WO2014002593A1 - Coussin - Google Patents

Coussin Download PDF

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Publication number
WO2014002593A1
WO2014002593A1 PCT/JP2013/061852 JP2013061852W WO2014002593A1 WO 2014002593 A1 WO2014002593 A1 WO 2014002593A1 JP 2013061852 W JP2013061852 W JP 2013061852W WO 2014002593 A1 WO2014002593 A1 WO 2014002593A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
main member
cushion
cushion according
buffer
Prior art date
Application number
PCT/JP2013/061852
Other languages
English (en)
Japanese (ja)
Inventor
高橋公子
村松宏
Original Assignee
原沢製薬工業株式会社
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 原沢製薬工業株式会社 filed Critical 原沢製薬工業株式会社
Publication of WO2014002593A1 publication Critical patent/WO2014002593A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
    • A61G7/05715—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with modular blocks, or inserts, with layers of different material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/22—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with both fibrous and foamed material inlays

Definitions

  • the present invention relates to a cushion. More specifically, the present invention relates to a cushion having an excellent effect in preventing skin disorders such as congestion and pressure ulcers.
  • the present invention provides a cushion that exhibits a particularly excellent effect in the prevention of skin disorders such as congestion and pressure ulcers, in which the dispersion of overload is better, the load on the skin can be further reduced. With the goal. It is another object of the present invention to provide a cushion that can be manufactured by an easier method than before, is easy to handle, and has wide applicability.
  • the cushion of the present invention comprises: A frame, A flexible main member provided in the frame of the frame, From the both sides of the main member to the frame body, each consisting of a plurality of cushioning members arranged side by side, The main member has a deformability that spreads at least to both sides when compressed in the downward direction under heavy load from above, When each buffer member receives deformation due to compression of the main member, each buffer member can move toward the frame, and the frame can be deformed outward.
  • At least one buffer member has a quadrangular prism shape and is inclined from the main member toward the frame.
  • the cross section of at least one buffer member is a quadrangular prism having a parallelogram shape.
  • the main member is preferably composed of a triangular prism, a quadrangular prism, or a pentagonal prism.
  • the cross section of the main member has a trapezoidal shape or a triangular shape.
  • a surface having a base of the triangle is an upper surface and a side having a vertex facing the base is provided downward.
  • each member of the cushion is constituted by a flexible member having a vertical fiber blending structure.
  • an elastic cloth is provided on at least one side surface of the at least one buffer member.
  • the frame body, the main member, and each buffer member are individually independent and can be removed or replaced.
  • the frame body, the main member, and each buffer member are connected by a connecting member.
  • a connection member is a hook-and-loop fastener.
  • the cushion is a congestion prevention or pressure ulcer prevention cushion.
  • the cushion is shaped so that the part that receives the most weight sinks, and the part where the soft tissue comes into contact is inward because the center sinks contrary to the force that the soft tissue tries to spread outward (especially left and right) Force directed. For this reason, the shearing force (displacement force) between the cushion and the skin also increases, which may cause skin disorders such as congestion or pressure sores.
  • the present inventors can move independently of the material deformation, that is, the deformation of the material in three axial directions (x, y, z) with respect to the cushion that has been focused on the evaluation of pressure reduction.
  • the material deformation that is, the deformation of the material in three axial directions (x, y, z) with respect to the cushion that has been focused on the evaluation of pressure reduction.
  • the main member when the main member hits the periphery of the sciatic bone or the sacrum when sitting down and is placed at a position (center of gravity) that receives the excessive weight, when the main member receives the excessive weight and is compressed up and down, it spreads horizontally and vertically.
  • the shape is deformed (triaxial deformability), and the force generated by this spread propagates to a plurality of buffer members arranged from the left and right of the main member to the frame, and these buffer members fall toward the frame.
  • an important feature is that the frame itself also has a configuration that spreads to the left and right (slightly spreads in the vertical direction due to the triaxial deformability of the main member). is there.
  • the terms up / down, left / right, and vertical are used.
  • the top / bottom corresponds to the vertical line (Z axis) and the left / right is horizontal.
  • the vertical direction (Y axis) corresponds to the horizontal direction (X axis) and the direction perpendicular to the Z axis, XY plane Corresponds to the seating plane of the cushion.
  • Each member of the present invention may have any shape as long as the above object is achieved.
  • the main member is a triangular prism or a quadrangular prism with a cross-section and is arranged so that its width narrows downward, it achieves the purpose of increasing the lateral extension due to overload, and adjacent to it. This is particularly preferable because the object of moving the buffer member disposed on the frame toward the frame can be achieved at the same time.
  • a plurality of buffer members are provided from the left and right side surfaces of the main member, and that each of the buffer members is provided as a quadrangular column so as to receive the spread of the main member from side to side and fall into the frame body like a domino.
  • the number of cushioning members provided on the left and right is appropriately set according to the shape, size, material, etc. of the frame, but it is preferable to provide three or more, more preferably about five on each of the left and right.
  • the cross section is configured as a quadrangular prism having a parallelogram, it is preferable because both the seating surface and the bottom surface can be maintained flat and can easily fall down toward the frame.
  • the buffer member in contact with the frame may be a triangular prism instead of a quadrangular prism as a result.
  • the frame body is not particularly limited as long as it has a frame shape that receives the main member and the buffer member. However, a square or rectangular shape in plan view (viewed from above) is preferable because it is easy to manufacture as in the examples described later. In addition, in this invention, it is not the meaning which excludes arrange
  • the cushion of the present invention is a flexible member having triaxial deformability
  • various cushion materials such as a urethane material and a sponge material can be used as a material.
  • a material sold as V-lap (registered trademark) by Teijin Fibers Limited is most suitable.
  • This material is a non-woven fabric that combines a structure in which fibers are uniformly arranged in the thickness direction (vertical direction) and raw cotton with high functionality, and has high pressure dispersibility and is more flexible and flexible than conventional non-woven fabrics. It is also excellent in properties.
  • the frame, the main member, and the cushioning member By using the same material for the frame, the main member, and the cushioning member, it is possible to feel a sense of unity when sitting, and it is possible to make up by cutting and cutting from a single sheet. It is also ideal for making softer cushions with superior pressure reduction and right and left pressure diffusion. In addition, it is preferable to use a separate material for each member because the labor for material procurement and the cost for the material are not required.
  • the optimal size of the main member and the buffer member, the number of the buffer members, etc. may vary depending on the individual, but this configuration of the present invention. According to the report, it is easy to customize, and it is more effective for those who need to prevent congestion and pressure ulcers.
  • At least one side surface of the at least one buffer member is provided with an elastic fabric (an elastic fabric having a small friction coefficient) that reduces friction compared to the contact between the buffer members. This is to make each other slippery and to cause large movement and pressure diffusion.
  • an elastic fabric an elastic fabric having a small friction coefficient
  • various known fabrics such as polyester fabric can be used, and can be bonded by a known means such as hot melt.
  • Each member may be integrally formed (for example, the bottom surface is connected, etc.) as long as the above-described purpose is achieved.
  • the frame body, the main member, and each buffer member are independent of each other. It is preferred that each can be removed or replaced. This is because it is easy to apply pressure so that only damaged or dirty members can be replaced.
  • the members are connected to each other using a hook-and-loop fastener near the frame (near the edge), even if the cushion is lifted, the members are prevented from falling and the force is propagated while improving the adhesion to some extent. This is preferable because it can be maintained.
  • this is not intended to exclude other means, such as providing a flat bottom member on the bottom, or storing it in a cover having stretchability, breathability, water repellency, waterproofness, and the like.
  • the dispersion of overload is better, the load on the skin can be further reduced, and a particularly excellent effect can be exhibited in the prevention of skin disorders such as congestion and pressure ulcers. . Furthermore, it is possible to provide a cushion that can be manufactured by an easier method than before and has a wide handling applicability.
  • FIG. 1 is a view showing a cushion 1 of the present invention.
  • a triangular prism main member 4 is arranged in the center of the inside of the frame 2, and a plurality of quadrangular columnar buffer members 5 having a parallelogram cross section are arranged on the left and right sides of the triangular prism main member 4.
  • the buffer member 3 that is farthest from the main member 4 and is in contact with the frame 2 has a triangular prism shape (see FIG. 3). If the subject is a general adult, the width of the main member 4 and the buffer member 5 in FIG. 1 is about several centimeters to 30 cm, and the width of the main member 4 is wider than that of the buffer member 5.
  • the cushion 1 of the present invention is originally composed of a single sheet, a plurality of layers of sheets of the same material or different materials may be stacked and compressed and heated to result in a single sheet.
  • the material in this embodiment uses V-lap (registered trademark).
  • FIG. 2 is a view showing the frame 2 of the cushion 1 of the present invention.
  • the frame body 2 can be manufactured, for example, by cutting out from a single sheet-like flexible member.
  • various known methods such as cutting with a blade or punching can be used.
  • FIG. 3 is a view showing the cut main member 4 and the buffer members 3 and 5, and can be formed by cutting the cut sheet-like flexible member described above.
  • the hollow sheet-like flexible member includes a triangular prism-shaped main member 4, a triangular prism-shaped buffer member 3, and a plurality of quadrangular prism-shaped buffer members 5 having a parallelogram cross section disposed therebetween. Shows the state of being cut.
  • FIG. 4 is a view showing the left half cushioning member as viewed from the direction of FIG. 3 (the right half is omitted because it is symmetrical with the left half).
  • a stretchable cloth 6 having a small coefficient of friction is bonded to one side of each of the members 3, 4, and 5, and a pair of hook-and-loop fasteners 7 are adhered to the vicinity of the ends close to the frame 2.
  • the inner triangular triangular main member 4, the plurality of square columnar buffer members 5, and the triangular columnar buffer members 3 arranged so as to contact the left and right sides of the inner side of the frame 2 are bonded to each other to form the frame 2.
  • the members 3, 4, and 5 can be stored without being separated, and they will not fall even when stored and lifted.
  • a cover can be provided, or a support flat member can be provided on the bottom.
  • the main member 4 Since the main member 4 is arranged at the center, it receives the most weight when a human is sitting. And the main member 4 which received overload is compressed and spreads toward the outer side. Under the force of the spread, the plurality of square pillar-shaped buffer members 5 and 3 spread so as to fall down toward the frame, and finally the frame 2 also spreads left and right (and vertically). At this time, because the cross section of the buffer member 5 is a parallelogram, it is easy to move to the left and right, while the flatness of the seating surface is maintained to a considerable extent, and the seating comfort is hardly adversely affected. In addition, a part of the soft tissue around the center of gravity of the buttocks such as the greater gluteal muscle is overloaded with respect to some of the right and left buffer members 5. Then, along with the spread of the soft tissue to the outside (particularly to the left and right), the buffer member 5 also spreads outward together, and pressure distribution can be performed while reducing the displacement force applied to the skin.
  • FIG. 5 is a data diagram showing a seating surface pressure when the cushion of the present invention is not used
  • FIG. 6 is a data diagram showing a seating surface pressure when the cushion of the present invention is used. Comparing FIG. 5 and FIG. 6, it can be seen that the pressure is clearly distributed and the burden is reduced when the present invention is used.
  • the body weight of this test subject was 85 kg, and the contact pressure in the wheelchair sitting position was measured with a mapping device.
  • the maximum pressure was 110 mmHg when the cushion was used, and 200 mmHg when the cushion was not used.
  • SD standard deviation
  • the present invention is lightweight, has good air permeability, is triaxially deformable and has high pressure diffusibility, reduces the burden on the skin, and prevents skin disorders such as congestion and pressure ulcers.
  • An optimal cushion can be provided. Furthermore, since each member is used in combination, it is possible to partially replace each member, and it becomes easy to produce a custom-made cushion according to the weight deviation and body surface shape.

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

La présente invention vise à fournir un coussin, dans lequel une surcharge est dispersée de façon plus satisfaisante et qui est hautement efficace en particulier dans la prévention de troubles cutanées comprenant une congestion et une escarre de cubitus ; et à fournir un coussin qui peut être produit par un procédé plus simple que les coussins classiques et qui est facile à manipuler et est applicable à grande échelle. A cet effet, l'invention concerne un coussin, qui comprend un cadre, un élément principal disposé à l'intérieur du cadre et ayant une certaine flexibilité, et une pluralité d'éléments de coussinage agencés côte à côte de chaque partie latérale de l'élément principal au cadre, l'élément principal ayant une telle capacité de déformation que, lors de la réception d'une surcharge provenant du dessus et d'une compression vers le bas, l'élément de base est poussé au moins vers ses deux parties latérales, les éléments de coussinage peuvent chacun se déplacer vers le cadre lors de la réception de la déformation de l'élément principal causée par une compression, et le cadre peut se déformer vers l'extérieur.
PCT/JP2013/061852 2012-06-29 2013-04-23 Coussin WO2014002593A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-146757 2012-06-29
JP2012146757A JP5904584B2 (ja) 2012-06-29 2012-06-29 クッション

Publications (1)

Publication Number Publication Date
WO2014002593A1 true WO2014002593A1 (fr) 2014-01-03

Family

ID=49782769

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/061852 WO2014002593A1 (fr) 2012-06-29 2013-04-23 Coussin

Country Status (2)

Country Link
JP (1) JP5904584B2 (fr)
WO (1) WO2014002593A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6275745U (fr) * 1985-10-31 1987-05-15
JPS631523U (fr) * 1986-06-20 1988-01-07
JPS6322920U (fr) * 1986-07-29 1988-02-15
JP2004016244A (ja) * 2002-06-12 2004-01-22 San Chem Kk ふとん芯材
JP2005230134A (ja) * 2004-02-18 2005-09-02 Medeikomu Toy:Kk クッション座布団

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6275745U (fr) * 1985-10-31 1987-05-15
JPS631523U (fr) * 1986-06-20 1988-01-07
JPS6322920U (fr) * 1986-07-29 1988-02-15
JP2004016244A (ja) * 2002-06-12 2004-01-22 San Chem Kk ふとん芯材
JP2005230134A (ja) * 2004-02-18 2005-09-02 Medeikomu Toy:Kk クッション座布団

Also Published As

Publication number Publication date
JP2014008211A (ja) 2014-01-20
JP5904584B2 (ja) 2016-04-13

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