Drainage puncture positioning device for cardiothoracic surgery
By designing a drainage puncture positioning device with components such as fixed base, lift rod, curved plate and motor, the problem of puncture angle and position in manual operation in traditional thoracic cardiac surgery drainage puncture is solved, and precise adjustment and stable puncture are achieved, improving the accuracy and safety of the surgery.
Patent Information
- Application Number
- CN202422029935.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-08-21
AI Technical Summary
Traditional thoracic cardiac surgery drainage puncture relies on manual operation by doctors, which leads to the puncture angle and position that are prone to changes due to hand shaking, which affects the surgical effect and may cause harm to the patient.
A drainage and puncture positioning device including a fixed base, a lifting rod, a U-frame, a curved plate, a motor, a slider, an electric push rod and a press-fitting fixing component is designed. The angle is adjusted by driving the arc plate by the motor, the slider is adjusted to the position, the electric push rod controls the depth, the press-fitting fixing component ensures the stability of the puncture needle, and a laser positioner assists in positioning.
It improves the accuracy and stability of the puncture, reduces position changes caused by hand shaking, reduces patient damage, and improves the safety and convenience of the operation.
Smart Images

Figure CN223111774U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drainage puncture devices, and specifically refers to a drainage puncture positioning device for cardiothoracic surgery. Background Technique
[0002] Drainage puncture in cardiothoracic surgery is a common medical operation method, aiming to drain the accumulated fluid or gas in the body through puncture technology to relieve the patient's condition and promote recovery.
[0003] In the traditional cardiothoracic surgery drainage puncture process, the operation mainly relies on the doctor's manual ability. However, due to the complexity of the human physiological structure and the uncertainty of the surgical environment, there are significant defects in this process. When the doctor performs the puncture, even a slight tremor of the hand may cause a large change in the puncture angle and position. This change will not only affect the surgical effect, but also may cause unnecessary harm to the patient's body, increasing the patient's pain and surgical risk.
[0004] In order to overcome the above problems, there is an urgent need for a positioning device that can accurately adjust the puncture angle and position and ensure the stability of the puncture needle at the same time, so as to improve the accuracy, safety and effectiveness of cardiothoracic surgery drainage puncture, and reduce the patient's pain and the occurrence of surgical complications. Content of the Utility Model
[0005] (1) Technical Problem
[0006] The utility model aims to provide a drainage puncture positioning device for cardiothoracic surgery to solve the problem that in traditional cardiothoracic surgery drainage puncture, the puncture angle and position are prone to large changes due to slight tremors of the hand during manual operation by the doctor, which may cause harm to the patient and increase pain. Through this positioning device, the puncture angle and position can be accurately adjusted, and the puncture needle can be kept stable, improving the accuracy and safety of the operation.
[0007] (2) Technical Content
[0008] To solve the above technical problems, the technical solution of the utility model is: a drainage puncture positioning device for cardiothoracic surgery, including a fixed base for fixedly connecting with the operating table, a lifting rod is fixedly arranged at the upper end of the fixed base, a U-shaped frame is fixedly arranged at the upper end of the lifting rod, an arc-shaped plate is rotatably arranged inside the U-shaped frame, a motor for driving the arc-shaped plate to rotate and adjust the angle is fixedly arranged outside the U-shaped frame, a slider is slidably arranged inside the arc-shaped plate, an electric push rod is fixedly arranged at the lower end of the slider, a puncture needle fixing component is fixedly arranged at the piston end of the electric push rod, and a pressing and fixing component for fixing its position is fixedly arranged at the upper end of the slider.
[0009] Further, the fixed base includes a U-shaped clamping plate. A fastening bolt is threadedly connected to the bottom of the U-shaped clamping plate. One end of the fastening bolt extending into the interior of the U-shaped clamping plate is rotatably provided with a fixing plate. A guide rod is fixedly provided at the bottom of the fixing plate. The guide rod passes through the U-shaped clamping plate and is slidably connected to the U-shaped clamping plate.
[0010] Further, the lifting rod includes an insertion tube fixedly provided at the upper end of the fixed base, and further includes an insertion rod inserted into the upper end of the insertion tube. An adjusting bolt is threadedly connected to the side of the insertion tube. A plurality of threaded holes matching the adjusting bolt are provided on the side of the insertion rod. The U-shaped frame is fixedly provided at the upper end of the insertion rod.
[0011] Further, a chute is provided inside the arc-shaped plate, and a slider is slidably connected in the chute.
[0012] Further, the pressing and fixing assembly includes an L-shaped folding plate fixedly provided at the upper end of the slider. A pressing and fixing bolt is threadedly connected to the upper end of the L-shaped folding plate. The lower end of the pressing and fixing bolt is rotatably connected to a rubber pressing block. The rubber pressing block moves downward to contact and press the arc-shaped plate.
[0013] Further, the puncture needle fixing assembly includes a mounting plate fixedly provided at the lower end of the electric push rod. A plug cavity for inserting the puncture needle is fixedly provided at the bottom of the mounting plate. A second fastening bolt for fastening the puncture needle is provided on the side of the plug cavity.
[0014] Further, a laser locator is fixedly provided at the bottom of the mounting plate. The light direction of the laser locator is the same as the pointing direction of the puncture needle, and the distance from the light center to the central axis of the puncture needle is a fixed value.
[0015] (III) Technical Effects
[0016] The advantages of the present utility model compared with the prior art are as follows:
[0017] 1. Improve puncture accuracy and stability: The device is designed with an arc-shaped plate, a motor, a slider, and a pressing and fixing assembly. The arc-shaped plate can rotate to adjust the insertion angle of the puncture needle. The slider drives the puncture needle to slide to adjust the position of the puncture needle, reducing puncture deviation caused by human operation errors, ensuring the effect of drainage puncture, effectively maintaining the stability of the puncture needle, reducing position changes caused by factors such as hand tremors, reducing unnecessary injuries to patients. Accurate and stable puncture operations can reduce surgical trauma, thereby reducing the pain felt by patients during drainage puncture.
[0018] 2. Improve surgical safety and operation convenience: Reduce the risk of complications caused by puncture errors, providing a more reliable guarantee for the surgical safety of patients. The design and adjustment methods of each component are simple and easy to use, facilitating medical staff to operate quickly and accurately during the operation. Description of the Drawings
[0019] Figure 1 Schematic diagram of the three-dimensional structure of a drainage puncture positioning device for cardiothoracic surgery of the present utility model Figure 1 .
[0020] Figure 2 Schematic diagram of the three-dimensional structure of a drainage puncture positioning device for cardiothoracic surgery of the present utility model Figure 2 .
[0021] Figure 3 Schematic diagram of the front view structure of a drainage puncture positioning device for cardiothoracic surgery of the present utility model.
[0022] Figure 4 Schematic diagram of the cross-sectional structure of a drainage puncture positioning device for cardiothoracic surgery of the present utility model.
[0023] Figure 5 Schematic diagram of the structure of area A of a drainage puncture positioning device for cardiothoracic surgery of the present utility model.
[0024] Figure 6 Schematic diagram of the structure of area B of a drainage puncture positioning device for cardiothoracic surgery of the present utility model.
[0025] As shown in the figure: 1. Fixed base; 2. Lifting rod; 3. U-shaped frame; 4. Arc plate; 5. Motor; 6. Slide block; 7. Electric push rod; 8. Puncture needle fixing component; 9. U-shaped clamp; 10. Tightening bolt; 11. Fixed plate; 12. Fixed plate; 13. Intubation; 14. Insertion rod; 15. Adjusting bolt; 16. Threaded hole; 17. Chute; 18. Pressing and fixing component; 19. L-shaped folding plate; 20. Pressing and fixing bolt; 21. Rubber pressing block; 22. Mounting plate; 23. Insertion cavity; 24. Second tightening bolt; 25. Laser locator; 26. Puncture needle; 27. Puncture needle drainage tube. Specific implementation manner
[0026] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "center", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation structure and operation, so it should not be construed as a limitation to the present utility model.
[0027] In the description of the present utility model, it should also be noted that unless otherwise clearly defined and limited, terms such as "provided with", "installed", "connected", "linked" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0028] The following further elaborates on the present utility model in conjunction with the attached drawings.
[0029] Combined with the attached Figure 1 to the attached Figure 6 As shown in the figures, a drainage puncture positioning device for cardiothoracic surgery includes a fixed base 1 for fixedly connecting with an operating table. A lifting rod 2 is fixedly arranged at the upper end of the fixed base 1. A U-shaped frame 3 is fixedly arranged at the upper end of the lifting rod 2. An arc-shaped plate 4 is rotatably arranged inside the U-shaped frame 3. A motor 5 for driving the arc-shaped plate 4 to rotate and adjust the angle is fixedly arranged outside the U-shaped frame 3. A slider 6 is slidably arranged inside the arc-shaped plate 4. A chute 17 is arranged inside the arc-shaped plate 4, and the slider 6 is slidably connected in the chute 17. An electric push rod 7 is fixedly arranged at the lower end of the slider 6. A puncture needle fixing assembly 8 is fixedly arranged at the piston end of the electric push rod 7. A pressing and fixing assembly 18 for fixing its position is fixedly arranged at the upper end of the slider 6.
[0030] The working principle of the drainage puncture positioning device for cardiothoracic surgery of the present utility model is as follows: This drainage puncture positioning device for cardiothoracic surgery realizes the precise positioning and stable control of the puncture needle through the coordinated action of each component. The fixed base 1 is used to firmly fix the entire device on the operating table to ensure that it will not move during the operation. The lifting rod 2 can adjust the height of the device according to the patient's body position and surgical needs. The motor 5 drives the arc-shaped plate 4 to rotate, thereby changing the puncture angle. The slider 6 slides inside the arc-shaped plate 4 to adjust the position of the puncture needle, and the electric push rod 7 controls the vertical depth of the puncture needle. The pressing and fixing assembly 18 is used to fix the position of the slider 6, and the puncture needle fixing assembly 8 ensures that the puncture needle performs the puncture operation stably and accurately, and the laser locator 25 assists in determining the puncture direction.
[0031] Referring to the attached Figure 1 As shown in the figures, in this embodiment, the fixed base 1 includes a U-shaped clamping plate 9. A fastening bolt 10 is threadedly connected to the bottom of the U-shaped clamping plate 9. A fixing plate 11 is rotatably arranged at one end of the fastening bolt 10 extending into the inside of the U-shaped clamping plate 9. A guide rod 12 is fixedly arranged at the bottom of the fixing plate 11. The guide rod 12 passes through the U-shaped clamping plate 9 and is slidably connected to the U-shaped clamping plate 9.
[0032] Referring to the attached Figure 1, in this embodiment, the lifting rod 2 includes an insertion tube 13 fixedly arranged at the upper end of the fixed base 1, and further includes an insertion rod 14 inserted into the upper end of the insertion tube 13. An adjusting bolt 15 is threadedly connected to the side of the insertion tube 13, and a plurality of threaded holes 16 matching the adjusting bolt 15 are arranged on the side of the insertion rod 14. The U-shaped frame 3 is fixedly arranged at the upper end of the insertion rod 14.
[0033] Refer to the appendix Figure 5 , in this embodiment, the pressing and fixing assembly 18 includes an L-shaped folding plate 19 fixedly arranged at the upper end of the slider 6. A pressing and fixing bolt 20 is threadedly connected to the upper end of the L-shaped folding plate 19. A rubber pressing block 21 is rotatably connected to the lower end of the pressing and fixing bolt 20. The rubber pressing block 21 moves downward to contact and press the arc-shaped plate 4.
[0034] Refer to the appendix Figure 6 , in this embodiment, the puncture needle fixing assembly 8 includes a mounting plate 22 fixedly arranged at the lower end of the electric push rod 7. An insertion cavity 23 for inserting the puncture needle is fixedly arranged at the bottom of the mounting plate 22. A second fastening bolt 24 for fastening the puncture needle is arranged on the side of the insertion cavity 23. A laser locator 25 is fixedly arranged at the bottom of the mounting plate 22. The light direction of the laser locator 25 is the same as the direction of the puncture needle, and the distance from the light center to the central axis of the puncture needle is a fixed value.
[0035] Before the present utility model is used, an external power source is first connected, and its use process is as follows:
[0036] 1. First, clamp the U-shaped clamping plate 9 of the fixed base 1 on the edge of the operating table, rotate the fastening bolt 10, push the fixed plate 11 to press the operating table, and at the same time, the guide rod 12 ensures the smooth movement of the fixed plate 11, so as to firmly fix the entire device on the operating table.
[0037] 2. Adjust the lifting rod 2 according to the patient's body position and the height of the surgical site. By loosening the adjusting bolt 15 on the side of the insertion tube 13, adjust the insertion depth of the insertion rod 14 in the insertion tube 13, select a suitable threaded hole 16 to align with it, and then tighten the adjusting bolt 15 to fix the height of the lifting rod.
[0038] 3. Start the motor 5, and the motor 5 drives the arc-shaped plate 4 to rotate in the U-shaped frame 3 to adjust to a suitable puncture angle.
[0039] 4. Loosen the pressing and fixing bolt 20 of the pressing and fixing assembly 18, push the slider 6 to slide in the chute 17 inside the arc-shaped plate 4. After adjusting to the ideal position, tighten the pressing and fixing bolt 20 to make the rubber pressing block 21 press the arc-shaped plate 4 and fix the position of the slider 6.
[0040] 5. Insert the puncture needle 26 into the insertion cavity 23 of the puncture needle fixing assembly 8, and tighten the second fastening bolt 24 to firmly fix the puncture needle.
[0041] 6. Start the electric push rod 7 to push the puncture needle 26 downward for puncture operation. During the puncture process, the light emitted by the laser locator 25 has the same direction as the puncture needle 26, and the distance between the light center and the central axis of the puncture needle is a fixed value, which can assist the doctor in judging the puncture point and ensure the accuracy of the puncture.
[0042] 7. After the puncture is completed, loosen and disassemble each component in the reverse order, clean and disinfect the device for the next use.
[0043] The above describes the present utility model and its embodiments. Such description is not restrictive. What is shown in the drawings is only one of the embodiments of the present utility model, and the actual structure is not limited thereto. All in all, if those of ordinary skill in the art are inspired by it and design similar structural modes and embodiments to this technical solution without creative efforts without departing from the purpose of the creation of the present utility model, they shall fall within the protection scope of the present utility model.
Claims
1. A drainage puncture positioning device for cardiothoracic surgery, comprising a fixed base (1) fixedly connected to an operating table, a lifting rod (2) fixedly provided at the upper end of the fixed base (1), and a U-shaped frame (3) fixedly provided at the upper end of the lifting rod (2), characterized in that: An arc-shaped plate (4) is rotatably arranged inside the U-shaped frame (3), and a motor (5) for driving the arc-shaped plate (4) to rotate and adjust the angle is fixedly arranged outside the U-shaped frame (3). A slider (6) is slidably arranged inside the arc-shaped plate (4). An electric push rod (7) is fixedly arranged at the lower end of the slider (6), and a puncture needle fixing assembly (8) is fixedly arranged at the piston end of the electric push rod (7). A pressing and fixing assembly (18) for fixing its position is fixedly arranged at the upper end of the slider (6).
2. The thoracic and cardiovascular surgical drainage puncture positioning device according to claim 1, wherein: The fixed base (1) includes a U-shaped clamping plate (9). A fastening bolt (10) is threadedly connected to the bottom of the U-shaped clamping plate (9). A fixing plate (11) is rotatably arranged at one end of the fastening bolt (10) extending into the U-shaped clamping plate (9). A guide rod (12) is fixedly arranged at the bottom of the fixing plate (11). The guide rod (12) passes through the U-shaped clamping plate (9) and is slidably connected to the U-shaped clamping plate (9).
3. The a thoracic and cardiovascular surgery drainage puncture positioning device according to claim 1, characterized in that: The lifting rod (2) includes an insertion tube (13) fixedly arranged at the upper end of the fixed base (1), and also includes an insertion rod (14) inserted into the upper end of the insertion tube (13). An adjusting bolt (15) is threadedly connected to the side of the insertion tube (13). A plurality of threaded holes (16) matching the adjusting bolt (15) are arranged on the side of the insertion rod (14). The U-shaped frame (3) is fixedly arranged at the upper end of the insertion rod (14).
4. A thoracic and cardiac surgical drainage puncture positioning device according to claim 1, characterized in that: A chute (17) is arranged inside the arc-shaped plate (4), and the slider (6) is slidably connected in the chute (17).
5. The a thoracic and cardiovascular surgical drainage puncture positioning device according to claim 4, wherein: The pressing and fixing assembly (18) includes an L-shaped folding plate (19) fixedly arranged at the upper end of the slider (6). A pressing and fixing bolt (20) is threadedly connected to the upper end of the L-shaped folding plate (19). A rubber pressing block (21) is rotatably connected to the lower end of the pressing and fixing bolt (20). The rubber pressing block (21) moves downward to contact and press the arc-shaped plate (4).
6. The a thoracic and cardiovascular surgery drainage puncture positioning device according to claim 1, wherein: The puncture needle fixing assembly (8) includes a mounting plate (22) fixedly arranged at the lower end of the electric push rod (7). An insertion cavity (23) for inserting a puncture needle is fixedly arranged at the bottom of the mounting plate (22). A second fastening bolt (24) for fastening the puncture needle is arranged on the side of the insertion cavity (23).
7. A thoracic and cardiac surgical drainage puncture positioning device according to claim 6, characterized in that: A laser locator (25) is fixedly arranged at the bottom of the mounting plate (22). The light direction of the laser locator (25) is the same as the direction of the puncture needle, and the distance from the light center to the central axis of the puncture needle is a fixed value.