Anti-reflux and anti-infection abdominal wall urine collection device
By using a threaded, retractable connecting tube coated with an antibacterial layer and an anti-reflux device in the abdominal wall urine collection device, the problem of urinary tract infection that is difficult to avoid with traditional devices is solved, achieving antibacterial and comfortable urine discharge, and reducing postoperative discomfort symptoms.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-23
- Publication Date
- 2026-04-14
AI Technical Summary
Traditional abdominal wall urine collection devices are difficult to prevent postoperative urinary tract infections in patients, leading to symptoms such as recurrent fever, back pain, nausea, and vomiting.
An anti-reflux and anti-infection abdominal wall urine collection device was designed. It uses a threaded, telescopic, and flexible connecting tube with an antibacterial coating on the inner wall. An anti-reflux device is set at the connection between the connecting tube and the drainage device. Combined with an extension tube and a control device, it can realize unidirectional urine discharge and antibacterial function.
It effectively reduced the incidence of postoperative urinary tract infections, reduced patient discomfort, and improved the device's antibacterial capabilities and user comfort.
Smart Images

Figure CN121845829A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of wearable medical device technology, and in particular to an abdominal wall urine collection device that is anti-reflux and anti-infection. Background Technology
[0002] With societal development and rising living standards, more and more people are paying attention to their health. For muscle-invasive bladder cancer, surgical treatment is the primary approach, typically involving radical cystectomy combined with urinary tract bypass surgery. Common urinary tract bypass procedures include Brick ileal bladder surgery and ureterocutaneous colostomy. Both of these procedures require patients to wear an abdominal wall urine collection bag for life. Currently, there are two main types of abdominal wall urine collection bags used clinically: disposable adhesive bags and reusable belt-type bags. Compared to Brick ileal bladder surgery, ureterocutaneous colostomy does not require the removal of an ileum segment, simplifies the surgical procedure, does not affect the patient's digestive tract, and avoids the risks of postoperative intestinal obstruction and fistula, making it a more ideal urinary tract bypass surgery.
[0003] However, the most common postoperative complication of ureterocutaneous stoma is retrograde urinary tract infection, leading to recurrent postoperative fever. Once fever develops, prompt surgery to replace the ureteral stent and administer anti-infection treatment are often required. Therefore, traditional abdominal wall urine collection devices are generally insufficient to prevent recurrent postoperative urinary tract infections, fever, back pain, nausea, and vomiting. Summary of the Invention
[0004] Therefore, in order to solve the above-mentioned technical problems, an abdominal wall urine collection device with anti-reflux and anti-infection properties is provided, which can reduce the incidence of urinary tract infection in postoperative patients.
[0005] An anti-reflux and anti-infection abdominal wall urine collection device includes: a waist belt, a connecting tube, a drainage device, an extension tube, and a urine collection bag; the waist belt has a base with a through hole at a position corresponding to the stoma; one end of the connecting tube is threaded to the through hole, and the other end is threaded to the drainage device; the connecting tube is threaded near the drainage device, allowing it to extend and bend, and the inner wall of the connecting tube is threaded with an antibacterial coating; the antibacterial coating is an antibiotic or nano-silver ion coating; an anti-reflux device is provided at the connection between the connecting tube and the drainage device; one end of the extension tube is connected to the drainage device, and the other end is connected to the urine collection bag; a control device is provided at the connection between the drainage device and the extension tube.
[0006] In one embodiment, the anti-backflow device is an anti-backflow check valve, which is located at the connection between the connecting pipe and the drainage device.
[0007] In one embodiment, the belt is provided with an adjustment buckle, which is used to adjust the length of the belt when the belt is fixed on the waist.
[0008] In one embodiment, the urine collection bag is provided with straps for securing the urine collection bag to the leg.
[0009] In one embodiment, the drainage device is detachably connected to the extension tube.
[0010] In one embodiment, the drainage device has a drainage tube at its bottom and the control device is mounted on the drainage tube; the end of the drainage tube is detachably connected to the port of the extension tube.
[0011] In one embodiment, the drainage device is made of silicone or latex material.
[0012] In one embodiment, the control device is a control valve used to control the flow of urine into the urine collection bag.
[0013] In one embodiment, the urine collection bag is provided with a urination valve at the bottom.
[0014] The aforementioned anti-reflux and anti-infection abdominal wall urine collection device features a threaded, retractable, and flexible connecting tube near the drainage device, with threads on the inner wall of the connecting tube to reduce direct contact between the connecting tube and air. An antibacterial coating on the threads enhances its antibacterial properties. An anti-reflux device at the connection between the connecting tube and the drainage device ensures unidirectional outward urine flow. An extension tube allows the urine collection bag to be securely fastened to the leg for easy wear. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the abdominal wall urine collection device for preventing reflux and infection in one embodiment;
[0016] Figure 2 This is a schematic diagram of the abdominal wall urine collection device for preventing reflux and infection in another embodiment;
[0017] Figure 3 This is a schematic diagram of the abdominal wall urine collection device for anti-reflux and anti-infection in another embodiment. Detailed Implementation
[0018] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.
[0019] In one embodiment, such as Figure 1 As shown, an abdominal wall urine collection device for preventing reflux and infection is provided, comprising: a waist belt 100, a connecting tube 200, a drainage device 300, an extension tube 400, and a urine collection bag 500; a base 102 is provided on the waist belt 100, and a through hole 110 is provided on the base 102, with the through hole 110 positioned corresponding to the stoma; one end of the connecting tube 200 is threaded to the through hole 110, and the other end is threaded to the drainage device 300; the connecting tube 200 is close to the drainage device 300. The connection tube 200 is designed with a retractable and flexible thread, and the inner wall of the connecting tube 200 is provided with a thread 210, on which an antibacterial coating 212 is provided; the antibacterial coating 212 is an antibiotic or nano silver ion coating; an anti-reflux device 310 is provided at the connection between the connecting tube 200 and the drainage device 300; one end of the extension tube 400 is connected to the drainage device 300, and the other end is connected to the urine collection bag 500; a control device 600 is provided at the connection between the drainage device 300 and the extension tube 400.
[0020] The waist belt 100 can be a strap worn around the patient's waist to secure the entire anti-reflux and anti-infection abdominal wall urine collection device. The waist belt 100 can be made of cotton and has two elastic sections to ensure comfort for the patient. The length of the waist belt 100 is adjustable to secure the anti-reflux and anti-infection abdominal wall urine collection device around the patient's waist. Figure 1 As shown, a base 102 can be provided on the waist belt 100, and a through hole 110 can be provided on the base 102. In this embodiment, the base 102 can be a silicone or latex material fastened with a metal ring, which facilitates skin contact and prevents urine leakage. The waist belt 100, base 102, and through hole 110 can be integrally formed, and when the user wears the anti-reflux and anti-infection abdominal wall urine collection device provided in this embodiment, the position of the through hole 110 can correspond to the position of the stoma, facilitating urine collection.
[0021] The connecting tube 200 can connect the patient's stoma and ureter to drain urine. In this embodiment, one end of the connecting tube 200 can be detachably connected to the waist belt 100. Specifically, one end of the connecting tube 200 can be threaded to the through hole 110, and the other end can be threaded to the drainage device 300, facilitating the transfer of urine to the drainage device 300. Specifically, the connecting tube 200 is threaded, retractable, and flexible near the drainage device 300, that is, the length of the connecting tube 200 is increased and it is meandered near the drainage device 300, which can reduce the direct contact between the connecting tube 200 and the air.
[0022] The inner wall of the connecting tube 200 may be provided with threads 210, and an antibacterial coating 212 may be provided on the threads 210 to enhance the antibacterial ability of the urine collection device. The antibacterial coating 212 is a coating of antibacterial drugs or materials such as antibiotics or nano-silver ions. Specifically, the antibiotic or nano-silver ion coating can cover the threads 210 to form an antibacterial film, and may be gentamicin or norfloxacin.
[0023] An anti-reflux device 310 can be installed at the connection between the connecting tube 200 and the drainage device 300. The anti-reflux device 310 can prevent urine from flowing back into the drainage device 300 and causing urine to drain outwards in one direction, thus avoiding urinary tract infections and other complications.
[0024] The extension tube 400 can be a connecting tube disposed between the drainage device 300 and the urine collection bag 500, used to extend the urine collection bag 500 for easy carrying. Specifically, one end of the extension tube 400 is connected to the drainage device 300, and the other end is connected to the urine collection bag 500. After urine flows into the drainage device 300, it can flow into the urine collection bag 500 through the extension tube 400, thereby achieving the effect of urine collection.
[0025] like Figure 1 As shown, a control device 600 is provided at the connection between the drainage device 300 and the extension tube 400. The control device 600 can be used to control the flow of urine into the extension tube 400.
[0026] In this embodiment, by making the connecting tube 200 threaded, retractable, and flexible near the drainage device 300, and by providing threads 210 on the inner wall of the connecting tube 200, the direct contact between the connecting tube 200 and the air can be reduced; by providing an antibacterial coating 212 on the threads 210, the antibacterial ability can be enhanced; by providing an anti-backflow device 310 at the connection between the connecting tube 200 and the drainage device 300, the urine can be discharged in one direction outward; and because of the extension tube 400, the urine collection bag 500 can be fixed on the leg for easy wearing.
[0027] In one embodiment, the anti-backflow device can be an anti-backflow check valve, which is located at the connection between the connecting pipe and the drainage device. The anti-backflow check valve can be a cross-shaped check valve, a zigzag check valve, a straight-line check valve, or any other shape of check valve; no limitation is made here.
[0028] Specifically, an anti-reflux check valve can be installed on the drainage device to prevent urine entering the drainage device from flowing back, so that urine is discharged in one direction outward.
[0029] In one embodiment, the belt is provided with an adjustment buckle, which is used to adjust the length of the belt when it is fixed on the waist.
[0030] In one embodiment, such as Figure 2 As shown, the urine collection bag 500 is provided with a strap 520, which is used to fix the urine collection bag 500 to the leg.
[0031] The urine collection bag 500 can have two straps 520, which are fixed to both sides of the bag. The straps 520 can be made of elastic cotton material or can be attached with Velcro, allowing them to be secured to both sides of the bag. When it is necessary to secure the bag, the two straps 520 can be tied around the patient's leg, thus fixing the bag to the patient's leg.
[0032] like Figure 3 As shown, in one embodiment, the drainage device 300 is detachably connected to the extension tube 400.
[0033] In one embodiment, such as Figure 3 As shown, a drainage tube 320 can be provided at the bottom of the drainage device 300. Specifically, the drainage tube 320 can be integrally formed with the drainage device 300. A control device 600 can be provided on the drainage tube 320 to control whether the urine in the drainage device 300 is transferred to the extension tube 400. In this embodiment, the end of the drainage tube 320 can be detachably connected to the port of the extension tube 400.
[0034] In one embodiment, the drainage device is made of silicone or latex material. The connecting tube and extension tube can be made of silicone, latex, or plastic, and the urine collection bag can be made of plastic. Specifically, the urine collection bag can be a disposable urine collection bag.
[0035] In one embodiment, the control device is a control valve used to control the flow of urine into the urine collection bag. The control valve can be manually operated. By setting the control valve, the patient can control the amount of urine flowing into the urine collection bag, which is convenient and hygienic.
[0036] like Figure 2 As shown, in one embodiment, a urination valve 510 is provided at the bottom of the urine collection bag 500. The urination valve 510 can be manually controlled, and when the urine collection bag 500 is full of urine, the patient can control the urination valve 510 to discharge the urine.
[0037] The method of using the anti-reflux and anti-infection abdominal wall urine collection device provided by this invention is as follows:
[0038] The user secures the anti-reflux and anti-infection abdominal wall urine collection device provided by the present invention to the waist with a belt, so that the through hole on the belt corresponds to the stoma.
[0039] Next, the user can rotate one end of the connecting tube so that one end of the connecting tube is threaded onto the through hole and the other end is threaded onto the drainage device;
[0040] Users can secure the urine collection bag by tying the straps to their legs;
[0041] Urine flows into the drainage device through the connecting tube. Because the connecting tube is threaded and flexible near the drainage device, and the inner wall of the connecting tube is threaded with an antibacterial coating, the antibacterial ability of the urine collection device can be enhanced.
[0042] The user opens the control valve, and the urine flows through the drainage device into the extension tube, and then into the urine collection bag;
[0043] When a certain amount of urine has been collected, the user can open the urination valve to allow the urine to be discharged from the urine collection bag.
[0044] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0045] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.
Claims
1. A reflux- and infection-resistant abdominal wall urine collection device, characterized in that, include: The device comprises a waist belt, a connecting tube, a drainage device, an extension tube, and a urine collection bag. The waist belt has a base with a through hole positioned corresponding to the stoma. One end of the connecting tube is threaded into the through hole, and the other end is threaded into the drainage device. The connecting tube has a retractable and flexible thread near the drainage device, and its inner wall is threaded with an antibacterial coating. The antibacterial coating is an antibiotic or nano-silver ion coating. An anti-reflux device is provided at the connection between the connecting tube and the drainage device. One end of the extension tube is connected to the drainage device, and the other end is connected to the urine collection bag. A control device is provided at the connection between the drainage device and the extension tube.
2. The abdominal wall urine collection device for preventing reflux and infection according to claim 1, characterized in that, The anti-backflow device is an anti-backflow check valve, which is located at the connection between the connecting pipe and the drainage device.
3. The abdominal wall urine collection device for preventing reflux and infection according to claim 1, characterized in that, The belt is equipped with an adjustment buckle, which is used to adjust the length of the belt when it is fixed on the waist.
4. The abdominal wall urine collection device for preventing reflux and infection according to claim 1, characterized in that, The urine collection bag is equipped with straps for securing it to the leg.
5. The abdominal wall urine collection device for preventing reflux and infection according to claim 1, characterized in that, The drainage device is detachably connected to the extension tube.
6. The abdominal wall urine collection device for preventing reflux and infection according to claim 5, characterized in that, The drainage device is provided with a drainage tube at the bottom, and the control device is provided on the drainage tube; the end of the drainage tube is detachably connected to the port of the extension tube.
7. The abdominal wall urine collection device for preventing reflux and infection according to claim 1, characterized in that, The drainage device is made of silicone or latex material.
8. The abdominal wall urine collection device for preventing reflux and infection according to claim 1, characterized in that, The control device is a control valve used to control the flow of urine into the urine collection bag.
9. The abdominal wall urine collection device for preventing reflux and infection according to claim 1, characterized in that, The urine collection bag is equipped with a urine discharge valve at the bottom.