Thrombus suction negative pressure suction pump
By incorporating heat dissipation holes and a fan into the thrombus aspiration device, the problem of heat dissipation was solved, ensuring stable operation of the device and enabling safe thrombus aspiration.
Patent Information
- Application Number
- CN202422398395.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-09-30
AI Technical Summary
Existing thrombus aspiration equipment has many internal electronic components, which can cause the heat generated to be unable to dissipate in time, leading to overheating and system failure.
A negative pressure suction pump for thrombus aspiration was designed. It features heat dissipation holes on the back of the outer shell, a fan installed in the middle of the base plate, and through holes on the fixing plate. Combined with the fan air inlet on the bottom of the shell, it achieves effective heat dissipation. At the same time, the pump is connected to the reservoir through a trachea and a hose. After the suction catheter is inserted into the blood vessel, negative pressure is generated to aspirate the thrombus.
Effective heat dissipation prevents equipment from freezing, ensures stable operation, simplifies operation, and provides a continuous and stable negative pressure value to achieve safe thrombus aspiration.
Smart Images

Figure CN223541964U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of thrombus aspiration technology, specifically a thrombus aspiration negative pressure suction pump. Background Technology
[0002] Thrombosis is a common clinical disease. The main dangers of thrombosis are: 1) thrombus blockage of blood vessel lumen, causing obstruction of distal blood return; 2) thrombus detachment leading to serious harms such as pulmonary embolism, cerebral embolism and myocardial embolism. Thrombus aspiration is a method in which a catheter is inserted into the thrombus under negative pressure to directly draw the thrombus into the catheter and remove it. The advantages of catheter-based thrombus aspiration are: (1) minimally invasive. High-risk embolic patients are often critically ill and cannot tolerate traditional open surgery. In contrast, interventional treatment is performed under local anesthesia, which is less invasive and allows for faster recovery; (2) rapid and effective.
[0003] The existing publication CN115844488A discloses an automatically adjustable target flow rate thrombus aspiration pump and its usage method, which includes an aspiration pump main unit, a reservoir, a connecting tube, and an aspiration catheter. The aspiration pump main unit and the reservoir are connected; the reservoir is connected to one end of the connecting tube; a proportional clamp valve and a pressure sensor are provided on the flow path of the reservoir connecting to the connecting tube, and the first and second pressure measuring ports of the pressure sensor are located on the flow path of the reservoir connecting to the connecting tube; the other end of the connecting tube is connected to the aspiration catheter. This invention optimizes the thrombus aspiration surgical process. The aspiration pump can automatically identify the size of the aspiration catheter used, automatically reduce the negative pressure when the aspiration catheter does not encounter a thrombus, and automatically increase the negative pressure when aspirating the thrombus, so as to avoid excessive blood loss during aspiration and reduce the need for doctors to manually adjust aspiration parameters in the operating room.
[0004] In summary, although existing technologies have achieved thrombus extraction, the numerous electronic components inside the equipment generate a significant amount of heat. If this heat cannot be dissipated in time, the equipment may malfunction due to overheating. To address this issue, we propose a thrombus aspiration negative pressure suction pump. Utility Model Content
[0005] The purpose of this invention is to provide a negative pressure suction pump for thrombus aspiration, in order to solve the problem in the prior art that the equipment generates a lot of heat due to the large number of electronic components inside, and if the heat cannot be dissipated in time, the equipment will malfunction due to overheating.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a thrombus aspiration negative pressure suction pump, comprising a bottom shell, a base plate mounted on the top of the bottom shell, a fixing plate disposed above the base plate, a pump mounted on the top of the fixing plate, a capacitor mounted on the top of the base plate at one end of the fixing plate, an outer shell mounted on the bottom shell outside the pump and capacitor, a vacuum gauge, a pressure control valve and a push-button switch fixedly mounted on one side of the front top of the outer shell, a pagoda connector fixedly mounted on one side of the top of the outer shell, the pagoda connector, the pump, the vacuum gauge and the pressure control valve being connected by an air pipe, a liquid storage tank placed at the front front of the outer shell, the top of the liquid storage tank being covered with a liquid storage tank cover, the top of the liquid storage tank cover having an inlet and an outlet respectively, the pagoda connector being connected to the outlet via a flexible hose, and a butterfly filter installed between the pagoda connector and the flexible hose.
[0007] Preferably, the base plate and the fixing plate are fixedly connected by shock-absorbing rubber pads, and a total of four shock-absorbing rubber pads are provided, which are located at the four corners of the fixing plate.
[0008] Preferably, a fan is installed in the middle of the base plate, and a through hole is provided in the fixing plate located at the fan.
[0009] Preferably, a handle is fixedly installed on the top surface of the housing, and heat dissipation holes are provided on the back of the housing.
[0010] Preferably, a fan inlet is provided on the bottom surface of the bottom shell, and a grounding terminal is fixedly installed on the back of the bottom shell.
[0011] Preferably, a power socket is fixedly installed on the back of the housing, a power cord is plugged into the power socket, and the power socket, pump, capacitor, fan and push-button switch are connected by wires.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. The back of the outer casing has ventilation holes, the bottom plate has a fan installed in the middle, the mounting plate has a through hole for the fan, and the bottom of the casing has a fan air inlet. The fan and ventilation holes are used to dissipate heat from the pump, which can dissipate heat in time and prevent the equipment from crashing due to overheating.
[0014] 2. The pump and the reservoir are connected by a duct and a hose. The pump can extract gas from inside the reservoir. When the other end of the suction catheter is inserted into the blood vessel and reaches the thrombus, the negative pressure generated will draw the thrombus out through the suction catheter and into the reservoir, thus achieving the function of thrombus aspiration. The handle makes it easy to lift and hold, and the negative pressure value output by the pump can be controlled by turning the pressure control valve. The aspiration pump is easy to operate and ensures a continuous and stable delivery of negative pressure. The negative pressure value can be easily adjusted and displayed, making thrombus aspiration more convenient and safe. Attached Figure Description
[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the internal structure of this utility model;
[0018] Figure 3 This is the front view of this utility model;
[0019] Figure 4 This is a side view of the present invention;
[0020] Figure 5 This is a rear view of the present invention;
[0021] Figure 6 This is a top view of the present invention;
[0022] Figure 7 This is a bottom view of the present invention;
[0023] Figure 8 This is the circuit diagram of this utility model.
[0024] In the diagram: 1. Bottom shell; 2. Outer shell; 3. Liquid storage tank; 4. Liquid storage tank cover; 5. Liquid inlet; 6. Air outlet; 7. Pagoda connector; 8. Butterfly filter; 9. Hose; 10. Air pipe; 11. Base plate; 12. Fixing plate; 13. Pump; 14. Fan; 15. Capacitor; 16. Vacuum gauge; 17. Pressure control valve; 18. Push-button switch; 19. Shock-absorbing pad; 20. Wire; 21. Power cord; 22. Heat dissipation hole; 23. Grounding terminal; 24. Power socket; 25. Fan air inlet; 26. Handle. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely to represent selected embodiments of this utility model.
[0026] Please see Figure 1-7 In this embodiment of the present invention, a thrombus aspiration negative pressure suction pump includes a bottom shell 1. A fan inlet 25 is provided on the bottom surface of the bottom shell 1. A grounding terminal 23 is fixedly installed on the back of the bottom shell 1. A base plate 11 is installed on the top of the bottom shell 1. A fixing plate 12 is provided above the base plate 11. A pump 13 is installed on the top of the fixing plate 12. A capacitor 15 is installed on the top of the base plate 11 at one end of the fixing plate 12. An outer shell 2 is installed on the bottom shell 1 outside the pump 13 and the capacitor 15. A vacuum gauge 16, a pressure control valve 17, and a push-button switch 18 are fixedly installed on one side of the top front of the outer shell 2. A pagoda connector is fixedly installed on one side of the top of the outer shell 2. The head 7, pagoda connector 7, pump 13, vacuum gauge 16 and pressure control valve 17 are connected by air pipe 10. The front end of the outer casing 2 is equipped with a liquid storage tank 3. The top of the liquid storage tank 3 is covered with a liquid storage tank cover 4. The top of the liquid storage tank cover 4 is provided with a liquid inlet 5 and an air outlet 6. The pagoda connector 7 is connected to the air outlet 6 through a hose 9. A butterfly filter 8 is installed between the pagoda connector 7 and the hose 9. When the pump works, it generates negative pressure. The pump and the liquid storage tank are connected by air pipe and hose. It can draw gas from inside the liquid storage tank. When the other end of the suction tube is inserted into the blood vessel and reaches the thrombus, the generated negative pressure will draw the thrombus out through the suction tube and into the liquid storage tank, thus realizing the function of thrombus aspiration.
[0027] like Figure 2-7 The base plate 11 and the fixing plate 12 are fixedly connected by shock-absorbing rubber pads 19. There are four shock-absorbing rubber pads 19 in total, and the four shock-absorbing rubber pads 19 are located at the four corners of the fixing plate 12. A fan 14 is installed in the middle of the base plate 11. The fixing plate 12 has a through hole for the fan 14. The fan 14 can dissipate heat in time and avoid the problem of equipment crashing due to overheating.
[0028] like Figure 2 , 3 8; A handle 26 is fixedly installed on the top surface of the outer casing 2, and a heat dissipation hole 22 is provided on the back of the outer casing 2 to dissipate heat in time and avoid the problem of the equipment crashing due to overheating. A power socket 24 is fixedly installed on the back of the outer casing 2, and a power cord 21 is plugged into the power socket 24. The power socket 24, pump 13, capacitor 15, fan 14 and push button switch 18 are connected by a wire 20.
[0029] The working principle of this utility model is as follows: First, connect the suction tube to the inlet. After connecting the power cord to the mains power, press the button switch to start the pump. The pump generates negative pressure. The pump and the storage tank are connected by a gas tube and a flexible tube, which can draw gas from inside the storage tank. When the other end of the suction tube is inserted into the blood vessel and reaches the thrombus, the generated negative pressure will draw the thrombus out through the suction tube and into the storage tank, thus realizing the function of suctioning the thrombus. The handle makes it easy to lift and hold. The fan and heat dissipation holes are used to dissipate heat from the pump. The negative pressure value output by the pump can be controlled by rotating the pressure control valve.
[0030] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A thrombus aspiration negative pressure suction pump, comprising a base shell (1), characterized in that: A base plate (11) is installed on the top of the bottom shell (1). A fixing plate (12) is set above the base plate (11). A pump (13) is installed on the top of the fixing plate (12). A capacitor (15) is installed on the top of the base plate (11) at one end of the fixing plate (12). An outer shell (2) is installed on the bottom shell (1) outside the pump (13) and the capacitor (15). A vacuum gauge (16), a pressure control valve (17), and a push-button switch (18) are fixedly installed on the top side of the front of the outer shell (2). A pagoda connector (7) is fixedly installed on the top side of the outer shell (2). The pagoda connector (7), the pump (13), the vacuum gauge (16), and the pressure control valve (17) are connected by an air pipe (10). 2) A liquid storage tank (3) is placed on the front end of the container. The top of the liquid storage tank (3) is covered with a liquid storage tank cover (4). The top of the liquid storage tank cover (4) is provided with an inlet (5) and an outlet (6). A pagoda connector (7) is connected to the outlet (6) through a hose (9). A butterfly filter (8) is installed between the pagoda connector (7) and the hose (9). A fan (14) is installed in the middle of the base plate (11). A through hole is opened on the fan (14) by a fixing plate (12). A handle (26) is fixedly installed on the top surface of the outer shell (2). A heat dissipation hole (22) is opened on the back of the outer shell (2). A fan air inlet (25) is opened on the bottom surface of the bottom shell (1). A grounding terminal (23) is fixedly installed on the back of the bottom shell (1).
2. The thrombus aspiration negative pressure suction pump according to claim 1, characterized in that: The base plate (11) and the fixing plate (12) are fixedly connected by shock-absorbing rubber pads (19). There are four shock-absorbing rubber pads (19) in total, and the four shock-absorbing rubber pads (19) are located at the four corners of the fixing plate (12).
3. The thrombus aspiration negative pressure suction pump according to claim 1, characterized in that: A power socket (24) is fixedly installed on the back of the outer casing (2). A power cord (21) is plugged into the power socket (24). The power socket (24), pump (13), capacitor (15), fan (14) and push-button switch (18) are connected by a wire (20).
Citation Information
Patent Citations
Thrombus suction pump capable of automatically adjusting target flow velocity and use method of thrombus suction pump
CN115844488A