A pleural effusion extraction device for thoracic surgery

CN224735556UActive Publication Date: 2026-09-11FOURTH MILITARY MEDICAL UNIVERSITY
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Patent Information

Application Number
CN202520762437.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-09-11
Estimated Expiration
2035-04-22

AI Technical Summary

Technical Problem

[0004]本实用新型的目的在于提供一种胸外科用胸腔积液抽取装置,解决了现有的问题

Benefits of technology

[0015](1)本实用新型的一种胸外科用胸腔积液抽取装置,在抽取过程中,可控制抽取泵进行启动,并将胸外科积液抽取筒内侧的空气通过连接管道进行抽取,从而让胸外科积液抽取筒的内部产生负压,可让胸腔积液能够通过可更换针头进入至胸外科积液抽取筒的内侧,连接绳能够让胸腔积液收集瓶通过重力作用进行悬挂,使得胸腔积液导流管能够处于顺直状态,便于让液体进行流通并通过胸腔积液导流管传导至胸腔积液收集瓶的内侧进行收集,能够让该装置连续进行抽取,使得人员不会出现不适反应;

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Abstract

This utility model belongs to the field of pleural effusion aspiration technology, and in particular, a pleural effusion aspiration device for thoracic surgery. It includes a thoracic effusion aspiration tube, with a handle and a pump fixedly installed on the top. During aspiration, the pump can be started, and air inside the aspiration tube is drawn out through a connecting pipe, creating negative pressure inside the tube. This allows pleural effusion to enter through a replaceable needle into the tube. A connecting rope suspends the collection bottle by gravity, ensuring the pleural effusion drainage tube remains straight, facilitating fluid flow and collection through the tube to the inside of the collection bottle. This allows for continuous aspiration without causing discomfort to the user.
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Description

Technical Field

[0001] This utility model relates to the field of pleural effusion aspiration technology, and in particular to a pleural effusion aspiration device for thoracic surgery. Background Technology

[0002] Pleural effusion is a common clinical syndrome characterized by the pathological accumulation of fluid in the pleural cavity. The pleural cavity is a potential space between the visceral and parietal pleura. In a normal person, the pleural cavity contains 5–15 ml of fluid, which plays a lubricating role during respiratory movements. 500–1000 ml of fluid is formed and absorbed in the pleural cavity daily. Pleural effusion can occur if any cause leads to increased fluid production or decreased fluid absorption. Patients with pleural effusion must undergo treatment to drain the effusion.

[0003] In current technology, pleural effusion is extracted using a syringe. However, the syringe has a limited volume and can only extract a small amount of pleural effusion. Staff need to use hemostatic forceps to stop the bleeding and drain the pleural effusion before extraction can be performed again, which results in low work efficiency. Furthermore, repeated extractions can cause discomfort to the patient. Therefore, we propose a pleural effusion extraction device for thoracic surgery. Utility Model Content

[0004] The purpose of this invention is to provide a pleural effusion aspiration device for thoracic surgery, which solves the existing problems.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A thoracic surgical pleural effusion aspiration device includes a thoracic surgical effusion aspiration tube. A handle and an aspiration pump are fixedly installed on the top of the thoracic surgical effusion aspiration tube. A connecting pipe is fixedly installed at the output end of the aspiration pump. The output end of the connecting pipe is fixedly installed on the right side of the thoracic surgical effusion aspiration tube. A connecting block is fixedly installed on the left side of the thoracic surgical effusion aspiration tube. A replaceable needle is threaded onto the outer side of the connecting block. A connecting rope and a pleural effusion drainage tube are fixedly installed at the bottom of the thoracic surgical effusion aspiration tube.

[0007] Preferably, a connecting frame is fixedly installed at the bottom of the pleural effusion drainage tube, a pleural effusion collection bottle is provided at the bottom of the connecting frame, and a snap-fit ​​block is fixedly installed at the top of the pleural effusion collection bottle.

[0008] Preferably, two limiting blocks are fixedly installed at the bottom of the connecting frame, and an installation groove is provided at the bottom of the connecting frame, which fits into the snap-fit ​​block.

[0009] Preferably, the top inner wall of the mounting groove is provided with a storage groove, and multiple springs are fixedly installed on the top inner wall of the storage groove, and multiple locking blocks are fixedly installed on the bottom of the springs.

[0010] Preferably, the top of the snap-fit ​​block has a snap-fit ​​groove, and the snap-fit ​​block fits into the snap-fit ​​groove.

[0011] Preferably, the top of the snap-fit ​​block is provided with a positioning groove, and the limiting block fits into the positioning groove.

[0012] Preferably, a one-way valve is fixedly installed on the outside of both the pleural effusion drainage tube and the connecting pipe.

[0013] Preferably, the pleural effusion collection bottle has graduation marks on its outer side, and the pleural effusion collection bottle is made of transparent material.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] (1) The pleural effusion aspiration device for thoracic surgery of this utility model can control the aspiration pump to start during the aspiration process and draw out the air inside the pleural effusion aspiration tube through the connecting pipe, thereby creating a negative pressure inside the pleural effusion aspiration tube, allowing pleural effusion to enter the inside of the pleural effusion aspiration tube through the replaceable needle. The connecting rope allows the pleural effusion collection bottle to be suspended by gravity, so that the pleural effusion drainage tube can be in a straight state, which facilitates the flow of liquid and conducts it through the pleural effusion drainage tube to the inside of the pleural effusion collection bottle for collection. The device can continuously aspirate, so that the person will not experience any discomfort.

[0016] (2) The pleural effusion aspiration device for thoracic surgery of this utility model, after the aspiration is completed, press the locking block to let it slide out from the inside of the locking groove and store it in the inside of the storage groove. Rotate the pleural effusion collection bottle to drive the locking block to move. The locking block can easily detach from the inside of the installation groove, and the limiting block can limit the locking block, so that the device can be easily installed and disassembled for the pleural effusion collection bottle. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a three-dimensional structural diagram of a pleural effusion aspiration device for thoracic surgery proposed in this utility model;

[0019] Figure 2 This is a partial three-dimensional structural diagram of a pleural effusion aspiration device for thoracic surgery proposed in this utility model.

[0020] Figure 3 This is a three-dimensional structural diagram of the explosive portion of a pleural effusion extraction device for thoracic surgery proposed in this utility model.

[0021] Figure 4 This is a three-dimensional cross-sectional view of a pleural effusion aspiration device for thoracic surgery proposed in this utility model.

[0022] In the diagram: 1. Thoracic effusion aspiration tube; 2. Handle; 3. Aspiration pump; 4. Connecting tubing; 5. Connecting block; 6. Replaceable needle; 7. Connecting rope; 8. Pleural effusion drainage tube; 9. Connecting frame; 10. Pleural effusion collection bottle; 11. Clamping block; 12. Limiting block; 13. Mounting slot; 14. Storage slot; 15. Spring; 16. Clamping block; 17. Clamping groove; 18. One-way valve. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] refer to Figure 1-4 A thoracic surgical pleural effusion aspiration device includes a thoracic surgical effusion aspiration tube 1. A handle 2 and an aspiration pump 3 are fixedly installed on the top of the thoracic surgical effusion aspiration tube 1. A connecting pipe 4 is fixedly installed at the output end of the aspiration pump 3. The output end of the connecting pipe 4 is fixedly installed on the right side of the thoracic surgical effusion aspiration tube 1. A connecting block 5 is fixedly installed on the left side of the thoracic surgical effusion aspiration tube 1. A replaceable needle 6 is threaded onto the outer side of the connecting block 5. A connecting rope 7 and a pleural effusion drainage tube 8 are fixedly installed at the bottom of the thoracic surgical effusion aspiration tube 1. The replaceable needle 6 is threadedly installed above the connecting block 5, allowing it to be discarded after use, thus improving the device's safety and effectively preventing cross-infection. In a further preferred embodiment, a connecting frame 9 is fixedly installed at the bottom of the pleural effusion drainage tube 8. A pleural effusion collection bottle 10 is located at the bottom of the connecting frame 9, and a locking block 11 is fixedly installed at the top of the pleural effusion collection bottle 10.

[0025] In a further preferred embodiment of this utility model, two limiting blocks 12 are fixedly installed at the bottom of the connecting frame 9, and an installation groove 13 is provided at the bottom of the connecting frame 9. The installation groove 13 and the snap-fit ​​block 11 fit together. The connecting rope 7 allows the pleural effusion collection bottle 10 to be suspended by gravity, so that the pleural effusion drainage tube 8 can be in a straight state, which facilitates the flow of liquid and conducts it through the pleural effusion drainage tube 8 to the inside of the pleural effusion collection bottle 10 for collection. This allows the device to continuously extract fluid without causing discomfort to the person. In a further preferred embodiment of this utility model, a storage groove 14 is provided on the top inner wall of the installation groove 13. Multiple springs 15 are fixedly installed on the top inner wall of the storage groove 14, and multiple snap-fit ​​blocks 16 are fixedly installed on the bottom of the springs 15.

[0026] In a further preferred embodiment of the present invention, the top of the snap-fit ​​block 11 is provided with a snap-fit ​​groove 17, and the snap-fit ​​block 16 fits into the snap-fit ​​groove 17; after extraction, the snap-fit ​​block 16 is pressed to slide out from the inside of the snap-fit ​​groove 17 and stored in the inside of the storage groove 14. Rotating the pleural effusion collection bottle 10 drives the snap-fit ​​block 11 to move, and the snap-fit ​​block 11 can easily detach from the inside of the mounting groove 13, allowing the limiting block 12 to limit the snap-fit ​​block 11, making the device easy to install and remove the pleural effusion collection bottle 10; in a further preferred embodiment of the present invention, the top of the snap-fit ​​block 11 is provided with a positioning groove, and the limiting block 12 fits into the positioning groove.

[0027] In a further preferred embodiment of the present invention, a one-way valve 18 is fixedly installed on the outer side of both the pleural effusion drainage tube 8 and the connecting pipe 4; in a further preferred embodiment of the present invention, a scale mark is provided on the outer side of the pleural effusion collection bottle 10, and the pleural effusion collection bottle 10 is made of transparent material; during the extraction process, the extraction pump 3 can be started, and the air inside the thoracic effusion extraction tube 1 is extracted through the connecting pipe 4, thereby creating a negative pressure inside the thoracic effusion extraction tube 1, allowing the pleural effusion to enter the inner side of the thoracic effusion extraction tube 1 through the replaceable needle 6.

[0028] The implementation principle of the pleural effusion aspiration device for thoracic surgery in this embodiment is as follows: the replaceable needle 6 is installed on the top of the connecting block 5 through a threaded connection, so that the replaceable needle 6 can be discarded after use, making the device highly safe and effectively preventing cross-infection.

[0029] During the extraction process, the extraction pump 3 can be started and the air inside the thoracic effusion extraction tube 1 is extracted through the connecting pipe 4, thereby creating a negative pressure inside the thoracic effusion extraction tube 1. This allows the pleural effusion to enter the inside of the thoracic effusion extraction tube 1 through the replaceable needle 6. The connecting rope 7 allows the pleural effusion collection bottle 10 to be suspended by gravity, so that the pleural effusion drainage tube 8 can be in a straight state, which facilitates the flow of liquid and conducts it through the pleural effusion drainage tube 8 to the inside of the pleural effusion collection bottle 10 for collection. This allows the device to extract continuously without causing discomfort to the personnel.

[0030] After extraction, press the locking block 16 to slide it out from the inside of the locking slot 17 and store it inside the storage slot 14. Rotate the pleural effusion collection bottle 10 to drive the locking block 11 to move. The locking block 11 can easily detach from the inside of the mounting slot 13, allowing the limiting block 12 to limit the locking block 11, making the device easy to install and remove the pleural effusion collection bottle 10.

[0031] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0032] The above provides a detailed description of the pleural effusion aspiration device for thoracic surgery provided by this utility model. Specific embodiments have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that those skilled in the art can make several improvements and modifications to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A pleural effusion extraction device for use in thoracic surgery, characterized in that, include: A thoracic effusion aspiration tube (1) is provided. A handle (2) and an aspiration pump (3) are fixedly installed on the top of the thoracic effusion aspiration tube (1). A connecting pipe (4) is fixedly installed at the output end of the aspiration pump (3). The output end of the connecting pipe (4) is fixedly installed on the right side of the thoracic effusion aspiration tube (1). A connecting block (5) is fixedly installed on the left side of the thoracic effusion aspiration tube (1). A replaceable needle (6) is threaded on the outer side of the connecting block (5). A connecting rope (7) and a pleural effusion drainage tube (8) are fixedly installed at the bottom of the thoracic effusion aspiration tube (1).

2. The pleural effusion extraction device of claim 1, wherein, A connecting frame (9) is fixedly installed at the bottom of the pleural effusion drainage tube (8), a pleural effusion collection bottle (10) is provided at the bottom of the connecting frame (9), and a snap-fit ​​block (11) is fixedly installed at the top of the pleural effusion collection bottle (10).

3. The pleural effusion extraction device of claim 2, wherein, Two limiting blocks (12) are fixedly installed at the bottom of the connecting frame (9), and an installation groove (13) is provided at the bottom of the connecting frame (9), which fits into the snap-fit ​​block (11).

4. The pleural effusion aspiration device for thoracic surgery according to claim 3, characterized in that, The top inner wall of the mounting groove (13) is provided with a storage groove (14), and multiple springs (15) are fixedly installed on the top inner wall of the storage groove (14). Multiple locking blocks (16) are fixedly installed on the bottom of the springs (15).

5. A pleural effusion aspiration device for thoracic surgery according to claim 4, characterized in that, The top of the snap-fit ​​block (11) is provided with a snap-fit ​​groove (17), and the snap-fit ​​block (16) fits into the snap-fit ​​groove (17).

6. The pleural effusion aspiration device for thoracic surgery according to claim 3, characterized in that, The top of the snap-fit ​​block (11) is provided with a positioning groove, and the limiting block (12) fits into the positioning groove.

7. The pleural effusion aspiration device for thoracic surgery according to claim 1, characterized in that, One-way valves (18) are fixedly installed on the outside of the pleural effusion drainage tube (8) and the connecting pipe (4).

8. A pleural effusion aspiration device for thoracic surgery according to claim 2, characterized in that, The pleural effusion collection bottle (10) has graduation marks on its outer side and is made of transparent material.