JP2008099882A - Medical dressing material and manufacturing method therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a medical dressing material equipped with a sheet base material having flexibility and high moisture permeability, and a manufacturing method therefor. <P>SOLUTION: In the medical dressing material 11 having the sheet base material 13 which is made of a polyurethane and is adhered to an applicable part, a thickness of the sheet base material 13 made of the polyurethane is less than 20 (μm). An adhesive surface of the sheet base material contains a medicament and/or cosmetics, and the medical dressing material 11 is equipped with the sheet base material having the adhesive surface on the back surface, a release paper detachably covering the adhesive surface of the sheet base material, a carrier detachably covering the surface of the sheet base material in a manner to support the shape of the sheet base material, and a guide tape which enables the detachment of the carrier from the sheet base material and is adhered to the carrier in a manner to extend from the sheet base material to form a tab part. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a medical dressing material for fixing and protecting a needle, a catheter, and the like when performing intravenous injection, infusion, and the like, and covering and protecting a puncture portion generated by the injection needle, the catheter, and the like, and a method for manufacturing the same.

  Conventionally, when performing intravenous injection and infusion, etc., in order to fix the injection needle (indwelling needle) and the catheter in a state of being stabbed, a medical dressing material made of urethane is applied from above the injection needle, etc. This makes it possible to fix a pierced injection needle, prevent infection at the puncture site caused by the injection needle, etc., observe the puncture site in a state where the medical dressing material is applied with a transparent material, and waterproof the medical dressing material The water is prevented from entering the puncture site by the material.

  As an example of such a medical dressing material, as shown in FIGS. 4 and 5, the medical dressing material 1 includes a polyurethane sheet base material 3 having an adhesive surface 2 on the back side with respect to the surface, A first release paper 4 for releasably covering the center of the adhesive surface 2 from the side of the sheet base 3 and a remaining side of the sheet base 3 for releasable covering one side of the sheet base 3 A second release paper 5 positioned at the center, an auxiliary film 6 made of polyethylene terephthalate (PET) for releasably covering the surface of the sheet base 3 so as to support the shape of the sheet base 3, and a center of the auxiliary film 6. A guide tape 7 is provided.

The sheet substrate 3 has a thickness of 30 [μm], a 50% modulus of 2.9 [N / 19 mm], a tensile strength of 15 [N / 19 mm], and an elongation of 600 [%], excluding the adhesive surface 2. The water pressure resistance is 10,000 or more. The sheet substrate 3 provided with the adhesive surface 2 has a moisture permeability of 900 [g / m ² · 24 hr]. Furthermore, the adhesive constituting the adhesive surface of the sheet base material 3 is an acrylic pressure-sensitive adhesive, and the coating amount on the sheet base material 3 is set to 30 [g / m ² ] to increase the adhesive strength of the sheet base material 3. 4.5 [N / 19 mm].

  The second release paper 5 forms a grip portion 5 a that is folded back on the side closer to the center, and the first release paper 4 forms an extended portion 4 a that covers the grip portion 5 a of the second release paper 5. is doing.

  The auxiliary film 6 is formed with a knob portion 8 so that the side portion extends outward from the sheet base material 3 and is provided with a notch 9 at the center portion and divided into a first film portion 6a and a second film portion 6b. Has been.

  The guide tape 7 is affixed to the first film portion 6a and the second film portion 6b so as to cover the notch 9 in the central portion of the auxiliary film 6 via the glue application surface 10, and the guide tape 7 is pulled from one side. At this time, the first film portion 6a can be peeled off, and when pulled from the other, the second film portion 6b can be peeled off. Furthermore, the guide tape 7 has a color so that it can be distinguished from the auxiliary film 6.

  When manufacturing the medical dressing 1, a polyurethane sheet material formed to a thickness of 30 μm by the extrusion method (melt extrusion method) and a carrier that supports the shape of the sheet material from the surface side Prepare an original tape (material sheet) consisting of a material and a pre-release paper located on the back side of the sheet material, and then form the original tape (material sheet) in the width direction of the product while peeling the carrier material. In a separate step, a cut 9 is made in the central portion of the prepared auxiliary film 6. Next, the auxiliary film 6 is heat-sealed to the surface of the sheet material while the guide tape 7 is bonded to the center of the auxiliary film 6 with the cuts 9. Subsequently, the preliminary release paper is peeled off from the sheet material and sent to a large bond manufacturing machine, and the first release paper 4 and the second release paper 5 are pasted on the back surface of the sheet material provided with the auxiliary film 6 to form a product mold. It has been punched and sealed in a sterilization pack to complete the production of the medical dressing material 1. Here, in the step of peeling the preliminary release paper from the sheet material, the peeling force (separator peeling force) is set to 0.25 [N / 50 mm].

  On the other hand, when applying such a medical dressing material 1, the first release paper 4 is peeled from the sheet base material 3, and the second release part is removed from the knob 8 of the auxiliary film 6 so as not to touch the adhesive surface 2. Holding the paper 5 with both hands, aiming so that the center of the sheet base material 3 is located at the puncture portion, temporarily attaching the sheet base material 3 to the puncture portion and its surroundings, etc. The second release paper 5 is peeled off and the sheet base material 3 is completely stuck. Next, the guide tape 7 located at the center is pulled to either one to peel the first film part 6a or the second film part 6b of the auxiliary film 6 from the sheet base material 3, and the remaining second film part 6b or the first film portion 6a is lifted from the sheet base material 3 by the guide tape 7 and the glue application surface 10 on the side near the center, and further, the lifted portion is pulled in the opposite direction, whereby the remaining second film portion 6b. Or the 1st film part 6a is peeled from the sheet base material 3, and sticking of the sheet base material 3 is completed.

In addition, what shows the general example of such a medical dressing material has already been shown as a patent gazette (for example, refer patent document 1).
JP-A-7-445

  However, such a medical dressing material 1 lacks the suppleness of the sheet base material 3, gives stress to the skin during application, has low moisture permeability, and causes skin problems such as rash due to sweating. there were.

  Further, when the sheet base material 3 is manufactured by reducing the thickness of the sheet material, there is a problem that the shape of the sheet material is easily broken. In particular, in the step of peeling the carrier material from the sheet material in order to heat-seal the auxiliary film 6, there is a problem that the sheet material is wrinkled, distorted, twisted, etc., and its shape is easily broken.

  This invention is made | formed in view of the above-mentioned situation, and it aims at providing the medical dressing material provided with the sheet | seat base material which has flexibility and high moisture permeability, and its manufacturing method.

  The present invention relates to a medical dressing material capable of attaching a polyurethane sheet base material to an application site, wherein the thickness of the polyurethane sheet base material is less than 20 [μm]. Material.

  In the present invention, the 50% modulus of the sheet base material is preferably 1.0 [N / 19 mm] or less.

In the present invention, the moisture permeability of the sheet base material on which the adhesive surface is disposed is preferably 2800 [g / m ² · 24 hr] or more.

  In the present invention, the adhesive surface of the sheet base material preferably contains a drug and / or a cosmetic.

  The present invention includes a sheet base material having an adhesive surface on the back surface, a release paper that releasably covers the adhesive surface of the sheet base material, and a surface of the sheet base material that supports the shape of the sheet base material. It is preferable to include a carrier that can be coated, and a guide tape that can be peeled off from the sheet base material and is attached to the carrier so as to extend from the sheet base material to form a knob.

  The present invention uses a material sheet composed of a polyurethane sheet material and a carrier material that supports the shape of the sheet material, the sheet material as a sheet base material, and the carrier material as a carrier. preferable.

The present invention cuts a material sheet composed of a polyurethane sheet material having a thickness of less than 20 [μm] and a carrier material that supports the shape of the sheet material into a predetermined shape, and affixes a guide tape to the carrier material of the predetermined shape And form a knob that extends outward, and attach a release paper to the back of the sheet material.
The sheet material is a sheet base material that can be attached to an application site with the back surface as an adhesive surface, and the carrier material is a carrier that releasably covers the surface of the sheet base material. The present invention relates to a method for manufacturing a dressing material.

  The present invention includes a step of peeling the preliminary release paper from the sheet material before pasting the release paper to the sheet material, and the peeling force for peeling the preliminary release paper from the sheet material is 0.2 [N / 50 mm] or less. It is to make.

  As described above, according to the medical dressing material and the method for producing the same according to the present invention, the thickness of the polyurethane sheet base material is set to less than 20 [μm]. Therefore, the sheet base material has sufficient flexibility. While suppressing the stress on the skin, the moisture permeability is high, and it is possible to prevent skin troubles such as rash caused by sweating.

In the present invention, when the 50% modulus of the sheet base material is 1.0 [N / 19 mm] or less, the sheet base material appropriately has sufficient flexibility and suppresses skin stress, and has an adhesive surface. When the water vapor transmission rate is 2800 [g / m ² · 24 hr] or more, the water vapor transmission rate is high, and skin troubles such as rash caused by sweating can be appropriately prevented. Moreover, when a chemical | medical agent and / or cosmetics are included in the adhesive surface of a sheet | seat base material, the effect by a chemical | medical agent and / or cosmetics can be acquired.

  In the present invention, using a sheet material made of polyurethane and a carrier material that supports the shape of the sheet material, the sheet material is used as a sheet base material, and the carrier material is used as a carrier. Even when the thickness of the material is thin, it can be appropriately manufactured without breaking the shape of the sheet material due to wrinkles, distortion, twisting, and the like when the carrier material is peeled off.

  In the present invention, before the release paper is attached to the sheet material, the process includes a step of peeling the preliminary release paper from the sheet material, and the peeling force for peeling the preliminary release paper from the sheet material is 0.2 [N / 50 mm] or less. Then, even when the thickness of the sheet material is as thin as less than 20 [μm], when removing the pre-release paper, the shape of the sheet material does not collapse due to wrinkles, distortion, twist, etc. Can be manufactured.

  According to the medical dressing material of the present invention and the method for producing the same, since the thickness of the polyurethane sheet base material is less than 20 [μm], the sheet base material has flexibility and is applied to the skin. In addition to suppressing stress, the moisture permeability is high, and it is possible to achieve an excellent effect that skin troubles such as rash caused by sweating can be prevented.

  Embodiments of the present invention will be described below with reference to the drawings.

  1 to 3 show an embodiment for carrying out the present invention, FIG. 1 is a plan view showing an embodiment for carrying out the present invention, FIG. 2 is an arrow view in the II-II direction of FIG. These are the flowcharts which show the manufacturing method of the medical dressing material of this invention.

  A medical dressing material 11 according to an embodiment of the present invention includes a translucent polyurethane sheet base material 13 having an adhesive surface 12 on the back side of the surface, and an adhesive surface 12 from the side of the sheet base material 13. A first release paper (release paper) 14 that releasably covers the center of the sheet, and a second release located on one side of the sheet base material 13 so that the remaining adhesive surface 12 of the sheet base material 13 is releasably covered. Located on the side of the carrier 16 so as to avoid the center of the sheet base 13, the carrier 16 that covers the surface of the sheet base 13 so as to support the shape of the paper (release paper) 15, and the sheet base 13. The guide tape 17 is provided.

The sheet base material 13 has a thickness of less than 20 [μm], preferably 5 [μm] or more and less than 15 [μm], particularly preferably 9 [μm] or more and less than 11 [μm], excluding the adhesive surface 12, and 50 % Modulus is 1.0 [N / 19 mm] or less, preferably 0.7 [N / 19 mm] or more and less than 0.8 [N / 19 mm], particularly preferably 0.75 [N / 19 mm]. Further, the moisture permeability of the sheet base material 13 on which the adhesive surface 12 is disposed is 2800 [g / m ² · 24 hr] or more, preferably 2900 [g / m ² · 24 hr] or more, particularly preferably 3000 [g / m ² · 24 hours]. Furthermore, the tensile strength of the sheet base material 13 is 6.0 [N / 19 mm] or more, the elongation is 400% or more, and the water pressure resistance is 10,000 or more.

The adhesive constituting the adhesive surface 12 of the sheet base 13 is an acrylic pressure-sensitive adhesive, and the amount applied to the sheet base 13 is 10 [g / m ² ] or more and less than 30 [g / m ² ], preferably Is 16 [g / m ² ] or more and less than 24 [g / m ² ], particularly preferably 20 [g / m ² ], and the adhesive strength of the sheet substrate 13 is 1.8 (± 0.5) [N / 19 mm]. Further, the adhesive constituting the adhesive surface 12 of the sheet base material 13 includes a drug such as an adrenocortical hormone agent or a non-steroidal anti-inflammatory analgesic and / or a cosmetic agent for skin beautification active ingredient. Adrenocortical hormone agents include betamethasone propionate, dexamethasone propionate, diflucortron valerate, prednisolone, betamethasone, and the like. Ibuprofen pconol, flurbiprofen and the like, and skin beautification active ingredients of cosmetics are vitamins such as vitamin C, linoleic acid, ellagic acid and the like. Here, the drug and / or cosmetic is not limited to a specific component, and any agent having an effect when the adhesive surface comes into contact with the skin may be used. Moisturizers, stabilizers, thickeners, preservatives, colorants and the like may also be included.

  The second release paper 15 forms a grip portion 15 a that is folded back on the side closer to the center, and the first release paper 14 forms an extended portion 14 a that covers the grip portion 15 a of the second release paper 15. is doing.

  The carrier 16 is made of a transparent material such as polypropylene (PP) or polyethylene (PE) that is softer than polyethylene terephthalate (PET), and includes a first separation carrier 16a and a second separation carrier provided with cuts 18 on the side portions in the longitudinal direction. The first separation carrier 16a covers the center of the surface of the sheet base material 13 in a peelable manner, and the second separation carrier 16b covers the remaining surface of the sheet base material 13 in a peelable manner. Yes. Here, the cutting position of the carrier 16 is not particularly limited as long as it avoids the central portion of the sheet base material 13.

  The guide tape 17 is affixed to the side of the carrier 16 so as to cover the notch 18 of the carrier 16 via the auxiliary tape 19 and the glue application surface 20 and extends outward from the other side of the sheet base material 13. A knob portion 21 is formed, and the second separation carrier 16b is peeled off from the sheet base material 13 when the central side portion of the guide tape 17 is pulled outward. In addition, the guide tape 17 is indicated by an arrow or the like to indicate the peeling direction and a translucent color to indicate the presence position. Here, the position of the guide tape 17 is not particularly limited as long as it avoids the central portion of the sheet base material 13, similarly to the notch 18 of the carrier 16.

  Next, a method for manufacturing the medical dressing material 11 according to the embodiment of the present invention will be described with reference to the drawings.

  When the medical dressing material 11 is manufactured, the polyurethane sheet material formed to a thickness of less than 20 [μm] by the casting method (solution casting method) and the shape of the sheet material are supported from the surface side. A tape raw material (material sheet) comprising a carrier material made of polypropylene (PP) or polyethylene (PE) and a preliminary release paper located on the back side of the sheet material is prepared (step S1 in FIG. 3), and the carrier material Without stripping the tape, the original tape (material sheet) is formed in the width direction of the product (step S2 in FIG. 3), and the auxiliary tape is applied to the side of the sheet material with the formed original tape (material sheet) having a predetermined shape. 19 are bonded together (step S3 in FIG. 3), and then a cut 18 is made in the auxiliary tape 19 and the sheet material (step S4 in FIG. 3), and paste is applied to cover the cut 18 The guide tape 17 is affixed through the cloth surface 20 (step S5 in FIG. 3). Next, the preliminary release paper is peeled off from the sheet material and sent to a large bond manufacturing machine (not shown) (step S6 in FIG. 3), and the first release paper 14 and the back surface of the sheet material provided with the guide tape 17 The second release paper 15 is affixed, punched into a product mold, sealed in a sterilization pack (step S7 in FIG. 3), and the manufacture of the medical dressing 11 is completed.

  Here, a casting method (solution casting method) for forming a polyurethane sheet material is a thin film of a soft resin (polyurethane) casted by casting a fluid raw material on a smooth peelable carrier and coagulating it. And then peeling from the carrier to obtain a polyurethane sheet. Further, in the step of peeling the preliminary release paper from the sheet material, the peeling force (separator peeling force) is 0.2 [N / 50 mm] or less, preferably 0.05 [N / 50 mm] or more and 0.15 [N / 50 mm. ], Particularly preferably 0.1 [N / 50 mm].

  As a result, the sheet material of the original tape (material sheet) becomes the sheet base material 13 that can be attached to the application site with the back surface as the adhesive surface 12, and the carrier material of the original tape (material sheet) is the sheet base material. The first release paper 14 is in a state of covering the center of the adhesive surface 12 of the sheet substrate 13 in a peelable manner, and the second release paper 15 is a sheet base. The remaining adhesive surface 12 of the material 13 is releasably covered so as to be positioned on the opposite side of the guide tape 17, and the guide tape 17 extends outward from the other side of the sheet base material 13. It becomes the structure which forms the knob | pick part 21 in the side part. Here, the thickness of the sheet material is the thickness of the sheet base material 13 as it is, and excluding the thickness of the adhesive surface 12, it is less than 20 [μm], preferably 5 [μm] or more and less than 15 [μm]. Particularly preferably, the thickness is 9 [μm] or more and less than 11 [μm].

  On the other hand, when applying the medical dressing 11, the first release paper 14 is peeled from the sheet base material 13 and the knob 21 of the guide tape 17 and the second release paper 15 are not touched to the adhesive surface 12. Puncture through disinfecting cotton or the like (not shown) through the carrier 16 and the sheet base material 13 through the center of the adhesive surface 12 while recognizing the application location such as the puncture portion from above. The sheet base material 13 is temporarily pasted to the application portion such as the portion and the periphery thereof, and the second release paper 15 is peeled off from the sheet base material 13 to completely stick the sheet base material 13. Next, the guide tape 17 positioned on the side is pulled outward of the sheet base material 13 in accordance with an indication such as an arrow to peel the second separation carrier 16b of the carrier 16 from the sheet base material 13 and the remaining first The side closer to the center of the separation carrier 16a is lifted from the sheet base material 13 by the glue application surface 20, and the remaining first separation carrier 16a is peeled from the sheet base material 13 by pulling the raised portion in the opposite direction. Then, the application of the sheet base material 13 is completed.

  As described above, according to the medical dressing material 11 and the manufacturing method thereof according to the embodiment of the present invention, the thickness of the polyurethane sheet base material 13 is less than 20 [μm]. It has suppleness and suppresses stress on the skin, has high moisture permeability, and can prevent skin problems such as rash caused by sweating. Further, when the thickness of the sheet base material 13 is set to 5 [μm] or more and less than 15 [μm], the sheet base material 13 is provided with flexibility and high moisture permeability, and suitably prevents skin troubles. 13 can be suitably manufactured. Furthermore, when the thickness of the sheet base material 13 is set to 9 [μm] or more and less than 11 [μm], the sheet base material 13 is provided with flexibility and high moisture permeability, thereby suitably preventing skin troubles and sheet base material. 13 can be manufactured very suitably. Furthermore, when the thickness of the sheet base material 13 was 10 [μm], it was possible to apply for a long time by fixing the catheter puncture portion or the like. Here, when the thickness of the sheet base material 13 is 20 [μm] or more, it lacks flexibility, causes stress on the skin, and causes a skin trouble due to low moisture permeability. Further, when the thickness of the sheet base material 13 is set to 15 [μm] or more, the flexibility is insufficient depending on the attached state. Further, when the thickness of the sheet base material 13 is less than 5 [μm], the sheet base material 13 is easily torn and the shape of the sheet material is easily broken due to wrinkles, distortion, twisting, and the like, and thus cannot be suitably manufactured.

  In the embodiment of the present invention, when the 50% modulus of the sheet base material 13 is set to 1.0 [N / 19 mm] or less, the skin stress can be appropriately suppressed with sufficient flexibility. When the 50% modulus is 0.7 [N / 19 mm] or more and less than 0.8 [N / 19 mm], the skin stress can be further suppressed with sufficient flexibility. Furthermore, when it is set to 0.75 [N / 19 mm], it is possible to further suppress the stress on the skin with the optimum flexibility. Here, if the 50% modulus of the sheet base material 13 is larger than 1.0 [N / 19 mm], the sheet base material 13 lacks flexibility and cannot suppress skin stress.

In the embodiment of the present invention, when the moisture permeability of the sheet base material 13 on which the adhesive surface 12 is disposed is 2800 [g / m ² · 24 hr] or more, the moisture permeability is high and skin troubles such as rash due to sweating occur. Can be prevented appropriately. Moreover, when the water vapor transmission rate is 2900 [g / m ² · 24 hr] or more, skin troubles can be suitably prevented. Furthermore, when it is set to 3000 [g / m ² · 24 hr], skin troubles can be prevented very suitably. Here, the higher the moisture permeability is, the more the moisture can be prevented and the influence on the skin can be suppressed. On the other hand, when the moisture permeability is less than 2800 [g / m ² · 24 hr], the moisture permeability is low, and skin troubles cannot be prevented appropriately. In the embodiment of the present invention, the tensile strength and elongation are inferior to those of the conventional example, and the water pressure resistance is substantially the same as that of the conventional example. However, there is a problem when the medical dressing 11 is manufactured or applied. There is nothing.

In the embodiment of the present invention, when the coating amount of the adhesive constituting the adhesive surface 12 of the sheet base material 13 is 10 [g / m ² ] or more and less than 30 [g / m ² ], the thickness is thin. The adhesive surface 12 can be appropriately configured with respect to the sheet base material 13. Moreover, when the coating amount of the adhesive is set to 16 [g / m ² ] or more and less than 24 [g / m ² ], the adhesive surface 12 is suitably formed on the thin sheet base material 13. be able to. Furthermore, when it is set to 20 [g / m ² ], the adhesive surface 12 can be very suitably configured with respect to the thin sheet base material 13. Here, when the coating amount of the adhesive is less than 10 [g / m ² ], the adhesive strength for attaching the sheet base material 13 is insufficient, and the coating amount of the adhesive is 30 [g / m ^2]. In the case of above, skin troubles occur during application.

  In the embodiment of the present invention, if the adhesive surface 12 of the sheet base material 13 contains a drug and / or cosmetic, the effect of the drug and / or cosmetic can be obtained. In particular, when corticosteroids are used as drugs, they are effective as anti-inflammatory agents, and when nonsteroidal anti-inflammatory analgesics are used, they are effective in suppressing pain and use cosmetic skin beautifying active ingredients. When it does, there are effects, such as suppressing melanin production.

  The embodiment of the present invention includes a sheet base material 13 having an adhesive surface 12 on the back surface, a first release paper 14 and a second release paper 15 that releasably coat the adhesive surface 12 of the sheet base material 13, A carrier 16 that releasably coats the surface of the sheet base 13 so as to support the shape of the sheet base 13, and a carrier 16 that can be peeled from the sheet base 13 and extends from the sheet base 13. When the guide tape 17 that is affixed and forms the knob portion 21 is provided, the sheet base material 13 having flexibility and high moisture permeability can be suitably manufactured.

  In the embodiment of the present invention, a sheet material is made into a sheet base material 13 using a material sheet comprising a polyurethane sheet material having a thickness of less than 20 [μm] and a carrier material that supports the shape of the sheet material. In addition, when the carrier material is the carrier 16, even when the thickness of the sheet material is as small as 5 [μm] or more and less than 15 [μm], when the carrier material is peeled off during manufacturing, In addition, the shape of the sheet material is not destroyed by twisting and the like, and the sheet base material 13 is prevented from being torn and can be manufactured appropriately.

  In the embodiment of the present invention, before the first release paper 14 and the second release paper 15 are bonded to the sheet material, the process includes a step of peeling the preliminary release paper from the sheet material, and the preliminary release paper is peeled from the sheet material. When the peeling force (separator peeling force) is 0.2 [N / 50 mm] or less, even when the thickness of the sheet material is as thin as 5 [μm] or more and less than 15 [μm] When the preliminary release paper is peeled off, the shape of the sheet material is not destroyed due to wrinkles, distortion, twisting, and the like, and the sheet base material 13 is prevented from tearing and can be suitably manufactured. Further, when the peeling force (separator peeling force) is set to 0.05 [N / 50 mm] or more and less than 0.15 [N / 50 mm], the shape of the sheet material is not destroyed, It can prevent tearing and can be suitably manufactured. Furthermore, when the peeling force (separator peeling force) is 0.1 [N / 50 mm], the shape of the sheet material is not destroyed, and the tearing of the sheet base material 13 is surely prevented, which is extremely suitable for production. can do.

  In the embodiment of the present invention, since the carrier material of the tape raw material (material sheet) is used as it is for the carrier 16, polypropylene (PP) and polyethylene (PE) softer than polyethylene terephthalate (PET) are used. It is possible to reduce the manufacturing cost as well as to suppress the sensation of sensation due to the suppleness. Moreover, the auxiliary tape 19 suppresses the easiness of elongating and curling of polypropylene (PP) and polyethylene (PE) at the time of manufacture, and can make the notch 18 in the carrier 16 easily. Further, since the guide tape 17 is attached to the side portion of the carrier 16 to form the knob portion 21, the process of peeling off the conventional carrier material and re-installing the auxiliary film is unnecessary, and the manufacturing cost is reduced.

  In the embodiment of the present invention, the sheet base material 13 and the carrier 16 are made transparent or translucent, and the guide tape 17 is disposed on the side of the carrier 16 so as to avoid the center of the sheet base material 13. When the release paper 14 is peeled off from the sheet base material 13, it is possible to apply the puncture part or the like through the carrier 16 and the sheet base material 13 through the center of the adhesive surface 12 and recognizing the application location from above. Since the sheet base 13 can be pasted by sufficiently recognizing the location, the sheet base 13 can be suitably pasted to the application location.

  In the embodiment of the present invention, the carrier 16 includes a first separation carrier 16a that releasably covers the center of the surface of the sheet substrate 13, and a second that releasably covers the remaining surface of the sheet substrate 13. When the guide tape 17 is pulled and the first separation carrier 16a and / or the second separation carrier 16b is separated from the sheet base material 13, the carrier 16 is formed into a sheet. Since it can peel easily from the base material 13, the sheet base material 13 can be suitably affixed to an application location, without destroying the shape of the sheet base material 13. FIG.

  It should be noted that the medical dressing material and the manufacturing method thereof according to the present invention are not limited to the above-described embodiments, and it goes without saying that various changes can be made without departing from the scope of the present invention.

It is a top view which shows the example of an embodiment which implements this invention. It is an arrow view of the II-II direction of FIG. It is a flowchart which shows the manufacturing method of the medical dressing material of this invention. It is a top view which shows a prior art example. FIG. 5 is an arrow view in the VV direction of FIG. 4.

Explanation of symbols

11 Medical Dressing Material 12 Adhesive Surface 13 Sheet Base Material 14 First Release Paper (Release Paper)
15 Second release paper (release paper)
16 Carrier 17 Guide tape 21 Knob

Claims (8)

  A medical dressing material capable of attaching a polyurethane sheet base material to an application site, wherein the thickness of the polyurethane sheet base material is less than 20 [μm].   The medical dressing material according to claim 1, wherein a 50% modulus of the sheet base material is 1.0 [N / 19 mm] or less. The medical dressing material according to claim 1, wherein the moisture permeability of the sheet base material on which the adhesive surface is disposed is 2800 [g / m ² · 24 hr] or more.   The medical dressing material according to claim 1, wherein the adhesive surface of the sheet base material contains a drug and / or a cosmetic.   A sheet base material having an adhesive surface on the back surface, a release paper for releasably covering the adhesive surface of the sheet base material, and a surface of the sheet base material for releasable coating so as to support the shape of the sheet base material The medical device according to claim 1, further comprising a carrier and a guide tape that can be peeled from the sheet base material and is attached to the carrier so as to extend from the sheet base material to form a knob. Dressing material.   A material sheet comprising a polyurethane sheet material and a carrier material that supports the shape of the sheet material, wherein the sheet material is used as a sheet base material, and the carrier material is used as a carrier. Item 5. A medical dressing material according to Item 4. Cut a material sheet consisting of a polyurethane sheet material with a thickness of less than 20 [μm] and a carrier material that supports the shape of the sheet material into a predetermined shape, and apply a guide tape to the carrier material of the predetermined shape to the outside Forming a knob that extends to the back of the sheet material,
The sheet material is a sheet base material that can be attached to an application site with the back surface as an adhesive surface, and the carrier material is a carrier that releasably covers the surface of the sheet base material. A manufacturing method for dressing materials.   Before pasting the release paper on the sheet material, it is provided with a step of peeling the preliminary release paper from the sheet material, and the peeling force for peeling the preliminary release paper from the sheet material is 0.2 [N / 50 mm] or less. The method for producing a medical dressing material according to claim 7.

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