High-comfort sterile application

By designing high-comfort sterile patches, using a combined structure of breathable non-woven fabric, sterile layer, waterproof layer and core layer, the existing patches are uncomfortable and difficult to prevent water and sterilize, and efficient ointment moisturizing and bacterial protection are achieved.

CN222752221UActive Publication Date: 2025-04-15JIANGSU HONGSHENG BIOLOGICAL ENG CO LTD
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Patent Information

Application Number
CN202421354423.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-04-15
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

The existing medical applicators are uncomfortable when applied to the skin due to the use of high-strength elastic materials, and are difficult to prevent water and sterilization, resulting in a reduced effect of the ointment and prolong recovery time.

Method used

A high-comfort sterile patch is designed, using a combined structure of breathable non-woven fabric, sterile layer, waterproof layer and a medicament core layer. The sterile layer consists of a first waterproof and breathable film, an alcohol liquid and a second waterproof and breathable film, the waterproof layer consists of a layered structure filled with polyurethane foam, and the core layer consists of chemical fiber gauze, ointment blocks and pure cotton gauze.

Benefits of technology

A high-comfort application is achieved to prevent bacteria from entering the ointment, improve waterproof performance, extend the service life of the application, and improve the therapeutic effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-comfort sterile application which comprises a breathable non-woven fabric, a sterile layer is arranged on the outer surface of one side of the breathable non-woven fabric, a waterproof layer is arranged on the outer surface of one side of the sterile layer, a medicine core layer is arranged on the outer surface of one side of the waterproof layer, and the sterile layer comprises a first waterproof breathable film and a second waterproof breathable film. The portion between the second waterproof breathable film and the first waterproof breathable film is filled with alcohol liquid, the waterproof layer comprises a first filling layer and a second filling layer, a water-soluble layer is connected between the first filling layer and the second filling layer in a hot melting mode, and the medicine core layer comprises a first protective layer and a second protective layer. An ointment block is arranged between the first protective layer and the second protective layer. According to the utility model, the sterile layer is designed, the sterile layer has very high waterproof air permeability and sterilization performance, the waterproof layer is also designed, the waterproof layer has high liquid absorption capability, the waterproof performance of the patch is convenient to improve, and the whole used material of the patch is soft and high in comfort level.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical sterile dressing design, in particular to a high-comfort sterile dressing. Background Art

[0002] As a special Chinese medicine therapy, the patch mainly uses Chinese medicine paste to stick on non-woven fabric and then stick it on the patient's affected area. It exerts its medicinal effect through skin absorption, thereby alleviating the patient's pain. It is mainly used to treat orthopedic diseases, such as rheumatic bone pain, cervical and lower back pain, contusions, bone hyperplasia, lumbar disc herniation, etc.

[0003] In order to improve its strength, existing medical dressings are often made of high-strength elastic materials with high hardness. When applied to human skin, the skin will obviously feel a foreign body sensation, which is very uncomfortable. In addition, it is not easy to be waterproof and antibacterial. Water vapor or bacteria enter the ointment, which will greatly reduce the effectiveness of the ointment and thus prolong the user's recovery time.

[0004] Therefore, in view of this, the applicant has studied and improved the existing structural deficiencies and proposed a high-comfort sterile dressing to solve the above problems. Summary of the invention

[0005] The utility model aims to provide a high-comfort aseptic dressing, which solves the problems raised in the above-mentioned background technology by improving the traditional single-layer insulation layer and wear-resistant layer.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-comfort sterile dressing, comprising a breathable non-woven fabric, a sterile layer is arranged on one outer surface of the breathable non-woven fabric, a waterproof layer is arranged on one outer surface of the sterile layer, and a medicine core layer is arranged on one outer surface of the waterproof layer, the sterile layer comprises a first waterproof breathable membrane, and the first waterproof breathable membrane is bonded to the breathable non-woven fabric, a second waterproof breathable membrane is bonded to one outer surface of the first waterproof breathable membrane, and alcohol liquid is filled between the second waterproof breathable membrane and the first waterproof breathable membrane, the waterproof layer comprises a first filling layer, and one outer surface of the first filling layer is bonded to the second waterproof breathable membrane, one outer surface of the first filling layer is hot-melt connected to a water-soluble layer, and one outer surface of the water-soluble layer is hot-melt connected to the second filling layer, the medicine core layer comprises a first protective layer, and one outer surface of the first protective layer is bonded to the second filling layer, one outer surface of the first protective layer is sutured to the second protective layer, and an ointment block is arranged between the second protective layer and the first protective layer.

[0007] Preferably, the first waterproof breathable membrane and the second waterproof breathable membrane are the same, both comprising two PP spunbonded non-woven fabrics, and a PE polymer breathable membrane is arranged between the opposite surfaces of the two PP spunbonded non-woven fabrics.

[0008] Preferably, the first filling layer and the second filling layer are both filled with polyurethane foam plastic in a compacted filling manner.

[0009] Preferably, the water-soluble layer is compacted and filled with water-absorbent resin water-soluble swelling material.

[0010] Preferably, the first protective layer is a chemical fiber gauze woven from chemical fiber cloth strips, and the second protective layer is a pure cotton gauze woven from cotton bundle yarns.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model is designed with a sterile layer and a medicine core layer. The sterile layer is composed of a first waterproof breathable membrane, an alcohol liquid and a second waterproof breathable membrane. The alcohol liquid has a high-intensity bactericidal ability, which is convenient for preventing bacteria from entering the ointment block. The first waterproof breathable membrane and the second waterproof breathable membrane are composed of a PP spunbond non-woven fabric and a PE polymer breathable membrane, which have high waterproof and breathable properties, are convenient for skin ventilation, and have high comfort. The medicine core layer is composed of a combination of chemical fiber gauze, an ointment block and pure cotton gauze. The chemical fiber gauze is firm and not easily damaged, which is convenient for stabilizing the ointment block. The pure cotton gauze has good air permeability and strong hygroscopicity, which is convenient for improving the comfort of use.

[0013] 2. The utility model is designed with a waterproof layer, which is composed of a first filling layer, a water-soluble layer and a second filling layer. The water-soluble layer is compacted and filled with a water-absorbent resin water-soluble swelling material. The water-absorbent resin water-soluble swelling material has a high liquid absorption capacity, which is convenient for improving the waterproof performance of the patch. The first filling layer and the second filling layer are filled with polyurethane foam plastics by compaction filling. The polyurethane foam plastics have excellent elasticity, softness, elongation and compression strength, which is convenient for filling the gaps caused by the water-soluble layer absorbing water and deforming, which will improve the waterproof performance of the patch, and it is highly flexible and comfortable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the aseptic layer splitting structure of the utility model;

[0016] Figure 3 It is a schematic diagram of a three-dimensional cross-sectional structure of a first waterproof and breathable membrane of the utility model;

[0017] Figure 4 This is a schematic diagram of the waterproof layer split structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the split structure of the drug core layer of the utility model;

[0019] Figure 6It is a schematic diagram of the overall hierarchical structure of the utility model.

[0020] In the figure: 1. breathable non-woven fabric; 2. sterile layer; 3. waterproof layer; 4. drug core layer; 20. first waterproof breathable membrane; 21. alcohol liquid; 22. second waterproof breathable membrane; 30. first filling layer; 31. water-soluble layer; 32. second filling layer; 40. first protective layer; 41. ointment block; 42. second protective layer; 200. PP spunbond non-woven fabric; 201. PE polymer breathable membrane. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1-Figure 6 As shown, a high-comfort sterile dressing includes a breathable non-woven fabric 1, a sterile layer 2 is arranged on one outer surface of the breathable non-woven fabric 1, a waterproof layer 3 is arranged on one outer surface of the sterile layer 2, and a drug core layer 4 is arranged on one outer surface of the waterproof layer 3.

[0023] The sterile layer 2 includes a first waterproof breathable membrane 20, and the first waterproof breathable membrane 20 is bonded to the breathable non-woven fabric 1, a second waterproof breathable membrane 22 is bonded to the outer surface of one side of the first waterproof breathable membrane 20, and an alcohol liquid 21 is filled between the second waterproof breathable membrane 22 and the first waterproof breathable membrane 20, and the alcohol liquid 21 has a high-intensity bactericidal ability, which is convenient for preventing bacteria from entering the ointment block 41. The first waterproof breathable membrane 20 and the second waterproof breathable membrane 22 are the same, both of which include two PP spunbonded non-woven fabrics 200, and a PE polymer breathable membrane 201 is arranged between the opposite surfaces of the two PP spunbonded non-woven fabrics 200, which has a high Waterproof and breathable performance, easy for skin to breathe, high comfort, the medicine core layer 4 includes a first protective layer 40, and one side outer surface of the first protective layer 40 is bonded to the second filling layer 32, one side outer surface of the first protective layer 40 is sewn and connected with the second protective layer 42, and an ointment block 41 is arranged between the second protective layer 42 and the first protective layer 40, the first protective layer 40 is a chemical fiber gauze woven from chemical fiber cloth strips, and the second protective layer 42 is a pure cotton gauze woven from cotton bundle yarn. The chemical fiber gauze is firm and not easy to be damaged, which is convenient for stabilizing the ointment block 41. The pure cotton gauze has good air permeability and strong moisture absorption, which is convenient for improving the comfort of use.

[0024] The waterproof layer 3 includes a first filling layer 30, and one side outer surface of the first filling layer 30 is bonded to the second waterproof breathable membrane 22, one side outer surface of the first filling layer 30 is hot-melt connected to the water-soluble layer 31, and one side outer surface of the water-soluble layer 31 is hot-melt connected to the second filling layer 32, the first filling layer 30 and the second filling layer 32 are filled with polyurethane foam plastic in a compacted filling manner, the water-soluble layer 31 is compacted and filled with water-absorbent resin water-soluble swelling material, the water-absorbent resin water-soluble swelling material has high liquid absorption capacity, which is convenient for improving the waterproof performance of the patch, the first filling layer 30 and the second filling layer 32 are filled with polyurethane foam plastic in a compacted filling manner, the polyurethane foam plastic has excellent elasticity, softness, elongation and compression strength, which is convenient for filling the gaps caused by the water absorption and deformation of the water-soluble layer 31, which will improve the waterproof performance of the patch, and it is highly flexible and comfortable.

[0025] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A high-comfort sterile dressing, comprising a breathable nonwoven fabric (1), characterized in that: A sterile layer (2) is provided on one outer surface of the breathable non-woven fabric (1), a waterproof layer (3) is provided on one outer surface of the sterile layer (2), and a drug core layer (4) is provided on one outer surface of the waterproof layer (3); The sterile layer (2) comprises a first waterproof breathable membrane (20), and the first waterproof breathable membrane (20) is bonded to the breathable non-woven fabric (1); a second waterproof breathable membrane (22) is bonded to an outer surface of one side of the first waterproof breathable membrane (20), and an alcohol liquid (21) is filled between the second waterproof breathable membrane (22) and the first waterproof breathable membrane (20); The waterproof layer (3) comprises a first filling layer (30), and one side outer surface of the first filling layer (30) is bonded to the second waterproof breathable membrane (22), one side outer surface of the first filling layer (30) is hot-melt-connected to a water-soluble layer (31), and one side outer surface of the water-soluble layer (31) is hot-melt-connected to a second filling layer (32); The drug core layer (4) comprises a first protective layer (40), and one side outer surface of the first protective layer (40) is bonded to the second filling layer (32), one side outer surface of the first protective layer (40) is sutured to the second protective layer (42), and an ointment block (41) is provided between the second protective layer (42) and the first protective layer (40).

2. A high comfort sterile dressing according to claim 1, characterized in that: The first waterproof breathable membrane (20) and the second waterproof breathable membrane (22) are identical, both comprising two PP spunbond non-woven fabrics (200), and a PE polymer breathable membrane (201) is provided between the opposing surfaces of the two PP spunbond non-woven fabrics (200).

3. A high comfort sterile dressing according to claim 1, characterized in that: The first filling layer (30) and the second filling layer (32) are both filled with polyurethane foam plastic in a compacted filling manner.

4. A high comfort sterile dressing according to claim 1, characterized in that: The water-soluble layer (31) is compacted and filled with water-absorbent resin water-soluble swelling material.

5. The high comfort sterile dressing according to claim 1, characterized in that: The first protective layer (40) is a chemical fiber gauze woven from chemical fiber cloth strips, and the second protective layer (42) is a pure cotton gauze woven from cotton bundle yarns.