EP0495152A2 - Insert pour chaussures pour accommoder les pieds sensibles - Google Patents

Insert pour chaussures pour accommoder les pieds sensibles Download PDF

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Publication number
EP0495152A2
EP0495152A2 EP91108807A EP91108807A EP0495152A2 EP 0495152 A2 EP0495152 A2 EP 0495152A2 EP 91108807 A EP91108807 A EP 91108807A EP 91108807 A EP91108807 A EP 91108807A EP 0495152 A2 EP0495152 A2 EP 0495152A2
Authority
EP
European Patent Office
Prior art keywords
shoe insert
layer
insert according
foot
core 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.)
Withdrawn
Application number
EP91108807A
Other languages
German (de)
English (en)
Other versions
EP0495152A3 (en
Inventor
Jan Prahl
Jean-Paul Comtesse
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IPOS GmbH and Co KG
Original Assignee
IPOS GmbH and Co KG
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 IPOS GmbH and Co KG filed Critical IPOS GmbH and Co KG
Publication of EP0495152A2 publication Critical patent/EP0495152A2/fr
Publication of EP0495152A3 publication Critical patent/EP0495152A3/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/14—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined made of sponge, rubber, or plastic materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1455—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
    • A43B7/147—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties for sick or disabled persons, e.g. persons having osteoarthritis or diabetes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/28—Adapting the inner sole or the side of the upper of the shoe to the sole of the foot

Definitions

  • the invention relates to a therapy shoe insert, for example for the bedding of stress-sensitive feet according to the preamble of claim 1.
  • Such shoe insoles come in particular for the therapy in the case of disorders of the foot statics, for the treatment of venous insufficiency in the leg area or for the bedding of stress-sensitive feet, for example in the area orthopedics for the compensation of malformations of the foot apparatus or for the targeted support of the foot of a sick or disabled person in the rolling phase of the foot.
  • Therapy shoe insoles are also required for foot bedding for diabetics with foot damage, where it is important not only to use the shoe insert to remove pain-causing pressure zones, but also to support the musculoskeletal system and blood circulation by functionally supplementing the weakened muscles.
  • a conventional shoe insert which could be adapted in an optimal way to the particular clinical picture of the foot, was equipped with a relatively rigid scaffold, which was primarily intended to give the foot great support. Apart from the fact that such a shoe insert had to be renewed at short intervals in order to adapt to the changing footbed, such a shoe insert is not suitable for the therapy of diabetic feet that have changed in terms of disease.
  • the diabetes foot regularly tends to hammer and claw toes. This causes the foot to curl when inserted into the shoe when using conventional orthopedic shoe inserts, which creates extremely unfavorable stress situations that are very painful.
  • This conventional shoe insert in particular does not take into account the muscular atrophy in the area of the toe-universal joints, which is often pronounced in diabetic foot and which is used to absorb the rolling load when walking.
  • the invention is therefore based on the object of a therapy shoe insert, in particular for therapy in the case of disorders of the foot statics, for the treatment of venous insufficiency in the leg area and for the bedding of stress-sensitive feet, such as, for. B. for bedding a diabetes foot to create, which not only has an excellent therapeutic effect for the above-mentioned areas of application, but is also constructed so that it is accepted by a large range of patients with economic manufacturability.
  • This object is achieved by the features of claim 1.
  • a simply constructed shoe insert is created, the deformation behavior of which is determined by the core layer so that the shoe insert acts like a pressure pump on the venous circulation with each step.
  • the deep veins of the calf are thereby filled up to the maximum capacity and then emptied again by the muscle pressure of the calf, whereby the blood is pushed upwards.
  • Due to the homogeneous elastic footbed the blood return transport values increased by 60 to 70% in trials which could even exceed the effect of rubber stockings and bandages.
  • the main advantage of the invention is to be seen in the fact that the shoe insert by everyone, such. B. can also be worn by fashion-conscious, younger patients without hesitation, especially since it has been shown that the shoe insert showed the advantageous effects described above even with very small insert thicknesses.
  • the structure of the shoe insert according to the invention is suitable for an economical production of corrective insoles for the targeted phlebological treatment by suitable adjustment of the elastomer core layer density or the degree of hardness of this layer.
  • the shoe insert according to the invention it is also possible to provide a particularly advantageous product for the bedding of stress-sensitive feet, in particular for the bedding of feet for diabetics with foot damage.
  • the more or less pronounced muscle atrophy in the area of the basic toe joints of the diabetes foot is not only largely compensated for by the therapy shoe insert according to the invention.
  • the shoe insert can be designed with or without an additional sole-side support layer that differs materially from the elastomer core layer. If the support layer is omitted, however, it is advantageous to increase the thickness of the elastomer core layer, for example by 2 mm, in order to further improve the elastic rebound.
  • a further support layer on the sole side is used, a large-area support for the elastomer core layer is created, the material properties of which with regard to an optimal, i.e. highly elastic support of the foot can be selected.
  • a relief adapted to the individual requirements of the insole wearer is preferably incorporated or molded into the underside of the sole-side layer, preferably a separate support layer.
  • the relief on the sole side forming the recesses or receptacles can be selected independently of the elastic setting of the elastomer core layer.
  • the elasticity of the shoe insert can be specifically influenced or pressure-sensitive areas of the foot can be relieved precisely.
  • the top cover layer in the form of the smooth fiber structure provides so little resistance even to the bare foot when inserted into the shoe that misalignment of the toes does not occur even if the foot is prone to hammer or claw toes. Due to the continuous layer structure of the shoe insert, the advantages shown above can be realized with a very simple and therefore inexpensive manufacturing process.
  • the shoe insert is suitable for mass production.
  • a separate support layer is omitted (claim 7), it is advantageous to increase the thickness of the elastomer core layer somewhat, for example, to make it about 2 mm thicker than with a separate support layer on the sole side. In this case, it is also advantageous to set the plastic of the elastomer core layer slightly harder, for example to 8 ° Shore A. With this setting it is also possible to adjust the layer on the sole, i.e. to provide the underside of the shoe insert with a relief adapted to the individual requirements of the insert wearer.
  • the deformation behavior can also be controlled by the connection technology between the support layer on the sole side and the elastomer core layer.
  • the support layer is preferably vulcanized onto the core layer, as a result of which a highly resilient and durable connection is created.
  • the contact surfaces between the support layer on the sole side and the elastomer core layer lying above are preferably planar, as a result of which the production process can be further simplified.
  • Another way of controlling the deformation behavior of the shoe insert is to shape the top of the elastomer core layer in relief in such a way that it largely matches the shape of the foot.
  • this design can be used to influence the required flexibility in certain areas of the foot.
  • 2 denotes a shoe insert which essentially has the outer contour of a shoe sole.
  • the shoe insert is used to bed stress-sensitive feet, such as. B. for the footbed of diabetes feet, which often suffer from muscle atrophy due to disturbed capillary blood flow.
  • the shoe insert is constructed in three layers.
  • the shoe insert essentially consists of a central elastomer core layer 4, the elastomer being set as soft as possible.
  • the elastomer is selected from the group of addition-crosslinking silicone rubbers, the elastomer being adjusted so that a quasi-gel-like deformation behavior is provided.
  • the Schore A hardness is preferably in the range between 1 and 10 °, for example 1 °.
  • the base layer of the elastomer core layer is provided with a flat surface 6, while on the upper side it bears a relief structure 8, which is evident from the cuts according to FIGS. 2 and 3. This relief structure 8 is preferably chosen so that it is largely adapted to the natural footbed.
  • the elastomer core layer is connected via the flat surface 6 to a plate-like support layer 10 made of flexible and pressure-resistant material, which also has the property of being subjected to post-processing, for example in the grinding process.
  • a plate-like support layer 10 made of flexible and pressure-resistant material, which also has the property of being subjected to post-processing, for example in the grinding process.
  • so-called flexo cork is used as the material for the support layer, which is applied to the elastomer core layer 4 via a vulcanization layer 12.
  • the thickness D of the flexocork sheet 10 ' is in the range between 1.5 and 3 mm.
  • the thickness S of the elastomer core layer 4 differs over the length of the shoe insert 2 and is, for example, between 1.5 mm in the area of the ball of the foot and up to 15 mm in the area of the heel.
  • the elastomer core layer is covered upwards by a thin cover layer 14 made of a synthetic fiber material, such as. B. a nylon-containing textile, which is available under the name "Lycra" on the market. This is a chemical silk with the one on the top a very slippery surface is provided.
  • the cover layer 14 is preferably designed as a fabric or as a textile, which conforms particularly well to the relief structure 8 and does not apply relatively much.
  • 16 denotes an adhesive layer, via which there is a connection between the elastomer core layer 4 and the cover layer 14.
  • incorporations designated 18 can be seen, which are produced, for example, by grinding the support layer 10.
  • the orthopedic surgeon carries out this grinding process in order to adapt the shoe insert or footbed to the individual boundary conditions of the wearer of the insert.
  • pressure-sensitive areas on the diseased foot can be relieved precisely, in that the deformation behavior is influenced selectively or over a wide area in the interaction between the support layer 10 and the elastomer core layer 4.
  • the advantages of the footbed according to the invention lie in particular in the fact that, with a simple construction, the very smooth covering layer 14 makes it very easy to insert the sick foot into the shoe. For this reason, the footbed is particularly suitable for the therapeutic treatment of diabetes feet that tend to have hammer and claw toes.
  • the very soft elastomer elastically complements the muscle atrophy that often arises due to disturbed capillary blood flow, which is particularly important in the area of the basic toe joints, since this is where the crucial processes for trouble-free rolling of the foot take place.
  • the elasticity on the sole side 18 allows the elasticity to be controlled in a targeted manner in order to provide elastic support to the load-sensitive foot, particularly where this is of particular importance with regard to pressure sensitivity and the required movement pattern.
  • shoe insert with a three-layer structure An exemplary embodiment of the shoe insert with a three-layer structure has been described above, this shoe insert being particularly suitable for bedding load-sensitive feet, in particular for foot bedding for diabetics with foot damage, but also for treating venous insufficiency symptoms and vein dysfunction.
  • FIG. 1 Another variant of the shoe insert, the production of which is additionally simplified and nevertheless fulfills the therapy functions described above for compensating for disturbances in the statics of the foot and / or leg anatomy, is shown schematically in FIG.
  • FIG. 5 differs from the embodiment according to FIGS. 1 to 4 in that a separate support layer 10 has been omitted.
  • the elastomer core layer 104 which is connected to the cover layer 114 via the adhesive layer 116, has a correspondingly increased thickness S * .
  • the thickness or the thickness of the elastomer core layer 104 is increased by approximately 2 mm.
  • indentations 118 can still be provided at individually adapted or predetermined locations in order to adapt the elastic deformation behavior to the respective therapy program.
  • it is advantageous to slightly increase the hardness of the elastomer core layer 104 preferably in the range of approximately 8 ° Shore A hardness.
  • the insole according to the variant according to FIG. 5 can also be provided on the upper side with a relief structure, preferably in the area of the heel with a larger depression, the position and the dimension of the depression advantageously depending on the extent of the deformities of the foot anatomy and / or the degree is adapted to venous insufficiency.
  • the invention thus creates a therapy shoe insert, in particular for therapy in the case of disorders of the foot statics, for the treatment of venous insufficiency in the leg area or for bedding stress-sensitive feet, in particular for foot bedding for diabetics with foot damage.
  • the shoe insoles have a multi-layer structure with a highly elastic, as soft as possible, elastomer core layer and a thin, top layer in the form of a smooth fiber structure.
  • a separate support layer made of flexible, workable and pressure-resistant material can be provided on the sole side.
  • the therapy shoe insert is characterized by an effective support of the back circulation on the one hand and on the other hand by the fact that it supports the foot apparatus in an economically producible manner in a way that is optimally adapted to the individual needs so that stressful situations that are as normal and therefore painless as possible occur when walking , even if the foot already suffers from advanced muscular atrophy in the area of the basic toe joints due to disturbed capillary blood flow.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Diabetes (AREA)
  • Rheumatology (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP19910108807 1991-01-12 1991-05-29 Shoe insert for cushioning sensitive feet Withdrawn EP0495152A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9100326U DE9100326U1 (de) 1991-01-12 1991-01-12 Schuheinlage zur Bettung von belastungssensiblen Füßen
DE9100326U 1991-01-12

Publications (2)

Publication Number Publication Date
EP0495152A2 true EP0495152A2 (fr) 1992-07-22
EP0495152A3 EP0495152A3 (en) 1992-09-30

Family

ID=6863285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910108807 Withdrawn EP0495152A3 (en) 1991-01-12 1991-05-29 Shoe insert for cushioning sensitive feet

Country Status (3)

Country Link
US (1) US5359791A (fr)
EP (1) EP0495152A3 (fr)
DE (1) DE9100326U1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1245167A1 (fr) * 2001-03-26 2002-10-02 Vitaflex Dr. Walter Mauch GmbH Semelle intérieure pour chaussure
EP1266947A1 (fr) * 2001-06-15 2002-12-18 Thuasne Procédé de fabrication d'une pièce orthopédique à base d'élastomère de silicone et pièce orthopédique obtenue
EP1602294A1 (fr) * 2004-06-02 2005-12-07 Spannrit Schuhkomponenten GmbH Semelle intérieure en polyuréthane et procédé de fabrication
DE202009007240U1 (de) 2009-05-20 2009-08-13 Mauch, Margit Innensohle, wie Einlegesohle, Fußbett oder feste Sohle für Schuhwerke, wie Schuhe, Stiefel, Sandalen, Turn-, Basketball-, Jogging-, Lauf-, Renn-, Segler-, Arbeitsschuhe o.dgl.
US7774883B2 (en) 2003-09-16 2010-08-17 Barak Yahoshua Orthopedic insoles for protecting the metatarsal heads of the forefoot
CN113002006A (zh) * 2021-04-06 2021-06-22 上海超足科技有限公司 一种定制矫形鞋垫加工设备及其加工工艺

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DE4439088A1 (de) * 1994-11-02 1996-05-09 Thaemert Orthopaedische Hilfsmittel Gmbh & Co Kg Pelotte
EP0717941A2 (fr) * 1994-12-21 1996-06-26 IPOS GMBH & CO. KG. Semelle orthopédique
DE19529245A1 (de) * 1995-08-09 1997-02-13 Kock Hans Juergen Dr Med Fußsohleneinlage zur physikalischen Thromboseprophylaxe und Förderung der Abschwellung in der Medizin
US5678566A (en) * 1995-09-13 1997-10-21 Diagnostic Thermographics, Inc. Method and apparatus of thermographic evaluation of the plantar surface of feet
DE19610981C1 (de) * 1996-03-20 1997-07-03 Matthias Comanns Fußbettung
DE29616861U1 (de) * 1996-09-27 1998-01-29 Kunststoffverarbeitung Wilhelm GmbH, 66981 Münchweiler Innensohle für Schuhe
US6315786B1 (en) * 1999-07-20 2001-11-13 Partnership Of Arthur H. Smuckler, James Grimes, Niko Efstathiou And Charles A. Sarris Device for treating heel pain
US7264604B1 (en) 2000-10-20 2007-09-04 3M Innovative Properties Company Curable off-loading footwear and methods
USD489521S1 (en) 2001-07-11 2004-05-11 Knit-Rite, Inc. Balance stabilizing foot orthotic
US6854199B2 (en) * 2001-09-28 2005-02-15 Joseph Paul Polifroni Layered arch support
US6817115B2 (en) * 2001-09-28 2004-11-16 Joseph Paul Polifroni Textured arch support device and method of manufacture
US6557273B2 (en) 2001-09-28 2003-05-06 Joseph Paul Polifroni Layered arch support and method of manufacture
US6792699B2 (en) * 2002-09-09 2004-09-21 Royce Medical Company Low shear customized footgear
US7210250B2 (en) * 2005-06-07 2007-05-01 Gallegos Alvaro Z Multipiece footwear insole
US20090031583A1 (en) * 2007-08-03 2009-02-05 Schering-Plough Healthcare Products, Inc. Foot Support For Alleviating Knee Pain
WO2009139893A1 (fr) 2008-05-15 2009-11-19 Ossur Hf Ambulateur périphérique
US8758272B2 (en) 2010-07-09 2014-06-24 University Of Utah Research Foundation Systems, devices, and methods for monitoring an under foot load profile of a tibial fracture patient during a period of partial weight bearing
US8758273B2 (en) * 2010-07-09 2014-06-24 The University Of Utah Research Foundation Systems, devices, and methods for monitoring an under foot load profile of a patient during a period of partial weight bearing
US10595748B2 (en) 2010-07-09 2020-03-24 The University Of Utah Research Foundation Systems, devices, and methods for providing foot loading feedback to patients and physicians during a period of partial weight bearing
US20130031809A1 (en) * 2011-08-05 2013-02-07 Roses & Rye LLC Shoe having improved podiatric support
KR101127039B1 (ko) * 2011-09-29 2012-03-26 오성관 신발 및 이의 제조 방법
US9750303B2 (en) 2013-03-15 2017-09-05 New Balance Athletics, Inc. Cambered sole
DE202013103808U1 (de) * 2013-08-22 2013-11-15 Christian Lenthe Vorfußpolster, Computerprogrammprodukt für die individuelle Anfertigung des Vorfußpolsters
EP3046435B1 (fr) 2013-09-18 2020-04-15 Ossur Iceland EHF Semelle pour un dispositif orthopédique
US9839550B2 (en) 2013-09-25 2017-12-12 Ossur Hf Orthopedic device
US9668907B2 (en) 2013-09-25 2017-06-06 Ossur Iceland Ehf Orthopedic device
US9839548B2 (en) 2013-09-25 2017-12-12 Ossur Iceland Ehf Orthopedic device
US9839549B2 (en) 2013-09-25 2017-12-12 Ossur Iceland Ehf Orthopedic device
WO2015089261A1 (fr) 2013-12-12 2015-06-18 Ossur Hf Semelle exterieure pour dispositif orthopedique
USD742017S1 (en) 2014-03-27 2015-10-27 Ossur Hf Shell for an orthopedic device
US20160073726A1 (en) * 2014-09-13 2016-03-17 Yu-Te Wu Foot supporting structure of a cycling shoe with improved ergonomics
US9635904B2 (en) * 2015-01-14 2017-05-02 Superfeet Worldwide, Inc. Insoles for footwear
US10391211B2 (en) 2015-01-26 2019-08-27 Ossur Iceland Ehf Negative pressure wound therapy orthopedic device
US12156825B2 (en) 2018-02-02 2024-12-03 Ossur Iceland Ehf Orthopedic walker
EP4247308B1 (fr) 2020-11-19 2025-12-24 Ossur Iceland Ehf Déambulateur orthopédique
US12336591B1 (en) 2024-01-29 2025-06-24 Guntersville Breathables, Inc. Outsole having cork overlay and method of making same

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1245167A1 (fr) * 2001-03-26 2002-10-02 Vitaflex Dr. Walter Mauch GmbH Semelle intérieure pour chaussure
WO2002076255A1 (fr) * 2001-03-26 2002-10-03 Vitaflex Dr. Walter Mauch Gmbh Semelle interieure pour chaussures
RU2286703C2 (ru) * 2001-03-26 2006-11-10 Витафлекс Др. Вальтер Маух Гмбх Внутренняя подошва для обуви
EP1266947A1 (fr) * 2001-06-15 2002-12-18 Thuasne Procédé de fabrication d'une pièce orthopédique à base d'élastomère de silicone et pièce orthopédique obtenue
US7774883B2 (en) 2003-09-16 2010-08-17 Barak Yahoshua Orthopedic insoles for protecting the metatarsal heads of the forefoot
EP1602294A1 (fr) * 2004-06-02 2005-12-07 Spannrit Schuhkomponenten GmbH Semelle intérieure en polyuréthane et procédé de fabrication
DE202009007240U1 (de) 2009-05-20 2009-08-13 Mauch, Margit Innensohle, wie Einlegesohle, Fußbett oder feste Sohle für Schuhwerke, wie Schuhe, Stiefel, Sandalen, Turn-, Basketball-, Jogging-, Lauf-, Renn-, Segler-, Arbeitsschuhe o.dgl.
CN113002006A (zh) * 2021-04-06 2021-06-22 上海超足科技有限公司 一种定制矫形鞋垫加工设备及其加工工艺

Also Published As

Publication number Publication date
US5359791A (en) 1994-11-01
DE9100326U1 (de) 1991-06-13
EP0495152A3 (en) 1992-09-30

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