Multi-purpose waterproof dressing patch with double-ring protective water-proof function
By designing a multi-purpose waterproof dressing with double-ring protection and water-repellent function, and utilizing the double-ring sealing connection of the outer and inner protective layers and the ball-shaped protrusion design, the problem of poor waterproof effect of existing dressings is solved, achieving a waterproof effect that eliminates the need for frequent dressing changes and prevents wound infection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- PEKING UNIVERSITY FIRST HOSPITAL (PEKING UNIVERSITY FIRST CLINICAL MEDICAL COLLEGE)
- Filing Date
- 2025-04-18
- Publication Date
- 2026-06-23
Smart Images
Figure CN224387639U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, and in particular to a multi-purpose waterproof dressing with double-ring protective water-proof function. Background Technology
[0002] Currently, the number of patients using dialysis catheters, CVC (central venous catheter), and PICC (peripherally inserted central venous catheters) is gradually increasing. After catheter placement, patients are often advised not to shower to prevent infection of the puncture site and wound. Even after discharge, some patients are often troubled by the issue of showering. Existing dressings have poor waterproofing, and there are few catheter-specific waterproof dressings available. When patients need to shower, they need to apply a waterproof dressing, and after use, they need to remove it and replace it with a new protective dressing for the puncture site or wound, making showering inconvenient. Post-operative patients or those with small wounds are also often troubled by poor waterproofing of dressings. During daily showers, swimming, or water activities such as at the beach, inadequate sealing of the dressing often leads to wound infection and delayed healing. Utility Model Content
[0003] Based on the above analysis, the present invention aims to provide a multi-purpose waterproof dressing with double-ring protection and water-repellent function to solve the problem of poor waterproof effect of existing dressings used for patients with catheters and wounds during postoperative or daily water activities, which leads to wound inflammation, and further solves the problem of frequent dressing changes.
[0004] The objective of this utility model is mainly achieved through the following technical solutions:
[0005] A multi-purpose waterproof dressing with double-ring protective water-repellent function includes an outer protective layer, a release paper layer and an inner protective layer, wherein the release paper layer is disposed between the outer protective layer and the inner protective layer;
[0006] The outer protective layer includes a first adhesive area, a waterproof area, and a release paper adhesive area, wherein the first adhesive area is arranged around the waterproof area and the release paper adhesive area;
[0007] The inner protective layer includes a flanged area, a second adhesive area, a skin-friendly area, and a third adhesive area. The flanged area surrounds the skin-friendly area. One side of the second adhesive area is connected to one side of the release paper layer, and the other side of the second adhesive area is connected to the flanged area. The other side of the release paper layer is connected to the release paper adhesive area. The third adhesive area is located at the bottom edge of the skin-friendly area.
[0008] Furthermore, the release paper pasting area is located in the waterproof area, and the waterproof area is divided into an outer protective area and an inner observation area.
[0009] Furthermore, the waterproof area includes a waterproof layer and an absorbent layer, with the waterproof layer disposed on the outside of the absorbent layer.
[0010] Furthermore, the waterproof layer is transparent.
[0011] Furthermore, the inner side of the absorbent layer is provided with a ball-shaped protrusion.
[0012] Furthermore, it also includes a fourth adhesive area, wherein both sides of the release paper layer are connected to the second adhesive area and the fourth adhesive area, respectively.
[0013] Furthermore, one side of the fourth adhesive area is connected to the release paper adhesive area, and the other side is connected to the release paper layer.
[0014] Furthermore, the absorbent layer is arranged in a U-shape.
[0015] Furthermore, the first adhesive area is located at the periphery of the waterproof layer.
[0016] Furthermore, the second adhesive area is located around the perimeter of the skin-friendly area.
[0017] Compared with the prior art, the present invention can achieve at least the following beneficial effects:
[0018] (1) The outer protective layer of this utility model has a first adhesive area and a waterproof area located in the first adhesive area. A release paper adhesive area is also provided in the waterproof area. A second adhesive area is provided on the folded edge area of the inner protective layer. The second adhesive area is adhered to one side of the release paper layer. The release paper adhesive area of the outer protective layer is adhered to the other side of the release paper layer. The skin-friendly area covers the user's puncture site or wound. The outer protective layer has a waterproof effect. The first adhesive area is adhered to the patient's skin. The inner waterproof area is used to prevent water from seeping into the wound. A third adhesive area is provided at the bottom of the skin-friendly area. The first adhesive area and the third adhesive area are simultaneously adhered to the user's skin to form a double-ring sealed connection. There is a waterproof area between the two, and the waterproof effect is good. After taking a bath, the outer protective layer is peeled off, the folded edge area is folded back to the skin-friendly area, and the second adhesive area is used to stick it to the skin. There is no need to change the waterproof patch and the auxiliary patch back and forth.
[0019] (2) The waterproof area of this utility model includes a waterproof layer and an absorbent layer. The waterproof layer is located on the outside of the absorbent layer. The waterproof layer is transparent, which makes it easy to observe the wound or the tube placement. The bottom (inner side) of the absorbent layer is a ball-shaped protrusion, which can prevent water vapor from seeping in.
[0020] In this invention, the above-described technical solutions can be combined with each other to achieve more preferred combinations. Other features and advantages of this invention will be set forth in the following description, and some advantages will become apparent from the description or be learned by practicing this invention. The objectives and other advantages of this invention can be realized and obtained through the details specifically pointed out in the text and accompanying drawings. Attached Figure Description
[0021] The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of the invention. Throughout the drawings, the same reference numerals denote the same parts.
[0022] Figure 1 This is a schematic cross-sectional view of a multi-purpose waterproof dressing with double-ring protective water-repellent function according to a specific embodiment.
[0023] Figure 2 This is a schematic diagram of the planar structure of a multi-purpose waterproof dressing with double-ring protective water-repellent function according to a specific embodiment.
[0024] Figure 3 This is an exploded structural diagram of the waterproof auxiliary material patch in a specific embodiment.
[0025] Figure label:
[0026] 1-Outer protective layer; 11-First adhesive area; 12-Waterproof area; 121-Waterproof layer; 122-Absorbent layer; 123-Outer protective area; 124-Inner observation area; 125-Spherical protrusion; 13-Release paper adhesive area; 2-Release paper layer; 3-Inner protective layer; 31-Flanged area; 32-Second adhesive area; 33-Skin-friendly area; 34-Third adhesive area; 4-Fourth adhesive area. Detailed Implementation
[0027] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.
[0028] A specific embodiment of this utility model, combined with Figure 1 , Figure 2 and Figure 3As shown, a multi-purpose waterproof dressing with double-ring protective water-repellent function is disclosed, including an outer protective layer 1, a release paper layer 2, and an inner protective layer 3, with the release paper layer 2 disposed between the outer protective layer 1 and the inner protective layer 3. The outer protective layer 1 includes a first adhesive area 11, a waterproof area 12, and a release paper adhesive area 13, with the first adhesive area 11 surrounding the waterproof area 12 and the release paper adhesive area 13. The inner protective layer 3 includes a flanged area 31, a second adhesive area 32, a skin-friendly area 33, and a third adhesive area 34, with the flanged area 31 surrounding the skin-friendly area 33. One side of the second adhesive area 32 is connected to one side of the release paper layer 2, and the other side of the second adhesive area 32 is connected to the flanged area 31. The other side of the release paper layer 2 is connected to the release paper adhesive area 13, and the third adhesive area 34 is disposed at the bottom edge of the skin-friendly area 33.
[0029] Compared with the prior art, the multi-purpose waterproof dressing with double-ring protective water-repellent function provided in this embodiment has an outer protective layer 1 with a first adhesive area 11 and a waterproof area 12 located within the first adhesive area 11. A release paper adhesive area 13 is also provided within the waterproof area 12. A second adhesive area 32 is provided on the flanged area 31 of the inner protective layer 3. The second adhesive area 32 is adhered to one side of the release paper layer 2, and the release paper adhesive area 13 of the outer protective layer 1 is adhered to the other side of the release paper layer 2. The skin-friendly area 33 covers the user's puncture site or wound. The outer protective layer 1 is waterproof, and the first adhesive area 11 is attached to the user's skin. The inner waterproof area 12 is used to prevent water from seeping into the wound. At the same time, the first adhesive area 11 and the third adhesive area 34 are used simultaneously to form a double-ring seal connection. The waterproof area 12 between the two provides good waterproof performance. After showering, the outer protective layer 1 is peeled off, the folded edge area 31 is folded back to the skin-friendly area 33, and the second adhesive area 32 is used to attach it to the skin. There is no need to replace the waterproof patch and the auxiliary patch.
[0030] like Figure 3 As shown, the release paper pasting area 13 is located in the waterproof area 12, dividing the waterproof area 12 into an outer protective area 123 and an inner observation area 124.
[0031] like Figure 1 As shown, the waterproof area 12 includes a waterproof layer 121 and an absorbent layer 122. The waterproof layer 121 is located outside the absorbent layer 122. The waterproof layer 121 is transparent, facilitating observation of the wound or catheter placement. It can also be used to cover the wound with dressings for medication application or anti-inflammatory purposes, depending on the patient's or user's needs. Specifically, the absorbent layer 122 is located inside the waterproof layer 121 and is arranged in a U-shape. The U-shaped first adhesive area 11 contains the U-shaped absorbent layer 122.
[0032] like Figure 1 , Figure 2 and Figure 3As shown, the bottom (inner side) of the absorbent layer 122 is a ball-shaped protrusion 125. The ball-shaped protrusion 125 makes the absorbent layer 122 more tightly connected when the auxiliary materials are pasted, preventing water vapor from seeping in.
[0033] like Figure 1 As shown, the waterproofing adhesive also includes a fourth adhesive area 4. One side of the fourth adhesive area 4 is connected to the waterproof layer 121, specifically to the release paper adhesive area 13, and the other side is connected to the release paper layer 2. In other words, the two sides of the release paper layer 2 are respectively connected to the second adhesive area 32 and the fourth adhesive area 4.
[0034] Since the inner protective layer 3 is in close contact with human skin and the outer protective layer 1 is mainly used for waterproofing, the auxiliary materials of the inner protective layer 3 need to be skin-friendly, while the auxiliary materials of the outer protective layer 1 need to be waterproof.
[0035] Preferably, the first adhesive area 11, the second adhesive area 32 and the third adhesive area 34 are all medical pressure-sensitive adhesives used for adhesion and fixation to human skin.
[0036] It should be noted that the first adhesive area 11 is formed by adhering to the inner periphery of the waterproof material. For example, medical pressure-sensitive adhesive is applied to the periphery of the waterproof layer 121 to form the first adhesive area 11. Similarly, the second adhesive area 32 is formed by applying medical pressure-sensitive adhesive to the periphery of the skin-friendly area 33.
[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the protection scope of the present utility model.
Claims
1. A multi-purpose waterproof dressing with double-ring protective water-repellent function, characterized in that, It includes an outer protective layer (1), a release paper layer (2) and an inner protective layer (3), wherein the release paper layer (2) is disposed between the outer protective layer (1) and the inner protective layer (3); The outer protective layer (1) includes a first adhesive area (11), a waterproof area (12), and a release paper adhesive area (13), wherein the first adhesive area (11) is arranged around the waterproof area (12) and the release paper adhesive area (13); The inner protective layer (3) includes a flanged area (31), a second adhesive area (32), a skin-friendly area (33), and a third adhesive area (34). The flanged area (31) is arranged around the skin-friendly area (33). One side of the second adhesive area (32) is connected to one side of the release paper layer (2), and the other side of the second adhesive area (32) is connected to the flanged area (31). The other side of the release paper layer (2) is connected to the release paper adhesive area (13). The third adhesive area (34) is located at the bottom edge of the skin-friendly area (33).
2. The multi-purpose waterproof dressing with double-ring protective water-repellent function according to claim 1, characterized in that, The release paper pasting area (13) is located in the waterproof area (12), and the waterproof area (12) is divided into an outer protective area (123) and an inner observation area (124).
3. The multi-purpose waterproof dressing with double-ring protective water-repellent function according to claim 1 or 2, characterized in that, The waterproof area (12) includes a waterproof layer (121) and an absorbent layer (122), with the waterproof layer (121) located on the outside of the absorbent layer (122).
4. The multi-purpose waterproof dressing with double-ring protective water-repellent function according to claim 3, characterized in that, The waterproof layer (121) is transparent.
5. The multi-purpose waterproof dressing with double-ring protective water-repellent function according to claim 3, characterized in that, The inner side of the absorbent layer (122) is provided with a ball-shaped protrusion (125).
6. The multi-purpose waterproof dressing with double-ring protective water-repellent function according to claim 3, characterized in that, It also includes a fourth adhesive area (4), on both sides of the release paper layer (2) being connected to the second adhesive area (32) and the fourth adhesive area (4) respectively.
7. The multi-purpose waterproof dressing with double-ring protective water-repellent function according to claim 6, characterized in that, One side of the fourth pasting area (4) is connected to the release paper pasting area (13), and the other side is connected to the release paper layer (2).
8. The multi-purpose waterproof dressing with double-ring protective water-repellent function according to claim 3, characterized in that, The absorbent layer (122) is arranged in a U-shape.
9. The multi-purpose waterproof dressing with double-ring protective water-repellent function according to claim 3, characterized in that, The first adhesive area (11) is located around the perimeter of the waterproof layer (121).
10. The multi-purpose waterproof dressing with double-ring protective water-repellent function according to any one of claims 1-2 and 4-9, characterized in that, The second adhesive area (32) is located around the perimeter of the skin-friendly area (33).