Sterile medical adhesive tape

By using medical pressure-sensitive adhesive and hot melt adhesive layer spacing arrangement design in medical tape, combined with structures such as antibacterial fabrics and breathable pores, the problem of insufficient stability of the adhesive layer is solved, and better adhesion, breathability and protective effects are achieved, ensuring the fixation of the wound and drug contact.

CN223232900UActive Publication Date: 2025-08-19TAISHAN HONGYI MEDICAL PROD CO LTD
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Patent Information

Application Number
CN202421961929.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-14
Publication Date
2025-08-19
Estimated Expiration
2034-08-14

AI Technical Summary

Technical Problem

The existing wavy adhesive layer leads to insufficient sticky stability and is prone to fall off, affecting the wound fixation effect and increasing the risk of infection.

Method used

The medical pressure-sensitive adhesive and hot melt adhesive layer arrangement design on both sides of the base layer is adopted, and combined with antibacterial fabrics, waterproof and breathable fabrics, breathable holes, connecting bags and support strips, etc., to enhance adhesion, breathability and protective effect.

Benefits of technology

It improves the adhesion and breathability of the tape, reduces skin irritation and allergic reactions, enhances fixing strength and protective effects, and ensures the comfort of the tape and the continuous contact of the drug.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sterile medical adhesive tape, and belongs to the field of medical adhesive tapes. The sterile medical adhesive tape comprises a base layer, the two sides of the bottom of the base layer are each provided with an adhesive layer, each adhesive layer comprises a medical pressure-sensitive adhesive fixedly connected to the two sides of the bottom of the base layer, and the two sides of the bottom of the base layer are each provided with a hot melt adhesive layer located on the inner side of the medical pressure-sensitive adhesive. The bottom of the base layer is fixedly connected with a dressing located on the inner side of the adhesive layer, and the top of the base layer is fixedly connected with a protective layer; the base layer is adhered and fixed to the wound of a user through the adhesive layer, the bottom of the dressing needs to be in contact with the wound, in the contact process, the medical pressure-sensitive adhesive is firmly adhered to the skin, meanwhile, irritation and anaphylactic reaction to the skin are reduced, in addition, the medical pressure-sensitive adhesive has certain elasticity and tensile strength, and therefore the medical pressure-sensitive adhesive is not prone to falling off. The adhesive tape can adapt to movement and change of skin, and the wearing comfort of the adhesive tape is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical tapes, in particular to a sterile medical tape. Background Art

[0002] Medical tape is a common medical device that plays a vital role in the healthcare field. Medical tape, also known as medical sealing tape, is a sticky, stretchable, and breathable adhesive material. Depending on the base material, medical tape can be divided into various types, such as PE tape, non-woven tape, and cloth tape. These tapes are typically made from pure wood pulp, a natural material that is non-toxic, non-irritating, and has excellent breathability.

[0003] For example, the patent application number published on the China Patent Network is 201220069144.9, and the patent title is: "Non-woven medical tape, particularly a medical tape for surgical wound binding and fixation." This non-woven medical tape comprises a strip-shaped base fabric made of non-woven fabric, a wavy adhesive layer coated on the surface of the base fabric, and a detangling agent layer coated on the back of the base fabric. The utility model has a simple structure, a soft and thin non-woven fabric texture, is non-toxic, non-irritating, and non-allergenic to the skin, and is soft, stretchable, and conforms well to the skin.

[0004] However, the existing wavy medical tape has a small contact area with the user's skin, which affects the stickiness of the tape and makes it easy to fall off. The loose fixation affects the fixation effect of the wound and may even cause the wound dressing to shift, increasing the risk of infection. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that the wavy adhesive layer may affect the adhesive stability, and proposes a sterile medical tape.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A sterile medical tape comprises a base layer, with adhesive layers provided on both sides of the bottom of the base layer, the adhesive layers comprising medical pressure-sensitive adhesive fixedly connected to both sides of the bottom of the base layer, hot melt adhesive layers located inside the medical pressure-sensitive adhesive provided on both sides of the bottom of the base layer, a dressing located inside the adhesive layer fixedly connected to the bottom of the base layer, and a protective layer fixedly connected to the top of the base layer.

[0008] As a preferred technical solution of the present application, the protective layer includes an antibacterial fabric fixedly connected to the top of the base layer, and a waterproof and breathable fabric is fixedly connected to the top of the antibacterial fabric.

[0009] As a preferred technical solution of the present application, extension parts are provided on both sides of the antibacterial fabric, the left and right sides of the extension parts extend to the outside of the base layer and penetrate to the bottom of the base layer, and the extension parts are located between the base layer and the adhesive layer.

[0010] As a preferred technical solution of the present application, a ventilation hole is provided at the bottom of the base layer at the bottom of the adhesive layer, and the top of the ventilation hole passes through the base layer and the antibacterial fabric in sequence and is interconnected with the top of the antibacterial fabric. The waterproof and breathable fabric can cover the ventilation hole.

[0011] As a preferred technical solution of the present application, the dressing includes a connecting cloth bag fixedly connected to the bottom of the base layer and located inside the air vents, and the connecting cloth bag is made of cotton.

[0012] As a preferred technical solution of the present application, the interior of the connecting cloth bag is configured to be hollow, and the interior of the connecting cloth bag is filled with absorbent material, and the material of the absorbent material is sterile cotton.

[0013] As a preferred technical solution of the present application, a connecting groove is provided at the bottom of the connecting cloth bag, the top of the connecting groove is connected to the inner surface of the connecting cloth bag, and there are several connecting grooves arranged parallel to each other.

[0014] As a preferred technical solution of the present application, support bars are fixedly connected to both sides of the top of the waterproof and breathable fabric, and the support bars are made of bendable metal wires.

[0015] As a preferred technical solution of the present application, shielding cloth strips are fixedly connected to both sides of the top of the waterproof and breathable fabric, and the shielding cloth strips are located on the top of the support strips.

[0016] As a preferred technical solution of the present application, the hot melt adhesive layer and the medical pressure-sensitive adhesive are arranged at intervals from each other, and the distance between the hot melt adhesive layer and the medical pressure-sensitive adhesive is less than two millimeters.

[0017] Compared with the prior art, the present invention provides a sterile medical tape with the following beneficial effects:

[0018] 1. This sterile medical tape is fixed to the user's wound by sticking the base layer with an adhesive layer, and the bottom of the dressing needs to be in contact with the wound. During the contact process, the medical pressure-sensitive adhesive firmly adheres to the skin, while reducing irritation and allergic reactions to the skin. In addition, the medical pressure-sensitive adhesive also has a certain elasticity and tensile strength, which can adapt to the movement and changes of the skin. At the same time, although the hot melt adhesive layer has poor air permeability, its fixing strength is good. The medical pressure-sensitive adhesive arranged at intervals with the hot melt adhesive layer can assist it in air permeability, ensuring the comfort of wearing the tape.

[0019] 2. This sterile medical tape, by setting antibacterial fabric and waterproof and breathable fabric, can improve the external protection effect, reduce bacterial growth, and at the same time reduce the impact of the external environment on the internal base layer.

[0020] 3. The sterile medical tape can improve the connection effect between the antibacterial fabric and the base layer by providing an extension portion, thereby preventing bacteria from penetrating through the outside of the base layer.

[0021] 4. The sterile medical tape can improve the ventilation effect of the base layer by setting ventilation holes, facilitating the circulation of airflow with the external environment.

[0022] 5. The sterile medical tape can store the medicine liquid by setting a connecting cloth bag, and can slowly release the medicine to ensure that the medicine is in contact with the wound for a long time.

[0023] 6. The sterile medical tape can ensure the storage effect of liquid medicine by setting the absorbent material, which is convenient for long-term storage of liquid medicine.

[0024] 7. The sterile medical tape can improve the drug penetration effect by providing a connecting groove, and at the same time facilitates the internal absorbent material to absorb wound exudate.

[0025] 8. The sterile medical tape can support the base layer by providing support strips, so that the base layer can be rigidly bent and fixed, further preventing the base layer from becoming detached from the adhesive.

[0026] 9. The sterile medical tape can shield the support strips by setting shielding strips to prevent users from being pricked by sharp support strips.

[0027] 10. The sterile medical tape can ensure the structural adhesion and fixation stability by arranging medical pressure-sensitive adhesive and hot-melt adhesive layers spaced apart from each other, while avoiding affecting the breathability. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural diagram of the utility model;

[0029] Figure 2 This is a schematic diagram of the bottom-up structure of the present invention;

[0030] Figure 3 This is a schematic diagram of the separation structure of the utility model;

[0031] Figure 4 This is a schematic diagram of the dressing structure of the present invention;

[0032] Figure 5 This is a schematic diagram of the main structure of the utility model;

[0033] Figure 6 For the utility model Figure 5 Enlarged structural diagram at point A in the middle.

[0034] In the figure: 1. Base layer; 2. Adhesive layer; 3. Medical pressure-sensitive adhesive; 4. Hot-melt adhesive layer; 5. Dressing; 6. Protective layer; 7. Antibacterial fabric; 8. Waterproof and breathable fabric; 9. Extension; 10. Air hole; 11. Connecting cloth bag; 12. Absorbent material; 13. Connecting groove; 14. Support bar; 15. Covering cloth strip. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0036] Example 1:

[0037] Reference Figure 1-6A sterile medical tape comprises a base layer 1, with adhesive layers 2 provided on both sides of the bottom of the base layer 1, the adhesive layer 2 comprising medical pressure-sensitive adhesive 3 fixedly connected to both sides of the bottom of the base layer 1, and hot melt adhesive layers 4 located inside the medical pressure-sensitive adhesive 3 on both sides of the bottom of the base layer 1. The bottom of the base layer 1 is fixedly connected to a dressing 5 located inside the adhesive layer 2, and the top of the base layer 1 is fixedly connected to a protective layer 6. The base layer 1 is fixed to the user's wound by using the adhesive layer 2, and the bottom of the dressing 5 needs to be in contact with the wound. During the contact process, the medical pressure-sensitive adhesive 3 firmly adheres to the skin, while reducing irritation and allergic reactions to the skin. In addition, the medical pressure-sensitive adhesive 3 also has a certain elasticity and tensile strength, which can adapt to the movement and changes of the skin. At the same time, although the air permeability of the hot-melt adhesive layer 4 is poor, its fixing strength is good. The medical pressure-sensitive adhesive 3 arranged at intervals with the hot-melt adhesive layer 4 can assist it in air permeability, ensuring that the tape is comfortable to wear. The protective layer 6 includes an antibacterial fabric 7 fixedly connected to the top of the base layer 1, and a waterproof and breathable fabric 8 is fixedly connected to the top of the antibacterial fabric 7. By arranging the antibacterial fabric 7 and the waterproof and breathable fabric 8, the external protection effect can be improved, the growth of bacteria can be reduced, and the impact of the external environment on the inside of the base layer 1 can be reduced. Both sides of the antibacterial fabric 7 are An extension portion 9 is provided, and the left and right sides of the extension portion 9 extend to the outside of the base layer 1 and penetrate to the bottom of the base layer 1. The extension portion 9 is located between the base layer 1 and the adhesive layer 2. The bottom of the base layer 1 is provided with a ventilation hole 10 located at the bottom of the adhesive layer 2. The top of the ventilation hole 10 sequentially penetrates the base layer 1 and the antibacterial fabric 7 and is interconnected with the top of the antibacterial fabric 7. The waterproof and breathable fabric 8 can cover the ventilation hole 10. The dressing 5 includes a connecting cloth bag 11 fixedly connected to the bottom of the base layer 1 and located inside the ventilation hole 10. The material of the connecting cloth bag 11 is cotton, and the interior of the connecting cloth bag 11 is set to be hollow. The interior of the connecting cloth bag 11 is filled It is filled with absorbent material 12, which is made of sterile cotton. A connecting groove 13 is provided at the bottom of the connecting cloth bag 11. The top of the connecting groove 13 is connected to the inner surface of the connecting cloth bag 11. There are several connecting grooves 13 and they are arranged parallel to each other. Both sides of the top of the waterproof and breathable fabric 8 are fixedly connected with support strips 14, which are made of bendable metal wire. Both sides of the top of the waterproof and breathable fabric 8 are fixedly connected with shielding strips 15, which are located on the top of the support strips 14. The hot melt adhesive layer 4 and the medical pressure-sensitive adhesive 3 are arranged at intervals from each other, and the spacing between the hot melt adhesive layer 4 and the medical pressure-sensitive adhesive 3 is less than two millimeters.

[0038] Specifically, when the sterile medical tape is working / used: when in use, first inject the therapeutic liquid into the absorbent material 12 inside the connecting cloth bag 11. When the absorbent material 12 is fully absorbed, the base layer 1 is adhered and fixed to the user's wound through the adhesive layer 2, and the bottom of the connecting cloth bag 11 needs to be in contact with the wound. During the contact process, the medical pressure-sensitive adhesive 3 firmly adheres to the skin, while reducing irritation and allergic reactions to the skin. In addition, the medical pressure-sensitive adhesive 3 also has a certain elasticity and tensile strength, which can adapt to the movement and changes of the skin. At the same time, although The hot melt adhesive layer 4 has a poor air permeability, but has a good fixing strength. The medical pressure-sensitive adhesive 3 arranged at intervals with the hot melt adhesive layer 4 can assist it in air permeability, ensuring that the tape is comfortable to wear. The connecting cloth bag 11 can use the connecting groove 13 to slowly release the liquid medicine stored inside it, so that the wound is in continuous contact with the liquid medicine. At the same time, the air holes 10 on both sides of the base layer 1 can effectively guide the airflow to prevent the wound from being infected. The waterproof and breathable fabric 8 that blocks the air holes 10 can ensure the air permeability of the air holes 10 on the basis of blocking the external environment.

[0039] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sterile medical tape comprising a base layer (1), characterized in that: Both sides of the bottom of the base layer (1) are provided with an adhesive layer (2), the adhesive layer (2) includes a medical pressure-sensitive adhesive (3) fixedly connected to both sides of the bottom of the base layer (1), both sides of the bottom of the base layer (1) are provided with a hot melt adhesive layer (4) located inside the medical pressure-sensitive adhesive (3), the bottom of the base layer (1) is fixedly connected to a dressing (5) located inside the adhesive layer (2), and the top of the base layer (1) is fixedly connected to a protective layer (6).

2. A sterile medical tape according to claim 1, characterized in that: The protective layer (6) comprises an antibacterial cloth (7) fixedly connected to the top of the base layer (1), and a waterproof and breathable cloth (8) is fixedly connected to the top of the antibacterial cloth (7).

3. A sterile medical tape according to claim 2, characterized in that: Extension portions (9) are provided on both sides of the antibacterial fabric (7), and the left and right sides of the extension portions (9) extend to the outside of the base layer (1) and penetrate to the bottom of the base layer (1), and the extension portions (9) are located between the base layer (1) and the adhesive layer (2).

4. A sterile medical tape according to claim 2, characterized in that: The bottom of the base layer (1) is provided with a ventilation hole (10) located at the bottom of the adhesive layer (2); the top of the ventilation hole (10) passes through the base layer (1) and the antibacterial fabric (7) in sequence and is interconnected with the top of the antibacterial fabric (7); the waterproof and breathable fabric (8) can cover the ventilation hole (10).

5. The sterile medical tape according to claim 1, characterized in that: The dressing (5) comprises a connecting cloth bag (11) fixedly connected to the bottom of the base layer (1) and located inside the air vent (10), and the connecting cloth bag (11) is made of cotton.

6. The sterile medical tape according to claim 5, characterized in that: The interior of the connecting cloth bag (11) is configured to be hollow, and the interior of the connecting cloth bag (11) is filled with an absorbent material (12), wherein the absorbent material (12) is made of sterile cotton.

7. The sterile medical tape according to claim 5, characterized in that: A communication groove (13) is provided at the bottom of the connecting cloth bag (11), and the top of the communication groove (13) is communicated with the inner surface of the connecting cloth bag (11). There are a plurality of communication grooves (13) arranged in parallel with each other.

8. The sterile medical tape according to claim 2, characterized in that: Support bars (14) are fixedly connected to both sides of the top of the waterproof and breathable fabric (8), and the support bars (14) are made of bendable metal wires.

9. The sterile medical tape according to claim 8, characterized in that: Both sides of the top of the waterproof and breathable fabric (8) are fixedly connected with shielding cloth strips (15), and the shielding cloth strips (15) are located on the top of the support strips (14).

10. The sterile medical tape according to claim 1, characterized in that: The hot melt adhesive layer (4) and the medical pressure-sensitive adhesive (3) are arranged at intervals from each other, and the distance between the hot melt adhesive layer (4) and the medical pressure-sensitive adhesive (3) is less than two millimeters.

Citation Information

Patent Citations

  • Medical nonwoven adhesive tape

    CN202568630U