Intelligent negative pressure drainage device for thyroid surgery department
By introducing a pressure sensor and controller into the thyroid surgical drainage device, combined with a transmission component and a scale pointer, automatic control of the drainage fluid flow rate is achieved, solving the problem of manual monitoring required by existing devices and improving work efficiency and ease of operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GENERAL HOSPITAL OF THE NORTHERN WAR ZONE OF THE CHINESE PEOPLES LIBERATION ARMY
- Filing Date
- 2024-12-13
- Publication Date
- 2026-04-17
AI Technical Summary
Existing negative pressure drainage devices cannot automatically monitor and control the flow rate of drainage fluid, requiring specialized medical personnel to manually observe and estimate, resulting in low work efficiency.
A smart negative pressure drainage device for thyroid surgery was designed, which includes a drainage interface, a negative pressure interface and a drainage interface. It is equipped with a pressure sensor and a controller, and automatically controls the drainage and drainage process through a solenoid valve. The volume of accumulated fluid is displayed by a transmission component and a scale pointer.
It achieves automatic control of the drainage process, eliminating the need for manual monitoring, thus improving work efficiency, and the capacity is displayed via a pointer for easy operation.
Smart Images
Figure CN224126345U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, and in particular to an intelligent negative pressure drainage device for thyroid surgery. Background Technology
[0002] The thyroid gland is located in a closed space within the deep fascia of the neck, with a rich blood supply. Thyroid diseases are primarily treated with open surgery, resulting in a large surgical wound and significant postoperative bleeding and exudation. Furthermore, the neck tissues are relatively loose, and pressure bandaging can impair breathing. Without routine postoperative drainage, the continuous accumulation of exudate can not only hinder wound healing but also affect the patient's breathing, potentially even endangering their life. Studies have shown that postoperative hemorrhage and fluid accumulation exceeding 50 ml pose a risk of asphyxiation; therefore, routine postoperative drainage is recommended to reduce the risk of asphyxiation. However, if the drainage device is not clear after surgery, such as if tissue or blood clots block the drainage tube, it can also lead to blood and fluid accumulation compressing the trachea and causing the patient to suffocate. Currently, routine drainage is the main practice after thyroid surgery in clinical practice. The main purpose of placing a drainage device is to drain the bleeding and exudate from the wound, reduce its pressure on the trachea and surrounding tissues, and reduce its impact on wound healing. It can also detect active bleeding in time so that hemostasis and emergency measures can be taken promptly. Drainage must be placed after surgery for patients with lateral cervical lymph node dissection. Drainage is also necessary for patients with substernal goiter or giant thyroid cysts. Drainage is also necessary for patients with unclear anatomical layers during surgery, significant bleeding, incomplete hemostasis, or prolonged operation time.
[0003] However, existing negative pressure drainage devices can only perform drainage without monitoring the flow rate of the drainage fluid. During drainage, specialized medical staff need to keep a close eye on the drainage box and estimate the flow rate of the fluid, which wastes a lot of manpower and materials and is also very inefficient.
[0004] Therefore, a smart negative pressure drainage device for thyroid surgery is proposed to solve the above problems. Utility Model Content
[0005] The purpose of this invention is to provide an intelligent negative pressure drainage device for thyroid surgery, which solves the aforementioned technical problems.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a thyroid surgical intelligent negative pressure drainage device, comprising a drainage bottle, wherein a drainage interface and a negative pressure interface are provided through the top of the drainage bottle, and a drainage interface is provided through the bottom of the drainage bottle. Electromagnetic valves are fixedly installed in the drainage interface, the negative pressure interface, and the drainage interface. A pressure sensor is fixedly installed in the top of the drainage bottle, and the probe of the pressure sensor is built into the inner wall of the drainage bottle. The pressure sensor is electrically connected to a controller, and the drainage interface, the negative pressure interface, and the drainage interface are all electrically connected to the controller.
[0007] Preferably, the surface of the drainage bottle is recessed with a T-shaped groove, and the surface of the drainage bottle is provided with a scale located next to the T-shaped groove. A T-shaped block is slidably sleeved on the inner wall of the T-shaped groove, and a pointer is fixedly installed on the end face of the T-shaped block. The pointer corresponds to the scale position, and a transmission component is provided at the end of the T-shaped block away from the pointer.
[0008] Preferably, the transmission assembly includes a slide rod, which is fixedly installed on the inner wall of the diversion bottle. A float is slidably sleeved through the surface of the slide rod, and a connecting rod is fixedly installed on the surface of the float. A magnet is fixedly installed at the end of the connecting rod away from the float, and a magnet is fixedly installed at the end of the T-block away from the pointer. The magnet is magnetically connected to the magnet.
[0009] Preferably, a limiting sleeve is fixedly installed on the inner wall of the drainage bottle, and a slider is slidably limited on the inner wall of the limiting sleeve. One end of the slider is fixedly installed on the end of the connecting rod, and the magnet is fixedly installed on the end of the slider away from the connecting rod.
[0010] Preferably, the bottom of the float has an inverted frustum-shaped structure.
[0011] Preferably, a collar is fixedly fitted onto the surface of the drainage bottle, and a retainer is fixedly installed on the surface of the collar.
[0012] Compared with related technologies, the intelligent negative pressure drainage device for thyroid surgery provided by this utility model has the following advantages:
[0013] Beneficial effects:
[0014] This invention provides an intelligent negative pressure drainage device for thyroid surgery. By connecting the drainage interface to the drainage tube and the negative pressure interface to the negative pressure tube, the negative pressure tube draws air from the inside of the drainage bottle through the negative pressure interface to create negative pressure. The patient's accumulated fluid is then drawn into the drainage bottle through the drainage interface. During this process, the solenoid valves of the drainage interface and the negative pressure interface remain open. When the drainage bottle is full, it contacts a probe located at the top inside the bottle, causing a pressure sensor to send a signal to the controller. The controller then closes the solenoid valves of the drainage interface and the negative pressure interface to stop drainage. Simultaneously, the controller can open the control valve at the drainage interface to drain the accumulated fluid from the drainage bottle. This allows the device to automatically control the drainage of the patient's accumulated fluid, eliminating the need for constant manual monitoring and making it more convenient to use.
[0015] This invention provides an intelligent negative pressure drainage device for thyroid surgery. It continuously injects accumulated fluid into the drainage bottle, and a transmission component drives a T-shaped block to slide inside the T-shaped groove. The volume of accumulated fluid inside the drainage bottle can be easily determined by the pointer at the marked position, so that medical staff can operate as needed. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the drainage bottle structure of this utility model;
[0018] Figure 3 This is a cross-sectional view of the slide bar structure of this utility model;
[0019] Figure 4 This is a schematic diagram of the floating block structure of this utility model;
[0020] Figure 5 For the present utility model Figure 4 Schematic diagram of the structure at point A in the middle.
[0021] In the diagram: 1. Drainage bottle, 11. Collar, 12. Compression sleeve, 13. Drainage interface, 14. Negative pressure interface, 15. Pressure sensor, 16. T-slot, 17. Scale, 18. Slide rod, 19. Float, 2. Drainage interface, 21. Solenoid valve, 22. Connecting rod, 23. Limiting sleeve, 24. Slider, 25. Magnet one, 26. T-block, 27. Magnet two, 28. Pointer. Detailed Implementation
[0022] Please see Figures 1-5 This utility model provides a technical solution, including a drainage bottle 1. The top of the drainage bottle 1 is provided with a drainage interface 13 and a negative pressure interface 14, and the bottom of the drainage bottle 1 is provided with a drain interface 2. Solenoid valves 21 are fixedly installed in the drainage interface 13, the negative pressure interface 14 and the drain interface 2. A pressure sensor 15 is fixedly installed in the top of the drainage bottle 1. The probe of the pressure sensor 15 is built into the inner wall of the drainage bottle 1. The pressure sensor 15 is electrically connected to a controller. The drainage interface 13, the negative pressure interface 14 and the drain interface 2 are all electrically connected to the controller.
[0023] By connecting the drainage port 13 to the drainage tube and the negative pressure port 14 to the negative pressure tube, the negative pressure tube draws air from the inside of the drainage bottle 1 through the negative pressure port 14 to create negative pressure. Then, the patient's accumulated fluid is drawn into the drainage bottle 1 through the drainage port 13. During the process, the solenoid valves 21 of the drainage port 13 and the negative pressure port 14 remain open. When the drainage bottle 1 is full of fluid, it will contact the probe placed at the top inside the drainage bottle 1, thereby causing the pressure sensor 15 to send a signal to the controller. The controller then controls the solenoid valves 21 of the drainage port 13 and the negative pressure port 14 to close, stopping the drainage. At the same time, the controller can open the control valve at the drain port 2 to drain the fluid from the inside of the drainage bottle 1. This allows the device to automatically control the drainage of the patient's accumulated fluid without the need for constant manual monitoring of the drainage status, making it more convenient to use.
[0024] The surface of the drainage bottle 1 is recessed with a T-shaped groove 16, and the surface of the drainage bottle 1 is provided with a scale 17 located next to the T-shaped groove 16. A T-shaped block 26 is slidably sleeved on the inner wall of the T-shaped groove 16. A pointer 28 is fixedly installed on the end face of the T-shaped block 26. The pointer 28 is positioned corresponding to the scale 17. A transmission component is provided at the end of the T-shaped block 26 away from the pointer 28.
[0025] By continuously injecting the accumulated fluid into the drainage bottle 1, the transmission component drives the T-shaped block 26 to slide inside the T-shaped groove 16. The volume of the accumulated fluid inside the drainage bottle 1 can be easily determined by the pointer 28 stopping at the scale 17, so that medical staff can operate as needed.
[0026] The transmission assembly includes a slide rod 18, which is fixedly installed on the inner wall of the diversion bottle 1. A float 19 is slidably sleeved through the surface of the slide rod 18. A connecting rod 22 is fixedly installed on the surface of the float 19. A magnet 25 is fixedly installed at the end of the connecting rod 22 away from the float 19. A magnet 27 is fixedly installed at the end of the T-block 26 away from the pointer 28. The magnet 25 and the magnet 27 are magnetically connected.
[0027] As the accumulated liquid enters the drainage bottle 1, the buoyancy of the accumulated liquid will cause the float 19 to slide on the surface of the slide rod 18, thereby causing the connecting rod 22 to move synchronously with the float 19. This causes the magnet 1 25 to move synchronously with the magnet 27 that it is magnetically attracted to. Since the drainage bottle 1 is between the magnet 1 25 and the magnet 27, the attraction between the magnet 1 25 and the magnet 27 and the friction generated on the surface of the drainage bottle 1 are less than the buoyancy of the float 19.
[0028] A limiting sleeve 23 is fixedly installed on the inner wall of the drainage bottle 1. A slider 24 is slidably limited on the inner wall of the limiting sleeve 23. One end of the slider 24 is fixedly installed on the end of the connecting rod 22. A magnet 25 is fixedly installed on the end of the slider 24 away from the connecting rod 22.
[0029] Because of the limiting effect of the slider 24 sliding on the inner wall of the limiting sleeve 23, when the float 19 floats upward and drives the slider 24 to slide upward, the slider 24 can maintain vertical movement, avoid deviation, maintain the magnetic attraction state of magnet 1 25 and magnet 2 27, and make the movement of pointer 28 more stable.
[0030] The bottom of float 19 has an inverted frustum shape, which allows the accumulated liquid to more easily propel float 19 to float.
[0031] A collar 11 is fixedly fitted onto the surface of the drainage bottle 1, and a retainer 12 is fixedly installed on the surface of the collar 11.
[0032] When using the drainage bottle 1 for drainage of accumulated fluid, the sleeve 12 can be attached to the surface of the cylindrical object, so that the drainage bottle 1 can be placed stably and the installation is more convenient.
Claims
1. An intelligent negative pressure drainage device for thyroid surgery, comprising a drainage bottle (1), characterized in that: The top of the drainage bottle (1) is provided with a drainage interface (13) and a negative pressure interface (14), and the bottom of the drainage bottle (1) is provided with a drain interface (2). The drainage interface (13), the negative pressure interface (14) and the drain interface (2) are all fixedly provided with solenoid valves (21). The top of the drainage bottle (1) is fixedly installed with a pressure sensor (15). The probe of the pressure sensor (15) is built into the inner wall of the drainage bottle (1). The pressure sensor (15) is electrically connected to a controller. The drainage interface (13), the negative pressure interface (14) and the drain interface (2) are all electrically connected to the controller. The surface of the drainage bottle (1) is recessed with a T-shaped groove (16), and the surface of the drainage bottle (1) is provided with a scale (17) located next to the T-shaped groove (16). A T-shaped block (26) is slidably sleeved on the inner wall of the T-shaped groove (16). A pointer (28) is fixedly installed on the end face of the T-shaped block (26). The pointer (28) is positioned corresponding to the scale (17). A transmission component is provided at the end of the T-shaped block (26) away from the pointer (28). The transmission assembly includes a slide rod (18), which is fixedly installed on the inner wall of the diversion bottle (1). A float (19) is slidably sleeved through the surface of the slide rod (18). A connecting rod (22) is fixedly installed on the surface of the float (19). A magnet (25) is fixedly installed at the end of the connecting rod (22) away from the float (19). A magnet (27) is fixedly installed at the end of the T-block (26) away from the pointer (28). The magnet (25) and the magnet (27) are magnetically connected. The inner wall of the drainage bottle (1) is fixedly installed with a limiting sleeve (23), and the inner wall of the limiting sleeve (23) is limited by a slider (24). One end of the slider (24) is fixedly installed at the end of the connecting rod (22), and the magnet (25) is fixedly installed at the end of the slider (24) away from the connecting rod (22). The bottom of the float (19) has an inverted frustum-shaped structure; The drainage bottle (1) is fixedly fitted with a collar (11), and a retainer (12) is fixedly installed on the surface of the collar (11).