A speed regulating switch for peritoneal cavity drainage
By designing a speed-adjustable switch for abdominal drainage, the problem of uncontrollable drainage speed was solved, enabling flexible adjustment of the drainage speed, avoiding complications, and improving treatment effectiveness and patient comfort.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QILU HOSPITAL(QINGDAO) CHEELOO COLLEGE OF MEDICINE SHANDONG UNIV
- Filing Date
- 2024-12-30
- Publication Date
- 2026-07-24
Smart Images

Figure CN224540657U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical auxiliary device technology, specifically to a speed control switch for abdominal drainage. Background Technology
[0002] Abdominal drainage is a commonly used surgical technique primarily used to drain fluids such as effusion, hemoptysis, and pus from the abdominal cavity through a drainage tube, achieving effective treatment and diagnostic purposes. Abdominal drainage is suitable for patients after abdominal surgery, patients with peritonitis, patients with cysts and tumors, patients with digestive system diseases, and patients with cirrhosis accompanied by massive ascites. Through abdominal drainage, doctors can observe pathological changes within the abdominal cavity in real time, adjust treatment plans promptly, thereby improving treatment outcomes and ensuring patient safety.
[0003] In clinical practice, when performing abdominal drainage, one end of an abdominal drainage tube is typically placed inside the patient's abdominal cavity for drainage, and the other end is connected to a drainage bag to collect the drained fluid. The problem is that the drainage rate cannot be controlled during abdominal drainage. For patients with severe fluid accumulation, excessively rapid drainage can cause a sudden drop in intra-abdominal pressure, potentially leading to serious complications such as pulmonary edema and hypotension. For patients requiring precise control of drainage volume to improve treatment effectiveness, doctors cannot flexibly adjust the drainage rate based on the patient's real-time condition, thus affecting treatment outcomes. Furthermore, excessively rapid drainage can exacerbate pain in pain-sensitive patients, making it difficult for doctors to adjust the drainage rate according to the patient's pain tolerance, causing unnecessary suffering.
[0004] Existing drainage tubes are equipped with connecting heads and drainage bags at both ends. The connecting heads are designed to connect tightly to the output port of a medical device or the drainage site within the patient's body to ensure unobstructed flow of drainage fluid into the tube. The drainage bag is connected to the other end of the tube and its main function is to collect and store the fluid drained from the patient. However, conventional speed control switches, due to structural limitations, cannot pass through both ends of the drainage tube and therefore cannot be directly fitted onto it for use.
[0005] Therefore, how to design a speed control switch for abdominal drainage suitable for the above-mentioned special patient groups is a technical problem that has not yet been solved in the existing technology. Utility Model Content
[0006] Therefore, the technical problem to be solved by this utility model is to overcome the technical defects in the prior art, which are that excessively rapid drainage can easily lead to a decrease in the patient's abdominal pressure, inducing complications such as pulmonary edema and hypotension; and that precise control is difficult, affecting the therapeutic effect. Thus, this invention provides a speed control switch for abdominal drainage that is suitable for a special patient group.
[0007] Therefore, this utility model provides a speed control switch for abdominal drainage, comprising: The switch body has a placement groove in the middle that extends through both ends along the axis and opens on one side. The placement groove is suitable for being snapped and fixed with a drainage tube. The top of the switch body has a receiving cavity in the middle that communicates with the placement groove, and a long strip opening in the top surface that communicates with the receiving cavity. The speed-regulating roller is movably installed inside the accommodating cavity and can rotate along the accommodating cavity to gradually increase or decrease the squeezing of the drainage tube, thereby adjusting the flow rate of the accumulated fluid in the drainage tube.
[0008] As a preferred technical solution, the switch body includes a first part and a second part integrally formed below the first part, with the placement groove formed between the first part and the second part.
[0009] As a preferred technical solution, the height of the first part gradually decreases from one end to the other, and slides with gradually decreasing heights from one end to the other and communicating with the accommodating cavity are opened on both sides. The speed-regulating roller has a roller through hole, and the roller shaft passes through the roller through hole, with both ends movably installed in the slide rails on both sides.
[0010] As a preferred technical solution, a limiting groove is provided on the top surface of the second part, which is opposite to the accommodating cavity; a limiting roller is fixedly provided on one side of the speed regulating roller, the limiting roller is vertically opposite to the limiting groove, and its diameter is larger than that of the speed regulating roller.
[0011] As a preferred technical solution, a first limiting flange is integrally formed on the inner bottom wall of both ends of the first part, and a second limiting flange is integrally formed on the inner top wall of both ends of the second part, opposite to the first limiting flange. The distance between the first limiting flange and the second limiting flange gradually decreases from the outside to the inside.
[0012] As a preferred technical solution, the inner sides of the first limiting flange and the second limiting flange are respectively connected to the annular snap-fit hole.
[0013] As a preferred technical solution, the inner diameter of the annular card through hole is equal to the outer diameter of the drainage tube.
[0014] As a preferred technical solution, roller limiting rings are fixedly connected to both ends of the roller.
[0015] As a preferred technical solution, the outer circumferential wall of the speed-regulating roller is provided with anti-slip texture.
[0016] As a preferred technical solution, the outer circumferential wall of the limiting roller is provided with anti-slip texture.
[0017] The technical solution provided by this utility model has the following advantages: This utility model relates to a speed-regulating switch for abdominal drainage, comprising a switch body and a speed-regulating roller; wherein, the switch body has a placement groove extending axially through both ends and opening on one side in the middle, the placement groove being suitable for engaging and fixing with a drainage tube; a receiving cavity communicating with the placement groove is provided in the middle of the top of the switch body, and an elongated opening communicating with the receiving cavity is provided on the top surface; the speed-regulating roller is movably installed in the receiving cavity and can rotate along the receiving cavity to gradually increase or decrease the squeezing of the drainage tube, thereby adjusting the flow rate of the fluid accumulated in the drainage tube.
[0018] When used for patients undergoing abdominal drainage, the switch body is first fitted onto the drainage tube. During drainage, the speed-adjusting roller is moved within the accommodating cavity according to the patient's specific needs, gradually adjusting the pressure on the drainage tube to control the flow rate of the accumulated fluid. During drainage, the operator must continuously observe and adjust the flow rate as needed to ensure treatment effectiveness and patient comfort. After drainage, the switch body can be removed from the drainage tube. This speed-adjusting switch allows for flexible adjustment of the drainage speed according to the patient's requirements, avoiding complications caused by improper flow rate, improving treatment effectiveness, and reducing patient pain. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the prior art or specific embodiments of this utility model, the accompanying drawings used in the description of the prior art or specific embodiments are briefly introduced below.
[0020] Figure 1 This is a schematic diagram of the overall structure of the speed control switch for abdominal drainage according to this utility model.
[0021] Figure 2 yes Figure 1 Another stereoscopic view.
[0022] Figure 3 yes Figure 1 Another stereoscopic view.
[0023] Figure 4 yes Figure 1 A sectional view.
[0024] Figure 5 yes Figure 1 A schematic diagram of the explosion structure.
[0025] Reference numerals in the attached drawings: 1. Switch body; 11. Placement groove; 12. Receiving cavity; 13. Long strip opening; 14. First part; 15. Second part; 16. Slide rail; 17. Limiting groove; 18. First limiting flange; 19. Second limiting flange; 20. Annular snap-fit through hole; 2. Speed regulating roller; 21. Roller through hole; 22. Limiting roller; 3. Roller shaft; 31. Roller limiting ring. Detailed Implementation
[0026] To enable those skilled in the art to better understand this solution, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this application.
[0027] It should be noted that the terms "first," "second," etc., in the claims and specification of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such as a process, method, system, product, or device that includes a series of steps or units, not limited to those steps or units explicitly listed, but may also include other steps or units not explicitly listed or inherent to these processes, methods, products, or devices.
[0028] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better description of this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation. Furthermore, some of the above terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances. In addition, the term "multiple" should mean two or more. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.
[0029] The present application will now be described in detail with reference to the accompanying drawings and embodiments.
[0030] This embodiment provides a speed control switch for abdominal drainage, such as... Figure 1-5As shown, it includes: a switch body 1 and a speed regulating roller 2; wherein, the switch body 1 has a placement groove 11 extending axially through both ends and open on one side in the middle, the placement groove 11 being adapted to be snapped and fixed with a drainage tube; the top of the switch body 1 has a receiving cavity 12 communicating with the placement groove 11 in the middle, and a long strip opening 13 communicating with the receiving cavity 12 is opened on the top surface; the speed regulating roller 2 is movably installed in the receiving cavity 12 and can rotate along the receiving cavity 12 to gradually increase or decrease the squeezing of the drainage tube, thereby adjusting the flow rate of the liquid accumulated in the drainage tube.
[0031] When using the abdominal drainage speed control switch of this embodiment, the switch body 1 is first fitted onto the drainage tube. During drainage, according to the patient's specific needs, the speed control roller 2 is moved within the receiving cavity 12 to gradually adjust the degree of compression on the drainage tube, thereby controlling the flow rate of the fluid in the drainage tube. During drainage, the operator needs to continuously observe and adjust the flow rate as needed to ensure the effectiveness of the treatment and the patient's comfort. After drainage is completed, the switch body 1 can be removed from the drainage tube. The speed control switch of this embodiment can be flexibly adjusted according to the drainage speed required by the patient, avoiding complications caused by improper flow rate, improving the treatment effect, and reducing the patient's pain.
[0032] like Figure 1 and Figure 4 As shown, the switch body 1 includes a first part 14 and a second part 15 integrally formed below the first part 14, with the placement groove 11 formed between the first part 14 and the second part 15. The placement groove 11 allows the speed control switch to be easily fitted onto the drain pipe without complicated installation steps.
[0033] like Figure 1 and Figure 2 As shown, the height of the first part 14 gradually decreases from one end to the other, and slides 16 with gradually decreasing heights from one end to the other and communicating with the accommodating cavity 12 are provided on both sides; the speed-regulating roller 2 has a roller through hole 21, and the roller 3 passes through the roller through hole 21, with both ends movably installed in the slides 16 on both sides. During the movement, the speed-regulating roller 2 can adjust the degree of compression on the drainage tube according to the slope change of the slide 16, thereby realizing the control of the flow rate of the drainage tube.
[0034] like Figure 1 and Figure 4As shown, a limiting groove 17 opposite to the receiving cavity 12 is formed on the top surface of the second part 15; a limiting roller 22 is fixedly provided on one side of the speed regulating roller 2, the limiting roller 22 is vertically opposite to the limiting groove 17, and its diameter is larger than that of the speed regulating roller 2. When the speed regulating roller 2 is pressed on the drainage tube, the limiting roller 22 can enter the limiting groove 17, thereby limiting the position of the drainage tube and preventing the drainage tube from deviating during the drainage process, which would cause the speed to run out of control.
[0035] like Figure 1 and Figure 2 As shown, first limiting flanges 18 are integrally formed on the inner bottom walls at both ends of the first part 14, and second limiting flanges 19 are integrally formed on the inner top walls at both ends of the second part 15, opposite to the first limiting flanges 18. The distance between the first limiting flanges 18 and the second limiting flanges 19 gradually decreases from the outside to the inside. By varying the distance between the two limiting flanges, the drainage tube can be firmly fixed in the predetermined position, thereby improving the stability and safety of the drainage process.
[0036] like Figure 1 and Figure 2 As shown, the inner sides of the first limiting flange 18 and the second limiting flange 19 are respectively connected to the annular snap-fit through hole 20. The inner diameter of the annular snap-fit through hole 20 is equal to the outer diameter of the drainage tube. The annular snap-fit through hole 20 can be matched and snapped into the drainage tube, thereby firmly fixing the switch body 1 to the drainage tube.
[0037] like Figure 1 and Figure 5 As shown, roller limiting rings 31 are fixedly connected to both ends of the roller 3. The roller limiting rings 31 can limit the roller 3 within the slide rail 16 to prevent slippage.
[0038] like Figures 1 to 5 As shown, the speed-regulating roller 2 has anti-slip textures on its outer circumference. The anti-slip textures on the outer circumference of the speed-regulating roller 2 increase the friction between the roller 2 and the drainage tube, preventing the roller 2 from slipping out of position.
[0039] like Figures 1 to 5 As shown, the outer circumferential wall of the limiting roller 22 is provided with anti-slip texture, which helps the operator to control the limiting roller 22 more stably during use.
[0040] The speed control switch for abdominal drainage in this embodiment is used as follows: When using the abdominal drainage speed control switch of this embodiment, first, place the switch body 1 onto the drainage tube and secure the drainage tube within the annular locking hole 20. After securing, according to the patient's specific needs, push the speed control roller 2 to move within the receiving cavity 12 (the limiting roller 22 will gradually sink into the limiting groove 17 as the speed control roller 2 moves, thus limiting the position of the drainage tube), gradually adjusting its pressure on the drainage tube to control the flow rate of the fluid within the drainage tube. During the drainage process, the operator needs to continuously observe and adjust the flow rate as needed to ensure the effectiveness of the treatment and the patient's comfort. After the drainage is completed, simply remove the switch body 1 from the drainage tube.
[0041] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this innovative technical solution.
Claims
1. A speed control switch for abdominal drainage, characterized in that, include: The switch body (1) has a placement groove (11) in the middle that runs through both ends along the axial direction and is open on one side. The placement groove (11) is suitable for being snapped and fixed with the drainage tube. The top of the switch body (1) has a receiving cavity (12) that communicates with the placement groove (11) in the middle, and a long strip opening (13) that communicates with the receiving cavity (12) is opened on the top surface. Speed-regulating roller (2) is movably installed in the accommodating cavity (12) and can rotate along the accommodating cavity (12) to gradually increase or decrease the squeezing of the drainage tube, thereby adjusting the flow rate of the liquid accumulated in the drainage tube; The switch body (1) includes a first part (14) and a second part (15) integrally formed below the first part (14), with the placement groove (11) formed between the first part (14) and the second part (15). The first part (14) has a first limiting flange (18) integrally formed on the inner bottom wall at both ends, and the second part (15) has a second limiting flange (19) integrally formed on the inner top wall at both ends opposite to the first limiting flange (18). The distance between the first limiting flange (18) and the second limiting flange (19) gradually decreases from the outside to the inside. The inner sides of the first limiting flange (18) and the second limiting flange (19) are respectively connected to the annular snap-fit hole (20). The inner diameter of the annular card through hole (20) is equal to the outer diameter of the drainage tube.
2. The speed control switch for abdominal drainage according to claim 1, characterized in that: The height of the first part (14) gradually decreases from one end to the other end, and slides (16) with gradually decreasing heights from one end to the other end and communicating with the accommodating cavity (12) are provided on both sides. The speed-regulating roller (2) has a roller through hole (21), and the roller (3) passes through the roller through hole (21) and is movably installed at both ends in the slide rails (16) on both sides.
3. The speed control switch for abdominal drainage according to claim 1, characterized in that: The second part (15) has a limiting groove (17) on its top surface that is opposite to the accommodating cavity (12); a limiting roller (22) is fixedly provided on one side of the speed regulating roller (2), the limiting roller (22) is vertically opposite to the limiting groove (17), and its diameter is larger than that of the speed regulating roller (2).
4. The speed control switch for abdominal drainage according to claim 2, characterized in that: Roller limiting rings (31) are fixedly connected to both ends of the roller (3).
5. The speed control switch for abdominal drainage according to claim 1, characterized in that: The speed-regulating roller (2) has an anti-slip texture on its outer circumference.
6. The speed control switch for abdominal drainage according to claim 3, characterized in that: The outer circumferential wall of the limiting roller (22) is provided with anti-slip texture.