JPS644813Y2 - - Google Patents
Info
- Publication number
- JPS644813Y2 JPS644813Y2 JP4826883U JP4826883U JPS644813Y2 JP S644813 Y2 JPS644813 Y2 JP S644813Y2 JP 4826883 U JP4826883 U JP 4826883U JP 4826883 U JP4826883 U JP 4826883U JP S644813 Y2 JPS644813 Y2 JP S644813Y2
- Authority
- JP
- Japan
- Prior art keywords
- drug
- layer
- holes
- hole
- adhesive layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000010410 layer Substances 0.000 claims description 12
- 239000003814 drug Substances 0.000 claims description 7
- 229940079593 drug Drugs 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 239000004570 mortar (masonry) Substances 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- -1 fluororesin Polymers 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 229920002589 poly(vinylethylene) polymer Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Medicinal Preparation (AREA)
Description
【考案の詳細な説明】
本考案は柔軟性にすぐれ、しかも皮膚に貼着後
において被服などによつて剥ぎ取られないように
構成した新規な貼付剤に関するものである。[Detailed Description of the Invention] The present invention relates to a novel adhesive patch that has excellent flexibility and is constructed so that it cannot be peeled off by clothing after being applied to the skin.
貼付剤の基材として、発泡フイルム又はシート
を用いることは知られているが、皮膚に貼着後被
服を着たり脱いだりするときなどに、表面摩擦に
より剥がれるといつた欠点がある。この欠点を解
決するために、発泡フイルム又はシートの表面
（薬物含有貼着剤層を設けない面）にプラスチツ
ク膜を設けて、被服との摩擦係数を小さくして剥
離を防止する試みもなされいるが、発泡フイルム
又はシートのクツシヨン性に起因して充分な剥が
れ防止効果が得られず、しかもプラスチツク膜の
貼り付けに起因して発泡フイルム又はシートの柔
軟性（殊に伸縮性）が低下し、皮膚の屈曲部など
に用いると違和感を与えるという欠点があつた。 Although it is known to use a foamed film or sheet as a base material for a patch, it has the disadvantage that it may peel off due to surface friction when putting on or taking off clothing after being stuck on the skin. In order to solve this drawback, attempts have been made to provide a plastic film on the surface of the foamed film or sheet (the side on which the drug-containing adhesive layer is not provided) to reduce the coefficient of friction with clothing and prevent peeling. However, due to the cushioning properties of the foamed film or sheet, a sufficient peeling prevention effect cannot be obtained, and furthermore, the flexibility (especially elasticity) of the foamed film or sheet decreases due to the attachment of the plastic film. It has the disadvantage that it gives a sense of discomfort when used on curved areas of the skin.
本考案はかかる欠点は解決した新規な貼付剤を
提供するもので、以下図面を用いて具体的に説明
する。 The present invention provides a new adhesive patch that solves these drawbacks, and will be specifically explained below with reference to the drawings.
第１図Ａにおいて、１は長鎖アルキルアクリレ
ート系共重合物、フツ素系樹脂、シリコーン系樹
脂などからなる厚さ約0.5〜10μmの滑性ポリマー
層、２は軟質ポリウレタン、軟質ポリ塩化ビニ
ル、軟質ポリエチレンン、１・２−ポリブタジエ
ンなどからなる150〜500％の伸びを有する独立系
発泡層（厚さは50〜2000μm）、３はゴム及び／又
は合成樹脂を主剤とする常温で感圧接着性を有す
る材料と薬物と、必要に応じて添加される薬物吸
収助剤などから構成される薬物含有貼着剤層であ
る。４はこれら１，２及び３を貫通させて設けて
なる孔で、該孔は10〜70個／cm2の範囲で均一に分
布されている。 In FIG. 1A, 1 is a lubricating polymer layer with a thickness of about 0.5 to 10 μm made of a long-chain alkyl acrylate copolymer, fluororesin, silicone resin, etc., 2 is a soft polyurethane, soft polyvinyl chloride, Independent foam layer (thickness: 50-2000μm) with an elongation of 150-500% made of soft polyethylene, 1,2-polybutadiene, etc., 3 is a pressure-sensitive adhesive at room temperature whose main ingredient is rubber and/or synthetic resin. This is a drug-containing adhesive layer that is composed of a material that has properties, a drug, and a drug absorption aid added as necessary. Reference numeral 4 denotes holes provided through these holes 1, 2, and 3, and the holes are uniformly distributed in the range of 10 to 70 holes/cm 2 .
しかして該孔４の形状は第１図及び第２図に図
示する如く略擂り鉢状になつていることが必要で
あり、表面側の孔ロ部面積は10〜70％の範囲が好
ましいものである。 Therefore, the shape of the hole 4 needs to be approximately mortar-shaped as shown in FIGS. 1 and 2, and the area of the hole on the surface side is preferably in the range of 10 to 70%. It is.
本考案の貼付剤は以上のように構成されている
ので以下のような効果を有する。 Since the adhesive patch of the present invention is constructed as described above, it has the following effects.
１ 表面に滑性ポリマー層が形成され、しかも孔
が形成されて平担部の表面積が小さいので、被
服との滑りがよく、従つて貼付剤が剥ぎ取られ
ることがない。1. A slippery polymer layer is formed on the surface, and since pores are formed and the surface area of the flat part is small, it slides easily against clothing, and therefore the patch will not be peeled off.
２ ポリマー層にも孔が設けられているので柔ら
かく、従つて発泡層の柔軟性を阻害することが
ない。2. Since the polymer layer is also provided with pores, it is soft and does not impede the flexibility of the foam layer.
３ 孔は略擂り鉢状となつているので、垂直型の
孔を形成した場合に比して、発泡層の物理的強
度を低下させる割合が少なく、従つて剥離時に
破れたりすることが少ない。3. Since the holes are approximately mortar-shaped, the physical strength of the foamed layer is less likely to be reduced than when vertical holes are formed, and therefore less likely to tear during peeling.
４ 発泡層として独立気泡系のものを用いている
ので適度なムレ効果を発揮し、薬物の経皮吸収
性を高める。4. Since a closed cell foam layer is used, it exhibits a moderate stuffiness effect and enhances the transdermal absorption of the drug.
第１図Ａは本考案の実例を示す部分斜視図、第
１図Ｂは第１図Ａを−′線で切断した縦断面
図、第２図は本考案の他の実例を示す部分断面図
である。
１……滑性ポリマー層、２……独立系発泡層、
３……薬物含有貼着剤層、４……孔。
Fig. 1A is a partial perspective view showing an example of the present invention, Fig. 1B is a vertical sectional view taken along the line -' of Fig. 1A, and Fig. 2 is a partial sectional view showing another example of the invention. It is. 1...Lubricating polymer layer, 2...Independent foam layer,
3... Drug-containing adhesive layer, 4... Holes.
Claims (1)
貼着剤層とがこの順序で積層されていると共に、
これらの三層を貫通する孔が設られ且つ該孔は前
記貼着剤層側に向けて略擂り鉢状とされているこ
とを特徴とする貼付剤。 A slippery polymer layer, an independent foam layer, and a drug-containing adhesive layer are laminated in this order, and
A patch characterized in that a hole is provided that penetrates these three layers, and the hole has a substantially mortar shape toward the adhesive layer side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4826883U JPS59154232U (en) | 1983-03-31 | 1983-03-31 | patch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4826883U JPS59154232U (en) | 1983-03-31 | 1983-03-31 | patch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59154232U JPS59154232U (en) | 1984-10-16 |
| JPS644813Y2 true JPS644813Y2 (en) | 1989-02-07 |
Family
ID=30178806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4826883U Granted JPS59154232U (en) | 1983-03-31 | 1983-03-31 | patch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59154232U (en) |
-
1983
- 1983-03-31 JP JP4826883U patent/JPS59154232U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59154232U (en) | 1984-10-16 |
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