CN220676243U - Self-adhesive polyurethane foam dressing elastic bandage - Google Patents

Abstract

The utility model provides a self-adhesive polyurethane foam dressing elastic bandage, which comprises the following components: a self-adhesive elastic bandage layer; the bonding layer is arranged on the self-adhesive elastic bandage layer; a polyurethane foam dressing layer disposed on the bonding layer; and release paper arranged on the polyurethane foam dressing layer. The dressing bandage disclosed by the utility model has the characteristics of polyurethane foam dressing and self-adhesive elastic bandage, is good in liquid absorption performance, comfort and air permeability, can generate self-adhesive performance through pressure, and can be dynamically adjusted and fixed according to the wound condition, the position and the user feeling; the preparation method is simple and low in cost, can realize industrial production, and meanwhile, the introduction of the bonding layer effectively prevents the polyurethane foam dressing from penetrating through the bandage in the foaming forming process to influence self-adhesive fixation of the polyurethane foam dressing; the dressing bandage can be applied to various wound bandages, healing rehabilitation and joint protection.

Description

A self-adhesive polyurethane foam dressing elastic bandage

Technical field

The utility model relates to the field of material technology, in particular to a self-adhesive polyurethane foam dressing elastic bandage.

Background technique

Wounds are injuries to human tissues or organs caused by physical, chemical and other factors, and are extremely common in life. However, if the wound is ignored or not properly treated, it will lead to suppuration and infection, and will not heal for a long time, and may even endanger life due to systemic complications such as infection and tetanus. In recent decades, the "moist wound healing theory" has become the standard method for wound treatment, and the mainstream of moist dressings has been developed, among which polyurethane foam dressings are the most common.

Polyurethane foam dressings are usually fixed on the wound surface by adhesive sticking, medical film fixation, gauze binding, tape sticking, etc., but these fixing methods have many limitations. For example, using adhesives and tapes to fix polyurethane foam dressings, although it is easy to operate and firmly fixed, has poor air permeability and can easily cause skin allergies, itching and redness and swelling symptoms on the user; using gauze to bind polyurethane foam dressings, although it has excellent air permeability and will not cause skin allergies on the user, it is not firmly fixed and can easily fall off, greatly limiting the user's activities; medical film full coverage fixation polyurethane foam dressings have the advantages of easy operation, waterproof and anti-fouling, but also have the problems of poor air permeability, easy allergies, and poor comfort.

Some existing technologies propose using elastic bandages combined with absorbent dressings to solve the dressing sticking and fixing problems. Among them, the technical feature of the utility model patent "A self-adhesive bandage including an application" (CN 205251835 U) is that the application is placed on the end of the self-adhesive bandage and the outermost layer of the self-adhesive bandage also includes a fixed or sealed fixation Although the patch can provide appropriate pressure to reduce edema and bleeding, it is a little troublesome to use and may have poor breathability.

Therefore, it is an urgent problem to be solved by those skilled in the art to provide a self-adhesive dressing bandage that is easy to use, comfortable, breathable, non-allergenic, and can adjust elastic pressure according to the wound condition, location, and user's feelings.

Utility model content

In view of the shortcomings of the existing technology, this utility model provides a self-adhesive polyurethane foam dressing elastic bandage that can adjust elastic pressure according to the wound condition, location and user's feeling. The dressing bandage provided by this application has the characteristics of simple use, convenient fixation and comfort. It has great advantages. At the same time, it has good breathability and no adhesive that comes into contact with the skin, so it will not cause allergic reactions, which greatly improves the user's experience.

The utility model provides a self-adhesive polyurethane foam dressing elastic bandage, which includes:

Self-adhesive elastic bandage layer;

A binding layer provided on the self-adhesive elastic bandage layer;

A polyurethane foam dressing layer provided on the binding layer;

Release paper arranged on the polyurethane foam dressing layer.

Preferably, the self-adhesive elastic bandage layer material is a polyester elastic bandage.

Preferably, the self-adhesive elastic bandage has a length of 3cm to 100cm and a width of 2cm to 10cm.

Preferably, the length of the self-adhesive elastic bandage layer is greater than 1.5 times the length of the polyurethane foam dressing layer;

The width of the self-adhesive elastic bandage layer is not less than the width of the polyurethane foam dressing layer.

Preferably, the length of the self-adhesive elastic bandage layer is 30cm-60cm and the width is 8cm;

The polyurethane foam dressing layer has a length of 6cm-30cm and a width of 8cm.

Preferably, the bonding layer is one or both of a glue layer bonding layer or a fabric layer bonding layer;

The length of the bonding layer is 6cm-30cm, and the width is 8cm.

Preferably, the adhesive layer binding layer combines the self-adhesive elastic bandage layer and the polyurethane foam dressing layer in one or more ways such as full coverage, strip coverage, scattered coverage, or grid coverage.

Preferably, the cloth layer binding layer material is one or more of cotton cloth, linen cloth, silk cloth, nylon cloth, polyester cloth, nylon cloth, acrylic cloth, polypropylene cloth, spandex cloth, carbon fiber cloth, colored tape or flannel. kind.

Preferably, the release paper is one of single silicone single sealing, double silicone, single silicone, and coated paper.

Preferably, the polyurethane foam dressing layer is located in the middle of the curled surface of the self-adhesive elastic bandage layer or the polyurethane foam dressing is horizontally aligned with the long end of the self-adhesive elastic bandage.

Compared with the existing technology, the utility model provides a self-adhesive polyurethane foam dressing elastic bandage, which includes: a self-adhesive elastic bandage layer; a bonding layer provided on the self-adhesive elastic bandage layer; and a bonding layer provided on the bonding layer. a polyurethane foam dressing layer on the polyurethane foam dressing layer; and a release paper disposed on the polyurethane foam dressing layer. The dressing bandage provided by this application can adjust the elastic pressure according to the wound condition, location and user's feeling. It is suitable for wound healing in various positions. It is firmly and easily fixed; the self-adhesive polyester elastic bandage is combined with the appropriate binding layer. The combination of polyurethane foam dressings not only ensures comfort but also has excellent breathability, thus preventing wound pain and skin allergies; the introduction of functional polyurethane foam dressings makes the dressing bandage antibacterial, anti-inflammatory, healing and hemostatic. The function can accelerate wound healing and shorten the user's treatment time.

Therefore, the self-adhesive polyurethane foam dressing elastic bandage provided by this application has the advantages of simple use, convenient fixation, and good comfort. At the same time, it has good air permeability and no adhesive contacts the skin without causing allergic reactions, which greatly improves the User experience and shortened treatment time.

Description of the drawings

Figure 1 Structural diagram of self-adhesive polyurethane foam dressing elastic bandage.

Detailed ways

The utility model provides a self-adhesive polyurethane foam dressing elastic bandage. Those skilled in the art can refer to the content of this article and appropriately improve the process parameters to achieve it. It should be particularly pointed out that all similar replacements and modifications are obvious to those skilled in the art, and they all fall within the scope of protection of the utility model. The method and application of the utility model have been described through preferred embodiments, and relevant personnel can obviously modify or appropriately change and combine the method and application of this article without departing from the content, spirit and scope of the utility model to realize and apply the technology of the utility model.

The utility model provides a self-adhesive polyurethane foam dressing elastic bandage, comprising:

Self-adhesive elastic bandage layer;

A bonding layer disposed on the self-adhesive elastic bandage layer;

A polyurethane foam dressing layer provided on the binding layer;

Release paper arranged on the polyurethane foam dressing layer.

The self-adhesive polyurethane foam dressing elastic bandage provided by the utility model includes a self-adhesive elastic bandage layer. The self-adhesive elastic bandage in the self-adhesive polyurethane foam dressing elastic bandage and its preparation method is a kind of polyester elasticity that is not fixed by adhesives, Velcro, tapes, locks, and hooks but is self-adhesive and fixed by pressure. bandage.

The self-adhesive elastic bandage layer material of the utility model is a polyester elastic bandage.

Specifically, the length of the self-adhesive elastic bandage is 3cm-100cm, and the width is 2cm-10cm.

In some specific embodiments of the present invention, the length of the self-adhesive elastic bandage layer is greater than 1.5 times the length of the polyurethane foam dressing layer;

The width of the self-adhesive elastic bandage layer is not less than the width of the polyurethane foam dressing layer.

In some specific embodiments of the present invention, the length of the self-adhesive elastic bandage layer is 30cm to 60cm, and the width is 8cm;

In some embodiments, the polyurethane foam dressing layer has a length of 6cm to 30cm and a width of 8cm;

In some embodiments, the width of the self-adhesive polyester elastic bandage is 2 cm to 10 cm; the width of the self-adhesive polyester elastic bandage is not less than the width of the polyurethane foam dressing.

The self-adhesive polyurethane foam dressing elastic bandage provided by the utility model includes a bonding layer provided on the self-adhesive elastic bandage layer.

The bonding layer is used to combine the self-adhesive polyester elastic bandage and the polyurethane foam dressing. The size is consistent with the polyurethane foam dressing, and can be one or both of a glue layer and a cloth layer. The length of the bonding layer is preferably 6 cm to 30 cm, and the width is 8 cm.

According to the present invention, the adhesive layer binding layer can firmly combine the self-adhesive polyester elastic bandage and the polyurethane foam dressing in one or more ways, including full coverage, strip coverage, scattered coverage, and grid coverage.

Specifically, the adhesive layer binding layer firmly combines the self-adhesive polyester elastic bandage and the polyurethane foam dressing through scattered point covering and strip covering.

According to the utility model, the cloth layer binding layer can be one of cotton cloth, linen cloth, silk cloth, nylon cloth, polyester cloth, nylon cloth, acrylic cloth, polypropylene cloth, spandex cloth, carbon fiber cloth, colored tape, and flannel. or more.

Specifically, the cloth layer binding layer can be soaked with one or both of polyurethane solution and adhesive, and then the self-adhesive polyester elastic bandage and the polyurethane foam dressing are firmly combined.

In some embodiments, the cloth layer binding layer firmly combines the self-adhesive polyester elastic bandage and the polyurethane foam dressing through adhesive-soaked nylon cloth and cotton cloth.

The self-adhesive polyurethane foam dressing elastic bandage provided by the utility model comprises a polyurethane foam dressing layer arranged on the bonding layer.

The polyurethane foam dressing may be one or more of non-functional, antibacterial, anti-inflammatory, healing-promoting, and hemostatic. The utility model does not limit this, and commercially available ones are sufficient.

The self-adhesive polyurethane foam dressing elastic bandage provided by the utility model includes a release paper arranged on the polyurethane foam dressing layer.

In some embodiments, the release paper is one of single silicon single seal, double silicon, single silicon, and coated paper;

In some embodiments, the release paper is a single silicone single seal release paper.

Preferably, the width of the self-adhesive polyester elastic bandage is 8cm, and the width of the polyurethane foam dressing is 8cm.

In some embodiments, the polyurethane foam dressing is on any surface and position of the self-adhesive polyester elastic bandage.

In some embodiments, the polyurethane foam dressing is located in the middle of the curled surface of the self-adhesive polyester elastic bandage;

In some embodiments, the polyurethane foam dressing is aligned horizontally with the long end of the self-adhesive elastic bandage.

The present application provides a self-adhesive polyurethane foam dressing elastic bandage, comprising a self-adhesive polyester elastic bandage, a bonding layer, a polyurethane foam dressing and a release paper. The dressing bandage provided by the present application can adjust the elastic pressure according to the wound condition, position and user's feeling, and is suitable for wound healing in various positions, and is firmly and easily fixed; the self-adhesive polyester elastic bandage is combined with the polyurethane foam dressing by using an appropriate bonding layer, which can ensure comfort and excellent air permeability, so as not to cause pain in the wound and allergies in contact with the skin; the introduction of the functional polyurethane foam dressing makes the dressing bandage have the functions of antibacterial, anti-inflammatory, healing promotion and hemostasis, which can accelerate the healing of the wound and shorten the treatment time of the user.

Therefore, the self-adhesive polyurethane foam dressing elastic bandage provided by this application has the advantages of simple use, convenient fixation, and good comfort. At the same time, it has good air permeability and no adhesive contacts the skin without causing allergic reactions, which greatly improves the User experience and shortened treatment time.

The self-adhesive polyurethane foam dressing elastic bandage provided by the utility model can be used for skin wound healing. The elastic pressure is adjusted according to the wound condition, location and user's feeling. It is simple to use, convenient to fix, and has good comfort, and because there is no adhesive contact with the skin and good breathability without allergic reactions.

Figure 1 is a schematic structural diagram of the self-adhesive elastic bandage dressing prepared in Example 1 of the present utility model.

Among them, self-adhesive elastic bandage (1), binding layer (2), polyurethane foam dressing (3) and release paper (4).

In order to further illustrate the present utility model, the self-adhesive polyurethane foam dressing elastic bandage provided by the present utility model will be described in detail below in conjunction with the examples.

Example 1

The present application provides a self-adhesive polyurethane foam dressing elastic bandage (Figure 1), comprising a self-adhesive polyester elastic bandage (1), a bonding layer (2), a polyurethane foam dressing (3) and a release paper (4). The self-adhesive polyester elastic bandage (1) of the dressing bandage is 40 cm long and 8 cm wide; the non-functional polyurethane foam dressing (3) is 20 cm long and 8 cm wide; the bonding layer (2) is a scattered point-covered adhesive layer, which firmly combines the self-adhesive polyester elastic bandage (1) and the non-functional polyurethane foam dressing (3); one end of the non-functional polyurethane foam dressing (3) is horizontally aligned with one end of the self-adhesive polyester elastic bandage (1); a single silicon single-seal release paper (4) is used to protect the dressing contact wound surface of the dressing bandage; and finally, it is sterilized with ethylene oxide. Its properties are shown in Table 1.

Example 2

This application provides a self-adhesive polyurethane foam dressing elastic bandage, which includes a self-adhesive polyester elastic bandage (1), a binding layer (2), a polyurethane foam dressing (3) and a release paper (4). The self-adhesive polyester elastic bandage (1) of the dressing bandage has a length of 90cm and a width of 10cm; the polyurethane foam dressing (3) with antibacterial function has a length of 15cm and a width of 6cm; the binding layer (2) is covered by a mesh The glue layer firmly combines the self-adhesive polyester elastic bandage (1) and the antibacterial polyurethane foam dressing (3); the distance between one end of the antibacterial polyurethane foam dressing (3) and the self-adhesive polyester elastic bandage (1) 3cm centrally combined; double silicone release paper (4) is used to protect the dressing of the dressing bandage from contacting the wound surface; finally, it is sterilized with ethylene oxide. Its performance is shown in Table 1.

Example 3

This application provides a self-adhesive polyurethane foam dressing elastic bandage, which includes a self-adhesive polyester elastic bandage (1), a binding layer (2), a polyurethane foam dressing (3) and a release paper (4). The self-adhesive polyester elastic bandage (1) of the dressing bandage has a length of 15cm and a width of 3cm; the polyurethane foam dressing (3) with anti-inflammatory function has a length of 8cm and a width of 3cm; the binding layer (2) is a band around the dressing The adhesive layer covering and scattered dots in the middle firmly combines the self-adhesive polyester elastic bandage (1) and the polyurethane foam dressing (3) with anti-inflammatory function; the polyurethane foam dressing (3) with anti-inflammatory function and the self-adhesive polyester elastic bandage The bandage (1) is centered and combined; the coated paper release paper (4) is used to protect the dressing of the dressing bandage from contacting the wound surface; finally, it is sterilized with ethylene oxide. Its performance is shown in Table 1.

Example 4

This application provides a self-adhesive polyurethane foam dressing elastic bandage, which includes a self-adhesive polyester elastic bandage (1), a binding layer (2), a polyurethane foam dressing (3) and a release paper (4). The self-adhesive polyester elastic bandage (1) of the dressing bandage has a length of 60cm and a width of 8cm; the polyurethane foam dressing (3) with a healing function has a length of 20cm and a width of 6cm; the binding layer (2) is soaked in nylon cloth The adhesive layer firmly combines the self-adhesive polyester elastic bandage (1) and the polyurethane foam dressing (3) with a healing function; one end of the polyurethane foam dressing (3) with a healing function is connected to the self-adhesive polyester elastic bandage (1). Align one end of the bandage (1) horizontally and then combine it in the center; use a single silicone single-sealing release paper (4) to protect the dressing of the dressing bandage from contacting the wound surface; and finally sterilize with ethylene oxide. Its performance is shown in Table 1.

Example 5

This application provides a self-adhesive polyurethane foam dressing elastic bandage, which includes a self-adhesive polyester elastic bandage (1), a binding layer (2), a polyurethane foam dressing (3) and a release paper (4). The self-adhesive polyester elastic bandage (1) of the dressing bandage has a length of 5cm and a width of 2cm; the polyurethane foam dressing (3) with hemostatic function has a length of 2cm and a width of 2cm; the binding layer (2) is nylon cloth and cotton cloth The cloth layer soaked in the polyurethane solution is firmly combined with the self-adhesive polyester elastic bandage (1) and the polyurethane foam dressing (3) with hemostatic function; the polyurethane foam dressing (3) with hemostatic function is centered with the self-adhesive polyester elastic bandage (3). 1) Combine; use single silicone single-sealing release paper (4) to protect the dressing bandage from contacting the wound surface; finally use ethylene oxide to sterilize. Its performance is shown in Table 1.

Comparative example 1

The present application provides a polyurethane foam dressing gauze bandage, comprising a gauze bandage, a bonding layer, a polyurethane foam dressing and a release paper. The gauze of the dressing bandage is 30 cm long and 8 cm wide; the polyurethane foam dressing is 8 cm long and 8 cm wide; the bonding layer is a band-shaped adhesive layer around the gauze bandage and the polyurethane foam dressing is firmly bonded; the polyurethane foam dressing is bonded to the gauze bandage in the middle; a single silicon single seal release paper is used to protect the dressing contact wound surface of the dressing bandage; and finally, ethylene oxide is used for sterilization. Its performance is shown in Table 1.

Comparative example 2

This application provides a self-adhesive gauze dressing bandage, which includes a self-adhesive polyester elastic bandage, a binding layer, and medical gauze. The self-adhesive polyester elastic bandage of the dressing bandage has a length of 30cm and a width of 8cm; the medical gauze has a length of 8cm and a width of 8cm; the binding layer is a band-shaped adhesive layer all around, which firmly secures the self-adhesive polyester elastic bandage and the medical gauze. Combined; medical gauze centered with self-adhesive polyester elastic bandage; finally sterilized with ethylene oxide. Its performance is shown in Table 1.

The dressing bandages prepared in Examples 1 to 5 and Comparative Examples 1 to 2 were subjected to performance testing, and the results are shown in Table 1. Comfort is evaluated by extensibility and permanent deformation, and is implemented with reference to YY/T 0471.4-2004. The smaller the value, the higher the comfort of the bandage dressing. Liquid absorbency is evaluated by absorption time, non-swelling absorption capacity and liquid retention rate, respectively, with reference to 3.2 of Chinese patents CN1741824A and YY/T 0471.1-2004. The smaller the absorption time, the better the hydrophilicity of the bandage dressing, and the non-swelling absorption capacity. The greater the liquid retention rate, the stronger the ability of the bandage dressing to retain liquid. The gas permeability is evaluated by the liquid absorption capacity and water vapor transmission rate, respectively, with reference to 3.3 of YY/T 0471.1-2004 and YY/T 0471.2-2004. The larger the value, the better the breathability of the bandage dressing. Cytotoxicity is evaluated according to the national standard GB/T 16886.5-2003. The smaller the value, the bandage dressing is non-toxic, safe and reliable.

Table 1 Performance data table of dressing bandages prepared in Examples 1 to 5 and Comparative Examples 1 to 2

The above results show that the key components of the self-adhesive polyurethane foam dressing bandage (Examples 1 to 5) are the self-adhesive elastic bandage and the polyurethane foam dressing. If the self-adhesive elastic bandage is replaced with gauze (Comparative Example 1), the dressing bandage is not firmly fixed and is easy to fall off; if the polyurethane foam dressing is replaced with gauze (Comparative Example 2), the dressing bandage has a very poor liquid absorption capacity and cannot maintain the appropriate moisture of the wound surface, and it is very easy for the wound surface to adhere and cause pain.

The present application provides a self-adhesive polyurethane foam dressing elastic bandage. Taking a wound 5 cm above the left elbow joint as an example, the method of use is briefly described as follows: ① Take the dressing bandage out of the package and peel off the release paper; ② Cover the wound surface with the dressing, and pick up one end of the self-adhesive elastic bandage to start covering and wrapping; ③ Press the end of the self-adhesive elastic bandage on the surface of the wound bandage, and it will self-adhere and fix; ④ After using it for a certain period of time, untie the bandage.

The above are only the preferred embodiments of the present invention. It should be pointed out that those skilled in the art can make several improvements and modifications without departing from the principles of the present invention. These improvements and Retouching should also be considered as the protection scope of this utility model.

Claims (6)

1. A self-adhesive polyurethane foam dressing elastic bandage, comprising:

a self-adhesive elastic bandage layer; the self-adhesive elastic bandage layer material is a polyester elastic bandage;

the length of the self-adhesive elastic bandage layer is 1.5 times greater than that of the polyurethane foam dressing layer; the width of the self-adhesive elastic bandage layer is not smaller than that of the polyurethane foam dressing layer;

the bonding layer is arranged on the self-adhesive elastic bandage layer; the bonding layer is one or two of an adhesive layer bonding layer or a cloth layer bonding layer; the adhesive layer bonding layer bonds the self-adhesive elastic bandage layer and the polyurethane foam dressing layer in one or more modes of full coverage, strip coverage, scattered point coverage and grid coverage; the cloth layer bonding layer material is one or more of cotton cloth, flax cloth, silk cloth, nylon cloth, terylene cloth, nylon cloth, acrylic cloth, polypropylene cloth, spandex cloth, carbon fiber cloth, color adhesive tape or flannelette;

a polyurethane foam dressing layer disposed on the bonding layer;

and release paper arranged on the polyurethane foam dressing layer.

2. The self-adhesive polyurethane foam dressing elastic bandage of claim 1, wherein the self-adhesive elastic bandage has a length of 3cm to 100cm and a width of 2cm to 10cm.

3. The self-adhesive polyurethane foam dressing elastic bandage of claim 2, wherein the self-adhesive elastic bandage layer has a length of 30cm to 60cm and a width of 8cm;

the polyurethane foam dressing layer has a length of 6 cm-30 cm and a width of 8cm.

4. The self-adhesive polyurethane foam dressing elastic bandage of claim 1, wherein the bonding layer has a length of 6cm to 30cm and a width of 8cm.

5. The self-adhesive polyurethane foam dressing elastic bandage of claim 1, wherein the release paper is one of single-silicon single seal, double-silicon, single-silicon and laminated paper.

6. The self-adhesive polyurethane foam dressing elastic bandage of claim 1, wherein the polyurethane foam dressing layer is positioned in the middle of the curved surface of the self-adhesive elastic bandage layer or the polyurethane foam dressing is horizontally aligned with the long-direction end of the self-adhesive elastic bandage.