KR100564371B1 - Skin protector bandage - Google Patents

Abstract

The present invention relates to a skin care bandage, more specifically, a non-porous film and a porous film are laminated on the upper and lower sides based on the polyurethane foam, a plurality of independent cells are formed by thermocompression over the entire area of the bandage, The adhesive is applied to the outer surface of the independent cell, and it is located inside the hydraulic casting tape during the cast of the fracture patient, and enables quick drying after the shower of the fracture patient by breathing and waterproofing function. The present invention relates to an improved skin protection bandage that can prevent secondary infection of the affected area by facilitating the discharge of emanating sweat and can relieve itching and stuffiness.

Breathable waterproof, skin protection bandage

Description

Skin protector bandage {Skin protector bandage}             

1 is a schematic diagram of a skin protective bandage prepared according to Example 1 of the present invention.

2 is a cross-sectional view of the A and A of FIG.

<Description of the symbols for the main parts of the drawings>

100: Skin protection bandage

10 polyurethane foam 20 non-porous film

30: porous film 40: pore

50: adhesive 60: cell

The present invention relates to a skin care bandage, more specifically, a non-porous film and a porous film are laminated on the upper and lower sides based on the polyurethane foam, a plurality of independent cells are formed by thermocompression over the entire area of the bandage, The adhesive is applied to the outer surface of the independent cell, which is located inside the hydraulic casting tape during the cast of the fracture patient, and enables quick drying after the shower of the fracture patient by breathing and waterproofing function. It is possible to prevent secondary infection of the affected area by facilitating the discharge of sweat emanating from, and relates to an improved skin protection bandage to relieve itching and stuffiness.

In general, a skin protection cloth (stockinet) is put on the contact area of the fracture patient during the procedure, the cotton bandage (cotton bandage) is wrapped on top of the gypsum bandage or a hydrosetting cast tape. However, the above-mentioned treatment method is a secondary infection and itching due to the inability to shower due to the high water absorption rate of the skin protective cloth and cotton bandages, and to prevent the discharge of sweat generated in the affected part of the fracture patient. There is a problem that can cause frustration.

In the case of the skin protection bandage described in US Patent No. 5,102,711 proposed to solve the above problems, the use of expensive polytetrafluoroethylene (PTFE) film to increase the moisture permeability, but because the raw material used is expensive, fracture patients When applied to, there is a significant price burden. In the case of the skin protection bandage proposed in US Pat. No. 5,720,714, the film may be torn due to external impact because only the air is filled inside the film or the foam is cut into one independent cell. There is a problem that there is a fear that you can lose the fit.

In addition, in the case of skin protection bandages specified in Korean Patent Registration No. 10-0232801 and Utility Model Registration No. 20-0236258 and No. 20-0273767, the skin protection bandage is woven in the form of a fabric, so that the fabric is formed even after water repellent treatment. Since the yarn itself has a high water absorption rate, showering is possible, but there is a problem that the discharge of moisture is not smooth.

The inventors of the present invention have been studied to solve the above problems, based on the polyurethane foam of the open cell (open cell) structure by laminating a non-porous or porous film having moisture permeability and waterproof on the upper and lower surfaces By thermocompression, when a number of independent cells made of polyurethane foam and film are formed over the entire area of the bandage, the sweat generated in the affected part of the patient can be smoothly discharged. It was found that the quick drying allows a shower to complete the present invention. In addition, it was found that when a punch is applied to the thermocompression-bonding site to form pores, a higher moisture permeation function is achieved to give the patient a more comfortable fit.

Therefore, the present invention can improve the breathing and waterproofing function to enable the shower of fracture patients, facilitate the discharge of sweat emitted from the body, can prevent the secondary infection of the affected area, relieve itching and stuffiness It is an object of the present invention to provide an improved skin protection bandage.

In the present invention, the non-porous film 20 and the porous film 30 are disposed on the upper and lower surfaces of the polyurethane foam 10, respectively, and the polyurethane foam 10 is laminated on the entire area of the bandage. , The non-porous film 20 and the porous film 30 is formed by a plurality of independent cells 60 are formed by thermocompression bonding, the outer surface of the independent cells 60 for the skin protection that the adhesive 50 is applied It is characterized by a bandage (100).

The present invention will be described in detail as follows.

The present invention relates to a bandage for skin protection, wherein a non-porous film and a porous film are stacked on the upper and lower sides based on a polyurethane foam, and a plurality of independent cells are formed by thermocompression over the entire area of the bandage. It relates to a skin protective bandage coated with an adhesive on the outer surface.

As a result, it is located inside the hydraulic hardening casting tape during the cast of the fracture patient, enabling quick drying after the fracture patient's shower by breathing and waterproofing function, and smoothing the discharge of sweat emitted from the body. Secondary infections can be prevented and itching can be eliminated.

In addition, when the pores due to the punching formed on the thermocompression-bonded portion, the moisture permeation function is improved to give a more comfortable fit to the patient.

The skin protection bandage according to the present invention will be described in more detail with reference to the accompanying drawings.

First, the accompanying drawings Figure 1 shows a specific embodiment of the skin protection bandage of the present invention, Figure 2 shows a cut surface connecting A and A of Figure 1 above.

Skin protection bandage of the present invention uses an open cell structure of polyurethane foam (10) in the center in order to facilitate the permeability of sweat and water, and to maintain elasticity and flexibility, and to provide comfort during wearing An independent cell 60 formed by thermal sealing the mold film 20, the porous film 30, and the polyurethane foam 10 is formed through the entire area of the bandage. The open cell structure refers to a form in which a myriad of cells constituting the polyurethane foam are connected. The open cell structure refers to a structure in which one cell is connected to a plurality of adjacent cells by a small passage. The cell structure is apparent to those skilled in the art. The shape of the independent cell 60 is not particularly limited and may be represented as a polygon or a circle as necessary.

The cell 60 is composed of a non-porous film 20 and a porous film 30 having a moisture-permeable waterproof function as a microporous structure on the upper and lower surfaces of the outer side, based on the polyurethane foam 10. The stacking order and the stacking amount of the mold film 20 and the porous film 30 may be adjusted according to the choice of those skilled in the art, and the non-porous film positioned on the upper and lower surfaces based on the polyurethane foam 10, respectively. The 20 and the porous film 30 may be stacked in a laminating order.

The two kinds of non-porous film 20 and the porous film 30 should have elasticity and flexibility of skin protection bandages, and also have moisture permeability and waterproof function, in order to satisfy this, the moisture permeability is 1,000 to 10,000 g / m ^{2, respectively.} Must be in day range In addition, the non-porous film 20 should be used that can be filled with air inside the independent cell 60 after thermocompression, the micropores formed in the porous film 30 can not pass water. It must be used to be waterproof so that only water vapor can pass through.

As the film satisfying the above conditions, one selected from a polyurethane film, a polyethylene film, a film in which a fabric and a polyurethane are laminated, and the like may be used.

On the other hand, when forming a pore 40 by punching the thermocompression site may have a more excellent moisture permeable function, the shape of the pore 40 is not particularly limited, it may be used in the form of a polygon or a circle. .

In addition, by applying a pressure-sensitive adhesive (50) does not react with water when taking a shower on the outer surface of the plurality of independent polygonal cell 60, the skin protection bandage of the present invention applied to each affected area adhesion To increase the ease of treatment and to maintain the shape of the procedure when worn. The pressure-sensitive adhesive 50 may be applied to one side or both sides as necessary. At this time, it can be used as the pressure-sensitive adhesive (acryl), rubber (rubber) and aqueous (aqueous) pressure-sensitive adhesive and the like.

Although this invention is demonstrated concretely based on an Example, this invention is not limited by the following Example.

Examples 1-6 and Comparative Examples 1-2

Non-porous film (Kolon Glotec, trade name Healspo-dry film) or porous film (Kolon-Gretek Corporation, trade name Healspo-wet film) based on polyurethane foam (trade name SEW-1) Laminated and porous film (Kolon-Gretek Co., Ltd., Healspo-Dry and Dry Film) was laminated and thermo-compressed at 160-200 ° C, and adhesive (National Starch Co., NACOR 38-4509) The skin protection bandage was prepared by applying, and the lamination order of the used film, the presence or absence of pore formation by punching, and the method of applying the pressure-sensitive adhesive are shown in Table 1 below.

Experimental Example

The skin protective bandages prepared according to Examples 1 to 6 and Comparative Examples 1 and 2 were applied during the casting tape procedure, and then the results of the moisture permeability, waterproofness, fit and drying time were measured by the following methods. 2 is shown.

1) Moisture Vapor Transmission Rate:

It measured by the method by KS K 0594-1998, and showed the result by g / m <2> * 24hr. At this time, the area of the moisture-permeable cup is 0.00283 m 2, the height of the moisture-permeable cup is 25 mm, the moisture absorbent is calcium chloride, the temperature is 40 ± 2 ℃, the relative humidity is 90 ± 5%.

2) Waterproofness:

Disposable dropper was used to drop 0.03 g of water droplets into an independent cell of skin protection bandage to measure the time of water absorption. The measurement was performed 5 times and the average value was taken.

3) Fit:

Wrap the bandage on the short arm in a spiral shape, wrap the casing tape on it, and then completely cure the casting tape, and then check the cushioning or adhesiveness applied to the skin. The results are divided into.

4) Drying Time:

The skin protection bandage is wound in a spiral shape on the short arm and a casting tape is wrapped on it. After the casting tape was completely cured, the time was measured until the water remaining on the skin was completely submerged after the procedure was immersed in water.

As described above, according to the present invention, a film having a moisture permeability and a waterproof function is used to enable the showering of the affected part of the Gibbs patient, and a plurality of punching parts are applied to the thermocompression parts surrounding the independent cells formed by thermocompression. By forming the pores of the dog to improve the moisture permeation function, the water is quickly discharged and dried when water penetrates into the affected part of the Gibbs patients, and also to facilitate the discharge of sweat discharged from the body by the Gibbs patients It can relieve the itching and stuffiness of the affected area with the most uncomfortable, there is an effect that can prevent the secondary infection.

Claims (10)

The non-porous film 20 and the porous film 30 are stacked and positioned on the upper and lower surfaces of the polyurethane foam 10, respectively, and the polyurethane foam 10 and the non-porous layer are laminated on the entire area of the bandage. A plurality of independent cells 60 are formed as the film 20 and the porous film 30 are thermocompressed, and an adhesive 50 is coated on the outer surface of the independent cell 60. Skin protection bandage to 100. 2. The bandage for skin protection according to claim 1, wherein the polyurethane foam (10) has an open cell structure. The bandage for skin protection as claimed in claim 1, wherein the independent cell has a polygonal or circular shape. The bandage for protecting skin according to claim 1, wherein the thermocompression-bonding site is formed with pores (40) of polygonal or circular shape by punching. The bandage for skin protection according to claim 1, wherein the non-porous film 20 and the porous film 30 each have a water vapor transmission range of 1,000 to 10,000 g / m ² · day. The method of claim 1, wherein the non-porous film 20 or the porous film 30 is a polyurethane film, a polyethylene film, a film of a non-porous and a porous lamination (lamination) of the fabric, fabric and polyurethane (lamination) Bandages for skin protection, characterized in that selected from the film. delete According to claim 1, wherein the non-porous film 20 and the porous film 30 positioned on the upper and lower surfaces with respect to the polyurethane foam 10, respectively, the stacking order is laminated with each other characterized in that the laminated Protective bandages. According to claim 1, wherein the independent cell (60) (60) is coated on one or both sides of the outer surface of the adhesive (50) selected from the acrylic, rubber-based and aqueous-based adhesive Skin protection bandages, characterized in that. At least one of the non-porous film 20 and the porous film 30 is disposed on each of the upper and lower surfaces of the polyurethane foam 10 based on the polyurethane foam 10, and the polyurethane foam is laminated on the entire area of the bandage. 10, the non-porous film 20 and the porous film 30 is formed by a plurality of independent cells (60) made by thermocompression bonding, the pressure-sensitive adhesive on the outer surface of the independent cells (60) Skin protection bandage 100, characterized in that 50 is applied.

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