to the rotating plate through a bearing. An L-shaped plate is fixedly connected to the surface of the rotating ring. A limiting groove is formed on the surface of the rotating plate. The L-shaped plate can be inserted into the limiting groove and rotatably cooperate with it, and a convex block is arranged on the inner surface of the limiting groove. The convex block can form a moving interference on the L-shaped plate.

[0012] Optionally, a threaded groove is formed on the surface of the movable seat, an external thread is provided on the surface of the barrel of the puncturing member, and the puncturing member is detachably installed inside the threaded groove.

[0013] Optionally, a connecting plate is fixedly connected to the surface of the sliding sleeve, an installation groove is formed on the surface of the connecting plate, a fixing cylinder is threadedly installed inside the installation groove, a jack is formed on the surface of the fixing cylinder, and the needle body of the puncturing member passes through the jack.

[0014] Optionally, the positioning mechanism includes a plurality of positioning bolts inserted on the surface of the sleeve plate. There are at least three groups of the positioning bolts, and the three groups of positioning bolts are annularly arranged around the center of the sleeve plate. One ends of the positioning bolts located inside the sleeve plate are fixedly connected with positioning plates.

[0015] Optionally, the positioning mechanism further includes a plurality of air bags fixedly installed on the inner surface of the sleeve plate. The air bags are communicated through a connecting pipe, and a connecting head is arranged at the air inlet port of the connecting pipe.

[0016] Optionally, fixing bolts are inserted into the moving surfaces of the arc-shaped sliding seat and the sliding sleeve, and one end of the fixing bolt abuts against the annular sliding seat or the arc-shaped sliding seat.

[0017] The technical solution provided by the present invention has at least the following beneficial effects compared with the prior art:

[0018] In the above solution, when determining the puncture site on the patient's head, it is only necessary to adjust the position of the arc-shaped sliding seat relative to the annular sliding seat and the position of the sliding sleeve relative to the arc-shaped sliding seat, so that the direction of the guiding mechanism on the sliding sleeve is aligned with the puncture site, and then the arc-shaped sliding seat and the sliding sleeve can be fixed by using the fixing bolts.

[0019] By providing the guiding mechanism, during puncture, first, loosen the limit bolt so that the movable seat can move along the guiding column. The user can manually push the movable seat to drive the puncturing member to move, which can play a role in guiding the puncturing member.

[0020] By providing the auxiliary puncture mechanism and the auxiliary needle withdrawal mechanism, when the user performs puncture and needle withdrawal operations, the auxiliary puncture mechanism and the auxiliary needle withdrawal mechanism will generate a thrust on the movable seat, thereby reducing the difficulty of puncture and needle withdrawal. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings incorporated herein and constituting a part of the specification illustrate embodiments of the present invention and, together with the specification, are further used to explain the principles of the present invention and enable those skilled in the relevant art to implement and use the present invention.

[0022] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0023] Figure 2 Structural schematic diagram of the positioning mechanism of the present invention;

[0024] Figure 3 Structural schematic diagram of the arc-shaped sliding seat of the present invention;

[0025] Figure 4 Structural schematic diagram of the guiding mechanism of the present invention;

[0026] Figure 5 Structural schematic diagram of the auxiliary puncture mechanism of the present invention;

[0027] Figure 6 Partial cross-sectional view of the auxiliary puncture mechanism of the present invention;

[0028] Figure 7 Structural schematic diagram of the auxiliary needle withdrawal mechanism of the present invention;

[0029] Figure 8 Partial cross-sectional view of the auxiliary needle withdrawal mechanism of the present invention;

[0030] Figure 9 Structural schematic diagram of a part of the present invention;

[0031] Figure 10 Structural schematic diagram of the fixed cylinder of the present invention.

[0032] [Reference numerals]

[0033] 1. Sleeve plate; 2. Positioning mechanism; 21. Positioning bolt; 22. Positioning plate; 23. Airbag; 24. Connecting pipe; 3. Ring-shaped sliding seat; 4. Arc-shaped sliding seat; 5. Sliding sleeve; 6. Guiding mechanism; 61. Guiding column; 62. Puncturing member; 63. Moving seat; 64. Limit bolt; 7. Auxiliary puncture mechanism; 71. Electromagnet; 72. Magnetic block; 73. Top block; 74. First spring; 75. Cover body; 76. Fixed plate; 77. T-shaped rod; 78. First conductive sheet; 79. Second conductive sheet; 8. Auxiliary needle withdrawal mechanism; 81. Third conductive sheet; 82. Sliding plate; 83. Rotating plate; 84. Second spring; 85. Vertical plate; 86. Arc-shaped groove; 87. Arc-shaped plate; 88. Fourth conductive sheet; 9. Limit groove; 10. L-shaped plate; 11. Connecting plate; 12. Installation groove; 13. Fixed cylinder; 14. Insertion hole; 15. Fixed bolt.

[0034] As shown in the figure, in order to clearly implement the structure of the embodiments of the present invention, specific structures and devices are marked in the figure, but this is only for schematic needs and is not intended to limit the present invention to this specific structure, device and environment. Those of ordinary skill in the art can adjust or modify these devices and environments according to specific needs. Detailed implementation manners

[0035] The following will describe in detail a cerebrovascular intervention puncture positioning device provided by the present invention in conjunction with the accompanying drawings and specific embodiments. At the same time, it should be noted here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments. For some well-known technologies, those skilled in the art can also adopt other alternative methods for implementation; moreover, the accompanying drawings are only for more specifically describing the embodiments and are not intended to specifically limit the present invention.

[0036] It should be noted that in the specification, when referring to "an embodiment", "embodiment", "exemplary embodiment", "some embodiments", etc., it indicates that the described embodiment may include specific features, structures or characteristics, but not necessarily every embodiment includes such specific features, structures or characteristics. Additionally, when combining an embodiment to describe a specific feature, structure or characteristic, implementing such feature, structure or characteristic in combination with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the relevant art.

[0037] Generally, terms can be understood at least in part from their use in the context. For example, at least in part depending on the context, the term "one or more" used herein can be used to describe any feature, structure or characteristic in a singular sense, or can be used to describe a combination of features, structures or characteristics in a plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey a set of exclusive factors, but instead, at least in part depending on the context, allows for the existence of other factors that may not be explicitly described.

[0038] It can be understood that the meanings of "on...", "above...", and "over..." in the present invention should be interpreted in the broadest manner, such that "on..." not only means "directly on" something, but also includes the meaning of being "on" something with intervening features or layers therebetween, and "above..." or "over..." not only means "above" or "over" something, but also can include the meaning of being "above" or "over" something with no intervening features or layers therebetween.

[0039] Furthermore, spatial relative terms such as "under...", "below...", "lower", "above...", "upper", etc. are used herein for convenience of description to describe the relationship between one element or feature and another or more elements or features, as shown in the accompanying drawings. Spatial relative terms are intended to cover different orientations in the use or operation of the device other than the orientation depicted in the accompanying drawings. The device can be oriented in other ways, and the spatial relative descriptive terms used herein can be correspondingly interpreted similarly.

[0040] As Figures 1 to 10As shown, an embodiment of the present invention provides a cerebrovascular interventional puncture positioning device, including a sleeve plate 1, which is sleeved on the patient's head through a positioning mechanism 2, and an annular slide seat 3 is arranged on the upper surface of the sleeve plate 1, and an arcuate slide seat 4 is arranged on the annular slide seat 3, and the arcuate slide seat 4 can rotate around the central circumference of the annular slide seat 3, and a sleeve 5 is arranged on the arcuate slide seat 4, and the sleeve 5 can move along the surface of the arcuate slide seat 4, and a guide mechanism 6 is arranged on the surface of the sleeve 5 along the radial direction of the arcuate slide seat 4.

[0041] The guide mechanism 6 includes a guide column 61, a piercing member 62, a movable seat 63 and a limiting bolt 64. The guide column 61 is fixedly connected to the sliding sleeve 5 and is radially arranged along the arc-shaped sliding seat 4. The movable seat 63 is sleeved on the surface of the guide column 61 and forms a moving pair therewith. The piercing member 62 is arranged on one side of the movable seat 63, and the piercing direction of the piercing member 62 is parallel to the guide column 61. The limiting bolt 64 is inserted into the surface of the movable seat 63, and one end of the limiting bolt 64 is against the surface of the guide column 61. An auxiliary piercing mechanism 7 is arranged at one end of the guide column 61, and an auxiliary needle withdrawal mechanism 8 is arranged at the other end of the guide column 61.

[0042] The positioning mechanism 2 includes multiple groups of positioning bolts 21 inserted on the surface of the sleeve plate 1. At least three groups of positioning bolts 21 are provided, and the three groups of positioning bolts 21 are distributed in a circular array with the center of the sleeve plate 1 as the axis. One end of the positioning bolts 21 located inside the sleeve plate 1 is fixedly connected to a positioning plate 22.

[0043] The positioning mechanism 2 further includes a plurality of groups of air bags 23 fixedly mounted on the inner surface of the sleeve plate 1 . The air bags 23 are connected to each other through connecting pipes 24 , and the air inlet ports of the connecting pipes 24 are provided with connectors.

[0044] The moving surfaces of the arc-shaped slide seat 4 and the sliding sleeve 5 are both inserted with fixing bolts 15 , and one end of the fixing bolts 15 abuts against the annular slide seat 3 or the arc-shaped slide seat 4 .

[0045] Specifically, the sleeve 1 is put on the patient's head, and the positioning bolts 21 are tightened in sequence to make the positioning plate 22 close to the patient's head. In actual use, a sponge block can be set on the surface of the positioning plate 22 to improve the comfort of use; in addition, the air inlet port of the connecting tube 24 is connected to the external gas delivery device using a connector. The gas delivery device can use an existing manual inflation component or an electric inflation component. The gas delivery device is used to inflate the airbag 23 so that the airbag 23 fills the gap between the patient's head and the sleeve 1, thereby further improving the connection stability of the sleeve 1.

[0046] The surface of the movable seat 63 is provided with a thread groove, and the surface of the barrel of the piercing member 62 is provided with an external thread. The piercing member 62 can be detachably installed inside the thread groove.

[0047] A connecting plate 11 is fixedly connected to the surface of the sliding sleeve 5. An installation groove 12 is formed on the surface of the connecting plate 11. A fixing cylinder 13 is installed inside the installation groove 12 by means of threading. A jack 14 is formed on the surface of the fixing cylinder 13. The needle body of the puncturing member 62 passes through the jack 14.

[0048] In this embodiment, the puncturing member 62 is a disposable item. By providing external threads on the surface of the cylinder body of the puncturing member 62 and a threaded groove on the surface of the moving seat 63, the puncturing member 62 and the moving seat 63 are detachable from each other.

[0049] In addition, since the needle body of the puncturing member 62 is relatively thin, in order to prevent the needle body of the puncturing member 62 from skewing during puncturing, by providing the fixing cylinder 13 and the jack 14, the needle body of the puncturing member 62 passes through the jack 14 during passing. On the one hand, it guides the needle body, and on the other hand, it can prevent the needle body from skewing. Among them, the fixing cylinder 13 and the connecting plate 11 are also provided with a threaded detachable structure. In actual use, multiple groups of fixing cylinders 13 can be provided. The model of the jack 14 on the fixing cylinder 13 can be set according to the actual thickness of the needle body, and the fixing cylinder 13 can be assembled according to the model of the actual puncturing needle body.

[0050] When determining the puncturing position on the patient's head, it is only necessary to adjust the position of the arc-shaped sliding seat 4 relative to the annular sliding seat 3 and the position of the sliding sleeve 5 relative to the arc-shaped sliding seat 4, so that the direction of the guiding mechanism 6 on the sliding sleeve 5 is aligned with the puncturing position, and then use the fixing bolt 15 to fix the arc-shaped sliding seat 4 and the sliding sleeve 5. During puncturing, first, loosen the limit bolt 64 so that the moving seat 63 can move along the guiding column 61. In addition, by providing the auxiliary puncturing mechanism 7 and the auxiliary needle withdrawing mechanism 8, it can help the user to perform puncturing and needle withdrawing operations.

[0051] The auxiliary puncturing mechanism 7 includes an electromagnet 71. The electromagnet 71 is fixedly installed at one end of the guiding column 61 away from the sliding sleeve 5. A magnetic block 72 is fixedly connected to the surface of the moving seat 63. When the electromagnet 71 is energized, the electromagnet 71 and the magnetic block 72 repel each other.

[0052] The auxiliary puncture mechanism 7 further includes a first conductive sheet 78 and a second conductive sheet 79. When the first conductive sheet 78 contacts the second conductive sheet 79, the electromagnet 71 can be powered on. A fixing plate 76 is fixedly connected to the surface of the guiding column 61. A T-shaped rod 77 is inserted into the fixing plate 76. The first conductive sheet 78 is fixedly installed at one end of the T-shaped rod 77. The second conductive sheet 79 is fixedly installed on the surface of the fixing plate 76, and the first conductive sheet 78 is aligned with the second conductive sheet 79. One end of the T-shaped rod 77 penetrates through the fixing plate 76, and a first spring 74 is sleeved on the surface of the T-shaped rod 77. A top block 73 is fixedly connected to the surface of the magnetic block 72. The top block 73 can push the T-shaped rod 77 to separate the first conductive sheet 78 from the second conductive sheet 79. A cover body 75 is fixedly connected to the surface of the fixing plate 76. The first conductive sheet 78, the second conductive sheet 79, and a part of the T-shaped rod 77 are located inside the cover body 75.

[0053] In this embodiment, in the initial state, the moving seat 63 is fixed by the limit bolt 64. The moving seat 63 is located at one end of the guiding column 61. The top block 73 pushes up the T-shaped rod 77, compressing the first spring 74 sleeved on the surface of the T-shaped rod 77 and separating the first conductive sheet 78 from the second conductive sheet 79. At this time, the power supply of the electromagnet 71 is not connected. When puncture is required, first, loosen the limit bolt 64. The limit bolt 64 no longer restricts the moving seat 63. The user can slowly push the moving seat 63 to drive the puncturing member 62 to move for puncturing work. In addition, the top block 73 no longer presses against the T-shaped rod 77, and the compressed first spring 74 extends, driving the T-shaped rod 77 to move. When the first conductive sheet 78 contacts the second conductive sheet 79, the power supply of the electromagnet 71 is connected, and the electromagnet 71 generates magnetism. Since the electromagnet 71 and the magnetic block 72 on the moving seat 63 repel each other, the electromagnet 71 will exert a thrust on the magnetic block 72 to assist the user in pushing the moving seat 63, thereby achieving the purpose of auxiliary puncture.

[0054] The auxiliary needle withdrawal mechanism 8 includes a sliding plate 82 and a rotating plate 83 sleeved on the surface of the guiding column 61, and the rotating plate 83 is rotatably connected to the sliding plate 82 through a bearing. A second spring 84 is sleeved on the surface of the guiding column 61. One end of the second spring 84 is fixedly connected to the sliding plate 82, and the other end of the second spring 84 is fixedly connected to the sliding sleeve 5. An arc-shaped plate 87 is fixedly connected to one side of the sliding plate 82. A vertical plate 85 is fixedly connected to the surface of the sliding sleeve 5. An arc-shaped groove 86 adapted to the arc-shaped plate 87 is formed on the surface of the vertical plate 85. The arc-shaped plate 87 can move into or out of the arc-shaped groove 86. When the arc-shaped plate 87 is located inside the arc-shaped groove 86, the second spring 84 is in a compressed state. A fourth conductive sheet 88 is fixedly connected to the surface of the arc-shaped plate 87. A third conductive sheet 81 is fixedly connected inside the arc-shaped groove 86. When the arc-shaped plate 87 moves out of the arc-shaped groove 86, the fourth conductive sheet 88 is separated from the third conductive sheet 81 to cut off the power supply of the electromagnet 71.

[0055] One side of the moving seat 63 opposite to the rotating plate 83 is connected with a rotating ring through a bearing. A L-shaped plate 10 is fixedly connected to the surface of the rotating ring. A limiting groove 9 is formed on the surface of the rotating plate 83. The L-shaped plate 10 can be inserted into the limiting groove 9 and is rotationally matched with it. And a convex block is arranged on the inner surface of the limiting groove 9, and the convex block can form a moving interference on the L-shaped plate 10.

[0056] In this embodiment, in the initial state, the arc plate 87 is located inside the arc groove 86. The movement of the rotating plate 83 and the sliding plate 82 along the guide post 61 is restricted. The second spring 84 is in a compressed state. When the moving seat 63 drives the puncturing member 62 to move to one side of the auxiliary needle withdrawing mechanism 8 and completes the puncturing work, when needle withdrawal is required, the L-shaped plate 10 on the rotating ring just inserts into the limiting groove 9 on the rotating plate 83. Rotate the L-shaped plate 10 so that the L-shaped plate 10 rotates to the other end of the limiting groove 9 and continues to rotate, thereby driving the rotating plate 83 and the arc plate 87 on the rotating plate 83 to rotate, and moving the arc plate 87 out of the arc groove 86. At this time, the fourth conductive sheet 88 on the arc plate 87 is separated from the third conductive sheet 81 inside the arc groove 86, and the power supply of the electromagnet 71 is cut off. And after the arc plate 87 is moved out of the arc groove 86, the restriction on the movement of the rotating plate 83 and the sliding plate 82 along the guide post 61 is released, and the compressed second spring 84 extends, thereby driving the sliding plate 82 and the rotating plate 83 to move along the guide post 61. The sliding plate 82 and the rotating plate 83 thus generate a thrust on the moving seat 63 in the needle withdrawal direction, thereby realizing the purpose of auxiliary needle withdrawal.

[0057] It should be noted that a battery assembly is arranged on the sliding sleeve 5 or any other part to provide power for the electromagnet 71. Among them, the battery assembly, the electromagnet 71, the first conductive sheet 78, the second conductive sheet 79, the third conductive sheet 81, and the fourth conductive sheet 88 are all connected in series through wires. The circuits and related driving programs involved are all existing conventional technologies and will not be elaborated here.

[0058] The present invention covers any substitutions, modifications, equivalent methods, and solutions made on the essence and scope of the present invention. In order to enable the public to have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention. However, those skilled in the art can fully understand the present invention without these detailed descriptions. In addition, in order to avoid unnecessary confusion to the essence of the present invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0059] The above are only the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A cerebrovascular interventional puncture positioning device, comprising a sleeve, characterized in that: The sleeve is sleeved on the patient's head through a positioning mechanism, an annular slide is provided on the upper surface of the sleeve, an arcuate slide is provided on the annular slide, the arcuate slide can rotate around the central circumference of the annular slide, and a sliding sleeve is provided on the arcuate slide, the sliding sleeve can move along the surface of the arcuate slide, and a guide mechanism is provided on the surface of the sliding sleeve along the radial direction of the arcuate slide; The guide mechanism includes a guide column, a piercing member, a movable seat and a limiting bolt. The guide column is fixedly connected to the sliding sleeve and is radially arranged along the arc-shaped sliding seat. The movable seat sleeve is arranged on the surface of the guide column and forms a movable pair therewith. The piercing member is arranged on one side of the movable seat, and the piercing direction of the piercing member is parallel to the guide column. A limiting bolt is inserted on the surface of the movable seat, and one end of the limiting bolt abuts against the surface of the guide column. An auxiliary piercing mechanism is arranged at one end of the guide column, and an auxiliary needle withdrawal mechanism is arranged at the other end of the guide column. The auxiliary puncture mechanism comprises an electromagnet, which is fixedly mounted on the end of the guide column away from the sliding sleeve, and a magnetic block is fixedly connected to the surface of the movable seat. When the electromagnet is energized, the electromagnet and the magnetic block repel each other; The auxiliary puncture mechanism also includes a first conductive sheet and a second conductive sheet, the first conductive sheet and the second conductive sheet contacting each other to energize the electromagnet, a fixed plate is fixedly connected to the surface of the guide column, a T-shaped rod is inserted on the fixed plate, the first conductive sheet is fixedly mounted on one end of the T-shaped rod, the second conductive sheet is fixedly mounted on the surface of the fixed plate, and the first conductive sheet is aligned with the second conductive sheet, one end of the T-shaped rod passes through the fixed plate, and a first spring is sleeved on the surface of the T-shaped rod, a top block is fixedly connected to the surface of the magnetic block, the top block can push the T-shaped rod to separate the first conductive sheet from the second conductive sheet, a cover is fixedly connected to the surface of the fixed plate, and the first conductive sheet, the second conductive sheet and the T-shaped rod are partially located inside the cover; The auxiliary needle withdrawal mechanism includes a sliding plate and a rotating plate sleeved on the surface of the guide column, and the rotating plate and the sliding plate are rotatably connected through a bearing, a second spring is sleeved on the surface of the guide column, one end of the second spring is fixedly connected to the sliding plate, and the other end of the second spring is fixedly connected to the sliding sleeve, an arc plate is fixedly connected to one side of the sliding plate, a vertical plate is fixedly connected to the surface of the sliding sleeve, an arc groove adapted to the arc plate is opened on the surface of the vertical plate, the arc plate can be moved in or out of the arc groove, when the arc plate is located inside the arc groove, the second spring is in a compressed state, a fourth conductive sheet is fixedly connected to the surface of the arc plate, a third conductive sheet is fixedly connected to the inside of the arc groove, when the arc plate moves out of the arc groove, the fourth conductive sheet is separated from the third conductive sheet and cuts off the power supply of the electromagnet.

2. The cerebrovascular interventional puncture positioning device according to claim 1, characterized in that: A rotating ring is connected to the side of the movable seat opposite to the rotating plate through a bearing, an L-shaped plate is fixedly connected to the surface of the rotating ring, a limiting groove is provided on the surface of the rotating plate, the L-shaped plate can be inserted into the limiting groove and rotatably cooperate with it, and a protrusion is provided on the inner surface of the limiting groove, and the protrusion can form a moving interference with the L-shaped plate.

3. The cerebrovascular interventional puncture positioning device according to claim 1, characterized in that: The surface of the movable seat is provided with a thread groove, the surface of the barrel of the piercing member is provided with an external thread, and the piercing member is detachably installed inside the thread groove.

4. The cerebrovascular interventional puncture positioning device according to claim 1, characterized in that: A connecting plate is fixedly connected to the surface of the sliding sleeve, a mounting groove is provided on the surface of the connecting plate, a fixing cylinder is threadedly installed inside the mounting groove, a plug hole is provided on the surface of the fixing cylinder, and the puncture needle body passes through the plug hole.

5. The cerebrovascular interventional puncture positioning device according to claim 1, characterized in that: The positioning mechanism includes multiple groups of positioning bolts inserted on the surface of the sleeve plate, at least three groups of positioning bolts are provided, and the three groups of positioning bolts are distributed in a circular array with the center of the sleeve plate as the axis, and one end of the positioning bolts located inside the sleeve plate is fixedly connected to the positioning plate.

6. The cerebrovascular interventional puncture positioning device according to claim 5, characterized in that: The positioning mechanism also includes a plurality of groups of air bags fixedly mounted on the inner surface of the sleeve plate, the air bags are connected to each other through connecting pipes, and the air inlet ports of the connecting pipes are provided with connectors.

7. The cerebrovascular interventional puncture positioning device according to claim 1, characterized in that: The moving surfaces of the arc-shaped sliding seat and the sliding sleeve are both inserted with fixing bolts, and one end of the fixing bolts abuts against the annular sliding seat or the arc-shaped sliding seat.

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