JP4231500B2 - Cooling expansion / contraction body - Google Patents

Cooling expansion / contraction body Download PDF

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Publication number
JP4231500B2
JP4231500B2 JP2005248616A JP2005248616A JP4231500B2 JP 4231500 B2 JP4231500 B2 JP 4231500B2 JP 2005248616 A JP2005248616 A JP 2005248616A JP 2005248616 A JP2005248616 A JP 2005248616A JP 4231500 B2 JP4231500 B2 JP 4231500B2
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layer
sheet
sheet body
cooling
endothermic
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JP2007061226A (en
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哲也 松井
真一 栗栖
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Toyo Aluminium Ekco Products Co Ltd
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Toyo Aluminium Ekco Products Co Ltd
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Priority to JP2005248616A priority Critical patent/JP4231500B2/en
Priority to PCT/JP2006/315556 priority patent/WO2007026504A1/en
Priority to KR1020087006663A priority patent/KR100973510B1/en
Priority to CN2006800320840A priority patent/CN101252898B/en
Priority to TW095127916A priority patent/TW200718407A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/10—Cooling bags, e.g. ice-bags
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0001—Body part
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02—Compresses or poultices for effecting heating or cooling
    • A61F2007/0203—Cataplasms, poultices or compresses, characterised by their contents; Bags therefor
    • A61F2007/0206—Cataplasms, poultices or compresses, characterised by their contents; Bags therefor containing organic solids or fibres
    • A61F2007/0209—Synthetics, e.g. plastics
    • A61F2007/0214—Polymers, e.g. water absorbing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02—Compresses or poultices for effecting heating or cooling
    • A61F2007/0244—Compresses or poultices for effecting heating or cooling with layers
    • A61F2007/0246—Compresses or poultices for effecting heating or cooling with layers with a layer having high heat transfer capability
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02—Compresses or poultices for effecting heating or cooling
    • A61F2007/0244—Compresses or poultices for effecting heating or cooling with layers
    • A61F2007/0258—Compresses or poultices for effecting heating or cooling with layers with a fluid permeable layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02—Compresses or poultices for effecting heating or cooling
    • A61F2007/0244—Compresses or poultices for effecting heating or cooling with layers
    • A61F2007/026—Compresses or poultices for effecting heating or cooling with layers with a fluid absorbing layer

Description

この発明は冷却伸縮体に関し、特にスポーツ後の体のケア方法としてのアイシングを簡便にするため皮膚に直接貼り付けアイシングができる冷却伸縮体に関するものである。   The present invention relates to a cooling expansion / contraction body, and more particularly to a cooling expansion / contraction body that can be applied directly to the skin for icing in order to simplify icing as a body care method after sports.

皮膚に直接接触させて吸熱する技術として水分を含んだゲル材を布に塗布した香り付きのゲルシートが提案されている（特許文献１参照）。又、吸熱作用と圧迫作用とを利用した冷却用身体装着用具も提案されている（特許文献２参照）。更に、発熱があった際に、冷却材を袋状に加工した冷却パックなるものが提案され、運動後や一般家庭で使用されている（特許文献３参照）。   A scented gel sheet in which a moisture-containing gel material is applied to a cloth has been proposed as a technique for directly contacting the skin and absorbing heat (see Patent Document 1). In addition, a cooling body wearing tool using an endothermic action and a compression action has also been proposed (see Patent Document 2). Further, a cooling pack in which a coolant is processed into a bag shape when heat is generated is proposed and used after exercise or in a general household (see Patent Document 3).

特開平１１‐２４６３９７号公報Japanese Patent Application Laid-Open No. 11-246397 特開２００１‐８７０８０号公報Japanese Patent Laid-Open No. 2001-87080 特許第３５７４４９６号公報Japanese Patent No. 3574496

上記のようなゲルシートを、運動中に受けた外傷、打撲、疲労等により疼痛、炎症、熱感等が起り関節の痛みや筋肉をケアするためにゲル層面を皮膚に貼り付けた場合を想定する。この場合、ゲル層自体の粘着力が弱いために動くとすぐに剥がれてしまい使い勝手が良いとは言えない。又、冷却直後に運動する場合は、貼付体自体を外す必要がある。   Assuming that the gel layer as described above is affixed to the skin in order to care for pain and muscles of joints due to pain, inflammation, heat, etc. due to trauma, bruise, fatigue etc. received during exercise . In this case, since the adhesive strength of the gel layer itself is weak, the gel layer peels off as soon as it moves, and it cannot be said that it is convenient. Moreover, when exercising immediately after cooling, it is necessary to remove the patch itself.

液体を収容した冷却袋や冷却材を袋状に加工した冷却パックや氷を入れ肩や肘などに使用するゴム製のアイシングパック等は、いずれも粘着層が形成されていない。そのため、袋等を手で押し当てるかゴムバンドや面ファスナー等で固定する必要がある。この場合、内容物が氷や冷却材であるため患部を冷やし過ぎて凍傷になり、却って事故が起こる可能性がある。   A cooling bag containing liquid, a cooling pack obtained by processing a cooling material into a bag shape, or a rubber icing pack that contains ice and is used for a shoulder or an elbow has no adhesive layer. Therefore, it is necessary to press the bag or the like by hand or fix it with a rubber band or a hook-and-loop fastener. In this case, since the contents are ice or a coolant, the affected part is cooled too much, resulting in frostbite, and an accident may occur.

又、皮膚表面に貼付体や冷却パック等を直接皮膚に当てたり貼ったりすると、急激に患部が冷やされることで体が一瞬萎縮してしまうという問題がある。更に、冷却後には、患部保護のためにテーピングをする必要があるが、別途テーピングをする用意が必要となる。   In addition, when a patch or a cooling pack is directly applied to or pasted on the skin surface, there is a problem that the affected body is suddenly cooled, causing the body to atrophy for a moment. Further, after cooling, taping is necessary to protect the affected area, but it is necessary to prepare for taping separately.

この発明は、上記のような課題を解決するためになされたもので、患部のアイシングを容易とすると共に、アイシング中に動いても剥がれ落ちたりしにくい冷却伸縮体を提供することを目的とする。   The present invention has been made to solve the above-described problems, and it is an object of the present invention to provide a cooling stretchable body that facilitates icing of an affected area and that does not easily peel off even if moved during icing. .

上記の目的を達成するために、請求項１記載の発明は、皮膚等の被貼付部位に貼り付けて使用する冷却伸縮体であって、保有する水分の気化によって吸熱する吸熱層と、吸熱層の一方面の全面に形成され、全方位に伸縮性を有する第１シート体と、第１シート体の外方面に形成された粘着層とを備え、吸熱層の他方面の全面に形成された第２シート体を更に備え、第１シート体と吸熱層との接合力は、第２シート体と吸熱層との接合力より小さくしたものである。 In order to achieve the above-described object, the invention according to claim 1 is a cooling stretchable body that is used by being attached to a site to be pasted such as skin, and an endothermic layer that absorbs heat by vaporization of retained moisture, and an endothermic layer Formed on the entire surface of one side of the heat-absorbing layer, and includes a first sheet body having elasticity in all directions and an adhesive layer formed on the outer surface of the first sheet body . A second sheet body is further provided, and the bonding force between the first sheet body and the endothermic layer is smaller than the bonding force between the second sheet body and the endothermic layer .

このように構成すると、吸熱層を有する冷却伸縮体全体が全方位に伸縮自在となる。又、吸熱層の他方面は第２シート体によって覆われる。更に、第２シート体を剥がす方向に力を加えると、吸熱層と共に第１シート体から分離する。 If comprised in this way, the whole cooling expansion-contraction body which has an endothermic layer will become elastic in all directions . The other surface of the endothermic layer is covered with the second sheet body. Furthermore, when a force is applied in the direction in which the second sheet body is peeled off, the second sheet body is separated from the first sheet body together with the endothermic layer.

請求項２記載の発明は、請求項１記載の発明の構成において、吸熱層は含水ゲル層よりなるものである。   According to a second aspect of the present invention, in the configuration of the first aspect of the present invention, the endothermic layer is a hydrogel layer.

このように構成すると、多量の水分を保有することが可能となる。   If comprised in this way, it will become possible to hold a lot of moisture.

請求項３記載の発明は、請求項２記載の発明の構成において、第１シート体は、繊維自体が伸縮性を有する不織布よりなるものである。   According to a third aspect of the present invention, in the configuration of the second aspect of the invention, the first sheet body is made of a nonwoven fabric in which the fibers themselves are stretchable.

このように構成すると、いずれの方向にも冷却伸縮体の伸縮が可能となる。   If comprised in this way, expansion / contraction of a cooling expansion-contraction body will be attained in any direction.

請求項４記載の発明は、請求項１から請求項３のいずれかに記載の発明の構成において、第２シート体は、不織布よりなるものである。 According to a fourth aspect of the present invention, in the configuration of the invention according to any one of the first to third aspects, the second sheet body is made of a nonwoven fabric.

このように構成すると、第２シート体の通気性が確保される。   If comprised in this way, the air permeability of a 2nd sheet | seat body will be ensured.

請求項５記載の発明は、請求項１から請求項４のいずれかに記載の発明の構成において、粘着層は、金属粉末を含むものである。 According to a fifth aspect of the present invention, in the configuration of the invention according to any one of the first to fourth aspects, the adhesive layer includes a metal powder.

このように構成すると、粘着層の熱伝導率が高くなる。   If comprised in this way, the heat conductivity of the adhesion layer will become high.

以上説明したように、請求項１記載の発明は、吸熱層を有する冷却伸縮体全体が全方位に伸縮自在となるため、被貼付部位の形態に拘らず吸熱層を密着状態に保持することが可能となる。又、第１シート体をテーピング材として用いれば、テーピングによる固定効果と吸熱層の冷却効果とが相乗的に発揮され、被貼付部の炎症等を鎮め効果的な治療が可能となる。更に、吸熱層を除去すれば第１シート体のテーピング効果はそのまま持続するため使い勝手が良い。更に、吸熱層の他方面は第２シート体によって覆われるため、吸熱層が衣類等に直接触れることがなくなり使用勝手が向上する。更に、第２シート体を剥がす方向に力を加えると吸熱層と共に第１シート体から分離するため、不要となった吸熱層の除去が容易となり使い勝手が良い。 As described above, in the first aspect of the invention, since the entire cooling stretchable body having the endothermic layer can be expanded and contracted in all directions, the endothermic layer can be maintained in a close contact state regardless of the form of the part to be pasted. It becomes possible. Further, if the first sheet body is used as a taping material, the fixing effect by taping and the cooling effect of the heat absorption layer are synergistically exhibited, and inflammation and the like of the adherend can be suppressed and effective treatment can be achieved. Further, if the endothermic layer is removed, the taping effect of the first sheet body is maintained as it is, so that it is easy to use. Furthermore, since the other surface of the endothermic layer is covered with the second sheet body, the endothermic layer does not directly touch clothing or the like, improving usability. Furthermore, if a force is applied in the direction in which the second sheet body is peeled off, it is separated from the first sheet body together with the endothermic layer, so that the unnecessary endothermic layer can be easily removed and the usability is good.

請求項２記載の発明は、請求項１記載の発明の効果に加えて、多量の水分を保有することができるため、水分の気化に時間が掛かり、吸熱効果の持続時間が長くなる。   In addition to the effect of the invention described in claim 1, the invention described in claim 2 can retain a large amount of moisture, so that it takes time to evaporate the moisture and the duration of the endothermic effect is prolonged.

請求項３記載の発明は、請求項２記載の発明の効果に加えて、いずれの方向にも冷却伸縮体の伸縮が可能となるため、被貼付部位がいずれにあっても貼付けが容易となり使用勝手が向上する。又、不織布自体通気性を有するため、吸熱層の気化が促進され冷却効率が向上する。   In addition to the effect of the invention described in claim 2, the invention described in claim 3 can be used for expansion and contraction of the cooling expansion / contraction body in any direction. Selfishness improves. Further, since the nonwoven fabric itself has air permeability, vaporization of the endothermic layer is promoted and cooling efficiency is improved.

請求項４記載の発明は、請求項１から請求項３のいずれかに記載の発明の効果に加えて、第２シート体の通気性が確保されるため、吸熱層の気化を阻害することなく、その冷却効果を維持することが可能となる。 In addition to the effects of the invention according to any one of claims 1 to 3 , the invention according to claim 4 ensures air permeability of the second sheet body, and thus does not hinder vaporization of the endothermic layer. The cooling effect can be maintained.

請求項５記載の発明は、請求項１から請求項４のいずれかに記載の発明の効果に加えて、粘着層の熱伝導率が高くなるため、貼付部位の冷却効果がより高まり治療効果が向上する。 In addition to the effect of the invention according to any one of claims 1 to 4 , the invention according to claim 5 has a higher thermal conductivity of the adhesive layer, so that the cooling effect of the applied site is further increased and the therapeutic effect is improved. improves.

図１はこの発明の第１の実施の形態による冷却伸縮体の概略形状を示した斜視図である。   FIG. 1 is a perspective view showing a schematic shape of a cooling stretchable body according to the first embodiment of the present invention.

図を参照して、冷却伸縮体１１はシート状の含水ゲル層１３を中心として構成されている。含水ゲル層１３は、具体的には例えば水溶性高分子１０〜４０重量％と、これによって形成された水分率５０〜８０重量％と、添加剤１０重量％とからなるゲル構造によって構成されている。含水ゲル層１３の下方面の全面には目付量３０〜１００ｇ／ｍ２の伸縮不織布が第１シート体１４として形成されている。第１シート体１４は具体的にはポリエステルエラストマーやウレタン等の繊維自体が伸縮性を有する材料によって構成されている。これによって、第１シート体１４はその面内において全方位に伸縮自在となるように構成されている。 Referring to the drawing, the cooling expansion / contraction body 11 is configured around a sheet-like hydrogel layer 13. Specifically, the water-containing gel layer 13 is constituted by a gel structure composed of, for example, 10 to 40% by weight of a water-soluble polymer, 50 to 80% by weight of water formed thereby, and 10% by weight of an additive. Yes. A stretchable nonwoven fabric having a basis weight of 30 to 100 g / m 2 is formed as a first sheet body 14 on the entire lower surface of the hydrogel layer 13. Specifically, the first sheet body 14 is made of a material in which fibers such as polyester elastomer and urethane have elasticity. Thus, the first sheet body 14 is configured to be stretchable in all directions within the plane.

第１シート体１４の下面には粘着層１７が全面に付着量（乾燥前重量）８０〜１５０ｇ／ｍ２で形成されている。粘着層１７は具体的にはアクリル系粘着剤に平均粒径１〜３０μｍのアルミ粉末を１〜８０重量％含有させたものより構成されている。アルミ粉末以外の金属粉末としては、金、白金、銀、銅、鉄等が考えられるが、コスト面と熱伝導面からはアルミ粉末が好ましい。アルミ粉末の含有によって粘着層１７の熱伝導率が高くなり、含水ゲル層１３の気化熱による冷却効果の向上に寄与する。尚、粘着層１７の下面全面には剥離紙１９が形成されている。 An adhesive layer 17 is formed on the entire lower surface of the first sheet body 14 with an adhesion amount (weight before drying) of 80 to 150 g / m 2 . Specifically, the adhesive layer 17 is made of an acrylic adhesive containing 1 to 80% by weight of aluminum powder having an average particle diameter of 1 to 30 μm. As the metal powder other than the aluminum powder, gold, platinum, silver, copper, iron and the like can be considered, but aluminum powder is preferable from the viewpoint of cost and heat conduction. Inclusion of the aluminum powder increases the thermal conductivity of the adhesive layer 17 and contributes to an improvement in the cooling effect by the heat of vaporization of the hydrogel layer 13. A release paper 19 is formed on the entire lower surface of the adhesive layer 17.

一方、含水ゲル層１３の上面全面に第２シート体１６が形成されている。第２シート体１６は具体的には目付量２０〜１００ｇ／ｍ２の伸縮性不織布より構成されている。この不織布は例えばレーヨンより構成され、その面内において少なくとも一方向に伸縮可能となるように形成されている。そして、第２シート体１６を含水ゲル層１３の上面全面に形成することにより、含水ゲル層１３の表面を保護する機能を発揮する。即ち、冷却伸縮体１１を患部に貼り付けた場合、第１シート体１４は皮膚側となり、第２シート体１６は衣服側となる。この時、衣服等の摩擦によって含水ゲル層１３が破壊されることを第２シート体１６によって防止するように構成されている。又、第２シート体１６を形成することによって含水ゲル層１３内に保有されている水分の気化を適度に抑制し、含水ゲル層１３による冷却効果を長く持続させることが可能となる。 On the other hand, the second sheet body 16 is formed on the entire upper surface of the hydrated gel layer 13. The 2nd sheet | seat body 16 is specifically comprised from the stretchable nonwoven fabric of 20-100 g / m < 2 > of fabric weights. This nonwoven fabric is made of, for example, rayon, and is formed so as to be stretchable in at least one direction within the plane. And the function which protects the surface of the hydrogel layer 13 is exhibited by forming the 2nd sheet body 16 in the upper surface whole surface of the hydrogel layer 13. As shown in FIG. That is, when the cooling expansion / contraction body 11 is attached to the affected part, the first sheet body 14 is on the skin side, and the second sheet body 16 is on the clothes side. At this time, the second sheet 16 prevents the hydrated gel layer 13 from being destroyed by friction of clothes or the like. Further, by forming the second sheet body 16, it is possible to appropriately suppress the vaporization of moisture held in the water-containing gel layer 13 and to maintain the cooling effect by the water-containing gel layer 13 for a long time.

次に、この冷却伸縮体１１の使用方法について説明する。   Next, the usage method of this cooling expansion-contraction body 11 is demonstrated.

通常冷却伸縮体１１は非透湿性の袋等に封入されている。これによって含水ゲル層１３に保有されている水分の気化が防止される。使用に際しては、この袋を破り、冷却伸縮体１１を取り出して剥離紙１９を粘着層１７から除去する。この状態でアイシングすべき患部に対して粘着層１７が直接接するようにして貼り付ける。粘着層１７を保持する第１シート体１４は、上述のようにその面内において全方位に伸縮自在となっているため、患部の部位に拘らず容易に冷却伸縮体１１を貼り付けることが可能となる。この時、粘着層１７が伸張状態で貼り付けられると、その連続性が失われ、通気性が高まることにもなる。   Usually, the cooling expansion / contraction body 11 is sealed in a moisture-impermeable bag or the like. This prevents vaporization of moisture held in the hydrogel layer 13. In use, the bag is broken, the cooling elastic body 11 is taken out, and the release paper 19 is removed from the adhesive layer 17. In this state, the adhesive layer 17 is attached so as to be in direct contact with the affected part to be iced. Since the first sheet body 14 holding the adhesive layer 17 is stretchable in all directions within the plane as described above, the cooling stretchable body 11 can be easily attached regardless of the site of the affected part. It becomes. At this time, if the adhesive layer 17 is stuck in an extended state, the continuity is lost and the air permeability is increased.

患部の熱は粘着層１７及び第１シート体１４を介して含水ゲル層１３に伝達される。この時上述のように粘着層１７にはアルミ粉末が含有されているため、含有されていないものに比べて熱伝導効果が向上している。そのため患部の体温は効率的に含水ゲル層１３に伝達され、含水ゲル層１３に保有されている水分の気化を促進する。この結果、含水ゲル層１３の気化熱によって患部は冷やされ、アイシング効果が発揮される。この時第１シート体１４は、その構造から通気性を有しているため、患部側の温かい空気が含水ゲル層１３に到達することになり、含水ゲル層１３の気化にも寄与する。   The heat of the affected part is transmitted to the hydrogel layer 13 through the adhesive layer 17 and the first sheet body 14. At this time, since the aluminum powder is contained in the adhesive layer 17 as described above, the heat conduction effect is improved as compared with the case where the adhesive layer 17 is not contained. Therefore, the body temperature of the affected part is efficiently transmitted to the hydrated gel layer 13 and promotes the vaporization of water held in the hydrated gel layer 13. As a result, the affected part is cooled by the heat of vaporization of the hydrogel layer 13, and the icing effect is exhibited. Since the 1st sheet | seat body 14 has air permeability from the structure at this time, the warm air by the side of an affected part will reach the water-containing gel layer 13, and it contributes also to the vaporization of the water-containing gel layer 13. FIG.

含水ゲル層１３の上面に形成された第２シート体１６は上述のようにその面内の少なくとも一方向に伸縮自在となるように構成されているため、冷却伸縮体１１の患部への貼付け時の伸張変化に容易に追随することが可能となる。又、第２シート体１６自体も通気性を有しているため、含水ゲル層１３に保有されている水分の気化を阻害する虞がない。   Since the second sheet body 16 formed on the upper surface of the hydrogel layer 13 is configured to be stretchable in at least one direction within the plane as described above, the cooling stretchable body 11 is applied to the affected part. It is possible to easily follow the change in the stretching of the. Further, since the second sheet body 16 itself also has air permeability, there is no possibility of inhibiting the vaporization of moisture held in the water-containing gel layer 13.

このように、この実施の形態による冷却伸縮体１１にあっては、剥離紙１９を剥がして粘着層１７を直接患部に貼り付けるだけで、患部のアイシングを容易とすると共に患部を動かしたとしても、剥がれ落ちる心配がない。これによって効果的なアイシング効果を期待することができる。   As described above, in the cooling expansion / contraction body 11 according to this embodiment, even if the detachment paper 19 is peeled off and the adhesive layer 17 is directly attached to the affected part, icing of the affected part is facilitated and the affected part is moved. No worries about peeling off. As a result, an effective icing effect can be expected.

次に含水ゲル層１３に保有されている水分が完全に気化した状態について説明する。この状態にあっては、冷却伸縮体１１はもはや冷却効果を発揮するものではない。従って含水ゲル層１３は不要となる。そこで、含水ゲル層１３を第２シート体１６と共に剥がすと、患部には粘着層１７を介して貼り付けられた第１シート体１４が残ることになる。第１シート体１４は上述のように伸縮性を有するものであるため、その状態で患部に対してテーピング効果を発揮する。通常であれば、アイシングが終了した後、別途テーピング材料等を用いて患部をテーピングする必要がある。しかしこの実施の形態による冷却伸縮体１１にあっては、含水ゲル層１３及び第２シート体１６を除去するだけで、別途テーピングする必要がないため、効率的な治療となる。   Next, the state in which the water held in the hydrogel layer 13 is completely vaporized will be described. In this state, the cooling expansion / contraction body 11 no longer exhibits the cooling effect. Accordingly, the hydrogel layer 13 is not necessary. Therefore, when the hydrogel layer 13 is peeled off together with the second sheet body 16, the first sheet body 14 attached via the adhesive layer 17 remains in the affected area. Since the 1st sheet | seat body 14 has a stretching property as mentioned above, the taping effect is exhibited with respect to an affected part in the state. Normally, after the icing is completed, it is necessary to tap the affected part using a separate taping material or the like. However, in the cooling expansion / contraction body 11 according to this embodiment, only the water-containing gel layer 13 and the second sheet body 16 are removed, and it is not necessary to tap them separately, so that it is an efficient treatment.

この実施の形態にあっては、アイシング後にそのままテーピング効果を持続させるために、含水ゲル層１３及び第２シート体１６を容易に第１シート体１４から除去できるように構成されている。即ち、含水ゲル層１３と第１シート体１４との接合力が、含水ゲル層１３と第２シート体１６との接合力より小さくなるように第１シート体１４及び第２シート体１６の構成（目付量及び材質）が設定されている。これによって第２シート体１６を摘んでこれを剥がそうと力を加えた時、含水ゲル層１３は第２シート体１６と共に第１シート体１４から容易に分離されることになる。   In this embodiment, the hydrogel layer 13 and the second sheet body 16 can be easily removed from the first sheet body 14 in order to maintain the taping effect as it is after the icing. That is, the configuration of the first sheet body 14 and the second sheet body 16 is such that the bonding force between the hydrogel layer 13 and the first sheet body 14 is smaller than the bonding force between the hydrogel layer 13 and the second sheet body 16. (Weight per unit area and material) are set. Accordingly, when the second sheet body 16 is picked and a force is applied to peel it off, the hydrogel layer 13 is easily separated from the first sheet body 14 together with the second sheet body 16.

図２は図１で示した冷却伸縮体の製造工程を示した概略断面図である。   FIG. 2 is a schematic cross-sectional view showing a manufacturing process of the cooling stretchable body shown in FIG.

その（１）に示されているように、所定の材料及び厚みよりなる剥離紙１９を準備し、その一方面の全面にその（２）に示されているように粘着層１７を形成する。   As shown in (1), a release paper 19 made of a predetermined material and thickness is prepared, and an adhesive layer 17 is formed on the entire surface of one side thereof as shown in (2).

次にその（３）に示されているように、粘着層１７の外方面に第１シート体１４を設置する。更に第１シート体１４の外方面に含水ゲル層１３を全面に形成する。尚、含水ゲル層１３には接着効果を発揮させるための粘着付与剤が添加されている。そして、含水ゲル層１３の一部は第１シート体１４の表面から侵入し、所定の接合力が発揮されることになる。この侵入量は第１シート体１４の目付量に対して反比例するように働く。即ち、第１シート体１４の目付量を大きくすれば、表面が密となるため含水ゲル層１３の侵入量が減るため含水ゲル層１３との接合力は低下することになる。   Next, as shown in (3), the first sheet body 14 is installed on the outer surface of the adhesive layer 17. Further, the hydrogel layer 13 is formed on the entire outer surface of the first sheet body 14. In addition, the hydrogel layer 13 is added with a tackifier for exerting an adhesive effect. And a part of hydrous gel layer 13 penetrate | invades from the surface of the 1st sheet | seat body 14, and predetermined | prescribed joining force is exhibited. This penetration amount works so as to be inversely proportional to the basis weight of the first sheet body 14. That is, if the basis weight of the first sheet body 14 is increased, the surface becomes dense and the amount of penetration of the water-containing gel layer 13 is reduced, so that the bonding force with the water-containing gel layer 13 is reduced.

次にその（５）に示されているように、含水ゲル層１３の外方面全面に第２シート体１６を設置する。この時、含水ゲル層１３の上面の一部は第２シート体１６の下面に侵入し、所定の接合力を発揮することになる。この接合力も第２シート体１６の目付量によって変化する。そしてこの実施の形態にあっては、上述のように含水ゲル層１３の第２シート体１６に対する接合力が、含水ゲル層１３の第１シート体１４に対する接合力より大きくなるように第１シート体１４及び第２シート体１６が設定されている。これによって、第２シート体１６に対して剥がす方向に力を加えた時、含水ゲル層１３は第２シート体１６と共に第１シート体１４から離れるように分離する。このようにして図１で示した冷却伸縮体を製造することが可能となる。   Next, as shown in (5), the second sheet body 16 is installed on the entire outer surface of the hydrogel layer 13. At this time, a part of the upper surface of the hydrogel layer 13 enters the lower surface of the second sheet body 16 and exhibits a predetermined bonding force. This bonding force also varies depending on the basis weight of the second sheet body 16. In this embodiment, as described above, the first sheet is such that the bonding force of the hydrogel layer 13 to the second sheet body 16 is greater than the bonding force of the hydrogel layer 13 to the first sheet body 14. The body 14 and the second sheet body 16 are set. As a result, when a force is applied to the second sheet body 16 in the peeling direction, the hydrogel layer 13 is separated from the first sheet body 14 together with the second sheet body 16. In this manner, the cooling expansion / contraction body shown in FIG. 1 can be manufactured.

尚、上記の実施の形態では、吸熱層として含水ゲル層を用いているが、水分の気化によって気化熱を奪うものであれば他の構成によるものであっても良い。   In the above embodiment, the hydrogel layer is used as the endothermic layer. However, any other configuration may be used as long as it removes the heat of vaporization by moisture vaporization.

又、上記の実施の形態では、第１シート体として弾性を有する繊維よりなる不織布を用いているが、これに代えて弾性を有するゴムシート等であっても良い。この場合、通気孔
等を形成して通気性を付与するとより好ましい。 Moreover, in said embodiment, although the nonwoven fabric which consists of an elastic fiber is used as a 1st sheet body, it replaces with this and the rubber sheet etc. which have elasticity may be sufficient. In this case, it is more preferable to form air holes or the like to impart air permeability.

更に、上記の実施の形態では、粘着層を第１シート体の下面全面に塗布しているが、通気性を向上させるために粘着層を格子状や島状に塗布するようにしても良い。   Further, in the above-described embodiment, the adhesive layer is applied to the entire lower surface of the first sheet body. However, the adhesive layer may be applied in a lattice shape or an island shape in order to improve air permeability.

更に、上記の実施の形態では、第２シート体は第１シート体の不織布とは異なった不織布を使用しているが、第１シートの不織布と同一の不織布を用いても良いことは言うまでもない。   Furthermore, in the above embodiment, the second sheet body uses a non-woven fabric different from the non-woven fabric of the first sheet body, but it goes without saying that the same non-woven fabric as the non-woven fabric of the first sheet may be used. .

更に、上記の実施の形態では、粘着層に金属粉末を含有させているが、金属粉末は必ずしもなくても良い。   Furthermore, in the above embodiment, the metal powder is contained in the adhesive layer, but the metal powder is not necessarily required.

更に、上記の実施の形態では、第１シート体と含水ゲル層との接合力は第２シート体と含水ゲル層との接合力より小さく設定されているが、これらは同一でも良くあるいは逆であっても良い。   Furthermore, in the above embodiment, the bonding force between the first sheet body and the hydrogel layer is set smaller than the bonding force between the second sheet body and the hydrogel layer, but these may be the same or vice versa. There may be.

この発明の第１の実施の形態による冷却伸縮体の概略形状を示した斜視図である。It is the perspective view which showed schematic shape of the cooling expansion-contraction body by 1st Embodiment of this invention. 図１で示した冷却伸縮体の製造工程を示した概略断面図である。It is the schematic sectional drawing which showed the manufacturing process of the cooling expansion-contraction body shown in FIG.

符号の説明Explanation of symbols

１１…冷却伸縮体
１３…含水ゲル層
１４…第１シート体
１６…第２シート体
１７…粘着層
尚、各図中同一符号は同一又は相当部分を示す。 DESCRIPTION OF SYMBOLS 11 ... Cooling expansion-contraction body 13 ... Water-containing gel layer 14 ... 1st sheet | seat body 16 ... 2nd sheet | seat body 17 ... Adhesive layer In addition, the same code | symbol in each figure shows the same or an equivalent part.

Claims (5)

皮膚等の被貼付部位に貼り付けて使用する冷却伸縮体であって、
保有する水分の気化によって吸熱する吸熱層と、
前記吸熱層の一方面の全面に形成され、全方位に伸縮性を有する第１シート体と、
前記第１シート体の外方面に形成された粘着層とを備え、
前記吸熱層の他方面の全面に形成された第２シート体を更に備え、
前記第１シート体と前記吸熱層との接合力は、前記第２シート体と前記吸熱層との接合力より小さい、冷却伸縮体。 It is a cooling expansion and contraction body that is used by pasting it to the part to be applied such as skin
An endothermic layer that absorbs heat by vaporization of the water it holds;
A first sheet formed on the entire surface of one end of the endothermic layer and having stretchability in all directions ;
An adhesive layer formed on the outer surface of the first sheet body ,
A second sheet formed on the entire other surface of the endothermic layer;
A cooling expansion / contraction body in which a bonding force between the first sheet body and the endothermic layer is smaller than a bonding force between the second sheet body and the endothermic layer . 前記吸熱層は、含水ゲル層よりなる、請求項１記載の冷却伸縮体。 The cooling elastic body according to claim 1, wherein the endothermic layer is a hydrogel layer. 前記第１シート体は、繊維自体が伸縮性を有する不織布よりなる、請求項２記載の冷却伸縮体。 The said 1st sheet | seat body is a cooling expansion-contraction body of Claim 2 which consists of a nonwoven fabric in which fiber itself has a stretching property. 前記第２シート体は、不織布よりなる、請求項１から請求項３のいずれかに記載の冷却伸縮体。 The said 2nd sheet | seat body is a cooling expansion-contraction body in any one of Claims 1-3 which consists of a nonwoven fabric. 前記粘着層は、金属粉末を含む、請求項１から請求項４のいずれかに記載の冷却伸縮体。 The cooling adhesion body according to any one of claims 1 to 4 in which said adhesion layer contains metal powder.
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