Self-adhesive wound dressing

By improving the structure of self-adhesive wound dressings and using a combination of a moisture-absorbing fiber layer, a breathable surface layer, and a skin-friendly layer, the problems of insufficient breathability and moisture absorption are solved, achieving both breathability and moisture-wicking effects in wound dressings, promoting wound healing and improving comfort.

CN224220322UActive Publication Date: 2026-05-12SUZHOU JINYISHENG BIOTECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU JINYISHENG BIOTECHNOLOGY CO LTD
Filing Date
2025-03-26
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Self-adhesive wound dressings have poor breathability, which can easily cause wound erosion. Their moisture absorption and wicking effects are also not obvious, which can affect wound healing.

Method used

The dressing fabric consists of a moisture-absorbing fiber layer, resin particles, a skin-friendly layer, and a breathable surface layer. It is combined with flexible drug delivery patches, silicone strips, and a self-adhesive layer. The breathable surface layer is woven with bamboo charcoal fiber, the skin-friendly layer is woven with silk fiber, and the moisture-absorbing cotton fiber layer improves breathability and moisture absorption. The bactericidal and anti-inflammatory effects are achieved through the erythromycin ointment layer.

Benefits of technology

It achieves breathability and moisture-wicking properties in wound dressings, preventing wound erosion, promoting wound healing, and improving comfort and antibacterial effects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wound treatment, in particular to a self-adhesive wound dressing, which comprises a dressing fabric, a flexible drug delivery tablet, a silica gel edge strip and a self-adhesive layer, the flexible drug delivery tablet is adhered to the middle of the dressing fabric in a penetrating manner, an erythromycin ointment layer is coated at the bottom of the flexible drug delivery tablet, and the silica gel edge strip is adhered to the self-adhesive layer. The outer edge of the bottom of the dressing fabric is bonded with a silica gel edge strip, and self-bonding layers are arranged at the two ends of the bottom of the dressing fabric and located on the inner side of the silica gel edge strip. The fabric for the dressing is composed of a moisture absorption fiber layer, resin particles, a skin-friendly layer and a breathable surface layer, the breathable surface layer and the skin-friendly layer are arranged on the top surface layer and the bottom surface layer of the moisture absorption fiber layer respectively, and the portions, located between the breathable surface layer and the skin-friendly layer, of the two sides of the moisture absorption fiber layer are filled with the resin particles; the self-adhesive wound dressing is good in ventilation effect, prevents the wound from decaying, has moisture absorption and sweat releasing effects, and prevents the wound from being too humid to influence the healing of the wound.
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Description

Technical Field

[0001] This utility model relates to the field of wound treatment technology, specifically to a self-adhesive wound dressing. Background Technology

[0002] Self-adhesive wound dressings are convenient and easy-to-use medical supplies, primarily used for treating wounds with minor exudation, such as surgical wounds, cuts, and abrasions. Tear open the dressing packaging, remove the protective paper, and gently place the adhesive side of the dressing over the wound, ensuring it completely covers the wound and adheres tightly. Gently press the dressing with your fingers to ensure it adheres completely to the skin.

[0003] Self-adhesive wound dressings have poor breathability, which can easily cause wound erosion. Their moisture-wicking effect is not obvious, and excessive moisture around the wound can affect wound healing. Utility Model Content

[0004] To address the problems in the existing technology, this utility model provides a self-adhesive wound dressing. The self-adhesive wound dressing has good breathability, preventing wound erosion, and has a moisture-wicking effect, preventing the wound area from being too moist and affecting wound healing.

[0005] The technical solution adopted by this utility model to solve its technical problem is a self-adhesive wound dressing, including a dressing fabric, a flexible drug delivery patch, a silicone strip, and a self-adhesive layer. The flexible drug delivery patch is adhered through the middle part of the dressing fabric, the bottom of the flexible drug delivery patch is coated with an erythromycin ointment layer, the bottom outer edge of the dressing fabric is adhered with a silicone strip, and the bottom two ends of the dressing fabric and located inside the silicone strip are provided with a self-adhesive layer.

[0006] The dressing fabric is composed of a moisture-absorbing fiber layer, resin particles, a skin-friendly layer, and a breathable surface layer. The top and bottom surfaces of the moisture-absorbing fiber layer are respectively provided with a breathable surface layer and a skin-friendly layer. Resin particles are filled on both sides of the moisture-absorbing fiber layer and between the breathable surface layer and the skin-friendly layer.

[0007] By adopting the above technical solution, the self-adhesive wound dressing has good breathability, avoids wound decay, and has the effect of absorbing moisture and wicking away sweat, preventing the wound area from being too moist and affecting wound healing.

[0008] Specifically, the moisture-absorbing fiber layer is made of moisture-absorbing cotton fibers and is arranged in a corrugated shape.

[0009] Specifically, the breathable surface layer is woven from bamboo charcoal fiber.

[0010] By adopting the above technical solution, the breathable surface layer is specifically woven from bamboo charcoal fiber, which has good breathability, antibacterial properties, and is not prone to mold.

[0011] Specifically, a release liner is attached to the bottom of the erythromycin ointment layer, and the release liner is specifically made of PVC material.

[0012] Specifically, the skin-friendly layer is woven from silk fibers.

[0013] By adopting the above technical solution, the skin-friendly layer is specifically woven from silk fibers, which has a significant skin-friendly effect, does not absorb water, is highly comfortable, and will not damage the skin.

[0014] The beneficial effects of this utility model are:

[0015] (1) The self-adhesive wound dressing described in this utility model involves peeling off the isolation film at the bottom of the erythromycin ointment layer and placing it directly over the wound. The dressing is then attached to the wound using the self-adhesive layer, which has a bactericidal and anti-inflammatory effect and helps the wound heal. The silicone strip at the bottom of the dressing fabric prevents the edges of the dressing fabric from deforming and lifting, resulting in high smoothness. Furthermore, the self-adhesive layer is located at both ends of the bottom of the dressing fabric, which improves the breathability of both sides of the bottom of the dressing fabric and prevents the wound from decaying.

[0016] (2) The self-adhesive wound dressing described in this utility model utilizes the moisture-absorbing fiber layer and the resin particles filled on both sides to have the effect of moisture absorption and perspiration, so as to avoid the wound being too damp and affecting the wound healing. The breathable surface layer is specifically woven from bamboo charcoal fiber, which has good breathability, antibacterial and antifungal properties, and is not easy to mold. The skin-friendly layer is specifically woven from silk fiber, which has a significant skin-friendly effect, does not absorb water on the surface, is highly comfortable, and will not damage the skin. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a cross-sectional view of the flexible drug delivery tablet of this utility model;

[0020] Figure 3 This is a schematic diagram of the fabric material layer structure for the dressing of this utility model.

[0021] In the diagram: 1. Dressing fabric; 2. Flexible drug delivery patch; 3. Silicone edge strip; 4. Self-adhesive layer; 5. Erythromycin ointment layer; 6. Release membrane; 7. Moisture-absorbing fiber layer; 8. Resin particles; 9. Skin-friendly layer; 10. Breathable surface layer. Detailed Implementation

[0022] 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.

[0023] To ensure the self-adhesive wound dressing has good breathability, prevents wound erosion, and has moisture-wicking properties to avoid excessive moisture around the wound and hinder healing, such as... Figure 1-3 As shown, the self-adhesive wound dressing of this utility model includes a dressing fabric 1, a flexible drug delivery sheet 2, a silicone strip 3, and a self-adhesive layer 4. The flexible drug delivery sheet 2 is bonded through the middle part of the dressing fabric 1. The bottom of the flexible drug delivery sheet 2 is coated with an erythromycin ointment layer 5. The silicone strip 3 is bonded to the outer edge of the bottom of the dressing fabric 1. The self-adhesive layer 4 is provided at both ends of the bottom of the dressing fabric 1 and inside the silicone strip 3.

[0024] The dressing fabric 1 is composed of a moisture-absorbing fiber layer 7, resin particles 8, a skin-friendly layer 9, and a breathable surface layer 10. The top and bottom surfaces of the moisture-absorbing fiber layer 7 are respectively provided with the breathable surface layer 10 and the skin-friendly layer 9. Resin particles 8 are filled on both sides of the moisture-absorbing fiber layer 7 and between the breathable surface layer 10 and the skin-friendly layer 9.

[0025] When in use, self-adhesive wound dressings have good breathability, preventing wound decay, and have a moisture-wicking effect, preventing the wound area from becoming too damp and affecting wound healing.

[0026] For example, such as Figure 3 As shown, the present invention also includes, specifically, the moisture-absorbing fiber layer 7, which is moisture-absorbing cotton fiber and is arranged in a corrugated shape.

[0027] When in use, the corrugated shape increases the surface area for moisture absorption, thus improving the moisture absorption effect.

[0028] For example, such as Figure 3 As shown, the present invention also includes a breathable surface layer 10 that is specifically woven from bamboo charcoal fiber.

[0029] When in use, the breathable surface layer 10 is made of bamboo charcoal fiber, which has good breathability, antibacterial properties, and is not prone to mold.

[0030] For example, such as Figure 2 As shown, the present invention also includes a release liner 6 attached to the bottom of the erythromycin ointment layer 5, and the release liner 6 is specifically made of PVC material.

[0031] When in use, PVC material is inexpensive, easy to process and produce, and has a significant isolation effect on the erythromycin ointment layer 5.

[0032] For example, such as Figure 3 As shown, the present invention also includes a skin-friendly layer 9 that is specifically woven from silk fibers.

[0033] When in use, the skin-friendly layer 9 is made of silk fiber, which has a significant skin-friendly effect, does not absorb water, is highly comfortable, and will not damage the skin.

[0034] When using this invention, the release film 6 at the bottom of the erythromycin ointment layer 5 is peeled off and placed directly over the wound. The self-adhesive layer 4 is used to attach the dressing to the wound, which has a bactericidal and anti-inflammatory effect and helps the wound to heal. The silicone strip 3 at the bottom of the dressing fabric 1 makes the edges of the dressing fabric 1 less prone to deformation and lifting, and has high smoothness. The self-adhesive layer 4 is located at both ends of the bottom of the dressing fabric 1, which makes the breathability of the bottom sides of the dressing fabric 1 good and prevents the wound from decaying.

[0035] The moisture-absorbing fiber layer 7 and the resin particles 8 filling both sides have the effect of absorbing moisture and sweating, avoiding excessive moisture around the wound and affecting wound healing. The breathable surface layer 10 is specifically woven from bamboo charcoal fiber, which has good breathability, antibacterial and antifungal properties, and is not easy to mold. The skin-friendly layer 9 is specifically woven from silk fiber, which has a significant skin-friendly effect, does not absorb water on the surface, is highly comfortable, and will not damage the skin.

[0036] 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 descriptions of the above embodiments and specifications 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 protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A self-adhesive wound dressing, characterized in that, The dressing includes a dressing fabric (1), a flexible drug delivery patch (2), a silicone strip (3), and a self-adhesive layer (4). The flexible drug delivery patch (2) is bonded through the middle part of the dressing fabric (1). The bottom of the flexible drug delivery patch (2) is coated with an erythromycin ointment layer (5). The outer edge of the bottom of the dressing fabric (1) is bonded with a silicone strip (3). The self-adhesive layer (4) is provided at both ends of the bottom of the dressing fabric (1) and inside the silicone strip (3). The dressing fabric (1) is composed of a moisture-absorbing fiber layer (7), resin particles (8), a skin-friendly layer (9) and a breathable surface layer (10). The top and bottom surfaces of the moisture-absorbing fiber layer (7) are respectively provided with a breathable surface layer (10) and a skin-friendly layer (9). Resin particles (8) are filled on both sides of the moisture-absorbing fiber layer (7) and between the breathable surface layer (10) and the skin-friendly layer (9).

2. The self-adhesive wound dressing according to claim 1, characterized in that, The moisture-absorbing fiber layer (7) is specifically moisture-absorbing cotton fiber and is arranged in a corrugated shape.

3. The self-adhesive wound dressing according to claim 1, characterized in that, The breathable surface layer (10) is specifically woven from bamboo charcoal fiber.

4. The self-adhesive wound dressing according to claim 1, characterized in that, The bottom of the erythromycin ointment layer (5) is attached with a release film (6), and the release film (6) is specifically made of PVC material.

5. The self-adhesive wound dressing according to claim 1, characterized in that, The skin-friendly layer (9) is specifically woven from silk fibers.