Nursing leakage-proof urethral catheterization device
By incorporating a leak-proof structure on the outside of the catheter's urethral cannula, including a cotton layer, a diversion layer, and an absorbent layer, the problem of urine leakage is solved, achieving better leak-proof performance and urine leakage warning.
Patent Information
- Application Number
- CN202422440816.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-10-09
AI Technical Summary
The current method of fixing urinary catheters is simple, which makes it easy for urine to leak out, stain underwear and clothing and breed bacteria.
A nursing leak-proof catheter was designed, comprising a urinary cannula, a drainage tube, and a drainage bag. The urinary cannula is covered with a leak-proof structure, which consists of a cotton cloth layer, a drainage layer, an absorbent layer, and a bottom film layer. A pH test strip is placed between the absorbent layer and the bottom film layer to absorb and intercept urine.
It effectively prevents urine leakage, reduces underwear staining, and the absorbent layer changes color promptly to indicate when to replace, thus improving leak-proof performance.
Smart Images

Figure CN223504594U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical supplies technology, and in particular to a nursing leak-proof catheter. Background Technology
[0002] A urinary catheter is a medical device primarily used to drain urine. It is made of materials such as natural rubber, silicone rubber, or polyvinyl chloride (PVC). Urinary catheters are widely used clinically, mainly for temporary or indwelling catheterization. They help patients drain urine, prevent urinary tract infections, and reduce the occurrence of pressure sores.
[0003] The existing online urinary catheters consist of a urinary sheath, a catheter, and a drainage bag. The urinary sheath is placed over the penis of an elderly patient and secured to the penis with adhesive tape. The urinary sheath is connected to the drainage bag through the catheter. When the patient urinates, the urine is intercepted by the urinary sheath and flows into the drainage bag for storage through the catheter.
[0004] However, while securing the urinal to the penis with adhesive tape is a simple method, it has poor leak-proof properties. Over time, urine can easily leak out of the urinal, staining underwear and clothing, and promoting bacterial growth.
[0005] Therefore, a nursing leak-proof catheter needs to be designed to solve the problem. Utility Model Content
[0006] This invention provides a nursing catheter to prevent leakage, which solves the aforementioned technical problems.
[0007] To solve the above-mentioned technical problems, this utility model provides a nursing leak-proof catheter, including a urine sleeve, one end of which is inserted and connected to a drainage tube, and the other end of which is inserted and connected to a drainage bag. The drainage tube is covered with a leak-proof structure.
[0008] The leak-proof structure includes a leak-proof sleeve, with connecting sleeves fixed at both the top and bottom. A fixing adhesive strip is connected to the outside of the connecting sleeve, and a pH test strip is connected to one side of the outside of the leak-proof sleeve.
[0009] Preferably, the drainage tube is fitted onto the patient's penis, and the leak-proof structure covers and fixes the top of the drainage tube to the connection point of the penis.
[0010] Preferably, the leak-proof structure comprises, from the inside out, a cotton cloth layer, a diversion layer, an absorbent layer, and a bottom film layer, and the leak-proof structure is fixedly connected between the bottom film layer and the absorbent layer.
[0011] Preferably, the flow guiding layer is made of non-woven fabric.
[0012] Preferably, the absorbent layer is a superabsorbent polymer (SAP) material.
[0013] Preferably, the bottom film layer is a transparent PE film.
[0014] Preferably, the pH test strip changes color when it absorbs urine.
[0015] Compared with related technologies, the nursing leak-proof catheter provided by this utility model has the following beneficial effects:
[0016] This invention provides a leak-proof structure that fits over the connection between the urethra and the penis. When a small amount of urine leaks from the urethra, the urine is absorbed by the drainage layer through the cotton layer and quickly dispersed over a larger area, preventing local oversaturation and leakage. The absorbent layer quickly absorbs and locks in the liquid, and the bottom membrane layer intercepts and prevents urine leakage, thereby greatly improving the leak-proof function of the urethra when used on the penis and effectively preventing urine leakage from staining underwear and clothing.
[0017] This invention provides a pH test strip placed between the absorbent layer and the bottom film layer of the leak-proof sleeve. During the process of the absorbent layer absorbing urine, some urine will be contaminated on the pH test strip, causing the test strip to change color. Medical staff can detect this in time when cleaning the patient's private parts regularly. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of a leak-proof catheter for nursing care according to this utility model;
[0019] Figure 2 This is an enlarged schematic diagram of point A of this utility model;
[0020] Figure 3 This is a cross-sectional view of the leak-proof structure of this utility model installed on the urine cover;
[0021] Figure 4 This is a schematic diagram of the anti-leakage sleeve layer of this utility model.
[0022] The following are labeled in the diagram: 1. Urine cover; 2. Drainage tube; 3. Drainage bag; 4. Leak-proof structure; 41. Leak-proof sleeve; 42. Connecting sleeve; 43. Fixing adhesive strip; 44. pH test paper; 411. Cotton cloth layer; 412. Drainage layer; 413. Absorbent layer; 414. Bottom film layer. Detailed Implementation
[0023] Example 1, by Figure 1-4 A nursing catheter with leak prevention is provided, comprising a urinary sleeve 1, one end of which is inserted and connected to a drainage tube 2, and the other end of which is inserted and connected to a drainage bag 3. A leak-proof structure 4 is provided on the outside of the drainage tube 2. The drainage tube 2 is inserted into the patient's penis, and the leak-proof structure 4 covers and fixes the top of the drainage tube 2 to the connection part of the penis.
[0024] Specifically, the leak-proof structure 4 is slipped onto the urinary sleeve 1 and then slid down onto the connected drainage tube 2. The urinary sleeve 1 is then slipped onto the penis of the elderly patient, and the leak-proof structure 4 is pushed up to the connection position between the urinary sleeve 1 and the penis. When the patient urinates, the urine is intercepted by the urinary sleeve 1 and flows into the drainage bag 3 through the drainage tube 2 connected to the channel for storage. When a small amount of urine leaks from the urinary sleeve 1, the leak-proof structure 4 absorbs the leaked urine, thereby greatly improving the leak-proof function of the urinary sleeve 1 when it is slipped onto the penis and effectively preventing urine from leaking out and staining underwear and clothing.
[0025] The leak-proof structure 4 includes a leak-proof sleeve 41, with connecting sleeves 42 fixed at both the top and bottom of the leak-proof sleeve 41. A fixing strip 43 is connected to the outside of the connecting sleeve 42. The leak-proof structure 4 consists of a cotton cloth layer 411, a flow guiding layer 412, a water-absorbing layer 413, and a bottom film layer 414 from the inside out.
[0026] Specifically, when a small amount of urine leaks from the urinary sleeve 1, the urine is absorbed by the diversion layer 412 through the cotton cloth layer 411 and quickly dispersed to a larger area to prevent local oversaturation leakage. Meanwhile, the absorbent layer 413 quickly absorbs and locks in the liquid, and the bottom membrane layer 414 intercepts and prevents urine leakage.
[0027] Among them, the flow guiding layer 412 is made of non-woven fabric, the water-absorbing layer 413 is made of superabsorbent polymer, and the bottom film layer 414 is made of transparent PE film.
[0028] In Example 2, based on Example 1, a pH test paper 44 is connected to the outer side of the leak-proof sleeve 41. The leak-proof structure 4 is fixedly connected between the bottom film layer 414 and the absorbent layer 413. The pH test paper 44 can change color when absorbing urine.
[0029] Specifically, a pH test strip 44 is placed between the absorbent layer 413 and the bottom film layer 414 of the leak-proof sleeve 41. During the process of absorbing urine, some urine will be contaminated on the pH test strip 44, causing the test strip to change color. When medical staff clean the patient's private parts regularly, they can detect this in time, thus having sufficient time to clean it and replace it with a new leak-proof structure 4.
[0030] Working principle:
[0031] In use, the leak-proof structure 4 is slipped onto the urethral cannula 1 and then slid down onto the connected drainage tube 2. The urethral cannula 1 is then slipped onto the elderly patient's penis, and the leak-proof structure 4 is pushed up to the connection point between the urethral cannula 1 and the penis. Figure 3 As shown, when the patient urinates, the urine is intercepted by the urine sleeve 1 and flows into the drainage bag 3 for storage through the drainage tube 2 connected to the channel.
[0032] Then, peel off the release paper from the fixing strip 43 on the upper and lower connecting sleeves 42 of the leak-proof sleeve 41, and stick the fixing strip 43 around the connecting sleeve 42 to fix it, so that the leak-proof sleeve 41 and the urine sleeve 1 are fixed on the patient's penis.
[0033] The leak-proof structure 4 consists of a cotton cloth layer 411, a diversion layer 412, an absorbent layer 413, and a bottom membrane layer 414 from the inside out. The cotton cloth layer 411 provides a comfortable feel in contact with the penile skin. When a small amount of urine leaks from the urinal cover 1, the urine is absorbed by the diversion layer 412 through the cotton cloth layer 411 and quickly dispersed to a larger area to prevent local oversaturation leakage. The absorbent layer 413 quickly absorbs and locks in the liquid, and the bottom membrane layer 414 intercepts and prevents urine leakage, thereby greatly improving the leak-proof function of the urinal cover 1 when it is worn on the penis and effectively preventing urine leakage from staining underwear and clothing.
[0034] A pH test strip 44 is placed between the absorbent layer 413 and the bottom film layer 414 of the leak-proof sleeve 41. During the process of absorbing urine, some urine will be contaminated on the pH test strip 44, causing the test strip to change color. When medical staff clean the patient's private parts regularly, they can notice this in time, thus having sufficient time to clean it and replace it with a new leak-proof structure 4.
Claims
1. A nursing leak-proof catheter, comprising a urinary sheath (1), characterized in that: One end of the urinary cannula (1) is connected to a drainage tube (2), and the other end of the urinary cannula (1) is connected to a drainage bag (3). The drainage tube (2) is covered with a leak-proof structure (4). The leak-proof structure (4) includes a leak-proof sleeve (41), with connecting sleeves (42) fixed at both the top and bottom of the leak-proof sleeve (41). A fixing strip (43) is connected to the outside of the connecting sleeve (42), and a pH test paper (44) is connected to one side of the outside of the leak-proof sleeve (41).
2. The nursing leak-proof catheter according to claim 1, characterized in that, The drainage tube (2) is fitted onto the patient's penis, and the leak-proof structure (4) covers and fixes the top of the drainage tube (2) to the connection part of the penis.
3. The nursing leak-proof catheter according to claim 1, characterized in that, The leak-proof structure (4) consists of a cotton cloth layer (411), a flow guiding layer (412), a water-absorbing layer (413), and a bottom membrane layer (414) from the inside out, and the leak-proof structure (4) is fixedly connected between the bottom membrane layer (414) and the water-absorbing layer (413).
4. A nursing leak-proof catheter according to claim 3, characterized in that, The flow guide layer (412) is made of non-woven fabric.
5. A nursing leak-proof catheter according to claim 3, characterized in that, The absorbent layer (413) is a high molecular weight absorbent resin material.
6. A nursing leak-proof catheter according to claim 3, characterized in that, The bottom film layer (414) is a transparent PE film.
7. A nursing leak-proof catheter according to claim 1, characterized in that, The pH test paper (44) can change color when it absorbs urine.