JP2004344389A - Manufacturing method for wound protecting agent - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a manufacturing method for wound protecting agent offering easy and low cost manufacturing, easy use, and a long duration of effective bactericidal effect. <P>SOLUTION: A resin film 24 is attached with a pad part 20 to be impregnated with liquid sterilizer, and the pad part 20 is formed so that an adhesive agent layer 16 of an adhesive film 18 can be positioned on its periphery. The resin film 24 of the pad part 20 impregnated with liquid sterilizer is attached to the adhesive agent layer 16 of the adhesive film 18. The pad part 20 and the adhesive agent layer 16 are covered with an intensive release film 22, part of which in the periphery of the pad part 20 is pressurized toward the adhesive agent layer 16. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a method for producing a wound protectant such as a bandage for covering and protecting a wound surface of a body with a pad to which a disinfectant is attached.
[0002]
[Prior art]
[Patent Document 1] Japanese Utility Model Application Laid-open No. Sho 62-42818 [Patent Document 2] Japanese Utility Model Application Laid-Open No. 9-251 In general, a wound bandage, which is a wound protectant, is prepared by applying a dry gauze to an adhesive tape and applying an adhesive surface and a pad. It is covered with release paper and packaged in a paper bag or the like. However, this wound bandage only had a dry disinfectant on the gauze of the pad part, the amount of disinfectant was small, and the disinfecting effect was weak in the case of deep wounds and dirty wounds .
[0003]
Therefore, as disclosed in Patent Literatures 1 and 2, for example, a wound bandage has been proposed which is used by impregnating a gauze of a pad portion with a chemical solution.
[0004]
[Problems to be solved by the invention]
However, in the case of the structure disclosed in Patent Document 1 of the above-mentioned prior art, a chemical solution for disinfecting must be dropped and impregnated from the outside of the bandage when used, and it is not easy to use. On the other hand, in the device disclosed in Patent Document 2, a pad portion is superimposed on a blister pack containing a drug solution, and when used, the blister pack is pushed down to soak the drug solution into the pad portion and adhered to the wound. At the time of use, it can be used in the same manner as a normal bandage except that the blister pack is crushed. However, the cost is high due to the large number of manufacturing steps, such as putting a chemical solution into a blister pack, sealing and packing the same, and attaching the bandage portion together. Further, there are problems such as long-term stability of the product and troublesome operation of pushing the blister pack in use.
[0005]
The present invention has been made in view of the above-mentioned conventional problems, and provides a method for producing a wound protective agent that is easy to produce, inexpensive, easy to use, and has a long-lasting and effective bactericidal effect. The purpose is to:
[0006]
[Means for Solving the Problems]
According to the present invention, a pad portion to be impregnated with the liquid disinfectant is attached to the adhesive layer of the adhesive film and the pad portion is impregnated with the liquid disinfectant, and the pad portion and the adhesive layer are covered with a heavy release film. Further, the present invention provides a method for producing a wound protectant, in which a heavy release film around the pad portion is pressed toward the pressure-sensitive adhesive layer.
[0007]
The present invention also provides a liquid disinfectant and a disinfectant, wherein a resin film is attached to a pad to be impregnated with the liquid disinfectant, and the pad is formed in such a size that the adhesive layer of the adhesive film is located around the pad. , The resin film of the pad portion is attached to the adhesive layer of the adhesive film, the pad portion and the adhesive layer are covered with a heavy release film, and the heavy release film around the pad portion is further bonded to the adhesive layer side. This is a method for producing a wound protecting agent which is pressurized to a pressure.
[0008]
The pad section is for attaching a tape-shaped pad material impregnated with the liquid disinfectant and disinfectant to the adhesive film while cutting the pad material.
[0009]
The pressure-sensitive adhesive film is obtained by providing a nylon net on the pressure-sensitive adhesive layer side of a urethane film coated with a pressure-sensitive adhesive. Further, the present invention is a method for producing a wound protectant in which a light release sheet is attached to the pressure-sensitive adhesive layer at the end of the pressure-sensitive adhesive film.
[0010]
Further, on one surface of the pad portion, a resin film such as a soft polyolefin or polyethylene is heat-welded or adhered, and the resin film is formed so as to securely adhere to the adhesive layer, and the other of the pad portion is formed. A coating material such as a thin perforated film or a net is attached to the surface to be attached to the wound at the side.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIGS. 1 and 2 show an embodiment of the present invention. A wound protective agent 10 of this embodiment is a bandage, a rectangular thin polyurethane film 12, and the same shape provided on one surface of the polyurethane film 12. It has an adhesive film 18 provided with a nylon net 14 and an adhesive layer 16. A pad portion 20 is provided at the center of the surface on which the adhesive layer 16 is formed. A heavy release film 22 is attached and covered on the adhesive layer 16 and the pad portion 20.
[0012]
The pad portion 20 is preferably a nonwoven fabric or woven fabric having a basis weight of 150 to 200 g / m2 and a thickness of 0.5 to 1 mm. On one surface of the pad portion 20, a resin film 24 made of a soft polyolefin, polyethylene, or the like is heat-welded or adhered so as to be securely adhered to the adhesive layer 16. Further, a covering material 26 such as a thin perforated film or a net is attached to a surface to be attached to the wound on the other side of the pad portion 20.
[0013]
The heavy release film 22 is a release material that is made of a soft polyolefin film having a thickness of 20 to 30 μm and has not been subjected to a surface treatment for losing the adhesiveness with the adhesive layer 16. Further, a light release sheet 28 which is a silicon-treated release material whose surface in contact with the pressure-sensitive adhesive layer 16 loses adhesiveness is attached to the pressure-sensitive adhesive layer 16 at the end of the pressure-sensitive adhesive film 18.
[0014]
Here, heavy peeling refers to the degree of force when a tape having a width of about 25 mm is adhered and peeled off, and when expressed numerically, is 5.0 to 10.0 N / 25 mm, preferably 7.0 to 8.5 N. / 25 mm. Also, light peeling refers to the degree of force when a tape having a width of about 25 mm is similarly adhered and peeled, and when expressed numerically, refers to a material that can be peeled with a force of 0.5 N / 25 mm or less, preferably It refers to one set at a peeling force of about 0.2 to 0.3 N / 25 mm.
[0015]
In the pad section 18, as a liquid disinfectant, acrylol, chlorhexidine gluconate, benzalkonium chloride, isopropanol, benzethonium chloride, oxidol, ethyl alcohol, naphazoline hydrochloride, chlorpheniramine maleate, popyon iodine, cetylpyridinium chloride, etc. Is impregnated as a liquid. Further, agents such as lidocaine and dibucaine hydrochloride as a local anesthetic, and allantoin as a skin repair agent may be blended. Further, an antibiotic may be blended. Furthermore, in order to make the affected part wet, physiological saline may be impregnated.
[0016]
Next, a method for producing the wound protective agent 10 of this embodiment will be described. First, a thin resin film 24 is attached to one surface of a material such as a nonwoven fabric forming a pad portion 20 impregnated with a liquid disinfectant, and a predetermined portion is thermally welded. Before or after this, the covering material 26 is attached to the other surface of a material such as a nonwoven fabric forming the pad portion 20.
[0017]
The pad portion 20 is formed to have a width around which the pressure-sensitive adhesive layer 16 is positioned, and is impregnated with a liquid disinfectant and then cut into a size positioned at the center of the pressure-sensitive adhesive film 18. Next, the resin film 24 of the pad portion 20 is attached to the adhesive layer 16 of the adhesive film 18. Then, first, a light release sheet 28 which is a release material silicon-coated on the surface is attached to the adhesive layer 16 at one end of the adhesive film 18 so as not to adhere to the adhesive layer 16. Next, the pressure-sensitive adhesive layer 16, the pad portion 20 impregnated with the liquid disinfectant and disinfectant, and the light release sheet 28 are covered with a heavy release film 22 of the same shape. Further, the heavy release film 22 around the pad section 20 is pressed against the pressure-sensitive adhesive layer 16 to strengthen the adhesion, so that the liquid disinfectant does not leak to the surroundings during storage.
[0018]
According to the wound protectant of this embodiment, the pad portion 20 is covered with the heavy release film 22 by impregnating with the liquid disinfectant and disinfectant, and the heavy release film 22 is adhered to the surrounding adhesive layer 16. 20 is coated in an airtight state, and the chemical does not evaporate. Further, since the pressure-sensitive adhesive layer 16 around the pad portion 20 and the heavy release film 22 are pressed and adhered, the airtightness of the pad portion 20 is further ensured. The packaging is hermetically sealed with an aluminum laminate film, so that evaporation of the chemical solution can be suppressed even during long-term storage.
[0019]
Therefore, at the time of use, the liquid disinfecting and disinfecting liquid comes into contact with the wound surface of the skin, a reliable disinfecting effect is obtained, and continuous use for a long time is possible. In addition, by sterilizing the wound and covering it in a wet sealed state, it is possible to obtain a treatment promoting effect and to save labor for nursing. Further, a covering material 26 is provided in a portion in contact with the wound, so that the nonwoven fabric or the like does not adhere to the wound. Further, since the light release sheet 28 is attached to one end of the adhesive film 18, the work of peeling the heavy release film 22 becomes easy.
[0020]
The method for producing a wound protectant of the present invention is not limited to the above embodiments, but may be a method in which a square adhesive film 18 is provided with a pad portion 20 impregnated with a chemical solution, as shown in FIG. good. As the pressure-sensitive adhesive film 18 such as a polyurethane film, it is preferable to use a film that is breathable and waterproof. The material and type of the heavy release film 22 are not limited.
[0021]
【Example】
Hereinafter, the wound protectant of one embodiment of the present invention will be described. In this embodiment, the resin film 24 is attached to the material of the pad portion 20, and is dissolved in 2.4 g of acrylol, 20 g of glycerin, and purified water to make 1,200 g. 1.5 g of the solution thus obtained is impregnated into a pad portion 20 of 50 mm × 42 mm, cut, and attached to the adhesive layer 16 of the adhesive film 18. Then, the heavy release film 22 is attached, and the periphery of the pad portion 20 is pressed and adhered. Further, this adhesive film 18 was stamped and formed into a predetermined size, and hermetically sealed and packaged with an aluminum laminate film.
[0022]
The wound protectant of this embodiment can be stored in a state in which the liquid disinfectant is impregnated into the pad portion 20, and the liquid disinfectant can be sufficiently applied to the wound at the time of use.
[0023]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to the manufacturing method of the wound protective agent of this invention, the wound protective agent with a high bactericidal effect can be manufactured easily at low cost with simple equipment. Further, the liquid medicine can be stored for a long period of time, and can be used at the time of use in the same manner as a conventional wound bandage. Then, since the liquid disinfectant is in contact with the wound surface of the skin, the healing of the cells at the wound site can be promoted and the natural healing can be sped up as compared with the case where the adhesive bandage of the dry pad portion is applied. In addition, the drug penetrates without damaging the wound surface, acts uniformly on the wound site, and reliably prevents bacteria from entering. Furthermore, it does not adhere to the wound site, heals quickly, and there is no pain when changing the wound protective agent.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of a wound protective agent according to one embodiment of the present invention.
FIG. 2 is a plan view of the wound protectant of this embodiment.
FIG. 3 is a plan view of a wound protective agent according to another embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Wound protective agent 12 Polyurethane film 14 Nylon net 16 Adhesive layer 18 Adhesive film 20 Pad part 22 Heavy release film 24 Resin film 28 Light release sheet

Claims (6)

A pad portion to be impregnated with the liquid disinfectant is attached to the adhesive layer of the adhesive film, and the pad portion is impregnated with the liquid disinfectant, and the pad portion and the adhesive layer are covered with a heavy release film. A method for producing a wound protectant, comprising pressing the heavy release film around the pressure-sensitive adhesive layer toward the pressure-sensitive adhesive layer. A resin film is stuck to the pad section to be impregnated with the liquid disinfectant, and the pad section is formed in a size where the adhesive layer of the adhesive film is located around the pad section, and the liquid section is impregnated with the liquid disinfectant. Affixing the resin film of the pad portion to the adhesive layer of the adhesive film, covering the pad portion and the adhesive layer with a heavy release film, and further pressing the heavy release film around the pad portion toward the adhesive layer side. A method for producing a wound protectant. The method according to claim 2, wherein the pad portion is attached to the adhesive film while cutting the tape-shaped pad material impregnated with the liquid disinfectant. The method according to claim 1 or 2, wherein the pressure-sensitive adhesive film is a urethane film provided with a nylon net on the pressure-sensitive adhesive layer side and applying a pressure-sensitive adhesive. 3. The method for producing a wound protectant according to claim 1, wherein a light release sheet is attached to the pressure-sensitive adhesive layer at the end of the pressure-sensitive adhesive film. The resin film is heat-sealed or adhered to one surface of the pad portion, formed so as to securely adhere to the adhesive layer by the resin film, and a thin coating material is formed on the other surface of the pad portion. 3. The method for producing a wound protectant according to claim 2, wherein:

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