Efficient water-blocking breathable bandage

Abstract

The utility model provides an efficient water-blocking breathable bandage. The efficient water-blocking breathable bandage comprises a bandage body and hook-and-loop fasteners. The bandage body sequentially comprises a base fabric layer, a characteristic waterproof layer and a surface anti-fracture layer from bottom to top; the characteristic water-blocking layer comprises a water-blocking substrate layer and a carbon material layer, the water-blocking substrate layer is tightly attached to the base fabric layer, and the carbon material layer is tightly attached to the surface anti-fracture layer. According to the utility model, the graphite layer or the graphene layer with a certain concentration is coated on the water-blocking base layer, and the base layer fabric and the surface anti-fracture layer are matched, so that the sharing performance of water blocking and air permeability can be effectively realized, and the problems of strong water blocking, poor air permeability, good air permeability, poor water blocking and poor practical performance in the prior art are solved; external water vapor is effectively isolated on the surface of the injured wound, a relatively comfortable environment is maintained internally, and an optimal environment is provided for wound healing.

Description

Technical Field

[0001] The utility model belongs to the field of medical bandages, and in particular relates to a high-efficiency water-blocking and breathable bandage. Background Art

[0002] A bandage is a gauze bandage used to wrap wounds or affected areas. It is a common medical product. There are many different types of bandages with different functions. You need to choose the appropriate type according to the type and size of the wound.

[0003] Currently, the bandages on the market do not have good water-blocking and breathable effects when used, or cannot guarantee both water-blocking and breathable effects. If the patient's wound comes into contact with water vapor, it is easy to cause secondary infection. The bandage is not breathable, resulting in problems such as the wound being unable to heal for a long time. Summary of the Invention

[0004] The purpose of the utility model is to provide a highly efficient water-blocking and breathable bandage, which effectively overcomes the problem that the bandages currently on the market are not compatible in terms of water-blocking and breathability.

[0005] In order to solve the above problems, the present invention provides the following technical solutions:

[0006] The utility model provides a high-efficiency water-blocking and breathable bandage, comprising a bandage body and Velcro; the bandage body comprises, from bottom to top, a base fabric layer, a characteristic water-blocking layer and a surface anti-fracture layer; the characteristic water-blocking layer comprises a water-blocking base layer and a carbon material layer, the water-blocking base layer is closely attached to the base fabric layer, and the carbon material layer is closely attached to the surface anti-fracture layer.

[0007] Furthermore, the carbon material layer is a carbon material layer made of at least one of graphite carbon and graphene materials, which plays the role of blocking water from the outside and retaining moisture from the inside.

[0008] Furthermore, the base fabric layer is made of one or more materials selected from cotton, polyester, PE or PP; and the base fabric layer is in contact with the skin surface.

[0009] Furthermore, the characteristic water-blocking layer is a composite characteristic water-blocking fabric layer obtained by applying graphite or graphene with a concentration of 0.17 to 0.5 g / mL on one side of the water-blocking base layer by at least one of spin coating, centrifugal coating, blade coating or immersion; the concentration of 0.17 to 0.5 g / mL can ensure the high porosity and specific surface area of ​​the bandage, and the water-blocking and breathable properties of the bandage can be adjusted by adjusting the concentration of graphite or graphene. The graphite or graphene material has a high porosity characteristic, and when combined with the fabric, the breathability can be maintained at the same level as the original fabric.

[0010] Furthermore, the surface anti-fracture layer is located on the outermost side and is made of at least one material of PP or PE fiber, and is used to resist the extrusion stress of the external environment and protect the inner fabric shape.

[0011] Furthermore, the surface anti-fracture layer is a surface anti-fracture layer made by diamond weaving, which plays a role in improving the strength of the fabric.

[0012] Furthermore, Velcro is laid on both ends of the bandage body, the Velcro on one end is laid on the base fabric layer, and the Velcro on the other end is laid on the surface anti-fracture layer, and one end is a fleece surface and the other end is a thorny surface.

[0013] Furthermore, the water-blocking base layer is a water-blocking base layer made of at least one of fiber fabrics or non-woven fabrics, and the fiber fabric is a fiber fabric made of one or more of PET, PA or PP fibers.

[0014] The utility model can achieve the following beneficial effects:

[0015] The utility model solves the problems of the prior art wound bandages such as poor tensile strength, easy breakage during use, and inability to achieve the dual functions of water blocking and breathability by using a base fabric layer, a characteristic water-blocking layer with a graphite carbon layer or a graphene layer, and a surface anti-fracture layer.

[0016] The utility model forms a characteristic water-blocking layer by combining a graphite carbon layer or a graphene layer with a water-blocking base layer of a specific concentration, which can ensure that the layer has high porosity, high specific surface area and super-hydrophobic effect. The specific surface area of ​​the graphite carbon layer is 2630m 2 / g, porosity 10~15%, contact angle 90~140°, which is close to the super-hydrophobic level. It can effectively achieve the performance of both water blocking and breathable, solving the problems of existing technologies with strong water blocking and poor breathability, good breathability and poor water blocking, and poor practical performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a top view of the structure of the utility model;

[0018] Figure 2 This is the front view of the utility model;

[0019] Figure 3 This is a schematic diagram of the characteristic water-blocking layer structure of the utility model.

[0020] In the figure: 1-bandage body, 2-velcro, 3-base fabric layer, 4-characteristic water-blocking layer, 41-water-blocking base layer, 42-carbon material layer, 5-surface anti-fracture layer. DETAILED DESCRIPTION

[0021] Example 1

[0022] As shown in the figure, a high-efficiency water-blocking and breathable bandage includes a bandage body 1 and a Velcro 2; the bandage body 1 includes, from bottom to top, a base fabric layer 3, a special water-blocking layer 4 and a surface anti-fracture layer 5; the special water-blocking layer 4 includes a water-blocking base layer 41 and a carbon material layer 42, the water-blocking base layer 41 is closely attached to the base fabric layer 3, and the carbon material layer 42 is closely attached to the surface anti-fracture layer 5.

[0023] Furthermore, the carbon material layer 42 is a carbon material layer made of at least one of graphite carbon and graphene, which plays the role of blocking water from the outside and retaining moisture from the inside.

[0024] Furthermore, the base fabric layer 3 is a base fabric layer made of one or more materials selected from cotton fabric, polyester, PE or PP; the base fabric layer 3 is in contact with the skin surface.

[0025] Furthermore, the characteristic water-blocking layer 4 is a composite water-blocking fabric layer obtained by applying graphite or graphene with a concentration of 0.17 to 0.5 g / mL on one side of the water-blocking base layer 41 by at least one of spin coating, centrifugal coating, blade coating, or immersion. The concentration of 0.17 to 0.5 g / mL can ensure high porosity and specific surface area of ​​the bandage. By adjusting the concentration of graphite or graphene, the water-blocking and breathable properties of the bandage can be adjusted. Graphite or graphene materials have high porosity characteristics, and when combined with fabric, the breathability can be maintained at the same level as the original fabric.

[0026] Furthermore, the surface anti-fracture layer 5 is located on the outermost side and is made of at least one material of PP or PE fiber, and is used to resist the extrusion stress of the external environment and protect the inner fabric shape.

[0027] Furthermore, the surface anti-fracture layer 5 is a surface anti-fracture layer made by diamond weaving, which plays a role in improving the strength of the fabric.

[0028] Furthermore, Velcro is laid on both ends of the bandage body 1, the Velcro at one end is laid on the base fabric layer 3, and the Velcro at the other end is laid on the surface anti-fracture layer 5, and one end is a fleece surface and the other end is a thorny surface.

[0029] Furthermore, the water-blocking base layer 41 is a water-blocking base layer made of at least one of fiber fabrics or non-woven fabrics, and the fiber fabric is a fiber fabric made of one or more of PET, PA or PP fibers.

[0030] Example 2

[0031] As described in Example 1, a highly effective water-blocking and breathable bandage comprises a bandage body 1 with Velcro 2 fixedly connected at both ends. The bandage body 1 comprises a base fabric layer 3, a special water-blocking layer 4, and a surface anti-fracture layer 5. The base fabric layer 3 and the surface anti-fracture layer 5 are prepared according to existing methods. The base fabric layer 3 (made of cotton fiber) and a water-blocking base layer 41 (made of PET) are bonded together. Graphite at a concentration of 0.17 g / mL is spin-coated on the surface of the water-blocking base layer 41 to form a carbon material layer 42. The water-blocking base layer 41 and the carbon material layer 42 constitute the special water-blocking layer 4. A diamond-shaped PP braid is then applied over the special water-blocking layer 4 and bonded together. Finally, Velcro is attached to both sides. The Velcro strips are removed for wrapping during use.

[0032] Example 3

[0033] As described in Example 1, a highly effective water-blocking and breathable bandage comprises a bandage body 1 with Velcro 2 fixedly connected at both ends. The bandage body 1 comprises a base fabric layer 3, a special water-blocking layer 4, and a surface anti-fracture layer 5. The base fabric layer 3 and the surface anti-fracture layer 5 are prepared according to existing methods. The base fabric layer 3 (made of cotton fiber) and a water-blocking base layer 41 (made of PA) are bonded together. Graphite with a concentration of 0.24 g / mL is spin-coated on the surface of the water-blocking base layer 41 to form a carbon material layer 42. The water-blocking base layer 41 and the carbon material layer 42 constitute the special water-blocking layer 4. A diamond-shaped PP braid is then applied over the special water-blocking layer 4 and bonded together. Finally, Velcro is attached to both sides. The Velcro strips are removed for wrapping during use.

[0034] Example 4

[0035] As described in Example 1, a highly efficient water-blocking and breathable bandage comprises a bandage body 1 with Velcro 2 fixedly connected at both ends. The bandage body 1 comprises a base fabric layer 3, a special water-blocking layer 4, and a surface anti-fracture layer 5. The base fabric layer 3 and the surface anti-fracture layer 5 are prepared according to existing methods. The base fabric layer 3 (made of cotton fiber) and a water-blocking base layer 41 (made of PP) are bonded together. Graphite at a concentration of 0.5 g / mL is spin-coated on the surface of the water-blocking base layer 41 to form a carbon material layer 42. The water-blocking base layer 41 and the carbon material layer 42 constitute the special water-blocking layer 4. A diamond-shaped PP braid is then applied over the special water-blocking layer 4 and bonded together. Finally, Velcro is attached to both sides. The Velcro strips are removed for wrapping during use.

[0036] Example 5

[0037] As described in Example 1, a highly efficient water-blocking and breathable bandage comprises a bandage body 1 with Velcro 2 fixedly connected at both ends. The bandage body 1 comprises a base fabric layer 3, a special water-blocking layer 4, and a surface anti-fracture layer 5. The base fabric layer 3 and the surface anti-fracture layer 5 are prepared according to existing methods. The base fabric layer 3 (made of cotton fiber) and a water-blocking base layer 41 (made of a PET / PA blend) are bonded together. Graphite at a concentration of 0.17 g / mL is spin-coated on the surface of the water-blocking base layer 41 to form a carbon material layer 42. The water-blocking base layer 41 and the carbon material layer 42 constitute the special water-blocking layer 4. A diamond-shaped PP braid is then applied over the special water-blocking layer 4 and bonded together. Finally, Velcro is attached to both sides. The Velcro strips are removed for wrapping during use.

[0038] Example 6

[0039] As described in Example 1, a highly effective water-blocking and breathable bandage comprises a bandage body 1 with Velcro 2 fixedly connected at both ends. The bandage body 1 comprises a base fabric layer 3, a special water-blocking layer 4, and a surface anti-fracture layer 5. The base fabric layer 3 and the surface anti-fracture layer 5 are prepared according to existing methods. The base fabric layer 3 (made of cotton fiber) and a water-blocking base layer 41 (made of a PET / PP blend) are bonded together. Graphite with a concentration of 0.17 g / mL is then applied to the surface of the water-blocking base layer 41 to form a carbon material layer 42. The water-blocking base layer 41 and the carbon material layer 42 constitute the special water-blocking layer 4. A diamond-shaped PP braid is then applied over the special water-blocking layer 4 and bonded together. Finally, Velcro is attached to both sides. The Velcro strips are removed for wrapping during use.

[0040] In the above embodiment, the spin coating disk rotates at a speed of 67-120 rpm, and the spin coating time is between 3 and 10 minutes. Scrape coating can be performed by evenly scraping the fabric surface with a scraper. No special requirements are required, as long as the coating is visually uniform in color. For the immersion method, the fabric is placed in a 0.17-0.5 g / mL graphite solution, left to stand for 2.7-5 hours, and then removed and oven-dried.

[0041] The above embodiments are merely preferred technical solutions of the present invention and should not be construed as limiting the present invention. The scope of protection of the present invention shall be the technical solutions set forth in the claims, including equivalent alternatives to the technical features of the technical solutions set forth in the claims. Equivalent alternatives and improvements within this scope are also within the scope of protection of the present invention.

Claims

1. A highly efficient water-blocking and breathable bandage, characterized in that: The bandage comprises a bandage body (1) and a Velcro (2); the bandage body (1) comprises, from bottom to top, a base fabric layer (3), a characteristic water-blocking layer (4), and a surface anti-fracture layer (5); the characteristic water-blocking layer (4) comprises a water-blocking base layer (41) and a carbon material layer (42); the water-blocking base layer (41) is in close contact with the base fabric layer (3), and the carbon material layer (42) is in close contact with the surface anti-fracture layer (5).

2. A high-efficiency water-blocking and breathable bandage according to claim 1, characterized in that: The carbon material layer (42) is a carbon material layer made of at least one of graphite carbon or graphene.

3. The high-efficiency water-blocking and breathable bandage according to claim 1, characterized in that: The base fabric layer (3) is a base fabric layer made of one or more materials selected from the group consisting of cotton fabric, polyester, PE, and PP.

4. The high-efficiency water-blocking and breathable bandage according to claim 1, characterized in that: The surface anti-fracture layer (5) is a surface anti-fracture layer made of at least one material selected from PP or PE fibers.

5. The high-efficiency water-blocking and breathable bandage according to claim 4, characterized in that: The surface anti-fracture layer (5) is a surface anti-fracture layer made by diamond weaving.

6. The high-efficiency water-blocking and breathable bandage according to claim 1, characterized in that: Velcro (2) is laid on both ends of the bandage body (1), the Velcro at one end is laid on the base fabric layer (3), and the Velcro at the other end is laid on the surface anti-fracture layer (5), and one end is a fleece surface and the other end is a thorn surface.

7. The high-efficiency water-blocking and breathable bandage according to claim 1, characterized in that: The water-blocking base layer (41) is a water-blocking base layer made of at least one of fiber fabrics or non-woven fabrics; the fiber fabric is a fiber fabric made of one or more of PET, PA or PP fibers.

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