WO2007026504A1 - Feuille de refroidissement extensible - Google Patents

Feuille de refroidissement extensible Download PDF

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Publication number
WO2007026504A1
WO2007026504A1 PCT/JP2006/315556 JP2006315556W WO2007026504A1 WO 2007026504 A1 WO2007026504 A1 WO 2007026504A1 JP 2006315556 W JP2006315556 W JP 2006315556W WO 2007026504 A1 WO2007026504 A1 WO 2007026504A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooling
layer
sheet
sheet body
stretchable
Prior art date
Application number
PCT/JP2006/315556
Other languages
English (en)
Japanese (ja)
Inventor
Tetsuya Matsui
Shinichi Kurisu
Original Assignee
Toyo Aluminium Ekco Products Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyo Aluminium Ekco Products Co., Ltd. filed Critical Toyo Aluminium Ekco Products Co., Ltd.
Priority to CN2006800320840A priority Critical patent/CN101252898B/zh
Publication of WO2007026504A1 publication Critical patent/WO2007026504A1/fr

Links

Classifications

    • 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

Definitions

  • 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 easy icing as a body care method after sports.
  • a scented gel sheet in which a moisture-containing gel material is applied to a cloth has been proposed as a technique for absorbing heat by directly contacting the skin (see Japanese Laid-Open Patent Publication No. 1 1 1 2 4 6 3 9 7) .
  • a cooling body-worn device using an endothermic action and a compression action has been proposed (see Japanese Patent No. 2 0 0 1-8 0 80 0).
  • a cooling pack in which a coolant is processed into a bag shape has been proposed and used after exercise and in general households (Japanese Patent No. 3 5 7 4 4 9 6 (See the publication).
  • 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 expansion / contraction body that facilitates icing of an affected area and that does not easily peel off even if moved during icing. And Disclosure of the invention
  • the cooling and stretching body according to the first aspect of the present invention is a cooling and stretching body that is used by being attached to a site to be pasted such as the skin, and is endothermic by the evaporation of the water it holds.
  • the endothermic layer is a hydrous gel layer.
  • the cooling stretchable body according to the third aspect of the present invention is the invention according to the second aspect, wherein the first sheet body is made of a nonwoven fabric in which the fibers themselves are stretchable.
  • the cooling stretchable body according to the fourth aspect of the present invention is the one according to the second aspect or the third aspect of the invention, further comprising a second sheet formed on the entire other surface of the endothermic layer. It is.
  • the second sheet body is made of a nonwoven fabric.
  • a cooling stretchable body according to a sixth aspect of the present invention is the structure of the invention according to any one of the first to fifth aspects, wherein the adhesive layer contains a metal powder.
  • 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. It is a thing.
  • the cooling expansion / contraction body according to the first aspect of the present invention allows the entire cooling expansion / contraction body having the endothermic layer to expand and contract, so that the endothermic layer is held in close contact regardless of the shape of the part to be adhered. It becomes possible to do.
  • the first sheet is used as a taping material, the fixing effect by taping and the cooling effect of the endothermic layer are synergistically exhibited, and it becomes possible to reduce the inflammation of the adherend and effectively treat it. .
  • the endothermic layer is removed, the taping effect of the first sheet body will be maintained as it is, making it easy to use.
  • the cooling stretchable body according to the second aspect of the present invention can retain a large amount of water in addition to the effect of the invention according to the first aspect. It takes a long time to convert, and the duration of the endothermic effect becomes longer.
  • the cooling stretchable body according to the third aspect of the present invention allows the cooling stretchable body to expand and contract in either direction.
  • it is easy to apply and improves usability.
  • the nonwoven fabric itself has air permeability, vaporization of the heat absorption layer is promoted and cooling efficiency is improved.
  • the other surface of the water-containing gel layer is covered by the second sheet body.
  • the gel layer is not in direct contact with clothing, etc., improving usability.
  • the cooling stretchable body according to the fifth aspect of the present invention in addition to the effect of the invention according to the fourth aspect, ensures the air permeability of the second sheet body, and therefore does not hinder the vaporization of the hydrogel layer, It becomes possible to maintain the cooling effect ⁇
  • the cooling stretchable body according to the sixth aspect of the present invention increases the thermal conductivity of the adhesive layer. The effect is increased and the therapeutic effect is improved.
  • the cooling stretchable body according to the seventh aspect of the present invention separates from the first sheet body together with the endothermic layer when a force is applied in the direction of peeling the second sheet body. It is easy to remove the endothermic layer that is no longer needed, making it easy to use.
  • FIG. 1 is a perspective view showing a schematic shape of a cooling stretchable body according to the first embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view showing the manufacturing process of the cooling stretchable body shown in FIG. The best mode for carrying out the invention
  • FIG. 1 is a perspective view showing a schematic shape of a cooling stretchable body according to the first embodiment of the present invention.
  • the cooling expansion / contraction body 11 is configured around a sheet-like hydrogel layer 13.
  • the water-containing gel layer 13 is composed of, for example, a water-soluble polymer 10 to 40% by weight, a moisture content 50 to 80% by weight formed thereby, and an additive 10% by weight. It is comprised by the gel structure which consists of.
  • An elastic 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.
  • the first sheet body 14 is made of a material in which the fibers themselves such as polyester elastomer and urethane are stretchable. Accordingly, the first sheet body 14 is configured to be stretchable in all directions within the plane.
  • the lower surface of the first sheet member 1 4 adhesive layer 1 7 is formed at a coverage over the entire surface (before drying Weight) 8 0 ⁇ 1 5 0 gZm 2 .
  • the adhesive layer 17 is specifically composed of an acrylic adhesive containing 1 to 80% by weight of aluminum powder having an average particle size of 1 to 30 zm. Examples of metal powders other than aluminum powder include gold, platinum, silver, copper, and iron, but aluminum powder is preferred 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 the improvement of the cooling effect by the heat of vaporization of the hydrogel layer 13.
  • the release sheet 19 is formed on the entire lower surface of the adhesive layer 17, while the second sheet 16 is formed on the entire upper surface of the hydrated gel layer 13.
  • the second sheet body 16 is made of a stretchable nonwoven fabric having a basis weight of 20 to: L 0 0 g / m 2 .
  • This nonwoven fabric is made of rayon, for example. It is formed so that it can expand and contract in at least one direction in the plane. Then, by forming the second sheet body 16 over the entire upper surface of the hydrated gel layer 13, the function of protecting the surface of the hydrated gel layer 13 is exhibited. That is, when the cooling expansion / contraction body 11 is attached to the affected area, the first sheet body 14 is on the skin side, and the second sheet body 16 is on the clothing side. At this time, the second sheet 16 prevents the hydrated gel layer 13 from being destroyed by friction of clothes or the like.
  • the cooling stretchable body 11 is enclosed in a non-breathable bag or the like. This prevents vaporization of the water retained in the hydrogel layer 13.
  • the bag is broken, the cooling stretchable body 11 is taken out, and the release paper 19 is removed from the adhesive layer 17.
  • the adhesive layer 17 is attached so as to be in direct contact with the affected part to be iced.
  • the first sheet body 14 holding the adhesive layer 17 can be expanded and contracted in all directions within the plane as described above, so that the cooling expansion / contraction body 11 can be easily attached regardless of the site of the affected part. It can be pasted. At this time, if the adhesive layer 17 is stuck in an expanded state, the continuity is lost and the air permeability is also increased.
  • the heat of the affected area is transferred to the hydrogel layer 13 through the adhesive layer 17 and the first sheet body 14.
  • the adhesive layer 17 contains aluminum powder as described above, the heat conduction effect is improved as compared with the case where the adhesive layer 17 does not contain aluminum powder. Therefore, the body temperature of the affected area is efficiently transmitted to the hydrated gel layer 13 and promotes vaporization of the water retained 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.
  • the first sheet body 14 is breathable because of its structure. The warm air on the affected area reaches the hydrogel layer 13 and contributes to the vaporization of the hydrogel layer 13.
  • the second sheet 16 formed on the upper surface of the hydrous gel layer 1 3 is configured to be stretchable in at least one direction in the plane as described above. Thus, it is possible to easily follow the change in elongation at the time of application to the affected area. In addition, since the second sheet 16 itself has air permeability, there is no possibility of inhibiting the vaporization of the water retained in the hydrogel layer 13.
  • the cooling expansion / contraction body 11 by simply peeling off the release paper 19 and attaching the adhesive layer 17 directly to the affected area, the affected area can be easily eased. Even if you move it, you don't have to worry about peeling off. As a result, an effective icing effect can be expected.
  • the state in which the water held in the hydrogel layer 13 is completely vaporized will be described.
  • the cooling expansion / contraction body 11 no longer exhibits the cooling effect. Therefore, 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 through the adhesive layer 17 remains in the affected area. Since the first sheet body 14 has elasticity as described above, it exerts a taping effect on the affected part in that state. Normally, after the icing is completed, it is necessary to tap the affected area separately using a taping material. However, in the cooling expansion / contraction body 11 according to this embodiment, since only the water-containing gel layer 13 and the second sheet body 16 are removed, it is not necessary to perform a separate tape. It becomes.
  • 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 icing. .
  • hydrous gel The first sheet body 14 and the second sheet body so that the bonding force between the 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. 1 6 configuration (weight per unit area and material) is set.
  • FIG. 2 is a schematic sectional view showing a manufacturing process of the cooling expansion / contraction body shown in FIG.
  • 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 as shown in (2). To do.
  • the first sheet body 14 is installed on the outer surface of the adhesive layer 1 ⁇ . Further, a hydrogel layer 13 is formed on the entire outer surface of the first sheet body 14.
  • the water-containing gel layer 13 is added with a tackifier for exerting an adhesive effect.
  • a part of the hydrogel layer 13 enters from the surface of the first sheet body 14 and exhibits a predetermined bonding force.
  • This penetration amount works in inverse proportion 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.
  • the second sheet body 16 is placed on the entire outer surface of the hydrous gel layer 13. At this time, a part of the upper surface of the hydrogel layer 13 enters the lower surface of the second sheet 16 and exhibits a predetermined bonding force.
  • This joining force also varies depending on the basis weight of the second sheet body 16.
  • the bonding force of the hydrogel layer 13 to the second sheet body 16 is such that the hydrogel layer 13 is bonded to the first sheet body 14.
  • the first sheet body 14 and the second sheet body 16 are set so as to be larger than the joining force. Accordingly, when a force is applied to the second sheet body 16 in the peeling direction, the hydrated gel layer 13 is separated from the first sheet body 14 together with the second sheet body 16. In this way, it is possible to manufacture the cooling expansion / contraction body shown in FIG.
  • the hydrogel layer is used as the endothermic layer.
  • any other configuration may be used as long as it removes the heat of vaporization by vaporization of moisture.
  • a nonwoven fabric made of elastic fibers is used as the first sheet body.
  • an elastic rubber sheet or the like may be used instead. In this case, vent
  • the adhesive layer is applied to the entire lower surface of the first sheet body.
  • the adhesive layer may be applied in a lattice shape or an island shape in order to improve air permeability. .
  • the second sheet body uses a non-woven fabric different from the non-woven fabric of the first sheet body, but the same non-woven fabric as the non-woven fabric of the first sheet may be used. Needless to say.
  • the adhesive layer contains metal powder, but the metal powder is not necessarily required.
  • the bonding force between the first sheet body and the hydrogel layer is set to be smaller than the bonding force between the second sheet body and the hydrogel layer, but these may be the same or The reverse is also possible.
  • the cooling expansion / contraction body according to the present invention has a body case after sports. Suitable for sheeting directly on the skin for icing.

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Abstract

La présente invention concerne une feuille de refroidissement extensible (11) équipée d’une couche de gel aqueux (13) comprenant un polymère hydrosoluble et une grande quantité d'eau contenue dans le polymère, qui comprend la couche de gel aqueux (13), la première feuille (14) qui est faite d'une fibre extensible et placée sur le côté inférieur de la couche de gel (13) de façon à recouvrir la totalité du côté inférieur, une couche adhésive sensible à la pression (17) contenant de l'aluminium en poudre et un papier décollable (19), lesquels sont placés successivement sur le côté inférieur de la première feuille (14) de façon à recouvrir la totalité du côté inférieur, et la seconde feuille (16) qui est au moins extensible dans une seule direction et est placée sur le côté supérieur de la couche de gel aqueux (13) de façon à recouvrir la totalité du côté supérieur. Dans la pratique, le papier décollable (19) est décollé et la feuille résultante est appliquée directement sur une partie affectée avec la couche adhésive sensible à la pression (17) face à la partie affectée, moyennant quoi la feuille de refroidissement (11) peut adhérer de manière stable à une partie affectée et l'eau contenue dans la couche de gel aqueux (13) peut s'évaporer à travers les première et seconde feuilles (14, 16) de façon à créer un effet de refroidissement sur la partie affectée.
PCT/JP2006/315556 2005-08-30 2006-07-31 Feuille de refroidissement extensible WO2007026504A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2006800320840A CN101252898B (zh) 2005-08-30 2006-07-31 冷却伸缩体

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005-248616 2005-08-30
JP2005248616A JP4231500B2 (ja) 2005-08-30 2005-08-30 冷却伸縮体

Publications (1)

Publication Number Publication Date
WO2007026504A1 true WO2007026504A1 (fr) 2007-03-08

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ID=37808606

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/315556 WO2007026504A1 (fr) 2005-08-30 2006-07-31 Feuille de refroidissement extensible

Country Status (5)

Country Link
JP (1) JP4231500B2 (fr)
KR (1) KR100973510B1 (fr)
CN (1) CN101252898B (fr)
TW (1) TW200718407A (fr)
WO (1) WO2007026504A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012160496A1 (fr) * 2011-05-20 2012-11-29 Ishigaki Dhayan Dispositif de réduction d'œdème périorbitaire
EP3328330A4 (fr) * 2015-07-31 2019-03-13 Michael Riordan Manchon de cryothérapie et de compression et procédés d'utilisation

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5615622B2 (ja) * 2010-08-20 2014-10-29 明広商事株式会社 放熱パッド
TWI504420B (zh) * 2011-11-29 2015-10-21 Kang Na Hsiung Entpr Co Ltd Hydrogel Substrate and Manufacturing Method and Hydrogel Dressing
MX2016005211A (es) * 2013-10-21 2016-08-08 Advanced First Aid Res Pte Ltd Emplasto para quemadura en aerosol.
JP6309790B2 (ja) * 2014-03-11 2018-04-11 東洋アルミエコープロダクツ株式会社 整形外科用固定材
US11311412B2 (en) 2014-06-30 2022-04-26 Kao Corporation Adhesive sheet for cooling
KR101778294B1 (ko) * 2014-09-02 2017-09-13 손대업 흡열용 타월
CN109998777A (zh) * 2018-12-04 2019-07-12 向军 能减痛减疤的硫酸镁敷料贴
CN109820637A (zh) * 2019-03-04 2019-05-31 广州市华晟健康产业有限公司 一种具备长效保湿的功效性医用冷敷贴膜

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JPS63148321U (fr) * 1987-03-23 1988-09-29
JPH10192332A (ja) * 1997-01-13 1998-07-28 Kanae Kagawa:Kk 冷却シート
JPH10216169A (ja) * 1997-02-05 1998-08-18 Kanae Kagawa:Kk 冷感冷却シート
JP2002306529A (ja) * 2001-04-13 2002-10-22 Kineshio:Kk サポータ並びにサポータ固定具

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CN2126065U (zh) * 1992-05-21 1992-12-30 陈学堡 人体外敷式致冷器
JP3883154B2 (ja) * 1998-12-21 2007-02-21 ピジョン株式会社 冷却ゲルシート

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JPS63148321U (fr) * 1987-03-23 1988-09-29
JPH10192332A (ja) * 1997-01-13 1998-07-28 Kanae Kagawa:Kk 冷却シート
JPH10216169A (ja) * 1997-02-05 1998-08-18 Kanae Kagawa:Kk 冷感冷却シート
JP2002306529A (ja) * 2001-04-13 2002-10-22 Kineshio:Kk サポータ並びにサポータ固定具

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012160496A1 (fr) * 2011-05-20 2012-11-29 Ishigaki Dhayan Dispositif de réduction d'œdème périorbitaire
EP3328330A4 (fr) * 2015-07-31 2019-03-13 Michael Riordan Manchon de cryothérapie et de compression et procédés d'utilisation

Also Published As

Publication number Publication date
CN101252898A (zh) 2008-08-27
JP2007061226A (ja) 2007-03-15
KR20080040008A (ko) 2008-05-07
JP4231500B2 (ja) 2009-02-25
CN101252898B (zh) 2010-08-25
TW200718407A (en) 2007-05-16
KR100973510B1 (ko) 2010-08-03

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