Positioning assembly and puncture equipment

By using a combination of lifting rods and light emitters in the puncture equipment, the rapid and long-distance positioning of the puncture site is achieved, which solves the problem of low positioning speed of the puncture site and improves the efficiency and safety of the puncture.

CN119279718AInactive Publication Date: 2025-01-10GUANGZHOU FIRST PEOPLES HOSPITAL (GUANGZHOU DIGESTIVE DISEASE CENT GUANGZHOU FIRST PEOPLES HOSPITAL GUANGZHOU MEDICAL UNIV THE SECOND AFFILIATED HOSPITAL OF SOUTH CHINA UNIV OF TECH)
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Patent Information

Application Number
CN202411608405.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-01-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Low positioning speed at the puncture site leads to prolonging puncture time and an increased risk of complications.

Method used

A positioning assembly is designed, including a lifting rod, a sliding round rod and a light emitter, allowing the light emitter to move freely and adjust the angle in multiple directions, and quickly and long-distance puncture position determination by positioning the light spot to avoid the need for Move directly above the puncture site.

Benefits of technology

It improves the positioning speed of the puncture site, reduces the puncture time and the probability of complications, and enhances the flexibility and safety of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a positioning assembly and puncture equipment, and the positioning assembly comprises a positioning table, the side surface of which is provided with a first sliding groove; the lifting rod is provided with a circular through hole, and the lifting rod is arranged on the first sliding groove and slides along the first sliding groove; the round sliding rod penetrates through the round through hole, the round sliding rod can rotate and move relative to the lifting rod, and the lifting rod can change the height of the round sliding rod; the light emitter is arranged at the end, close to the positioning table, of the sliding round rod. The positioning light spots emitted by the light emitter are used for positioning, so that a doctor can quickly determine a puncture position from multiple angles and can also perform long-distance inclined positioning, and the positioning assembly can perform positioning without moving to the position over the puncture part, so that the positioning speed of the puncture part is high, and the positioning accuracy is high. The puncture time is shortened; and the occurrence probability of various complications is reduced.
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Description

Technical Field

[0001] The present invention relates to the technical field of medical machinery, and in particular to a positioning component and a puncture device. Background Art

[0002] Puncture is a technique widely used in the medical field. It mainly involves inserting a puncture needle into the body cavity to extract secretions for testing, or injecting gas and contrast agents into the body cavity for imaging examination. In addition, drugs can also be injected into the body cavity. This process includes not only blood tests, blood transfusions and infusions, but also the placement of catheters for angiography and other medical purposes. In clinical practice, commonly used puncture techniques include thoracentesis, abdominal puncture, lumbar puncture and bone puncture. The selection of a suitable puncture site usually depends on the patient's specific disease condition and treatment needs. As an important detection method, puncture can effectively provide necessary diagnostic information and is relatively less invasive. It is usually located under the guidance of ultrasound or CT to ensure the accuracy and safety of the puncture. For example, for small lung nodules that meet surgical indications, doctors can choose to perform wedge resection or segmental resection of the lung through minimally invasive thoracoscopic surgery. However, many lung nodules are small, especially some non-solid nodules, which are difficult to find during surgery, so precise positioning is required before surgery.

[0003] After the puncture site of the patient is determined by the ultrasonic technology in the ultrasound department, the commonly used puncture positioning method is to complete the positioning by moving the positioning mechanism to the top of the puncture site. After confirming that the positioning position is correct, the puncture needle on the positioning mechanism is inserted into the body cavity. Each puncture requires the positioning mechanism to move to the top of the puncture site to complete the positioning. During the puncture, because the positioning mechanism needs to be frequently moved near the top of the puncture site, and the movement of the positioning mechanism is cumbersome, the puncture site positioning speed is low, resulting in prolonged puncture time and easy occurrence of various complications. Summary of the invention

[0004] The technical problem to be solved by the present invention is to solve the problem that the puncture site positioning speed is low and thus the puncture time is prolonged.

[0005] In order to solve the above technical problems, the present invention provides a positioning component, which includes: a positioning platform, a first sliding groove is provided on the side of the positioning platform; a lifting rod, the lifting rod is provided with a circular through hole, the lifting rod is arranged on the first sliding groove, and slides along the first sliding groove; a sliding round rod, the sliding round rod passes through the circular through hole, and the sliding round rod can rotate and move relative to the lifting rod; a light emitter, the light emitter is arranged on one end of the sliding round rod close to the positioning platform.

[0006] Furthermore, the lifting rod includes a sliding member, a first fixed member and a sliding rod, the sliding member is arranged on the first sliding groove and slides along the first sliding groove, the sliding member is slidably sleeved on the sliding rod, the first fixed member is arranged on the sliding member, the first fixed member is used to control the lifting and lowering of the sliding rod, the circular through hole is arranged on the sliding rod, and the sliding circular rod can rotate and move relative to the sliding rod.

[0007] Furthermore, a third sliding groove is provided on the side of the sliding rod, and the threaded column abuts against the bottom of the third sliding groove.

[0008] Furthermore, it also includes a restraint device, the restraint member includes a restraint member and a second fixing member, a second sliding groove is provided on the top of the positioning platform, the restraint member is arranged on the second sliding groove and slides along the second sliding groove, the second fixing member is arranged on the restraint member, and the second fixing member can be fixedly connected to multiple positions of the positioning platform.

[0009] Furthermore, it also includes a pusher, which includes a rotating motor and a threaded shaft connected to the rotating shaft of the rotating motor, the threaded shaft is located in the first sliding groove, and the sliding member is arranged on the threaded shaft.

[0010] The present invention also provides a puncture device, a puncture assembly and a positioning assembly of any of the above items.

[0011] Furthermore, the puncture assembly includes a placement table, a puncture device and a connecting line, the two ends of the connecting line are respectively connected to the placement table and the puncture device, the placement table is arranged on the positioning table, and the puncture device is placed on the placement table.

[0012] Furthermore, the puncture device includes a body, a puncture needle and a handle, the two ends of the body are respectively connected to the puncture needle and the connecting line, and the handle is vertically arranged on the side of the body; the placement table includes a table and an electric push rod, the bottom of the electric push rod is connected to the positioning table, the top of the electric push rod is connected to the bottom of the table, and the electric push rod is used to change the height of the table.

[0013] Furthermore, the placing table also includes a first limit member, a second limit member and a third limit member, the first limit member and the second limit member are both arranged on the top of the table plate, the third limit member is arranged on the side of the table plate, the first limit member is provided with a first limit groove matching the body of the device, the second limit member is provided with a second limit groove matching the handle, and the third limit member is provided with a third limit groove matching the connecting line.

[0014] Compared with the prior art, a puncture device according to an embodiment of the present invention has the following beneficial effects: a lifting rod is arranged on the first sliding groove and slides along the first sliding groove, the sliding round rod passes through the circular through hole of the lifting rod, and the sliding round rod can rotate and move relative to the lifting rod, thereby allowing the light emitter to move freely in multiple directions and adjust the light emission angle. By using the positioning light spot emitted by the light emitter in the positioning component for positioning, the doctor can determine the puncture position from multiple angles and quickly, and can also perform long-distance inclined positioning. The positioning component does not need to be moved to the top of the puncture site for positioning, thereby making the puncture site positioning speed fast, reducing the puncture time and reducing the probability of various complications. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a first stereoscopic view of the puncture device provided by the present invention;

[0016] Figure 2 is a second stereoscopic view of the puncture device provided by the present invention;

[0017] Figure 3 is a top view of the puncture device provided by the present invention;

[0018] Figure 4 is a stereoscopic diagram of a positioning assembly and a pusher of the puncture device provided by the present invention;

[0019] Figure 5 It is a cross-sectional view of the pusher of the puncture device provided by the present invention.

[0020] The corresponding relationship between the reference numerals and the component names is as follows:

[0021] 1. Positioning platform; 101. first sliding groove; 102. second sliding groove;

[0022] 2. Lifting rod; 21. Sliding member; 22. First fixing member; 221. Disc; 222. Threaded column; 23. Sliding rod; 201. Threaded through hole; 202. Third sliding groove;

[0023] 3. Sliding round rod;

[0024] 4. Light transmitter;

[0025] 5. restraint device; 51. restraint member; 52. second fixing member;

[0026] 6. Pusher; 61. Rotating motor; 62. Threaded shaft;

[0027] 7. Puncture assembly; 71. Placement table; 711. Table; 712. Electric push rod; 713. First limit piece; 714. Second limit piece; 715. Third limit piece; 72. Puncture device; 721. Device body; 722. Puncture needle; 723. Handle; 73. Connecting line; 701. First limit slot; 702. Second limit slot; 703. Third limit slot. DETAILED DESCRIPTION

[0028] The following is a description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, including various details of the embodiments of the present invention to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be appreciated by those of ordinary skill in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope of the present invention. Similarly, for clarity and conciseness, descriptions of well-known functions and structures are omitted in the following description.

[0029] like Figures 1 to 5 As shown, an embodiment of the first aspect of the present invention provides a positioning assembly, including: a positioning platform 1, a lifting rod 2, a sliding round rod 3 and a light emitter 4.

[0030] Among them, a first sliding groove 101 is provided on the side of the positioning platform 1; a lifting rod 2 is provided with a circular through hole, the lifting rod 2 is arranged on the first sliding groove 101, and slides along the first sliding groove 101; the sliding round rod 3 passes through the circular through hole, the sliding round rod 3 can rotate and move relative to the lifting rod 2, and the lifting rod 2 can change the height of the sliding round rod 3; the light emitter 4 is arranged on one end of the sliding round rod 3 close to the positioning platform 1.

[0031] By setting the lifting rod 2 on the first sliding groove 101 and sliding along the first sliding groove 101, the light emitter 4 can be moved along the direction of the first sliding groove 101. By allowing the sliding round rod 3 to pass through the circular through hole of the lifting rod 2, and the sliding round rod 3 can rotate and move relative to the lifting rod 2, the light emitter 4 can be moved along the length direction of the sliding round rod 3 and the axis of rotation, thereby allowing the light emitter 4 to move freely in multiple directions and adjust the light emission angle, thereby enhancing the flexibility of the movement of the light emitter 4 under different operating conditions, avoiding the occurrence of dead angles that affect the light positioning. By using the positioning light spot emitted by the light emitter 4 in the positioning component for positioning, the doctor can quickly determine the puncture position from multiple angles, and can also perform long-distance tilt positioning. The positioning component can also be positioned without moving to the top of the puncture site, thereby making the puncture site positioning speed fast, reducing the puncture time and reducing the probability of various complications.

[0032] Specifically, the light emitting element of the light emitter 4 may be a laser lamp, an LED lamp, or an incandescent lamp, and the first sliding groove 101 is arranged along the length direction of the positioning platform 1 .

[0033] In an optional embodiment of the present invention, the lifting rod 2 includes a sliding member 21, a first fixed member 22 and a sliding rod 23. The sliding member 21 is arranged on the first sliding groove 101 and slides along the first sliding groove 101. The sliding member 21 is slidably sleeved on the sliding rod 23. The first fixed member 22 is arranged on the sliding member 21. The first fixed member 22 is used to control the lifting and lowering of the sliding rod 23. A circular through hole is arranged on the sliding rod 23, and the sliding round rod 3 can rotate and move relative to the sliding rod 23.

[0034] The positioning platform 1, the sliding member 21, the sliding rod 23 and the sliding round rod 3 are slidably connected in sequence, thereby allowing the light emitter 4 of the positioning component to move and adjust freely in multiple directions. The sliding member 21 is slidably connected to the positioning platform 1 through the first sliding groove 101, thereby the position of the positioning component can be moved. The sliding member 21 is slidably connected to the sliding rod 23 through a circular through hole, thereby the height of the positioning component can be adjusted. The sliding round rod 3 is sleeved on the sliding rod 23 through the circular through hole, thereby allowing the light emitter 4 on the sliding round rod 3 to rotate and move relative to the sliding rod 23, thereby enhancing the movement flexibility of the light emitter 4 under different operating conditions, avoiding dead angles that affect light positioning, and enabling the positioning component to better adapt to the specific conditions of the patient.

[0035] like Figures 1 to 5 As shown in the figure, an embodiment of the second aspect of the present invention provides a puncture device, including a puncture component 7 and the aforementioned positioning component, the puncture component 7 includes a placement table 71, a puncture device 72 and a connecting line 73, the two ends of the connecting line 73 are respectively connected to the placement table 71 and the puncture device 72, the placement table 71 is set on the positioning table 1, and the puncture device 72 is placed on the placement table 71.

[0036] The puncture device of the present application separates the positioning component from the puncture device 72 so that the functions of the two can operate independently. By using the light emitter 4 on the positioning component to locate the puncture site, the doctor can quickly and accurately determine and switch the puncture position. After completing the positioning, the puncture device 72 can be held by hand to quickly complete the puncture. When multiple punctures are performed at multiple puncture sites, because there is no need to frequently move the positioning mechanism puncture site attachment, the light emitter 4 can be used to complete remote laser positioning, thereby making the positioning of multiple puncture sites fast, reducing the puncture time and reducing the probability of various complications.

[0037] By using the light emitter 4 in the positioning component, the doctor can quickly and accurately determine the puncture position, thereby reducing the risk of mispuncture and improving the success rate of the operation. At the same time, by holding the puncture device 72 flexibly, the position of the puncture device 72 and the insertion angle of the puncture device 72 can be moved, thereby improving the flexibility and reliability of the puncture operation. By connecting the two ends of the connecting line 73 to the placement table 71 and the puncture device 72 respectively, it is convenient for the doctor to take the puncture device 72, and the puncture device 72 can be prevented from being lost, and the electric puncture device 72 can also be connected to the circuit through the connecting line 73. By separating the positioning component and the puncture device 72, the use process of the puncture device 72 is made simpler and more efficient, reducing the doctor's operating steps, thereby improving the puncture efficiency and shortening the patient's waiting time. Accurate positioning and flexible operation reduce damage to surrounding tissues during puncture, reduce the patient's discomfort and the probability of complications, can effectively avoid the potential risks in traditional puncture methods, and enhance the safety of the entire puncture process. The versatility of the puncture device makes it suitable for various clinical scenarios, including the need to easily replace different types of puncture needles 722, which enhances its applicability and value in medical practice.

[0038] The puncture device 72 is composed of a body 721, a puncture needle 722 and a handle 723. The handle 723 makes the operation more convenient. The puncture needle 722 is inserted into the body 721, thereby improving the stability and safety of the puncture. The handle 723 is vertically arranged on the side of the body 721, which can provide the doctor with a better grip and control, and help the doctor reduce hand fatigue and improve the operation accuracy when performing multiple punctures in succession. The close combination of the puncture needle 722 and the body 721 reduces the risk of accidental detachment during the puncture process, thereby improving the safety of the operation and reducing the possibility of injury to the patient. Since the component structure of the puncture device 72 is relatively simple, the cleaning and maintenance process is more convenient, which helps to keep the puncture device 72 hygienic and improve the safety of clinical use. By replacing different types of puncture needles 722 on the puncture device 72, it can be applied to different types of puncture operations, expanding the application range of the equipment and meeting a variety of medical needs.

[0039] Specifically, the first fixing member 22 fixes the sliding rod 23 through a threaded disk or a buckle to control the sliding of the sliding rod 23. A plurality of threaded holes can also be provided on the sliding rod 23, and the first fixing member 22 fixes the sliding rod 23 through bolt connection to control the sliding of the sliding rod 23, and a pillow is provided on the positioning platform 1.

[0040] like Figure 2 and Figure 3As shown, in an optional embodiment of the present invention, the placement table 71 includes a table plate 711 and an electric push rod 712, the bottom of the electric push rod 712 is connected to the positioning table 1, and the top of the electric push rod 712 is connected to the bottom of the table plate 711, and the electric push rod 712 is used to change the height of the table plate 711.

[0041] By setting the electric push rod 712, the height of the table 711 can be adjusted according to the actual use needs. This flexible height adjustment can adapt to the height and surgical habits of different doctors and improve the convenience of doctors' operation. The lifting and lowering of the table 711 is controlled by the electric push rod 712. The operation is simple and convenient, and the height adjustment is accurate, which can reduce the physical burden of medical staff and enable doctors to quickly adjust the position of the equipment in an emergency. A connector is provided at the bottom of the electric push rod 712, and the connector is connected to the side or bottom of the positioning table 1. The connector helps to improve the stability of the entire puncture device. The stable placement table 71 can effectively reduce the vibration during the operation and ensure the accuracy of the puncture position. The tight connection between the connector and the positioning table 1 ensures the stability of each part of the placement table 71 during use, reduces the risk of accidental detachment or displacement, and thus improves the overall safety. The placement table 71 can effectively increase the placement space for surgical instruments. Through reasonable layout, the puncture device 72 and other medical equipment are kept at an appropriate distance to ensure the cleanliness and safety of the medical environment.

[0042] like Figure 2 and Figure 3 As shown, in an optional embodiment of the present invention, the placement table 71 also includes a first limiting member 713 and a second limiting member 714, both of which are arranged on the top of the table 711, and the first limiting member 713 is provided with a first limiting slot 701 matching the body 721, and the second limiting member 714 is provided with a second limiting slot 702 matching the handle 723. By arranging the first limiting slot 701 matching the body 721 on the first limiting member 713, the accurate position of the body 721 on the placement table 71 can be ensured, thereby improving the accuracy of the puncture operation, reducing errors, and ensuring the success rate of the operation. By arranging the second limiting slot 702 matching the handle 723 on the second limiting member 714, the handle 723 can be fixed in a specified position during operation, effectively preventing accidental injuries caused by improper operation, and improving the safety of the operation. Through the limiting of the limiting member, medical staff can put the instrument in place more quickly, reducing cumbersome adjustment steps, optimizing the surgical process, and improving work efficiency. For different models or types of puncture instruments 72, the limiting slot can be adjusted according to the needs, and the limiting slot can be changed by removing and replacing the limiting member, so that the placement table 71 has a wider applicability and can adapt to various clinical needs. The first limiting member 713 and the second limiting member 714 can match each other to allow the puncture instrument 72 to be stably limited on the table 711.

[0043] The first stopper 713 and the second stopper 714 eliminate the need for doctors to frequently adjust the position of the instrument, which reduces the physical burden on medical staff during long-term operation and reduces fatigue. The first stopper 713 and the second stopper 714 effectively prevent the puncture device 72 from moving or tilting during use, thereby protecting the integrity of the instrument, extending its service life, and reducing procurement costs. The first stopper 713 and the second stopper 714 further improve the overall stability of the placement table 71, ensuring that the puncture device 72 can remain in the correct position even if the placement table 71 is subjected to a certain external force.

[0044] like Figure 2 and Figure 3 As shown, in an optional embodiment of the present invention, the placement table 71 also includes a third limiting member 715, and the third limiting member 715 is arranged on the side of the table plate 711, and the third limiting member 715 is provided with a third limiting through groove 703 matching the connecting line 73.

[0045] By matching the third stopper 715 with the connecting wire 73, the connecting wire 73 can be firmly fixed after the puncture device 72 is used, so as to prevent the connecting wire 73 from being randomly placed and tangled. The third stopper 715 is arranged on the side of the table 711, which effectively utilizes the space of the table 71, reasonably arranges the position of the connecting wire 73, reduces the messy placement of the connecting wire 73 in the operating environment, improves the cleanliness of the working area, and facilitates the operation of medical personnel.

[0046] Through the third limiting slot 703, the connecting wire 73 can slide in and out easily, which improves the convenience during operation. The third limiting member 715 makes the management of the connecting wire 73 more standardized, and medical staff can quickly organize the connecting wire 73 after use, reducing the complexity of maintenance and management. By limiting the range of movement of the connecting wire 73, the third limiting member 715 effectively reduces the operating errors or equipment damage caused by accidental pulling or entanglement of the connecting wire 73, and further improves the safety of operation.

[0047] like Figure 1 and Figure 3 As shown, in an optional embodiment of the present invention, it also includes a restraint 5, the restraint member 51 includes a restraint member 51 and a second fixing member 52, a second sliding groove 102 is provided on the top of the positioning platform 1, and the bottom of the restraint member 51 is slidably connected to the positioning platform 1 through the second sliding groove 102, and the second fixing member 52 is arranged on the restraint member 51, and the second fixing member 52 can be fixedly connected to multiple positions of the positioning platform 1.

[0048] A restraint 5 is arranged on the top surface of the positioning table 1. The restraint 51 can connect the patient's hands and feet to prevent the patient's hands and feet from falling off the positioning table 1 during anesthesia, thereby providing higher stability and preventing the patient's hands and feet from slipping off the bed during puncture, which would affect the doctor's puncture and ensure the accuracy and safety of the puncture.

[0049] By providing the second sliding slot 102, the restraint 51 can be freely adjusted according to the patient's body shape, adapting to the body shape characteristics of different patients, greatly improving the applicability and enabling it to meet a variety of scenarios and needs. Medical staff can quickly and conveniently adjust the position of the restraint 51, reducing preparation time and improving work efficiency.

[0050] The second fixing member 52 ensures that the restraint member 51 is firmly connected after sliding to a suitable position, avoiding potential safety hazards caused by loosening or falling off, enhancing the safety of the puncture operation, and reducing the risk of accidents. The restraint device 5 can be flexibly adjusted according to the patient's body shape, which helps to reduce the patient's discomfort, provide a more humane nursing experience, and enhance the patient's trust and satisfaction.

[0051] The various parts of the restraint device 5 are easy to disassemble and clean, which is convenient for the maintenance and management of the medical device. It not only prolongs the service life, but also improves the hygiene standard of the device and meets the requirements of the medical environment. Through the adjustable restraint 51 and the fixing part, it can adapt to different types of puncture equipment and their operation requirements, thereby improving the versatility of the device.

[0052] Specifically, the second sliding slots 102 and the restraints 5 are arranged at the four corners of the top of the positioning platform 1, and the second fixing member 52 is connected to multiple positions of the positioning platform 1 by bolts or buckles. The restraints 51 can be connected and fixed to the patient's hands and feet by means of rings, restraint belts or restraint ropes.

[0053] like Figure 4 and Figure 5 As shown, in an optional embodiment of the present invention, it also includes a pusher 6, which includes a rotating motor 61 and a threaded shaft 62 connected to the rotating shaft of the rotating motor 61, the threaded shaft 62 is located in the first sliding groove 101, and the sliding member 21 is sleeved on the threaded shaft 62. When the threaded shaft 62 rotates, the sliding member 21 moves.

[0054] By rotating the motor 61 to drive the threaded shaft 62, the positioning component can be automatically moved, reducing the workload of manual adjustment of medical staff, significantly improving the operating efficiency, and making the positioning process faster and more accurate. The combination of the threaded shaft 62 and the sliding member 21 can achieve fine linear movement. Medical staff can control the position of the sliding member 21 by controlling the rotation of the motor. The precise control can meet the movement requirements of different positioning components and ensure the efficiency of the positioning process. The pusher 6 controlled by the motor reduces the errors and accidents caused by manual operation and reduces the operating risks. Especially in the key positioning steps, the automated movement can effectively avoid positioning errors caused by factors such as hand shaking. The automated movement reduces the physical exertion of medical staff during the operation and reduces the physical fatigue caused by long-term operation. This is particularly important for medical staff who need to perform puncture operations for a long time, which helps to maintain a good working state. The pusher 6 can be connected to a computer system to realize real-time monitoring and data recording of the puncture process. Through data analysis, medical staff can gain deeper insights and optimize subsequent operating procedures and technologies.

[0055] like Figure 1 and Figure 4 As shown, in an optional embodiment of the present invention, the first fixing member 22 includes a disk 221 and a threaded column 222 arranged on the axis of the disk 221. The side of the sliding member 21 is provided with a threaded through hole 201 matching the threaded column 222. The threaded column 222 passes through the threaded through hole 201 and abuts against the sliding rod 23. The disk 221 is arranged to facilitate the rotation of the threaded column 222 on the disk 221. The threaded through hole 201 matching the threaded through hole 201 on the sliding member 21, so that the rotation of the disk 221 can adjust the depth of the threaded column 222 in the sliding member 21, and then the threaded column 222 squeezes the sliding rod 23 to fix its position. The tight fit between the threaded column 222 and the sliding member 21 can effectively prevent the sliding member 21 from loosening.

[0056] like Figure 1 and Figure 3 As shown, in an optional embodiment of the present invention, a third sliding groove 202 is provided on the side of the sliding rod 23 , and the threaded column 222 abuts against the bottom of the third sliding groove 202 .

[0057] The pressure of the threaded column 222 against the third sliding groove 202 is adjusted by rotating the disc 221, so as to fix the position of the sliding rod 23. By setting the third sliding groove 202 against the threaded column 222, additional guiding support is provided for the sliding rod 23. It can effectively prevent the sliding rod 23 from deviating during the movement, ensuring that it always moves along the predetermined trajectory, thereby improving the accuracy of puncture. Since the threaded column 222 slides in the third sliding groove 202, its contact surface is optimized, which can reduce direct friction and wear between components. The existence of the third sliding groove 202 makes the movement and fixation of the sliding rod 23 more stable and smooth, and reduces the jamming phenomenon caused by excessive friction.

[0058] like Figure 1 and Figure 3 As shown, in an optional embodiment of the present invention, the top surface of the positioning platform 1 is rectangular, and the positioning component and the puncture device are respectively arranged on both sides of the long side of the positioning platform 1. The rectangular positioning platform 1 makes the layout more reasonable and can make full use of the space, so that the positioning component and the puncture device can achieve functional distribution in a relatively small area, thereby improving the compactness of the device. The positioning component and the puncture device are respectively placed on both sides of the long side, and when two operators control the two components simultaneously on the same plane, the operating space is increased. For example, after the nurse uses the light emitter 4 to complete the puncture point positioning, the doctor directly uses the puncture device 72 for puncture, thereby reducing the interval time between the positioning and puncture steps and improving work efficiency.

[0059] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps described in the present invention can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solution disclosed in the present invention can be achieved, and this document does not limit this.

[0060] The above specific implementations do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning component, characterized in that: include: A positioning platform, wherein a first sliding groove is provided on a side of the positioning platform; A lifting rod, wherein the lifting rod is provided with a circular through hole, the lifting rod is arranged on the first sliding groove, and slides along the first sliding groove; A sliding round rod, the sliding round rod passes through the circular through hole, and the sliding round rod can rotate and move relative to the lifting rod; A light emitter is arranged on one end of the sliding round rod close to the positioning platform.

2. The positioning assembly according to claim 1, characterized in that: The lifting rod includes a sliding member, a first fixed member and a sliding rod. The sliding member is arranged on the first sliding groove and slides along the first sliding groove. The sliding member is slidably sleeved on the sliding rod. The first fixed member is arranged on the sliding member. The first fixed member is used to control the lifting and lowering of the sliding rod. The circular through hole is arranged on the sliding rod, and the sliding round rod can rotate and move relative to the sliding rod.

3. The positioning assembly according to claim 2, characterized in that: The first fixing member includes a disk and a threaded column arranged on the axis of the disk. The side surface of the sliding member is provided with a threaded through hole matching the threaded column. The threaded column passes through the threaded through hole and abuts against the sliding rod.

4. The positioning assembly according to claim 3, characterized in that: A third sliding groove is provided on the side of the sliding rod, and the threaded column abuts against the bottom of the third sliding groove.

5. The positioning assembly according to claim 1, characterized in that: It also includes a restraint device, the restraint member includes a restraint member and a second fixing member, a second sliding groove is provided on the top of the positioning platform, the restraint member is arranged on the second sliding groove and slides along the second sliding groove, the second fixing member is arranged on the restraint member, and the second fixing member can be fixedly connected to multiple positions of the positioning platform.

6. The positioning assembly according to claim 1, characterized in that: It also includes a pusher, which includes a rotating motor and a threaded shaft connected to the rotating shaft of the rotating motor, the threaded shaft is located in the first sliding groove, and the sliding member is arranged on the threaded shaft.

7. A puncture device, characterized in that: include: A puncture assembly and a positioning assembly as described in any one of claims 1-6.

8. The puncture device according to claim 7, characterized in that The puncture assembly comprises a placement table, a puncture device and a connecting line, two ends of the connecting line are respectively connected to the placement table and the puncture device, the placement table is arranged on the positioning table, and the puncture device is placed on the placement table.

9. The puncture device according to claim 8, characterized in that The puncture device comprises a body, a puncture needle and a handle, the two ends of the body are respectively connected to the puncture needle and the connecting line, and the handle is vertically arranged on the side of the body; The placing table includes a table and an electric push rod, the bottom of the electric push rod is connected to the positioning table, the top of the electric push rod is connected to the bottom of the table, and the electric push rod is used to change the height of the table.

10. The puncture device according to claim 9, characterized in that The placing table also includes a first limit member, a second limit member and a third limit member. The first limit member and the second limit member are both arranged on the top of the table plate, and the third limit member is arranged on the side of the table plate. The first limit member is provided with a first limit groove matching the body of the device, the second limit member is provided with a second limit groove matching the handle, and the third limit member is provided with a third limit groove matching the connecting line.