High-moisture-permeability wound plaster
By combining a polyurethane film, absorbent pad, and release paper with a fixation component, the problems of insufficient moisture permeability and adhesion are solved, achieving high moisture permeability, gentle adhesion, and stable fixation of the wound dressing, thus reducing patient pain.
Patent Information
- Application Number
- CN202520218641.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Existing breathable wound dressings lack sufficient breathability and adhesion, are difficult to peel off, and have poor fixation on frequently moving limbs, resulting in inconvenience and patient discomfort.
The structure uses a polyurethane film, absorbent pad, and release paper, combined with polyurethane pressure-sensitive adhesive and fixing components, including fixing plates, limiting grooves, limiting rings, connecting strips, and connecting blocks. Stable fixation and easy peeling are achieved through the deformation of the rubber sheet and the connection of Velcro.
It improves the breathability and adhesion of wound dressings, makes them easy to peel off, reduces patient pain, and provides stable fixation in mobile areas, thus improving user comfort.
Smart Images

Figure CN223914314U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wound dressing technical field especially, relate to a kind of high moisture-permeable wound dressing. BACKGROUND
[0002] Wound dressing is a kind of medical equipment for covering and protecting wound, it is used for wound care, can relieve swelling and inflammation around wound, promote blood circulation and lymph flow, help to recover damaged tissue, there are many kinds and materials of wound dressing, according to different materials and manufacturing process, it can be divided into transparent dressing, hydrocolloid dressing, silicon adhesive dressing, gauze dressing, foam dressing and multiple types, these dressings have certain characteristics and application range.
[0003] At present, existing moisture-permeable wound dressing, acrylic pressure-sensitive adhesive is used more, it is usually composed of adhesive layer, absorption pad and release layer, its peelability is poor, not easy to peel repeatedly, moisture-permeability is weak, wound care effect is poor, and when wound dressing is attached to the limb part of frequent activity, the fixing property of wound dressing is poor, and the paste position is often deviated, it is inconvenient to use.
[0004] How to improve the moisture-permeability of wound dressing, and paste performance is mild, peeling is convenient and easy, reduce the pain of patient, when wound dressing is attached to the limb part of frequent activity, improve the stability of wound dressing fixation, become a technical problem that needs to be broken through.
[0005] From the above, it is obvious that the prior art has inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENTS
[0006] In view of the above-mentioned defects, the utility model aims at providing a kind of high moisture-permeable wound dressing, its structure is simple, can improve the moisture-permeability of wound dressing, and paste performance is mild, peeling is convenient and easy, reduce the pain of patient, when wound dressing is attached to the limb part of frequent activity, improve the stability of wound dressing fixation.
[0007] In order to realize the above-mentioned purpose, the utility model provides a kind of high moisture-permeable wound dressing, including polyurethane film, absorption pad for absorbing exudate at wound place and release paper that are sequentially arranged, polyurethane film is coated with polyurethane pressure-sensitive adhesive.
[0008] Tear off release paper, make absorption pad face wound place, polyurethane film and polyurethane pressure-sensitive adhesive can be used to fix absorption pad at wound place.
[0009] The end of polyurethane film away from absorption pad is equipped with fixing assembly for fixing polyurethane film.
[0010] The high moisture-permeable wound dressing disclosed by the utility model is characterized in that the fixing assembly comprises a fixing sheet fixed on the polyurethane film, the fixing sheet is provided with an avoiding hole matched with the absorbing pad, the fixing sheet is provided with a limiting groove, the limiting groove is provided with a limiting ring matched with the limiting groove, the limiting ring is symmetrically connected with a connecting belt, and the connecting belt is provided with a connecting block matched with each other.
[0011] According to the high moisture-permeable wound dressing, one connecting block is located at one end of one connecting belt away from the release paper, and the other connecting block is located at one end of the other connecting belt close to the release paper.
[0012] According to the high moisture-permeable wound dressing, the connecting belt provided with the connecting block at one end away from the release paper is provided with an anti-skid block, and the anti-skid block is arranged at one end of the connecting belt close to the release paper.
[0013] According to the high moisture-permeable wound dressing, the connecting belt, the limiting ring and the anti-skid block are all rubber sheets.
[0014] According to the high moisture-permeable wound dressing, the absorbing pad is a needle-punched non-woven fabric covered with a layer of diaphragm, and the diaphragm is provided with a plurality of micropores.
[0015] According to the high moisture-permeable wound dressing, the diaphragm is a polyethylene film, and the diaphragm prevents the invasion of water and bacteria.
[0016] According to the high moisture-permeable wound dressing, the limiting ring is a sheet-shaped structure with a hollow hole, and the cross-sectional area of the hollow hole and the avoiding hole is greater than the cross-sectional area of the absorbing pad.
[0017] The utility model discloses a kind of high moisture-permeable wound dressings, including polyurethane film, absorbing pad and release paper, polyurethane film, absorbing pad and release paper are matched with each other, can promote the moisture permeability of wound dressing, paste performance is gentle, peeling is easy and relaxed, alleviate patient's suffering;When polyurethane film needs to be attached to the limb part of patient frequently active, after absorbing pad is fixed at wound, limiting ring is embedded in limiting groove, two connecting belts are around the limbs of patient, finally, using two connecting blocks are matched with each other, the position of fixed connecting belt, i.e. it can promote the stability of polyurethane film fixation. Above all, the beneficial effects of the utility model are as follows: the moisture permeability of wound dressing can be improved, and the paste performance is gentle, peeling is easy and relaxed, and the patient's suffering is alleviated. When wound dressing is attached to the limb part of frequently active, the stability of wound dressing fixation is improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a structure diagram of the utility model;
[0019] Figure 2 It is a sectional view of polyurethane pressure-sensitive adhesive position;
[0020] Figure 3 is a structure diagram when the fixing piece is fixed;
[0021] Figure 4 is a structure diagram when the fixing assembly is installed;
[0022] In the figure: 1-polyurethane film, 11-polyurethane pressure sensitive adhesive, 12-absorbent pad, 13-release paper, 2-fixing assembly, 21-fixing piece, 211-limiting groove, 22-limiting ring, 23-connecting belt, 231-connecting block, 232-anti-skid block. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.
[0024] In the description of the utility model, it should be pointed out that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.
[0025] In the description of the utility model, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, can be the communication between two elements, and for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0026] Referring to Figures 1-4 The utility model provides a kind of high moisture-permeable wound dressing, including sequentially arranged polyurethane film 1, absorbent pad 12 and release paper 13, absorbent pad 12 is arranged between polyurethane film 1 and release paper 13, absorbent pad 12 has certain adsorption capacity, polyurethane film 1 is coated with polyurethane pressure sensitive adhesive 11;When using, tear off release paper 13, make absorbent pad 12 directly opposite wound, i.e. using polyurethane film 1 and polyurethane pressure sensitive adhesive 11, absorbent pad 12 is fixed in wound.
[0027] Referring to Figures 1-4Specifically, the absorbent pad 12 is a needle-punched non-woven fabric covered with a layer of membrane (the layer of membrane is usually a polyethylene film, which has good waterproof performance and can prevent the invasion of water and bacteria while allowing water vapor to pass through, thus protecting the wound and maintaining the microenvironment of the wound, which is conducive to wound healing).
[0028] Referring to Figures 1-4 , the polyurethane film 1 is provided with a fixing assembly 2 at one end away from the absorbent pad 12 for fixing the polyurethane film 1, the fixing assembly 2 comprises a fixing sheet 21 fixed to the polyurethane film 1, the middle part of the fixing sheet 21 is provided with an avoiding hole matched with the absorbent pad 12, the cross-sectional area of the avoiding hole is larger than that of the absorbent pad 12, the fixing sheet 21 can avoid the absorbent pad 12 to prevent the absorbent pad 12 from being squeezed during fixing, which affects the use effect of the absorbent pad 12, the fixing sheet 21 is provided with a limiting groove 211, the limiting groove 211 is provided with a limiting ring 22 matched with the limiting groove 211, the limiting ring 22 is a sheet structure with a hollow hole, and the cross-sectional area of the hollow hole is larger than that of the absorbent pad 12, the limiting ring 22 can be embedded in the limiting groove 211, the limiting ring 22 is symmetrically connected with a connecting belt 23, the connecting belt 23 and the limiting ring 22 both have a certain deformation ability, the connecting belt 23 is provided with a connecting block 231 matched with each other, the two connecting blocks 231 are arranged at one end of the two connecting belts 23 away from each other (one of the connecting blocks 231 is located at one end of one of the connecting belts 23 away from the release paper 13, and the other connecting block 231 is located at one end of the other connecting belt 23 close to the release paper 13), when the two connecting blocks 231 cooperate with each other, the connecting belt 23 can be fixed; when the polyurethane film needs to be attached to the limb part of the patient who often moves, the limiting ring 22 is embedded in the limiting groove 211, the two connecting belts 23 are wrapped around the patient's limb, and finally the position of the connecting belt 23 is fixed by the cooperation of the two connecting blocks 231, that is, the fixing is completed.
[0029] Referring to Figures 1-4 , preferably, the connecting belt 23 provided with the connecting block 231 away from the release paper 13 is provided with an anti-skid block 232 arranged at one end of the connecting belt 23 close to the release paper 13, after the connecting belt 23 is wrapped around the patient's limb, the anti-skid block 232 can prevent the connecting belt 23 from sliding, further improving the stability of the fixing of the polyurethane film 1.
[0030] Referring to Figures 1-4 , preferably, the connecting belt 23, the limiting ring 22 and the anti-skid block 232 are all rubber sheets, which have deformation ability and can adapt to different thicknesses of different patients' limbs, thus improving the application range.
[0031] Referring to Figures 1-4The two connecting blocks 231 are connected to each other, preferably by means of a Velcro fastener.
[0032] Referring to Figures 1-4 In use, the release paper 13 is torn off, the absorbent pad 12 is placed against the wound, and the absorbent pad 12 is fixed to the wound by the polyurethane film 1 and the polyurethane pressure-sensitive adhesive 11.
[0033] The high-moisture-permeable wound dressing provided by the utility model has the advantages of high moisture permeability, mild adhesion, easy peeling, reduced pain of patients, and improved stability of the polyurethane film when the polyurethane film is attached to the limb of a patient who frequently moves.
[0034] Of course, the utility model also has other various embodiments, and those skilled in the art can make various corresponding changes and modifications according to the utility model without departing from the spirit and essence of the utility model, but these corresponding changes and modifications should belong to the protection scope of the claims attached to the utility model.
Claims
1. A high moisture vapor permeable wound dressing, characterized in that, The polyurethane film, the absorbent pad and the release paper are sequentially arranged, and the polyurethane film is coated with a polyurethane pressure-sensitive adhesive; The release paper is torn off, and the absorbent pad is placed against the wound, so that the polyurethane film and the polyurethane pressure-sensitive adhesive are used to fix the absorbent pad to the wound; The end of the polyurethane film away from the absorbent pad is provided with a fixing assembly for fixing the polyurethane film, the fixing assembly comprises a fixing sheet fixed to the polyurethane film, the fixing sheet is provided with an avoiding hole matched with the absorbent pad, the fixing sheet is provided with a limiting slot, the limiting slot is provided with a limiting ring matched with the limiting slot, the limiting ring is symmetrically connected with a connecting belt, and the connecting belt is provided with a connecting block matched with each other.
2. The high-moisture-transmission wound dressing according to claim 1, characterized in that One of the connecting blocks is located at one end of one connecting belt away from the release paper, and the other connecting block is located at one end of the other connecting belt close to the release paper.
3. The high-moisture-transmission wound dressing according to claim 2, characterized in that The connecting belt provided with the connecting block away from the release paper is provided with an anti-skid block, and the anti-skid block is arranged at one end of the connecting belt close to the release paper.
4. The high-moisture-permeable wound dressing according to claim 3, characterized in that The connecting belt, the limiting ring and the anti-skid block are all rubber sheets.
5. The high-moisture-transmission wound dressing of claim 1, wherein, The absorbent pad is a needle-punched non-woven fabric covered with a diaphragm, and the diaphragm is provided with a plurality of micropores.
6. The high-moisture-permeable wound dressing according to claim 5, characterized in that The diaphragm is a polyethylene film, which prevents the invasion of water and bacteria.
7. The high-moisture-transmission wound contact of claim 1, wherein, The limiting ring is a sheet structure with a hollow hole, and the cross-sectional area of the hollow hole and the avoiding hole is greater than that of the absorbent pad.