PICC universal protective sleeve

By designing a wear-resistant nylon sheath and an adjustable fixation structure for the PICC protective sleeve, the adaptability and visibility issues of existing kits have been resolved. This enables stable fixation and convenient care for patients of different body types, reduces the risk of catheter displacement and contamination, and improves safety and comfort during use.

CN223930492UActive Publication Date: 2026-02-24YUEXI COUNTY HOSPITAL
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Patent Information

Application Number
CN202423091363.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2026-02-24
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing PICC protective sleeves cannot adapt to patients with different limb sizes, resulting in loosening or excessive tightness, affecting catheter safety and visibility, and increasing nursing difficulty and risks.

Method used

A PICC protective sleeve was designed, comprising a wear-resistant nylon sheath, a visible puncture port, a flip-top transparent film, and an adjustable fixing structure. The sleeve achieves flexible adjustment and fixation through a combination of a ring-shaped fixing strap, a cotton ring-shaped strap, and an elastic Velcro strap. The design of the flip-top transparent film and mesh layer ensures stability and visibility.

Benefits of technology

It achieves stable fixation for patients of different body types, reduces the risk of catheter displacement and contamination, improves nursing efficiency and patient safety, and enhances user comfort and visibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical supplies, in particular to a PICC (Peripherally Inserted Central Catheter) universal protective sleeve which comprises a wear-resistant nylon sheath, a through visible puncture opening is formed in the front part of the outer surface of the wear-resistant nylon sheath, and a waterproof polyurethane coating is coated on the inner wall of the wear-resistant nylon sheath. The inner wall of the waterproof polyurethane coating is fixedly connected with a skin-friendly cotton gauze inner sleeve layer, the inner wall of the skin-friendly cotton gauze inner sleeve layer is coated with an antibacterial silver ion fiber layer, the front portion of the outer surface of the wear-resistant nylon sheath is fixedly connected with an outer hard hook-and-loop fastener, and the visual puncture opening is located on the inner side of the outer hard hook-and-loop fastener. The PICC universal protective sleeve has the advantages that the PICC universal protective sleeve is provided with an adjustable fixing structure which can be adaptive to limbs with different thicknesses and can be stably fixed, the conditions of a catheter and a puncture part can be conveniently observed by the aid of a visual operation component, the internal multi-layer protective structure has the advantages of waterproofness, skin friendliness, antibiosis and the like, and the PICC universal protective sleeve can comprehensively guarantee the use safety of the PICC and the comfort level of a patient.
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Description

Technical Field

[0001] This utility model relates to the field of medical supplies technology, and in particular to a universal protective sleeve for PICC. Background Technology

[0002] In the modern medical field, PICC (Peripherally Inserted Central Catheter) is widely used because it provides safe intravenous access for patients undergoing long-term infusions, chemotherapy, and nutritional support. It effectively reduces puncture pain and complications, and improves patients' quality of life and treatment security. However, current PICC protective sleeves have significant drawbacks. They are mostly fixed sizes and cannot fit patients with different limb sizes. When used by thin patients, they are prone to loosening, causing the catheter to be pulled and increasing the risk of displacement and dislodgement. When used by obese patients, they are too tight, causing discomfort and affecting blood circulation. At the same time, the existing protective sleeves have poor visibility, completely covering the catheter and puncture site, making it difficult for medical staff to observe blood return, redness, swelling, exudation, and skin healing infection. Frequent removal of the protective sleeve during nursing care not only increases the workload of medical staff but also easily causes catheter displacement and contamination, bringing many inconveniences and hidden dangers to clinical nursing and patient safety. Utility Model Content

[0003] The main purpose of this utility model is to provide a universal protective cover for PICC, which can effectively solve the problems in the background art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A universal protective sleeve for PICC (Personalized Carrier) includes a wear-resistant nylon sheath. The outer surface of the wear-resistant nylon sheath has a visible puncture opening. The inner wall of the wear-resistant nylon sheath is coated with a waterproof polyurethane coating. A skin-friendly cotton gauze inner sleeve layer is fixedly connected to the inner wall of the waterproof polyurethane coating. The inner wall of the skin-friendly cotton gauze inner sleeve layer is coated with an antibacterial silver ion fiber layer. An outer rigid Velcro fastener is fixedly connected to the outer surface of the wear-resistant nylon sheath. The visible puncture opening is located inside the outer rigid Velcro fastener. A visual operation component is fixedly connected to the outer surface of the wear-resistant nylon sheath, located directly in front of the visible puncture opening. Adjustable fixing structures are fixedly connected to both the upper and lower ends of the wear-resistant nylon sheath.

[0006] Preferably, the adjustable fixing structure includes an annular fixing strap, which is fixedly connected to the upper end of the wear-resistant nylon sheath. A cotton annular band is fixedly connected to the middle of the outer surface of the annular fixing strap. A U-shaped buckle is fixedly connected to the left side of the outer surface of the cotton annular band. The left rear end of the U-shaped buckle has a through-hole. An elastic Velcro strap is fixedly connected to the right front end of the U-shaped buckle. The elastic Velcro strap is located to the right of the through-hole.

[0007] By adopting the above technical solution: the ring-shaped fixing strap connects to the wear-resistant nylon sheath to provide basic fixation, the cotton ring-shaped strap increases contact comfort, and the opening on the U-shaped buckle facilitates the passage of the elastic Velcro strap. The Velcro strap can be used to flexibly adjust the length of the strap to adapt to patients with different limb sizes, making the protective sheath more securely fixed, effectively avoiding loosening or being too tight, and ensuring the safety of the PICC catheter.

[0008] Preferably, the two adjustable fixing structures are symmetrically distributed vertically, the inner wall of the elastic hook and loop strap is in close contact with but not fixed to the outer surface of the cotton ring strap, and the end of the elastic hook and loop strap away from the buckle passes through the opening and is attached to the outer surface of the elastic hook and loop strap.

[0009] By adopting the above technical solution: the adjustable fixing structure with symmetrical upper and lower distribution ensures uniform and stable force distribution; the elastic Velcro strap and cotton loop band are tightly attached to ensure fit and comfort; the design of being able to pass through the opening and stick allows for convenient adjustment of the strap length, accurately fitting the patient's limb, enhancing the protective sleeve's fixing effect on the PICC catheter, reducing the risk of displacement and dislodgement, and improving the safety of use.

[0010] Preferably, the visual operation component includes a flip-top transparent film, which is fixedly connected to the front of the outer surface of the wear-resistant nylon sheath. The flip-top transparent film is located directly in front of the visual puncture port. A mesh layer is fixedly connected to the outer surface of the flip-top transparent film, and an inner Velcro is fixedly connected to the rear end of the flip-top transparent film that is in close contact with the wear-resistant nylon sheath.

[0011] By adopting the above technical solutions: the flip-top transparent membrane allows for direct observation of the PICC catheter and puncture site without removing the protective sleeve, reducing the risk of catheter displacement and contamination; the mesh layer prevents foreign objects from touching the transparent membrane, providing protection; and the inner Velcro fastener ensures that the flip-top transparent membrane fits tightly to the wear-resistant nylon sheath, guaranteeing sealing and protection, facilitating medical operations and daily monitoring, and improving the practicality of the protective sleeve.

[0012] Preferably, the flip-top transparent film is bonded to the wear-resistant nylon sheath via inner Velcro and outer rigid Velcro.

[0013] By adopting the above technical solution: the flip-top transparent film is attached to the wear-resistant nylon sheath through inner and outer Velcro, which is stable and easy to open and close. It can not only ensure convenient visual operation, but also maintain a good seal, which helps to protect the PICC catheter and puncture site.

[0014] Preferably, the area of ​​the overall flip-top transparent film is larger than the area of ​​the visible puncture site.

[0015] By adopting the above technical solution: the area of ​​the overall flip-top transparent film is larger than the area of ​​the visible puncture port, which can fully cover and protect the surrounding area, effectively prevent impurities from entering, and ensure safety.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. In this utility model, a basic connection is provided by connecting the annular fixing strap to the wear-resistant nylon sheath. The cotton annular strap increases the comfort of contact with the skin. The opening on the U-shaped buckle cooperates with the elastic Velcro strap, which can be flexibly adjusted according to the thickness of the patient's limb. The two adjustable fixing structures are symmetrically distributed vertically to ensure uniform fixing force and prevent the protective sheath from tilting or shifting. The inner wall of the elastic Velcro strap is tightly attached to the cotton annular strap to further improve the fit and stability. This effectively solves the problem of the single size of traditional PICC protective sheaths, can adapt to patients of different body types, ensure the stability of the PICC catheter, reduce the risks caused by loosening or being too tight, and improve the safety and comfort of patients.

[0018] 2. In this utility model, the flip-top transparent film is connected to the wear-resistant nylon sheath, located directly in front of the visible puncture site and covering a larger area. It can fully cover and protect the surrounding area, preventing impurities from entering. The mesh layer can prevent foreign objects from directly touching the transparent film and causing damage. The inner Velcro and the outer rigid Velcro work together to ensure that the flip-top transparent film fits tightly, ensuring good sealing and stability. This design greatly improves the problem of poor visibility of existing protective covers. Medical staff can conveniently observe the PICC catheter and puncture site without frequently removing the protective cover, promptly detect abnormalities, reduce the risk of catheter displacement and contamination, and improve nursing efficiency and patient safety. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of a universal protective sleeve for PICC according to this utility model;

[0020] Figure 2 This is a schematic diagram of the internal overall structure of the wear-resistant nylon sheath of a PICC universal protective sleeve according to this utility model;

[0021] Figure 3 This is a schematic diagram of the overall adjustable fixing structure of a universal protective sleeve for PICC according to this utility model;

[0022] Figure 4 This is a schematic diagram showing the interconnection between the wear-resistant nylon sheath and the visual operation component of a universal PICC protective cover according to this utility model.

[0023] In the image: 1. Abrasion-resistant nylon sheath; 2. Visible puncture port; 3. Outer rigid Velcro; 4. Visible operating components; 5. Adjustable fixing structure; 6. Waterproof polyurethane coating; 7. Skin-friendly cotton gauze inner sheath; 8. Antibacterial silver ion fiber layer; 41. Flip-top transparent film; 42. Mesh layer; 43. Inner Velcro; 51. Circular fixing strap; 52. Cotton circular strap; 53. U-shaped buckle; 54. Piercing opening; 55. Elastic Velcro strap. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Please see Figure 1-4 This utility model provides a technical solution:

[0028] A universal protective sleeve for PICC includes a wear-resistant nylon sleeve 1. The outer surface of the wear-resistant nylon sleeve 1 has a visible puncture opening 2. The inner wall of the wear-resistant nylon sleeve 1 is coated with a waterproof polyurethane coating 6. A skin-friendly cotton gauze inner sleeve layer 7 is fixedly connected to the inner wall of the waterproof polyurethane coating 6. The inner wall of the skin-friendly cotton gauze inner sleeve layer 7 is coated with an antibacterial silver ion fiber layer 8. An outer rigid Velcro 3 is fixedly connected to the outer surface of the wear-resistant nylon sleeve 1. The visible puncture opening 2 is located inside the outer rigid Velcro 3. A visual operation component 4 is fixedly connected to the outer surface of the wear-resistant nylon sleeve 1. The visual operation component 4 is located directly in front of the visible puncture opening 2. Adjustable fixing structures 5 are fixedly connected to both the upper and lower ends of the wear-resistant nylon sleeve 1.

[0029] In this embodiment, the adjustable fixing structure 5 includes an annular fixing band 51, which is fixedly connected to the upper end of the wear-resistant nylon sheath 1. A cotton annular band 52 is fixedly connected to the middle of the outer surface of the annular fixing band 51. A U-shaped buckle 53 is fixedly connected to the left side of the outer surface of the cotton annular band 52. A through-hole 54 is opened at the left rear end of the U-shaped buckle 53. An elastic Velcro strap 55 is fixedly connected to the right front end of the U-shaped buckle 53. The elastic Velcro strap 55 is located to the right of the through-hole 54. The two adjustable fixing structures 5 are symmetrically distributed vertically. The inner wall of the elastic Velcro strap 55 is in close contact with but not fixed to the outer surface of the cotton annular band 52. The end of the elastic Velcro strap 55 away from the U-shaped buckle 53 passes through the through-hole 54 and is attached to the outer surface of the elastic Velcro strap 55.

[0030] The above solution involves: a ring-shaped fixing strap 51 connecting to a wear-resistant nylon sheath 1; a cotton ring-shaped strap 52 providing comfortable contact; and a loop 54 for the U-shaped buckle 53 to pass through for the elastic Velcro strap 55. The symmetrical structure ensures even force distribution. Depending on the patient's limb size, the elastic Velcro strap 55 is passed through the loop 54 and attached to the appropriate position. The tightness of the protective sheath is adjusted, thus solving the size fixation problem. This allows thinner patients to avoid loosening through adjustment, reducing the risk of catheter traction, while preventing discomfort and poor blood circulation in obese patients due to excessive tightness. This ensures that the PICC protective sheath can be securely fixed for patients of different limb sizes, guaranteeing catheter safety and improving patient comfort and nursing effectiveness.

[0031] In this embodiment, the visual operation component 4 includes a flip-top transparent film 41, which is fixedly connected to the front of the outer surface of the wear-resistant nylon sheath 1. The flip-top transparent film 41 is located directly in front of the visual puncture port 2. A mesh layer 42 is fixedly connected to the outer surface of the flip-top transparent film 41. An inner Velcro 43 is fixedly connected to the rear end of the flip-top transparent film 41 that is in close contact with the wear-resistant nylon sheath 1. The flip-top transparent film 41 is glued to the wear-resistant nylon sheath 1 through the inner Velcro 43 and the outer hard Velcro 3. The overall area of ​​the flip-top transparent film 41 is larger than the area of ​​the visual puncture port 2.

[0032] The above solution involves a flip-top transparent membrane 41 positioned in front of the visible puncture site 2. It is tightly attached to the wear-resistant nylon sheath 1 via inner Velcro 43 and outer rigid Velcro 3. A mesh layer 42 provides protection, and its area, larger than the visible puncture site 2, fully covers the surrounding area, effectively solving the problem of poor visibility. Medical staff no longer need to frequently remove the protective sheath; they can directly observe the catheter and puncture site through the flip-top transparent membrane 41, promptly detecting abnormalities such as blood return and swelling. Simultaneously, it reduces the risk of catheter displacement and contamination caused by removal, lessening the workload of medical staff, ensuring efficient clinical nursing and patient safety, and improving the overall convenience and reliability of nursing care.

[0033] It should be noted that this utility model is a universal protective sleeve for PICC. In use, firstly, the annular fixing strap 51 is connected to the wear-resistant nylon sheath 1, and the cotton annular strap 52 provides a comfortable contact base. The tightness of the protective sleeve can be adjusted through the opening 54 of the U-shaped buckle 53 and the elastic Velcro strap 55 to adapt to patients with different limb sizes. The symmetrical structure ensures stable fixation. The visible puncture port 2 allows for easy observation of the approximate position of the catheter. The flip-top transparent film 41 is fixed to the wear-resistant nylon sheath 1 through the inner Velcro 43 and the outer hard Velcro 3. Its area is larger than the visible puncture port 2 and is protected by a mesh layer 42. Medical staff can clearly observe the catheter and puncture site through it without the need for frequent removal of the protective sleeve, effectively reducing the risk of catheter displacement and contamination caused by removal, and ensuring the safe use and convenient care of the PICC catheter. At the same time, the waterproof polyurethane coating 6, the skin-friendly cotton gauze inner layer 7, and the antibacterial silver ion fiber layer 8 respectively play a role in waterproofing, skin-friendly comfort, and antibacterial protection, jointly maintaining the safe and stable environment for the use of the PICC catheter.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A universal protective cover for PICC, comprising a wear-resistant nylon sheath (1), characterized in that: The wear-resistant nylon sheath (1) has a visible puncture port (2) on the front of its outer surface. The inner wall of the wear-resistant nylon sheath (1) is coated with a waterproof polyurethane coating (6). A skin-friendly cotton gauze inner sleeve layer (7) is fixedly connected to the inner wall of the waterproof polyurethane coating (6). An antibacterial silver ion fiber layer (8) is coated to the inner wall of the skin-friendly cotton gauze inner sleeve layer (7). An outer rigid Velcro (3) is fixedly connected to the front of the outer surface of the wear-resistant nylon sheath (1). The visible puncture port (2) is located inside the outer rigid Velcro (3). A visual operation component (4) is fixedly connected to the front of the outer surface of the wear-resistant nylon sheath (1). The visual operation component (4) is located directly in front of the visible puncture port (2). An adjustable fixing structure (5) is fixedly connected to both the upper and lower ends of the wear-resistant nylon sheath (1).

2. The universal protective sleeve for PICC according to claim 1, characterized in that: The adjustable fixing structure (5) includes an annular fixing band (51), which is fixedly connected to the upper end of the wear-resistant nylon sheath (1). A cotton annular band (52) is fixedly connected to the middle of the outer surface of the annular fixing band (51). A U-shaped buckle (53) is fixedly connected to the left side of the outer surface of the cotton annular band (52). A through-hole (54) is opened at the left rear end of the U-shaped buckle (53). An elastic Velcro strap (55) is fixedly connected to the right front end of the U-shaped buckle (53). The elastic Velcro strap (55) is located to the right of the through-hole (54).

3. A universal protective sleeve for PICC according to claim 2, characterized in that: The two adjustable fixing structures (5) are symmetrically distributed vertically. The inner wall of the elastic hook and loop strap (55) is tightly attached to but not fixed to the outer surface of the cotton ring strap (52). The end of the elastic hook and loop strap (55) away from the buckle (53) passes through the opening (54) and is attached to the outer surface of the elastic hook and loop strap (55).

4. A universal protective sleeve for PICC according to claim 1, characterized in that: The visual operation component (4) includes a flip-top transparent film (41), which is fixedly connected to the front of the outer surface of the wear-resistant nylon sheath (1). The flip-top transparent film (41) is located directly in front of the visual puncture port (2). A mesh layer (42) is fixedly connected to the outer surface of the flip-top transparent film (41). An inner Velcro (43) is fixedly connected to the rear end of the flip-top transparent film (41) that is in close contact with the wear-resistant nylon sheath (1).

5. A universal protective sleeve for PICC according to claim 4, characterized in that: The flip-top transparent film (41) is attached to the wear-resistant nylon sheath (1) by an inner Velcro (43) and an outer hard Velcro (3).

6. A universal protective sleeve for PICC according to claim 4, characterized in that: The area of ​​the flip-top transparent membrane (41) is larger than the area of ​​the visible puncture port (2).