Anti-blocking abdominal puncture drainage device

By designing an anti-blockage abdominal puncture drainage device, the problem of drainage tube blockage is solved by using an impact hole to clear blockages in the suction hole and an absorption tube to expand the extraction area, thereby reducing the risk of infection and improving treatment effectiveness.

CN224155730UActive Publication Date: 2026-04-24HENGSHUI PEOPLES HOSPITAL (HARISON INT PEACE HOSPITAL)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENGSHUI PEOPLES HOSPITAL (HARISON INT PEACE HOSPITAL)
Filing Date
2024-12-30
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing paracentesis drainage devices are prone to blockage due to blood clotting and tissue debris, which can prevent the fluid from being fully drained and increase the risk of abdominal infection.

Method used

An anti-clogging abdominal paracentesis drainage device was designed, comprising a support tube, a drainage tube, an impact tube, and a water supply assembly. Water sprayed from the impact hole cleans the suction hole, and the suction hose is used to expand the extraction area to ensure unobstructed drainage.

Benefits of technology

Effectively clearing blockages ensures proper functioning of the drainage tube, reduces the risk of abdominal infection, and improves treatment outcomes.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224155730U_ABST
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Abstract

The utility model relates to the technical field of puncture drainage, in particular to an anti-blocking abdominal cavity puncture drainage device. The problem that an existing drainage tube is blocked by impurities in the working process and cannot work normally is solved. Comprising a supporting pipe, the upper side of the supporting pipe is fixedly connected with a connecting shell, the interior of the supporting pipe is slidably connected with a drainage pipe, a pressure detector is arranged in the drainage pipe, one side of the supporting pipe is fixedly connected with a mounting shell, the lower side of the supporting pipe is fixedly connected with an impact pipe, and a water supply assembly is arranged in the mounting shell; the water supply assembly is used for supplying water into the impact pipe. According to the utility model, water sprayed from the impact holes in the impact tube impacts the water absorption holes, so that impurities blocked in the water absorption holes are cleaned, the normal work of the drainage tube is ensured, the abdominal cavity puncture drainage work is smoothly carried out, meanwhile, the abdominal cavity is prevented from becoming a hotbed for bacterial reproduction, and the risk of abdominal cavity infection is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of puncture and drainage technology, and in particular to an anti-blocking abdominal puncture and drainage device. Background Technology

[0002] Paracentesis is a commonly used diagnostic and treatment method in clinical practice, used to remove fluid (such as ascites) or gas from the abdominal cavity to relieve symptoms, diagnose diseases, or treat certain conditions. The procedure is guided by ultrasound or CT scans, using a needle and placing a drainage tube to drain the fluid accumulated in the abdominal cavity.

[0003] During the paracentesis procedure, small blood vessels may be damaged when the drainage tube is inserted, causing blood to enter the tube and clot, leading to blockage. Simultaneously, small tissue fragments (such as fat and fibrous tissue) may be introduced into the drainage tube during the procedure, which can also cause blockage. When the drainage tube is blocked, abdominal fluid (such as ascites and pus) cannot be adequately drained. If the fluid cannot be drained in time, it becomes a breeding ground for bacteria, increasing the risk of abdominal infection and ultimately endangering the patient's health. Utility Model Content

[0004] In order to overcome the shortcomings described in the background art, the present invention provides an anti-blockage abdominal puncture and drainage device.

[0005] The technical solution is as follows: a clog-resistant abdominal paracentesis drainage device, comprising a support tube, a connecting shell fixedly connected to the upper side of the support tube, a drainage tube slidably connected inside the support tube, a pressure detector installed inside the drainage tube, an installation shell fixedly connected to one side of the support tube, an impact tube fixedly connected to the lower side of the support tube, and a water supply assembly installed inside the installation shell for supplying water to the impact tube.

[0006] As an improvement to the above solution, the lower part of the drainage tube is provided with several water suction holes, and the lower side of the drainage tube is provided with circumferentially distributed control plates. The impact tube is sealed and cooperates with all the water suction holes.

[0007] As an improvement to the above solution, a rotating coil is rotatably connected inside the mounting shell, a first elastic element is fixedly connected between the rotating coil and the mounting shell, and a pull rope is fixedly connected between the rotating coil and the drainage tube.

[0008] As an improvement to the above solution, a pressing block is slidably connected to the side of the mounting shell away from the drainage tube, a second elastic element is provided between the pressing block and the mounting shell, and symmetrically distributed extrusion rods are fixedly connected to the pressing block. A locking block is rotatably connected inside the mounting shell, the locking block is in a limiting fit with the drainage tube, and the locking block is in a pressing fit with the extrusion rods.

[0009] As an improvement to the above solution, an electric push rod is installed inside the mounting housing, and the telescopic end of the electric push rod is squeezed into the drainage tube.

[0010] As an improvement to the above solution, the water supply assembly includes a water storage tank, which is installed inside the mounting shell. The water storage tank is fixedly connected to and connected to a connecting pipe. The impact pipe has a transition cavity inside, which is connected to the connecting pipe. The lower side of the impact pipe has a plurality of impact holes, which are connected to the transition cavity.

[0011] As an improvement to the above solution, the impact hole is connected and cooperates with the adjacent water suction hole, the number of the impact hole is the same as the number of the water suction hole at the same height, and the positions of the adjacent two are corresponding.

[0012] As an improvement to the above solution, the diameter of the impact hole is larger than the diameter of the water absorption hole.

[0013] As an improvement to the above solution, it also includes a squeezing tube, which is disposed inside the support tube and located inside the drainage tube. An absorption hose is fixedly connected to the lower side of the squeezing tube, and the absorption hose is squeezed and engaged with all the control plates.

[0014] As an improvement to the above solution, the connecting shell is slidably connected to a sliding button, the sliding button is fixedly connected to an extrusion frame, and the extrusion frame is fixedly connected to the extrusion tube.

[0015] This invention has the following advantages: The water sprayed from the impact hole on the impact tube impacts the suction hole, thereby clearing the impurities blocking the suction hole, ensuring the normal operation of the drainage tube, and thus enabling the abdominal paracentesis drainage to proceed smoothly. At the same time, it prevents the abdominal cavity from becoming a breeding ground for bacteria, thereby reducing the risk of abdominal infection.

[0016] This invention uses an absorbent tube to extend the drainage tube and extracts fluid from the abdominal cavity. By changing the extraction area, the absorbent tube can clean up residual fluid in the abdominal cavity, reducing the amount of residual fluid and improving the treatment effect. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a three-dimensional structural diagram of the connecting shell and the drainage tube of this utility model;

[0019] Figure 3 This is a three-dimensional structural diagram of the pressing block and the extrusion rod of this utility model;

[0020] Figure 4 This is a three-dimensional structural diagram of the rotating coil and pull rope of this utility model;

[0021] Figure 5 This is a three-dimensional structural diagram of the electric push rod of this utility model;

[0022] Figure 6 This is a three-dimensional structural diagram of the water storage tank and connecting pipe of this utility model;

[0023] Figure 7 This is a three-dimensional structural cross-sectional view of the impact tube of this utility model;

[0024] Figure 8 This is a three-dimensional structural cross-sectional view of the drainage tube and impact tube of this utility model;

[0025] Figure 9 This is a three-dimensional sectional view of the drainage tube of this utility model;

[0026] Figure 10 This is a three-dimensional structural cross-sectional view of the support tube of this utility model.

[0027] The labels in the diagram are as follows: 1-Support tube, 2-Connecting shell, 3-Drainage tube, 301-Suction hole, 302-Control plate, 4-Mounting shell, 5-Impact tube, 501-Transition chamber, 502-Impact hole, 21-Rotating roll, 22-Pull rope, 31-Pressing block, 32-Squeezing rod, 33-Clamping block, 41-Electric push rod, 51-Water storage tank, 52-Connecting tube, 61-Squeezing tube, 62-Absorption hose, 71-Sliding button, 72-Squeezing frame. Detailed Implementation

[0028] The above-described solution will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of this application. The implementation conditions used in the embodiments may be further adjusted according to the conditions of specific manufacturers, and the implementation conditions not specified are generally those in routine experiments.

[0029] Example 1: A clog-resistant peritoneal puncture and drainage device, such as Figures 1-4 As shown, it includes a support tube 1, a connecting shell 2 fixedly connected to the upper side of the support tube 1, a drainage tube 3 slidably connected inside the support tube 1, the drainage tube 3 is an existing structure, a suction pump is connected to the outside of the drainage tube 3 to provide power for suctioning fluid from the patient's abdominal cavity, a pressure detector is installed inside the drainage tube 3 to detect the pressure inside the drainage tube 3 to determine whether the drainage tube 3 is blocked, an mounting shell 4 is fixedly connected to the right side of the support tube 1, an impact tube 5 is fixedly connected to the lower side of the support tube 1, the impact tube 5 is used to flush the drainage tube 3, a water supply assembly is installed inside the mounting shell 4 to supply water to the impact tube 5.

[0030] like Figure 7 and Figure 8 As shown, the lower part of the drainage tube 3 is provided with several water suction holes 301, and the lower side of the drainage tube 3 is provided with circumferentially distributed control plates 302. The control plates 302 are rubber plates. Initially, the control plates 302 are in a straight state, and there is a gap between two adjacent control plates 302 to facilitate the liquid on the lower side of the drainage tube 3 to enter the drainage tube 3. The structure of all the control plates 302 is similar to the principle of the "screaming" bottle mouth. The impact tube 5 is sealed and cooperates with all the water suction holes 301. After the drainage tube 3 moves into the impact tube 5, the water suction holes 301 are all blocked by the impact tube 5.

[0031] like Figures 3-5 As shown, a rotating coil 21 is rotatably connected inside the mounting shell 4. A first elastic element, which is a torsion spring, is fixed between the rotating coil 21 and the mounting shell 4. The first elastic element is initially in a charged state and is used to drive the drainage tube 3 to move upward. A pull rope 22 is fixed between the rotating coil 21 and the drainage tube 3. The pull rope 22 is made of a non-stretchable material.

[0032] like Figure 3 and Figure 4 As shown, a pressing block 31 is slidably connected to the right side of the mounting shell 4. A second elastic element, which is a spring, is provided between the pressing block 31 and the mounting shell 4 to drive the pressing block 31 to reset. Two symmetrically distributed extrusion rods 32 are fixedly connected to the pressing block 31, and they are arranged in a front-to-back pattern. A vertical groove is provided on the left side of the extrusion rod 32. A locking block 33 is rotatably connected inside the mounting shell 4. The locking block 33 consists of a straight rod, a wedge-shaped block, and two cylinders. The wedge-shaped block is located on the upper side and is used to limit the drainage tube 3. The two cylinders are located on the lower side of the locking block 33 and are located in the vertical groove of the extrusion rod 32. The locking block 33 is in a limiting fit with the drainage tube 3, and the locking block 33 is in a pressing fit with the extrusion rod 32.

[0033] like Figure 4 and Figure 5 As shown, an electric push rod 41 is installed inside the mounting housing 4. The telescopic end of the electric push rod 41 is initially in the retracted state and is not in contact with the drainage tube 3. The telescopic end of the electric push rod 41 is squeezed and engaged with the drainage tube 3.

[0034] like Figure 3 , Figures 6-8As shown, the water supply assembly includes a water storage tank 51, which contains a water pump for pumping water to a connecting pipe 52. The water storage tank 51 is installed inside the mounting housing 4 and is fixedly connected to and connected to the connecting pipe 52. The impact pipe 5 has a transition cavity 501 inside, which is connected to the connecting pipe 52. Several impact holes 502 are provided on the lower side of the impact pipe 5. The impact holes 502 are connected to the transition cavity 501 and are connected to adjacent suction holes 301. The number of impact holes 502 is the same as the number of suction holes 301 at the same height, and the positions of adjacent holes correspond to each other. This ensures that all suction holes 301 are cleaned during the movement of the suction holes 301. The diameter of the impact holes 502 is larger than the diameter of the suction holes 301, ensuring that the water jet from the impact holes 502 completely covers the suction holes 301, thus improving the cleaning effect of the suction holes 301.

[0035] When a doctor uses this device to perform puncture and drainage on a patient, the doctor holds the support tube 1 and inserts the drainage tube 3 into the chest cavity through the support tube 1. Then, the external suction pump is turned on, and the fluid enters the drainage tube 3 through the suction hole 301 under negative pressure and is drained out of the patient's body.

[0036] During the process of extracting liquid from the drainage tube 3, if impurities in the liquid block the suction hole 301, the amount of liquid entering the drainage tube 3 will decrease, causing a change in the pressure inside the drainage tube 3. At this time, the pressure detector inside the drainage tube 3 will change its value and alert the doctor. After receiving the alert, the doctor will press the pressing block 31 into the mounting shell 4. The pressing block 31 will drive the squeezing rod 32 to move, and at the same time, the second elastic element will begin to compress. The squeezing rod 32 will push the locking block 33, which will begin to deflect and gradually lose contact with the drainage tube 3. When the locking block 33 loses contact with the drainage tube 3, the rotating roller 21 will start to rotate under the action of the first elastic element. The rotating roller 21 will start to wind up the pull rope 22, which will drive the drainage tube 3 to move upward until the drainage tube 3 moves to contact the telescopic end of the electric push rod 41. The drainage tube 3 will then stop moving, and the rotating roller 21 will stop rotating. At this time, the drainage tube 3 will be completely inside the impact tube 5.

[0037] After the drainage tube 3 stops moving, the doctor releases the pressure block 31, the pressure block 31 resets in the second elastic element, and the squeezing rod 32 drives the locking block 33 to reset.

[0038] When the drainage pipe 3 contacts the telescopic end of the electric push rod 41, the electric push rod 41 and the water pump in the water storage tank 51 are turned on at the same time. The water pump in the water storage tank 51 works and pumps the water in the water storage tank 51 into the transition chamber 501 through the connecting pipe 52. Then the water in the transition chamber 501 is sprayed out through the impact hole 502. The water sprayed out of the impact hole 502 impacts the drainage pipe 3.

[0039] After the electric push rod 41 is activated, the telescopic end of the electric push rod 41 drives the drainage tube 3 to move downward, so that the drainage tube 3 gradually extends out of the impact tube 5. During this process, the drainage tube 3 drives the suction hole 301 on it to move synchronously. When the suction hole 301 is aligned with the impact hole 502, the water sprayed from the impact hole 502 cleans the impurities blocking the suction hole 301. During the cleaning process, the external pump is always in working condition, so the drainage tube 3 is always in working condition, so that the drainage tube 3 can simultaneously draw out the fluid in the patient's abdominal cavity and the water discharged from the impact hole 502, thus avoiding the retention of too much water in the patient's abdominal cavity.

[0040] During the downward movement of the drainage tube 3, the drainage tube 3 drives the rotating reel 21 to rotate via the pull rope 22, and the rotating reel 21 releases the pull rope 22. At the same time, the first elastic element gradually stores force. During this process, when the drainage tube 3 comes into contact with the locking block 33, the drainage tube 3 squeezes the locking block 33, causing the locking block 33 to deflect until the drainage tube 3 passes the locking block 33. Then the locking block 33 resets and limits the drainage tube 3 again.

[0041] After the telescopic end of the electric push rod 41 is fully extended, the drainage pipe 3 returns to its initial position. At this time, the telescopic end of the electric push rod 41 begins to retract (the telescopic end of the electric push rod 41 loses contact with the drainage pipe 3), the water pump in the water storage tank 51 stops working, and the water sprayed through the impact hole 502 restores the connection of all the water suction holes 301, and then continues to work. If the water suction holes 301 become blocked again, the above process can be repeated.

[0042] Example 2: Based on Example 1, such as Figure 2 , Figure 3 , Figure 9 and Figure 10 As shown, it also includes a squeezing tube 61, which is a rigid tube with a flexible tube connected to its upper side. The squeezing tube 61 is located inside the support tube 1 and the drainage tube 3. An absorption flexible tube 62 is fixedly connected to the lower side of the squeezing tube 61. The absorption flexible tube 62 is used to absorb residual fluid in the abdominal cavity. The absorption flexible tube 62 is squeezed and engaged with all the control plates 302. When the absorption flexible tube 62 moves downward, it squeezes all the control plates 302 and causes the control plates 302 to deform. A sliding button 71 is slidably connected to the connecting shell 2. The sliding button 71 is fixedly connected to the squeezing frame 72, which is fixedly connected to the squeezing tube 61.

[0043] When the fluid in the patient's abdominal cavity is almost completely drained, a small amount of fluid may remain in a hidden location that cannot be drained. At this time, the doctor pushes the sliding button 71 downwards. The sliding button 71 moves the squeezing frame 72 downwards, which in turn moves the squeezing tube 61 downwards. The squeezing tube 61 moves the absorption tube 62, which simultaneously squeezes all the control plates 302, causing them to deform. The absorption tube 62 passes between all the control plates 302 and extends out of the drainage tube 3. In this way, the residual fluid in the patient's abdominal cavity can be drained through the absorption tube 62. By draining the fluid through the absorption tube 62, the area of ​​drainage is changed, making it easier to drain the fluid in hidden locations in the patient's abdominal cavity and to further clean the residual fluid in the crevices of the abdominal cavity, thus improving the treatment effect. After the drainage is completed, the doctor pushes the sliding button 71 upwards, which moves the absorption tube 62 back to its original position.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present 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 the present utility model should be included within the protection scope of the present utility model.

Claims

1. A clog-resistant peritoneal puncture and drainage device, characterized in that, It includes a support pipe (1), a connecting shell (2) fixedly connected to the upper side of the support pipe (1), a drain pipe (3) slidably connected inside the support pipe (1), a pressure detector is installed inside the drain pipe (3), an installation shell (4) fixedly connected to one side of the support pipe (1), an impact pipe (5) fixedly connected to the lower side of the support pipe (1), and a water supply assembly is installed inside the installation shell (4) for supplying water to the impact pipe (5). The lower part of the drainage pipe (3) is provided with a number of water suction holes (301), and the lower side of the drainage pipe (3) is provided with a circumferentially distributed control plate (302). The impact pipe (5) is sealed and cooperates with all the water suction holes (301). The water supply assembly includes a water storage tank (51), which is installed inside the mounting shell (4). The water storage tank (51) is fixedly connected to and connected to a connecting pipe (52). The impact pipe (5) has a transition cavity (501) inside, which is connected to the connecting pipe (52). The impact pipe (5) has a plurality of impact holes (502) on its lower side, which are connected to the transition cavity (501). The impact hole (502) is connected and cooperates with the adjacent water suction hole (301). The number of impact holes (502) is the same as the number of water suction holes (301) at the same height, and the positions of the two adjacent holes correspond.

2. The anti-blocking abdominal puncture and drainage device according to claim 1, characterized in that, The mounting shell (4) is rotatably connected to a rotating coil (21), and a first elastic element is fixed between the rotating coil (21) and the mounting shell (4). A pull rope (22) is fixed between the rotating coil (21) and the drainage tube (3).

3. The anti-blocking abdominal puncture and drainage device according to claim 2, characterized in that, A pressing block (31) is slidably connected to the side of the mounting shell (4) away from the drainage tube (3). A second elastic element is provided between the pressing block (31) and the mounting shell (4). The pressing block (31) is fixedly connected to symmetrically distributed extrusion rods (32). A locking block (33) is rotatably connected inside the mounting shell (4). The locking block (33) is in a limiting fit with the drainage tube (3), and the locking block (33) is in a pressing fit with the extrusion rods (32).

4. The anti-blocking abdominal puncture and drainage device according to claim 3, characterized in that, An electric push rod (41) is installed inside the mounting housing (4), and the telescopic end of the electric push rod (41) is pressed together with the drainage tube (3).

5. The anti-blocking abdominal puncture and drainage device according to claim 4, characterized in that, The diameter of the impact hole (502) is larger than the diameter of the water absorption hole (301).

6. The anti-blocking abdominal puncture and drainage device according to claim 5, characterized in that, It also includes a squeezing tube (61), which is disposed inside the support tube (1). The squeezing tube (61) is located inside the drainage tube (3). An absorption hose (62) is fixedly connected to the lower side of the squeezing tube (61). The absorption hose (62) is squeezed and engaged with all the control plates (302).

7. The anti-blocking abdominal puncture and drainage device according to claim 6, characterized in that, The connecting shell (2) is slidably connected to a sliding button (71), and the sliding button (71) is fixedly connected to an extrusion frame (72), which is fixedly connected to the extrusion tube (61).