A peritoneal inflammation pleural effusion drainage device

By designing a peritonitis pleural effusion drainage device with flushing structure and flow regulation function, the problem of existing devices being unable to flush and frequent needle insertion is solved, and the immediate flushing and flow rate control after effusion is extracted is achieved, reducing bacterial growth and patient pain.

CN119367625BActive Publication Date: 2025-08-01THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV
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Patent Information

Application Number
CN202411563754.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-08-01
Estimated Expiration
2044-11-05

AI Technical Summary

Technical Problem

The existing effusion drainage devices lack flushing function and cannot effectively reduce bacterial growth in the chest cavity. Frequent needle insertion increases the patient's pain.

Method used

A peritonitis pleural effusion drainage device is designed, including a reservoir tank, puncture needle, drainage tube and flushing structure. The effusion extraction and thoracic effusion are achieved through the connection tube and the operation switching structure, and the flow adjustment structure is set to control the flow rate.

Benefits of technology

It realizes the chest flushing immediately after the effusion is drawn, reduces bacterial growth, avoids repeated injections, reduces patient pain, and regulates flow rate and reduces discomfort symptoms.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention belongs to the technical field of effusion drainage, and provides a peritoneal effusion drainage device for thoracic cavity, including a liquid storage tank and a puncture needle. The puncture needle is connected to the liquid storage tank through a drainage tube. The liquid storage tank is divided into two upper and lower chambers. The lower chamber is divided into a first placement chamber and a second placement chamber arranged left and right. The liquid storage tank is provided with a first connecting tube and a second connecting tube respectively communicating with the first placement chamber and the second placement chamber. A test tube and a flushing structure for extracting antibiotics are respectively connected to the first connecting tube and the second connecting tube. By setting a speed regulating structure, the present invention avoids adverse effects on patients caused by too fast abdominal fluid flow rate; by setting a fixing cylinder, it is convenient to install the end of the drainage tube and the liquid storage bag more firmly, avoiding the liquid storage bag falling off when shaking occurs and causing environmental pollution; by setting a liquid outlet cover, it is convenient for medical staff to quantitatively take out ascites for detection.
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Description

Technical Field

[0001] The present invention relates to the technical field of fluid drainage, and particularly to a peritoneal effusion thoracic cavity drainage device. Background Art

[0002] Peritonitis can cause pleural effusion, and pleural effusion is a common clinical symptom characterized by pathological fluid accumulation in the pleural cavity. The pleural cavity is a potential space between the visceral and parietal pleura. In normal people, there is 5 - 15 ml of fluid in the pleural cavity, which plays a lubricating role during respiratory movement. There is 500 - 1000 ml of fluid formed and absorbed in the pleural cavity every day. Any cause that leads to an increase in fluid production or a decrease in fluid absorption in the pleural cavity can result in pleural effusion. For the pleural effusion disease, the commonly used clinical treatment method is thoracic cavity irrigation. The main purpose is to irrigate the thoracic cavity, reduce the growth of bacteria in the thoracic cavity, conduct pleural effusion culture, and observe the curative effect. However, the existing fluid drainage devices usually only include two parts: a drainage tube and a liquid storage bag. They can only drain ascites by inserting the needle of the drainage tube into the patient's abdominal cavity, without the function of irrigating the thoracic cavity, and cannot reduce the growth of bacteria in the thoracic cavity. If the irrigation purpose is to be achieved, a new needle needs to be inserted, increasing the patient's pain. Summary of the Invention

[0003] In view of the deficiencies of the prior art, the present invention provides a peritoneal effusion thoracic cavity drainage device, which solves the problems raised in the above background art.

[0004] The technical solution of the present invention is as follows:

[0005] A peritoneal effusion thoracic cavity drainage device includes a liquid storage box and a puncture needle. The puncture needle is connected to the liquid storage box through a drainage tube.

[0006] The liquid storage box is divided into upper and lower chambers. The lower chamber is divided into a first placement chamber and a second placement chamber arranged left and right. The liquid storage box is provided with a first connecting tube and a second connecting tube respectively communicating with the first placement chamber and the second placement chamber. A test tube and a flushing structure for extracting antibiotics are respectively connected to the first connecting tube and the second connecting tube.

[0007] The upper ends of the first connecting tube and the second connecting tube are connected to an operation switching structure through a flexible tube. The operation switching structure is provided with a flow rate adjusting structure for adjusting the flow rate of the drainage tube.

[0008] Further, the flushing structure includes a branch tube, a piston cylinder, a worm, a worm gear, a runner, and a piston. One end of the branch tube communicates with the second connecting tube, and the other end of the branch tube communicates with the piston cylinder. The piston moves left and right in the piston cylinder. The outer end of the piston is hinged to a connecting rod at the end of the runner. The runner is rotatably connected to a position deviating from the center of the worm gear. The worm gear is meshed with a vertically arranged worm.

[0009] Further, two one-way valves that open in the same direction are provided on the second connecting pipes on the upper and lower sides of the branch pipe.

[0010] Further, the operation switching structure includes a one-word shell, a plug block slidably connected in the one-word shell, and connecting columns rotatably connected to both ends of the plug block and passing through the one-word shell. A first spring is provided between the two side surfaces of the plug block and the inner side wall of the one-word shell, and a pull ring is fixedly connected to the end of the connecting column.

[0011] Further, openings are provided on both sides of the bottom end of the one-word shell relative to the initial position of the plug block.

[0012] Further, a connecting cylinder is fixedly connected to the upper end of the one-word shell. A connecting plate is fixedly connected in the connecting cylinder. An insertion pipe is provided on the connecting plate, and a flow rate adjusting structure is provided in the connecting cylinder.

[0013] Further, the flow rate adjusting structure includes a stepped plate and a threaded rod. The stepped plate is provided on both sides of the insertion pipe, and a threaded rod penetrating the connecting cylinder is fixedly connected to the outside of the stepped plate.

[0014] Further, an observation window is provided at the position of the liquid storage tank relative to the first placement cavity and the second placement cavity.

[0015] Compared with the prior art, the beneficial effects of the technical solution provided by the present invention are as follows: By providing a flushing structure, the chest cavity can be flushed to reduce the growth of bacteria in the chest cavity; by connecting the first placement cavity and the second placement cavity to the operation switching structure, flushing can be performed after the patient has had the effusion extracted, avoiding repeated needle insertion and reducing the pain of the patient; by providing a connected flow rate adjusting structure on the operation switching structure, the speed of extracting the effusion and the speed of the water flow flushing the chest cavity can be adjusted, reducing the uncomfortable symptoms of the patient. Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of the peritonitis pleural effusion drainage device of the present invention;

[0017] Figure 2 is a schematic cross-sectional view of the liquid storage tank;

[0018] Figure 3 is a partial enlarged view of A;

[0019] Figure 4 is the operation switching structure;

[0020] Figure 5 is a partial enlarged view of B;

[0021] Figure 6 is the flow rate adjusting structure;

[0022] In the figure: 1. Liquid storage tank; 2. Operation switching structure, 201. One-word shell, 202. Plug block, 203. Connecting column, 204. First spring, 205. Pull ring, 206. Opening; 31. Connecting cylinder, 32. Rotating cover, 33. Insertion tube, 34. Flow rate regulating structure, 341. Step plate, 342. Nut, 343. Threaded rod, 344. T-shaped cylinder, 35. Connecting plate; 4. Hose, 5. Drainage tube, 6. Puncture needle, 7. Handle, 8. Observation window, 9. Opening and closing door, 10. Laminated board, 11. Partition board, 12. First placement cavity, 13. Second placement cavity, 14. First connecting pipe, 15. Second connecting pipe, 16. Branch pipe, 17. Piston cylinder, 18. Worm, 19. Worm gear, 20. Runner, 21. Piston, 23. Support base, 24. Connecting hopper, 25. Plug ball, 26. Fourth spring, 27. Third connecting pipe, 28. Test tube, 29. Sealing cover, 30. Water tap. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Refer to Figure 1-6 , a peritoneal effusion drainage device for pleural effusion, comprising a liquid storage tank 1 and a puncture needle 6, wherein the puncture needle 6 is connected to the liquid storage tank 1 through a drainage tube 5.

[0025] Inside the liquid storage tank 1, a horizontally arranged layer board 10 divides it into upper and lower chambers. The chamber on the lower side is divided by a vertically arranged partition board 11 into a first placement chamber 12 and a second placement chamber 13 arranged left and right. The first placement chamber 12 stores the extracted pleural effusion. A water outlet faucet 30 communicating with the first placement chamber 12 is arranged on the side wall of the liquid storage tank 1, facilitating the discharge of the effusion. The second placement chamber 13 stores liquid antibiotics. An observation window 8 is arranged on the front side of the liquid storage tank 1 corresponding to the positions of the first placement chamber 12 and the second placement chamber 13, facilitating observing the heights of the effusion and antibiotics and performing operations in a timely manner. First connecting pipe 14 and second connecting pipe 15 communicating with the first placement chamber 12 and the second placement chamber 13 respectively are arranged on the liquid storage tank 1. Circular holes are arranged on the upper surface of the liquid storage tank 1 corresponding to the layer board 10. The upper ends of the first connecting pipe 14 and the second connecting pipe 15 are fixed to the opening of the liquid storage tank 1. The bottom end of the first connecting pipe 14 passes through the layer board 10 through the corresponding opening on the layer board 10 and slightly protrudes from the lower side of the layer board 10. The lower end of the second connecting pipe 15 extends into the second placement chamber 13 through the corresponding opening on the layer board 10, and the lower end of the second connecting pipe 15 extends to the bottom wall of the second placement chamber 13; when in the unused state, normal saline can be added into the first placement chamber 12 through the first connecting pipe 14 for flushing. An opening for adding antibiotics is arranged at the position of the liquid storage tank 1 corresponding to the second placement chamber 13, and a sealing plug is arranged at the opening; when in the use state, the pleural effusion is drained into the first connecting pipe 14 through a puncture needle and a drainage tube, and the second connecting pipe 15 extracts antibiotics to flush the chest cavity; in order to ensure that the gas in the first placement chamber 12 and the second placement chamber 13 can be discharged during the process of extracting the effusion and flushing the chest cavity, achieving a smooth use effect, ventilation holes are arranged at the positions of the layer board 10 corresponding to the first placement chamber 12 and the second placement chamber 13, and ventilation holes are also arranged on the side walls of the liquid storage tank 1 corresponding to the first placement chamber 12 and the second placement chamber 13 on the upper side of the layer board 10. A waterproof breathable membrane covers the ventilation holes; in order to prevent the extracted effusion from flowing back, a switchable sealing cover 29 is hinged at the bottom end of the first connecting pipe 14. The sealing cover 29 adopts an eccentric structure and seals by using the principle of gravity eccentricity, such as the floor drain structure in the prior art; A test tube 28 and a flushing structure for extracting antibiotics are respectively connected to the first connecting pipe 14 and the second connecting pipe 15. A placement plate fixed to the side wall of the liquid storage tank 1 is arranged on the left side of the first connecting pipe 14. A number of holes for placing the test tube 28 are arranged on the placement plate. The upper end of the test tube 28 is threadedly connected with a test tube cap. The middle position of the upper surface of the test tube cap is a covered film. A plug is inserted into the film. A number of plugs are connected in parallel. A number of capillary through holes are arranged at the end of the plug. The effusion will not flow out from the plug when not connected to the test tube 28; during the process of draining the pleural effusion, the plug is inserted into the test tube 28 with a negative pressure inside, and the effusion automatically flows into the test tube 28;An opening and closing door is provided at the position of the liquid storage tank 1 relative to the test tube 28; the plug and the first connecting pipe 14 are connected through the third connecting pipe 27. By connecting the test tube 28 to the first connecting pipe 14, it is convenient for medical staff to collect and test pleural effusion; by setting a flushing structure, after the pleural effusion is extracted, the affected part of the patient can be flushed in time to reduce the growth of bacteria in the chest cavity;

[0026] The upper ends of the first connecting pipe 14 and the second connecting pipe 15 are connected to the operation switching structure 2 through a hose 4; a flow rate adjusting structure 34 for adjusting the flow rate of the drainage pipe 5 is provided on the operation switching structure 2; by connecting the first placement cavity 12 and the second placement cavity 13 to the operation switching structure 2, flushing can be carried out after the patient's effusion is extracted, avoiding repeated needle insertion and reducing the patient's pain; by providing a connected flow rate adjusting structure 34 on the operation switching structure 2, the speed of extracting effusion and the speed of the water flow flushing the chest cavity can be adjusted to reduce the patient's uncomfortable symptoms.

[0027] As Figure 2 shown, the flushing structure includes a branch pipe 16, a piston cylinder 17, a worm 18, a worm gear 19, a runner 20, a piston 21 and a second spring 22. One end of the branch pipe 16 is communicated with the second connecting pipe 15, and the other end of the branch pipe 16 is fixedly connected to the piston cylinder 17 communicated therewith. The piston 21 moves left and right in the piston cylinder 17. The outer end of the piston 21 is hinged to the connecting rod at the end of the runner 20. The runner 20 is rotatably connected to a position deviating from the center of the worm gear 19. The worm gear 19 is meshed with a vertically arranged worm 18;

[0028]

[0029] ​Specifically, the tapered branch pipe 16 is fixedly connected to the side wall of the second connecting pipe 15 located above the laminar plate 10. An insertion hole is provided on the left side of the tapered piston cylinder 17 for fixing one side of the branch pipe 16. The connecting rod provided on the left side of the runner 20 is hinged to the right end of the tapered piston 21. The center of the runner 20 is rotationally connected to the eccentric side of the worm gear 19 through a shaft (i.e., the rotating shaft is fixed at a position with a certain distance from the center of the worm gear 19). The worm gear 19 is rotationally connected to the connecting shaft on the side wall of the liquid storage tank 1. The upper and lower ends of the worm 18 are rotationally connected to the support seats 23 on the top wall of the liquid storage tank 1 and the upper surface of the laminar plate 10. A handle 7 penetrating the upper surface of the liquid storage tank 1 is provided on the worm 18.

[0030] Rotate the handle 7, the worm 18 drives the worm gear 19 to mesh and rotate. The worm gear 19 simultaneously drives the runner 20 to rotate, and the connecting rod pushes the piston 21 to move left and right. When sucking antibiotics, when the piston 21 moves to the right, the space inside the cavity of the piston cylinder 17 becomes larger, generating negative pressure. The blocking ball 25 of the lower one-way valve is sucked up, and at the same time the lower fourth spring 26 is compressed. Thus, the lower connecting hopper 24 is in an open state, while the upper fourth spring 26 remains unchanged and the connecting hopper 24 is in a closed state. The piston 21 continues to move to the right, and the liquid antibiotic in the second placement cavity 13 is sucked into the space of the second connecting pipe 15 between the two one-way valves. Some liquid antibiotic enters the left space of the piston cylinder 17. Then rotate the handle 7 in the reverse direction, the piston 21 moves to the left side of the piston cylinder 17. Thus, the left space of the piston cylinder 17 is squeezed, and the space of the left side of the piston cylinder 17 and the space of the second connecting pipe 15 between the two one-way valves are squeezed. Under the action of pressure and the lower fourth spring 26, the lower blocking ball 25 moves downward to block the lower connecting hopper 24. At the same time, the upper blocking ball 25 is lifted up, the upper fourth spring 26 is compressed, and the upper connecting hopper 24 is opened. The antibiotic is pressed out by the piston 21 and enters the drainage tube 5. During the continuous forward and reverse rotation of the handle 7, the liquid antibiotic in the second placement cavity 13 is continuously pressed into the drainage tube 5 and finally enters the thoracic cavity through the puncture needle 6.

[0031] As Figure 4 As shown, the operation switching structure 2 includes a one-word shell 201, a blocking block 202 slidably connected inside the one-word shell 201, and connecting columns 203 rotatably connected to both ends of the blocking block 202 and penetrating the one-word shell 201. First springs 204 are provided between the two side surfaces of the blocking block 202 and the inner side wall of the one-word shell 201. A pull ring 205 is fixedly connected to the end of the connecting column 203.

[0032] Specifically, the one-piece shell 201 is in a horizontal state. The length of the plug 202 is one-third of the inner cavity length of the one-piece shell 201. In the initial state, the plug 202 is in the middle position, and the openings 206 are located on both sides of the plug 202. When the plug 202 moves to the left or right, one of the openings 206 is blocked, and the other opening 206 is in an open state. The length of the connecting column 203 is twice the length of the plug 202. An external thread is provided at one end of the connecting column 203 close to the plug 202. An internal thread meshing with the external thread on the connecting column 203 is provided on the inner wall of the through hole in the one-piece shell 201 through which the connecting column 203 passes. It can be understood that the diameter of the through hole is larger than the diameter of the connecting column 203, and the outer diameter of the external thread on the connecting column 203 matches the through hole. When the plug 202 is moved to one end of the one-piece shell 201 by pulling the connecting column 203, the corresponding connecting column 203 can be threadedly connected to the one-piece shell 201 by rotating the connecting column 203 to fix the plug 202.

[0033] When it is necessary to adjust the communication between the one-piece shell 201 and the first placement cavity 12, draw out the pleural effusion, push the left connecting column 203 (or pull the right connecting column 203) to move the plug 202 to the right until it cannot be pushed any further. The right opening is in a closed state, and then rotate the right connecting column 203 to fix it in the through hole. When it is necessary to adjust the communication between the one-piece shell 201 and the second placement cavity 13, the operation of drawing out the antibiotic is opposite to the above operation.

[0034] As Figure 4 and Figure 5 As shown in the figure, a connecting cylinder 31 is fixedly connected to the upper end of the one-piece shell 201. The one-piece shell 201 is communicated with the connecting cylinder 31. A connecting plate 35 is fixedly connected in the connecting cylinder 31. The connecting plate 35 is oblate. An intubation tube 33 is provided on the connecting plate 35. The inner diameter of the intubation tube 33 is the same as the outer diameter of the drainage tube 5. In order to prevent impurities from entering the connecting plate 35, a rotating cover 32 is provided at the upper end of the connecting cylinder 31. The position where the rotating cover 32 abuts against the connecting cylinder 31 is connected by a rotating shaft. A round hole with the same diameter as the drainage tube 5 is provided on the upper surface of the rotating cover 32 for the drainage tube 5 to pass through. A flow rate adjustment structure 34 is provided in the connecting cylinder 31. By providing a connected flow rate adjustment structure 34 on the operation switching structure 2, the speed of drawing out the effusion and the speed of flushing the thoracic cavity with water can be adjusted, reducing the uncomfortable symptoms of the patient.

[0035] As Figure 6 As shown in the figure, the flow rate adjustment structure 34 includes a stepped plate 341, a threaded rod 343 and a nut 342. The stepped plate 341 is arranged on both sides of the intubation tube 33. The outer side of the stepped plate 341 is fixedly connected with a threaded rod 343 penetrating through the connecting cylinder 31.

[0036] Specifically, the number of the stepped plates 341, the threaded rods 343 and the nuts 342 is two. The two stepped plates 341 are symmetrically arranged on both sides of the insertion tube 33. The stepped plate 341 includes a first vertical plate portion, a transverse plate portion and a second vertical plate portion. The lower end of the first vertical plate portion is fixed to one end of the transverse plate portion, and the upper end of the second vertical plate portion is fixed to the other end of the transverse plate portion. The transverse plate portion is located above the upper port of the insertion tube 33, and the second vertical plate portion is located on both sides of the insertion tube 33. When the second vertical plate portion abuts against the outer side wall of the insertion tube 33, the two first vertical plate portions abut against each other. At this time, the drainage tube 5 is squeezed by the two first vertical plate portions and approaches the closed state.

[0037] Specifically, a T-shaped tube 344 is fixed to the outer side wall of the connecting tube 31. The nut 342 is rotatably connected to the T-shaped tube 344. The end of the threaded rod 343 passes through the side wall of the connecting tube 31 and the T-shaped tube 344 to connect to the connecting tube 3. The threaded rod 343 is in smooth contact with the connecting tube 31 and the T-shaped tube 344, and the nut 342 is threadedly connected to the threaded rod 343. To ensure that when the nut 342 is rotated, the threaded rod 343 moves horizontally along the direction perpendicular to the side wall of the connecting tube 31, a strip-shaped groove is formed on the outer side wall of the threaded rod 343 along its length direction. A convex block capable of being embedded in the strip-shaped groove is arranged on the inner side wall of the through hole of the connecting tube 31 for the threaded rod 343 to pass through or on the inner side wall of the T-shaped tube 344. Thus, the circumferential limit of the threaded rod 343 is carried out through the cooperation of the convex block and the strip-shaped groove, preventing the threaded rod 343 from rotating and being unable to move horizontally when the nut 342 is rotated.

[0038] In the initial state, the upper first vertical plate portion does not contact the drainage tube 5 and does not exert extrusion on the drainage tube 5. At this time, the flow rate in the drainage tube 5 is the largest. By rotating the two nuts 342 to drive the two threaded rods 343 to move towards each other, the two stepped plates 341 move towards each other, and the distance between the two stepped plates 341 gradually becomes smaller. The drainage tube 5 is squeezed and the internal flow rate becomes smaller and smaller. When the nuts 342 on both sides cannot be rotated, the drainage tube 5 is completely closed. When it is necessary to increase the flow rate of the drainage tube 5, only need to rotate the two nuts 342 in the reverse direction.

[0039] The working process of a peritoneal inflammation pleural effusion drainage device provided by the present invention is as follows:

[0040] Before work: Open the opening and closing door 9 and insert the test tube 28; Pour antibiotics into the second placement cavity 13; Connect and assemble each part through the hose 4 and the drainage tube 5.

[0041] When extracting pleural effusion, pinch the left pull ring 205 with fingers and push it to the right until it cannot be pushed any further. Rotate the connecting column 203 to fix it with the thread fit in the through hole. At this time, the first placement cavity 12 is communicated with the puncture needle 6. According to the patient's reaction, adjust the flow regulating structure 34, and observe the effusion in the first placement cavity 12 at all times during the extraction process;

[0042] After the extraction is completed, rinse and disinfect the chest cavity. Pinch the right pull ring 205 with fingers and push it to the left until it cannot be pushed any further. Rotate the connecting column 203 to fix it with the thread fit in the through hole. At this time, the second placement cavity 13 is communicated with the puncture needle 6. Rotate the handle 7 to draw antibiotics into the puncture needle 6, and adjust the flow regulating structure 34 according to the patient's reaction.

[0043] As mentioned above, it is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A peritoneal effusion thoracic cavity drainage device, comprising a liquid storage tank (1) and a puncture needle (6), wherein the puncture needle (6) is connected to the liquid storage tank (1) through a drainage tube (5), and is characterized in that: The liquid storage tank (1) is divided into upper and lower chambers. The chamber on the lower side is divided into a first placement chamber (12) and a second placement chamber (13) arranged left and right. The liquid storage tank (1) is provided with a first connecting tube (14) and a second connecting tube (15) respectively communicating with the first placement chamber (12) and the second placement chamber (13). A test tube (28) and a flushing structure for extracting antibiotics are respectively connected to the first connecting tube (14) and the second connecting tube (15); The upper ends of the first connecting tube (14) and the second connecting tube (15) are connected to an operation switching structure (2) through a flexible tube (4); a flow rate adjusting structure (34) for adjusting the flow rate of the drainage tube (5) is provided on the operation switching structure (2); The flushing structure includes a branch tube (16), a piston cylinder (17), a worm (18), a worm gear (19), a runner (20) and a piston (21). One end of the branch tube (16) communicates with the second connecting tube (15), and the other end of the branch tube (16) communicates with the piston cylinder (17). The piston (21) moves left and right in the piston cylinder (17). The outer end of the piston (21) is hinged to a connecting rod at the end of the runner (20). The runner (20) is rotatably connected to a position deviating from the center of the worm gear (19). The worm gear (19) is meshed with a vertically arranged worm (18); The operation switching structure (2) includes a one-word shell (201), a plug block (202) slidably connected in the one-word shell (201), and connecting columns (203) rotatably connected to both ends of the plug block (202) and penetrating through the one-word shell (201). A first spring (204) is arranged between the two side surfaces of the plug block (202) and the inner side wall of the one-word shell (201). A pull ring (205) is fixedly connected to the end of the connecting column (203); The upper end of the one-word shell (201) is fixedly connected with a connecting cylinder (31). A connecting plate (35) is fixedly connected in the connecting cylinder (31). An insertion tube (33) is arranged on the connecting plate (35). A flow rate adjusting structure (34) is arranged in the connecting cylinder (31).

2. The peritoneal effusion drainage device according to claim 1, wherein: Two one-way valves opening in the same direction are arranged on the second connecting tube (15) on the upper and lower sides of the branch tube (16).

3. The peritoneal inflammation pleural effusion drainage device according to claim 1, wherein: Openings (206) are arranged on both sides of the bottom end of the one-word shell (201) relative to the initial position of the plug block (202).

4. The peritonitis pleural effusion drainage device according to claim 1, characterized in that: The flow rate adjusting structure (34) includes a stepped plate (341) and a threaded rod (343). The stepped plate (341) is arranged on both sides of the insertion tube (33). The outer side of the stepped plate (341) is fixedly connected with a threaded rod (343) penetrating through the connecting cylinder (31).

5. The peritoneal inflammation pleural effusion drainage device according to claim 1, characterized in that: Observation windows (8) are arranged at the positions of the liquid storage tank (1) relative to the first placement chamber (12) and the second placement chamber (13).

Citation Information

Patent Citations

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    CN113332504A

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