EP2381809B1 - Orthopedic module - Google Patents
Orthopedic module Download PDFInfo
- Publication number
- EP2381809B1 EP2381809B1 EP10704385.3A EP10704385A EP2381809B1 EP 2381809 B1 EP2381809 B1 EP 2381809B1 EP 10704385 A EP10704385 A EP 10704385A EP 2381809 B1 EP2381809 B1 EP 2381809B1
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- EP
- European Patent Office
- Prior art keywords
- shell
- anterior
- module according
- edge
- situated
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- 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.)
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Classifications
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- 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
- A43B13/026—Composites, e.g. carbon fibre or aramid fibre; the sole, one or more sole layers or sole part being made of a composite
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- 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
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- 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
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- 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
- A43B7/1415—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 characterised by the location under the foot
- A43B7/144—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 characterised by the location under the foot situated under the heel, i.e. the calcaneus bone
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- 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
- A43B7/22—Footwear with health or hygienic arrangements with foot-supporting parts with fixed flat-foot insertions, metatarsal supports, ankle flaps or the like
- A43B7/223—Footwear with health or hygienic arrangements with foot-supporting parts with fixed flat-foot insertions, metatarsal supports, ankle flaps or the like characterised by the constructive form
Definitions
- the present invention relates to a module for the realization of podological orthoses or comfort, including orthopedic insoles.
- Orthopedic insoles or plantar orthoses are used as foot support in a shoe, they are removable by being placed inside a shoe or sport shoe.
- the orthopedic insoles are generally intended to compensate for deformation of the sole of the foot, to cushion shocks during walking or running, to discharge the zones of the supports subjected to very high stresses, and even to ensure comfort by preventing the appearance of pain related to the shape of the shoe.
- the orthopedic insoles or orthoses must be adapted to the anatomy of the foot, they can be of the mechanical type being made by an assembly of elements of different heights, in materials of different density or they can be made by molding on the basis of thermoformable elements.
- the module comprises a base intended to come into contact with the insole of the shoe, a rigid or semi-rigid shell for providing support to the orthopedic sole and an upper covering for isolating the foot of the shell.
- the support shell has a rear contour located in the vicinity of that of the base and a front contour having a V-shaped cut, the branches of the V extending to the base of the end metatarsals.
- This solution certainly provides a difference in tarsal-metatarsal density with the effect of improved stability of the foot, but, due to its mechanical characteristics which are due to its material and its thickness, it does not ensure sufficient support and support of the arch. It should be noted that the thickness of this shell has been limited to avoid the sensations of discomfort due to the contact of its tangential edges with the foot of the user.
- the document is also known WO 2005/058085 which describes an individualized multilayer structure sole having, from the top: a first layer of fabric, a second layer of cushioning material, a third layer of a nonwoven material, a fourth layer of resin extending from the heel to to the toes, a fifth layer of resin located in the area of the heel and provided with a pad of a shock-absorbing material.
- the sole thus produced provides, of course, a better support of the heel, but at the cost of insufficient support of the arch, this on the one hand because the fourth layer of resin has a contour of convex shape without any possibility of lateral support of the foot and, secondly, that the fifth layer of resin surrounds the calcaneus.
- this sole is likely to cause discomfort during the flexing of the toes, because the fourth resin layer extends to the level of the latter.
- Another disadvantage is an increased difficulty in shaping such a sole resin, this material can not be subjected to finishing work by sanding. The addition of an additional layer allowing its shaping would lead to obtain a sole too thick and limit its use.
- the purpose of the present invention is to overcome the aforementioned drawbacks and to provide an orthopedic module of the type that can be used to obtain by thermoforming an orthopedic insole that is able to ensure good support of the arch and at the same time to stabilize the foot during the movement of the carrier of said sole.
- Another object of the invention is to provide an orthopedic module capable of ensuring a good support of the foot and at the same time a good comfort during walking or running, or even to relieve some painful support while being a clutter reduced.
- Another object of the invention is to provide an orthopedic module capable of ensuring a good support of the foot with a good distribution of the supports, while being easily made by thermoforming so as to simplify the process of producing a sole comprising , avoiding to go through tedious recovery or shaping operations, for a lower cost of manufacture.
- the orthopedic module of the invention comprises a multilayer complex, including a rigid or semi-rigid shell which, by its shape and dimensions provides a first support of the arch, and an upper covering to protect the foot from to said shell.
- This multilayer complex is intended to produce an orthopedic insole by a thermoforming process, where the generic term orthopedic insole is used to indicate a plantar orthosis or a sole of comfort.
- a second rigid or semi-rigid shell is added adjacent said first shell.
- second shell disposed adjacent to the first, it is understood that said second shell bears against said first shell, being able to be arranged above or below the latter. This makes it possible to adjust the mechanical strength and the flexibility of the assembly, the values of these parameters being determined by the characteristics of the shell material and its thickness.
- several such rigid or semi-rigid shells can be added to the structure of the module so as to adapt the module to the size, the weight of the wearer, or even to the physical activity exerted.
- the different shells can have varying thicknesses, which allows to multiply the combinations and thus obtain a greater range of rigidity values.
- their shapes and dimensions are chosen so that the contours of the various successive hulls are set back relative to each other. progressive.
- such a module makes it possible to better stabilize the rear foot, while offering effective assistance and guiding of the march and the attack phase of it.
- the two rigid or semi-rigid shells have a well-defined contour so that the force on the foot during the course of the step is transmitted between the heel and the front part of the foot, by the assembly formed by these support hulls.
- the foot is well maintained when it bears on the ground at the outside of the heel, then when switching to the fifth metatarsal, transferring the force along the outer edges of the reinforcing shells, effort which is then swung to the first metatarsal, then to the first toe, along the edge of the anterior V-cut, with simultaneous support on the inner edge of the heel.
- the contour of the second shell is recessed relative to the contour of the first, the height of the rigid edges is reduced, which allows the sole obtained after thermoforming such a module to have less rigidity at its tangential edges (it includes edges that bear tangentially against the side walls of a shoe). This makes it possible, on the one hand, to facilitate molding and, on the other hand, to confer more comfort during walking and at the same time sufficient support for the foot in the common zone of superposition of the two hulls.
- the module of the invention comprises a lower base, whole or cut, and in this alternative whose anterior edge is located in the vicinity of the anterior limit of the anterior heel, intended to come into contact with the insole of the boot capable of receiving the orthopedic sole, said lower base being disposed in the vicinity of said first rigid or semi-rigid shell.
- Said second shell can then be arranged by bearing directly or indirectly on said lower base, depending on the type of sole.
- the shell having larger dimensions, or said first shell directly on the lower base, between the latter and said second shell.
- Such a lower base makes it possible to advantageously supplement the module of the invention, the rigid or semi-rigid shells being thus sandwiched between said lower base and said upper covering.
- Such a base then makes it possible to facilitate the work of shaping the module of the invention, especially during finishing work by sanding the base.
- the lower base also makes it possible to add to the module of the invention other additional elements below the base, for example foot stabilizing elements, these elements can then be glued while hot, while avoiding that the temperature deteriorates said rigid or semi-rigid shells.
- said lower base may itself constitute a comfort support, both on the support surfaces of the forefoot, but also at the level of the retro-capital region, with respect to the V-cut of said rigid shells. or semi-rigid.
- the edge of said second shell is recessed relative to the edge of the first shell by a distance equal to or greater than the thickness of said second shell on its periphery.
- the edge of the first shell could flex sufficiently while moving towards the inner wall of the boot. in contact with the foot, thus ensuring a good comfort of the foot when walking, and this all around these support hulls.
- the values of this shrinkage are preferably between 0.5 and 7 mm.
- the values of said shrinkage may be different on the periphery, for example in order to be able to adapt the contour as a function of the sensitivity of the bearing zones.
- the second posterior edge of the V-shaped front cutout of said second shell is located further back than the rest of its contour relative to the corresponding portions of the outline of the first shell.
- a more recessed placement of the posterior edge of the V-shaped cutout of the second shell makes it possible to reduce the thickness of the support material to be thermoformed, in order to better be able to conform it to specific reliefs, such as a retro-capital median element or a retro-capital bar.
- the second posterior edge of the front cutout of said second shell is set back by a distance of between 5 and 15 mm, preferably 10 mm with respect to the posterior edge of the V-shaped front cutout of said first shell.
- At least one of said first shell or second shell has a recess at the level of the heel area, to receive calcaneal plantar tuberosities.
- a recess may provide more flexibility to the heel support zone, it may be left free of any filling or it may be filled, partly or entirely, with a material having properties different from those of the material constituting the hulls. Support.
- said first shell has a first recess at the level of the heel area and said second shell has a second recess at the heel and the contours of said recesses are superimposed but with staggered edges. This provides more comfort in the heel seat during use and also during molding.
- the contour of said second recess has the same shape, but dimensions less than the contour of said first recess.
- said recesses are filled at least in part by a pad made of a damping material or shock absorber.
- a third obviously is cut in the base so as to be coaxial with the two previous and also to have an offset of the edges of its periphery which follows the offset of the edges of the first two recesses.
- the module of the invention comprises an element made of a loop-hook type fabric arranged so that it is salient at the lower face of said base.
- said element is an insert disposed in a recess of the base, said recess being made at the heel.
- such element fabric loop type hooks which is tissue-type Velcro ®, preferably made integral with the damping element comprises hooks directed downward toward the sole of the shoe and is provided to cooperate with a complementary element made of a fabric of the same type whose loops are directed upwards towards the hooks of the first. This allows stable and effective attachment of the sole obtained from such a module, especially in the case of open shoes.
- said first shell is completed beyond the V-cut of its anterior edge by an anterior base, made of a material of different hardness, and having a rear edge complementary to said cut.
- an anterior base made of a material of different hardness, and having a rear edge complementary to said cut.
- At least one of said first shell or second shell has a first slot located substantially in the median portion of its outer edge and a second slot located substantially in the median portion of its inner edge.
- slots located in front of the heel on the first support shell and / or on the second support shell are arranged on either side of the longitudinal axis of the foot, respectively on the inner edge and on the outer edge of that (s) -ci to allow greater flexibility in torsion of the rear foot compared to the forefoot, while maintaining good plantar support.
- the articular axes concerned are known under the names of "Lisfranc” and “Chopart” and allow the foot to perform torsion movements along a longitudinal axis, which allows a good adaptation of the foot terrain relief, especially on uneven floors .
- these slots or cutouts make it possible to improve the adaptability of the molded sole to the more or less wide contour of a shoe.
- the module of the invention has at its outer edge a concavity located substantially opposite the styloid process, this concavity being associated with a projection located just behind, so as to confer greater stability to the back foot.
- a concavity located substantially opposite the styloid process, this concavity being associated with a projection located just behind, so as to confer greater stability to the back foot.
- Such stability of the foot, especially the calcaneus is thus obtained by the rise of the seat of the sole then formed in the shoe.
- the object of the invention is also achieved with an orthopedic insole comprising a module of the invention.
- the orthopedic module comprises a second shell 3 ( fig.1b ) rigid or semi-rigid for providing support to the orthopedic insole, having a substantially identical shape contour to that of the first, but having dimensions smaller than the first and being located in a preferred embodiment of the invention and as illustrated in the figures, between the lower base 2 and said first shell 11.
- This rigid or semi-rigid second shell 3 is made of heat-resistant resin or not, capable of flowing or not, for example a polyester resin or polyaramide, whose contour also corresponds to that of the shoe, and whose anterior edge 5 has a rounded V-shaped cutout, the end 7 of the inner branch is close to the first metatarsal neck, whose end 6 of the outer branch is located near the fifth pass metatarsal, and whose posterior edge 8 is substantially located in the vicinity of the posterior medium of the medial metatarsals; this shell is intended to strengthen the reinforcement and support function, including the arch, guide the foot during the course, while ensuring a correct and durable molding of the orthopedic insole, and strengthen the orthopedic corrections made.
- a polyester resin or polyaramide whose contour also corresponds to that of the shoe, and whose anterior edge 5 has a rounded V-shaped cutout, the end 7 of the inner branch is close to the first metatarsal neck, whose end 6 of the outer branch is located near the fifth pass metatarsal, and whose
- the first shell 11 further comprises a first recess 12 and the second shell 3 comprises a second recess 4, these recesses being made at the level of the heel area, to receive the calcaneal plantar tuberosities.
- These recesses 4.12 thus formed can be filled by an insert of corresponding shape, in particular a pad 20 ( Fig.1d ) made of a shock absorbing material or shock absorber, for example made of neoprene foam, PVC or polyurethane. This insert is glued on the lower base 2 or on the coating 21.
- the first shell 11 is joined to an anterior base 19 ( Fig. first ) of complementary shape at its posterior edge to the V-cut 13 of the shell 11, and whose contour corresponds to that of the size of the shoe envisaged. It may nevertheless have a cut at its anterior edge corresponding to the anterior limit of the anterior heel.
- This anterior base 19 may be made of a damping material or of polyurethane foam, polyethylene or EVA. This anterior base is intended to fulfill a function complementary to that of the coating, and to possibly accentuate the fore / aft differentiation in terms of the mechanical characteristics of the sole or the orthopedic insole resulting from this module.
- the outline of the second shell 3 has a substantially identical shape to that of the first shell 11, but it has dimensions smaller than the first.
- the values of this shift or shrinkage are preferably between 0.5 and 7 mm all around, except at the front edge 8 of the second shell where this shift or shrinkage is greater, the latter being between 5 and 15 mm, preferably of the order of 10 mm to allow insertion of a medial retro capital element at this location.
- the Figures 3a to 3d represent different phases of realization of a module of the invention from cut elements.
- the figure 3a illustrates the superposition between the lower base 2 and the second shell 3, the latter being positioned following pins 26 of the figure 1 at.
- the figure 3b illustrates a bottom view of the first shell 11 assembled with the second shell 3, and the figure 3c a view from above of this assembly before being positioned on the lower base 2, as shown in FIG. figure 3d , which is also done using the markers 26 of the figure 1a .
- the module thus formed has at the outer edge of the first shell 11 a concavity 17, respectively to that of the second shell 3 a concavity 9, located opposite the styloid process, these concavities being associated, the first with a projection 18, the second with a projection 10, located just behind these concavities, as can be observed on the Figures 1b and 1c .
- This provides greater stability to the hindfoot and in particular the calcaneus, by the rise of the seat of the sole then formed in the shoe.
- the figure 4 illustrates a cross-sectional view of a module according to a variant of the invention, the view being made with a vertical plane containing the axis of the coaxial recesses 4 and 12. It is thus noted that the contours of said recesses 4, 12 are superimposed but with staggered edges to obtain more comfort at the heel seat during use and also during molding. According to this variant, the contour of the second recess 4 has the same shape, but dimensions less than the contour of the first obviously 12 to allow better holding in place and better bonding during thermoforming of a pad 20 made of a shock absorbing material or shock absorber which fills said recesses.
- the figure 5a illustrates a first hull 11 and the figure 5b illustrates a second shell 3 belonging to a module made according to another embodiment of the invention.
- the first shell 11 has a first slot 25 located substantially in the median portion of its outer edge and a second slot 24 located substantially in the median portion of its inner edge and the second shell 3 has a first slot 23 located substantially in the middle portion of its outer edge and a second slot 22 located substantially in the middle portion of its inner edge.
- the contour of the slits 22 and 23 is shifted more recessed than that of the slits 24 and 25, respectively, to provide greater comfort to the foot during molding, as well as during use.
- These slots are located in front of the heel on the first support shell 11 and on the second support shell 3 are arranged on either side of the longitudinal axis of the foot to allow greater flexibility in torsion of the rear foot compared to the forefoot, while maintaining good foot support.
- the module thus obtained is then used by thermoforming, for example by molding or directly on foot. More specifically, the molding can be done on a tool-form; this will be the case most often modules or soles said “comfort”, sold preformed.
- the molding can be done directly on the foot, usually in store or workshop; this will most often be the so-called “orthopedic" insole modules in the narrow sense of the term, which must be adapted to the particular morphology, even the pathological, of the foot. This does not exclude the possibility of making modules or soles called "comfort" directly molded on the foot, store.
- Finishing operations and adaptation in the footwear can also be provided.
- the module according to the invention also allows the establishment of orthopedic correction elements rigid or semi-rigid, or flexible, whose nature and location are determined by the podiatrist based on pathologies encountered.
- the establishment of these elements can be carried out in the following manner: the module being preheated to a suitable temperature, depending on the nature of the material which constitutes it, one or more convex shaped recesses are made within the first shell 11 and / or the second shell 3 and are then filled with a filling material of appropriate hardness.
- These elements can also be reported, in particular by gluing on the entity constituted by the lower base and the shell, the coating 21 then being bonded to this assembly thus produced.
- the shell is itself made of a two-component composite material, combining a resin and a foam, for example polyurethane, or even a high density foam (EVA).
- a resin for example polyurethane, or even a high density foam (EVA).
- EVA high density foam
- the lower base 2 and the coating 21 may be composite, combining several foams of different densities, or even be made of a shock-absorbing material.
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Description
La présente invention concerne un module destiné à permettre la réalisation d'orthèses podologiques ou de confort, notamment de semelles orthopédiques.The present invention relates to a module for the realization of podological orthoses or comfort, including orthopedic insoles.
Les semelles orthopédiques ou orthèses plantaires sont utilisées comme support du pied dans une chaussure, elles sont amovibles en étant placées à l'intérieur d'une chaussure de ville ou de sport. Les semelles orthopédiques sont généralement destinées à compenser une déformation de la plante du pied, à amortir les chocs lors de la marche ou de la course, décharger les zones des appuis soumis à des très fortes contraintes, voire à assurer un confort en empêchant l'apparition des douleurs liées à la forme de la chaussure.Orthopedic insoles or plantar orthoses are used as foot support in a shoe, they are removable by being placed inside a shoe or sport shoe. The orthopedic insoles are generally intended to compensate for deformation of the sole of the foot, to cushion shocks during walking or running, to discharge the zones of the supports subjected to very high stresses, and even to ensure comfort by preventing the appearance of pain related to the shape of the shoe.
Les semelles orthopédiques ou orthèses doivent être adaptées à l'anatomie du pied, elles peuvent être du type mécanique en étant réalisées par un assemblage d'éléments de différentes hauteurs, en des matériaux de densité différente ou elles peuvent être réalisées par moulage à base d'éléments thermoformables.The orthopedic insoles or orthoses must be adapted to the anatomy of the foot, they can be of the mechanical type being made by an assembly of elements of different heights, in materials of different density or they can be made by molding on the basis of thermoformable elements.
Ainsi, on connaît dans l'état de la technique le document
Une solution a été proposée dans le catalogue de cette année de la société Coblentz où l'on observe un module réalisé selon le document susmentionné, mais qui comprend un renfort supplémentaire agencé uniquement au niveau de la voûte plantaire. Assurant, certes, un meilleur soutien de la voûte plantaire, cette solution trouve ses limites au niveau de la stabilité du pied. En effet, des torsions dans un plan vertical autour de l'axe longitudinal du pied peuvent apparaître lors du déroulement du pas.A solution has been proposed in this year's catalog of Coblentz where we observe a module made according to the aforementioned document, but which comprises an additional reinforcement arranged only at the level of the arch. Assuring, certainly, a better support of the arch, this solution finds its limits in the stability of the foot. Indeed, twists in a vertical plane around the longitudinal axis of the foot may appear during the course of the step.
On connaît par ailleurs le document
Le but de la présente invention est de remédier aux inconvénients précités et de proposer un module orthopédique du type pouvant être utilisé pour obtenir par thermoformage une semelle orthopédique qui soit apte à assurer un bon soutien de la voûte plantaire et en même temps de stabiliser le pied lors du déplacement du porteur de ladite semelle.The purpose of the present invention is to overcome the aforementioned drawbacks and to provide an orthopedic module of the type that can be used to obtain by thermoforming an orthopedic insole that is able to ensure good support of the arch and at the same time to stabilize the foot during the movement of the carrier of said sole.
Un autre but de l'invention est de proposer un module orthopédique apte à assurer un bon maintien du pied et en même temps un bon confort lors de la marche ou de la course, voire à soulager certains appuis douloureux tout en étant d'un encombrement réduit.Another object of the invention is to provide an orthopedic module capable of ensuring a good support of the foot and at the same time a good comfort during walking or running, or even to relieve some painful support while being a clutter reduced.
Un autre but de l'invention est de proposer un module orthopédique apte à assurer un bon maintien du pied avec une bonne répartition des appuis, tout en pouvant être facilement réalisé par thermoformage afin de pouvoir simplifier le processus de réalisation d'une semelle le comportant, en évitant de passer par des opérations de reprise ou de façonnage fastidieuses, pour un coût moindre de fabrication.Another object of the invention is to provide an orthopedic module capable of ensuring a good support of the foot with a good distribution of the supports, while being easily made by thermoforming so as to simplify the process of producing a sole comprising , avoiding to go through tedious recovery or shaping operations, for a lower cost of manufacture.
Ces buts sont atteints avec un module orthopédique pour la réalisation par thermoformage de semelles orthopédiques comprenant un complexe multicouches associant dans l'ordre sous forme indépendante ou sous forme précollés:
- une première coque rigide ou semi-rigide, destinée à conférer du soutien à la semelle orthopédique;
- ladite première coque présentant une découpe antérieure en forme de V, dont l'extrémité de la branche interne est située au voisinage du premier col métatarsien, dont l'extrémité de la branche externe est située au voisinage du cinquième col métatarsien, et dont le bord postérieur est sensiblement situé au voisinage du milieu postérieur des métatarsiens médians,
- un revêtement supérieur, en forme de semelle entière ou découpé avec un bord antérieur situé sensiblement à la limite antérieure du talon antérieur, et destiné à isoler le pied de la coque,
- a first rigid or semi-rigid shell, intended to provide support to the orthopedic sole;
- said first shell having an anterior V-shaped cutout, the end of the inner branch of which is in the vicinity of the first metatarsal neck, the end of the outer branch of which is in the vicinity of the fifth metatarsal neck, and whose edge posterior is substantially located in the vicinity of the posterior medium of the medial metatarsals,
- an upper liner, in the form of a sole or cut with an anterior edge substantially at the anterior limit of the anterior heel, and intended to isolate the foot from the hull,
Le module orthopédique de l'invention comporte un complexe multicouches, dont une coque rigide ou semi-rigide qui, de par sa forme et ses dimensions assure un premier soutien de la voûte plantaire, ainsi qu'un recouvrement supérieur pour protéger le pied par rapport à ladite coque. Ce complexe multicouches est destiné à réaliser une semelle orthopédique par un procédé de thermoformage, où le terme générique de semelle orthopédique est utilisé pour indiquer une orthèse plantaire ou une semelle de confort.The orthopedic module of the invention comprises a multilayer complex, including a rigid or semi-rigid shell which, by its shape and dimensions provides a first support of the arch, and an upper covering to protect the foot from to said shell. This multilayer complex is intended to produce an orthopedic insole by a thermoforming process, where the generic term orthopedic insole is used to indicate a plantar orthosis or a sole of comfort.
Selon l'invention, une deuxième coque rigide ou semi-rigide est rajoutée de manière adjacente à ladite première coque. Par deuxième coque disposée adjacente à la première, on comprend que ladite deuxième coque prend appui contre ladite première coque, en pouvant être disposée au-dessus ou en-dessous de cette dernière. Ceci permet d'ajuster la résistance mécanique et la flexibilité de l'ensemble, les valeurs de ces paramètres étant déterminés par les caractéristiques du matériau de la coque et son épaisseur.According to the invention, a second rigid or semi-rigid shell is added adjacent said first shell. By second shell disposed adjacent to the first, it is understood that said second shell bears against said first shell, being able to be arranged above or below the latter. This makes it possible to adjust the mechanical strength and the flexibility of the assembly, the values of these parameters being determined by the characteristics of the shell material and its thickness.
Dans une variante, plusieurs telles coques rigides ou semi-rigides peuvent être rajoutées à la structure du module de manière à adapter le module à la pointure, au poids de son porteur, voire à l'activité physique exercée. Les différentes coques peuvent avoir des épaisseurs variables, ce qui permet de multiplier les combinaisons et obtenir ainsi une gamme plus importante des valeurs de rigidité. Lorsque plusieurs coques sont rajoutées l'une contre l'autre à la structure de la semelle, leurs formes et dimensions sont choisis de manière à ce que les contours des diverses coques successives soient en retrait l'un par rapport à l'autre de manière progressive.In a variant, several such rigid or semi-rigid shells can be added to the structure of the module so as to adapt the module to the size, the weight of the wearer, or even to the physical activity exerted. The different shells can have varying thicknesses, which allows to multiply the combinations and thus obtain a greater range of rigidity values. When several shells are added against each other to the structure of the sole, their shapes and dimensions are chosen so that the contours of the various successive hulls are set back relative to each other. progressive.
Plus particulièrement, un tel module permet de mieux stabiliser l'arrière pied, tout en offrant une aide et un guidage efficaces de la marche et dès la phase d'attaque de celle-ci. En effet, les deux coques rigides ou semi-rigides présentent un contour bien déterminé faisant que l'effort au niveau du pied lors du déroulement du pas est transmis, entre le talon et la partie antérieure du pied, par l'ensemble formé par ces coques de soutien. Ainsi, le pied est bien maintenu dès qu'il prend appui sur le sol au niveau de l'extérieur du talon, puis lors du basculement vers le cinquième métatarse, en transférant l'effort le long des bords extérieurs des coques de renfort, effort qui est ensuite basculé vers le premier métatarse, puis vers le premier orteil, le long du bord de la découpe antérieure en V, avec un appui simultané sur le bord intérieur du talon.More particularly, such a module makes it possible to better stabilize the rear foot, while offering effective assistance and guiding of the march and the attack phase of it. Indeed, the two rigid or semi-rigid shells have a well-defined contour so that the force on the foot during the course of the step is transmitted between the heel and the front part of the foot, by the assembly formed by these support hulls. Thus, the foot is well maintained when it bears on the ground at the outside of the heel, then when switching to the fifth metatarsal, transferring the force along the outer edges of the reinforcing shells, effort which is then swung to the first metatarsal, then to the first toe, along the edge of the anterior V-cut, with simultaneous support on the inner edge of the heel.
De surcroît, du fait que le contour de la deuxième coque est en retrait par rapport au contour de la première, la hauteur des bords rigides est réduite, ce qui permet à la semelle obtenue après thermoformage d'un tel module de présenter moins de rigidité au niveau de ses bords tangentiels (on comprend des bords qui prennent appui de manière tangentielle contre les parois latérales d'une chaussure). Ceci permet d'une part, de faciliter le moulage et, d'autre part, de conférer plus de confort lors de la marche et en même temps suffisamment de soutien du pied dans la zone commune de superposition des deux coques.In addition, because the contour of the second shell is recessed relative to the contour of the first, the height of the rigid edges is reduced, which allows the sole obtained after thermoforming such a module to have less rigidity at its tangential edges (it includes edges that bear tangentially against the side walls of a shoe). This makes it possible, on the one hand, to facilitate molding and, on the other hand, to confer more comfort during walking and at the same time sufficient support for the foot in the common zone of superposition of the two hulls.
Avantageusement, le module de l'invention comprend une base inférieure, entière ou découpée, et dans cette alternative dont le bord antérieur est situé au voisinage de la limite antérieure du talon antérieur, destinée à venir au contact de la semelle de propreté de la chaussure susceptible de recevoir la semelle orthopédique, ladite base inférieure étant disposée au voisinage de ladite première coque rigide ou semi-rigide.Advantageously, the module of the invention comprises a lower base, whole or cut, and in this alternative whose anterior edge is located in the vicinity of the anterior limit of the anterior heel, intended to come into contact with the insole of the boot capable of receiving the orthopedic sole, said lower base being disposed in the vicinity of said first rigid or semi-rigid shell.
Ladite deuxième coque peut alors être agencée en prenant appui directement ou indirectement sur ladite base inférieure, en fonction du type de semelle. Ainsi, pour des semelles dites « de confort », on préfère agencer la coque ayant de plus grandes dimensions, ou ladite première coque, directement sur la base inférieure, entre celle-ci et ladite deuxième coque. Dans le cas des semelles dites « orthopédiques », on préfère agencer la coque ayant de plus grandes dimensions, ou ladite première coque, contre ladite deuxième coque qui, elle, prend alors directement appui sur ladite base inférieure.Said second shell can then be arranged by bearing directly or indirectly on said lower base, depending on the type of sole. Thus, for so-called "comfort" soles, it is preferred to arrange the shell having larger dimensions, or said first shell, directly on the lower base, between the latter and said second shell. In the case of so-called "orthopedic" soles, it is preferred to arrange the shell having larger dimensions, or said first shell, against said second shell, which itself then bears directly on said lower base.
Ainsi, dans un mode préféré de réalisation de l'invention, le module orthopédique pour la réalisation par thermoformage de semelles orthopédiques, comprend un complexe multicouches associant dans l'ordre sous forme indépendante ou sous forme précollés:
- une base inférieure, entière ou découpée, et dans cette alternative dont le bord antérieur est situé au voisinage de la limite antérieure du talon antérieur, destinée à venir au contact de la semelle de propreté de la chaussure susceptible de recevoir la semelle orthopédique;
- une première coque rigide ou semi-rigide, destinée à conférer du soutien à la semelle orthopédique;
- ladite première coque présentant une découpe antérieure en forme de V, dont l'extrémité de la branche interne est située au voisinage du premier col métatarsien, dont l'extrémité de la branche externe est située au voisinage du cinquième col métatarsien, et dont le bord postérieur est sensiblement situé au voisinage du milieu postérieur des métatarsiens médians,
- un revêtement supérieur, en forme de semelle entière ou découpé avec un bord antérieur situé sensiblement à la limite antérieure du talon antérieur, et destiné à isoler le pied de la coque,
- a lower base, whole or cut, and in this alternative whose anterior edge is located in the vicinity of the anterior limit of the anterior heel, intended to come into contact with the sole of cleanliness of the shoe capable of receiving the orthopedic sole;
- a first rigid or semi-rigid shell, intended to provide support to the orthopedic sole;
- said first shell having an anterior V-shaped cutout, the end of the inner branch of which is in the vicinity of the first metatarsal neck, the end of the outer branch of which is in the vicinity of the fifth metatarsal neck, and whose edge posterior is substantially located in the vicinity of the posterior medium of the medial metatarsals,
- an upper liner, in the form of a sole or cut with an anterior edge substantially at the anterior limit of the anterior heel, and intended to isolate the foot from the hull,
Une telle base inférieure permet de compléter de manière avantageuse le module de l'invention, les coques rigides ou semi-rigides étant ainsi prises en sandwich entre ladite base inférieure et ledit revêtement supérieur. Une telle base permet alors de faciliter le travail de façonnage du module de l'invention, notamment lors d'un travail de finition par ponçage de la base. La base inférieure permet également de pouvoir rajouter au module de l'invention d'autres éléments supplémentaires en dessous de la base, par exemple des éléments de stabilisation du pied, ces éléments pouvant alors être collés à chaud, tout en évitant que la température ne détériore lesdites coques rigides ou semi-rigides. De surcroît, ladite base inférieure peut constituer elle-même un support de confort, tant sur les surfaces d'appui de l'avant-pied, mais aussi au niveau de la région retro capitale, au regard de la découpe en V desdites coques rigides ou semi-rigides.Such a lower base makes it possible to advantageously supplement the module of the invention, the rigid or semi-rigid shells being thus sandwiched between said lower base and said upper covering. Such a base then makes it possible to facilitate the work of shaping the module of the invention, especially during finishing work by sanding the base. The lower base also makes it possible to add to the module of the invention other additional elements below the base, for example foot stabilizing elements, these elements can then be glued while hot, while avoiding that the temperature deteriorates said rigid or semi-rigid shells. In addition, said lower base may itself constitute a comfort support, both on the support surfaces of the forefoot, but also at the level of the retro-capital region, with respect to the V-cut of said rigid shells. or semi-rigid.
De préférence, le bord de ladite deuxième coque est en retrait par rapport au bord de la première coque d'une distance égale ou supérieure à l'épaisseur de ladite deuxième coque sur son pourtour.Preferably, the edge of said second shell is recessed relative to the edge of the first shell by a distance equal to or greater than the thickness of said second shell on its periphery.
Il a été constaté, lors des tests effectués, que, pour des valeurs dudit retrait supérieures ou égales à l'épaisseur de ladite deuxième coque, le bord de la première coque arrivait à fléchir suffisamment en s'écartant vers la paroi interne de la chaussure au contact du pied, assurant ainsi un bon confort du pied lors de la marche, et ceci sur tout le pourtour de ces coques de soutien. A titre d'exemple, pour des épaisseurs de coque de soutien comprises entre 0,5 et 3 mm, les valeurs de ce retrait sont de préférence comprises entre 0,5 et 7 mm. Les valeurs dudit retrait peuvent être différentes sur le pourtour, par exemple afin de pouvoir adapter le contour en fonction de la sensibilité des zones d'appui.It has been found, during the tests carried out, that, for values of said shrinkage greater than or equal to the thickness of said second shell, the edge of the first shell could flex sufficiently while moving towards the inner wall of the boot. in contact with the foot, thus ensuring a good comfort of the foot when walking, and this all around these support hulls. By way of example, for support shell thicknesses between 0.5 and 3 mm, the values of this shrinkage are preferably between 0.5 and 7 mm. The values of said shrinkage may be different on the periphery, for example in order to be able to adapt the contour as a function of the sensitivity of the bearing zones.
Avantageusement, le deuxième bord postérieur de la découpe antérieure en V de ladite deuxième coque est situé plus en retrait que le reste de son contour par rapport aux parties correspondantes du contour de la première coque.Advantageously, the second posterior edge of the V-shaped front cutout of said second shell is located further back than the rest of its contour relative to the corresponding portions of the outline of the first shell.
Ainsi, un placement plus en retrait du bord postérieur de la découpe en V de la deuxième coque permet de diminuer l'épaisseur du matériau de soutien à thermoformer, afin de mieux pouvoir la conformer selon des reliefs spécifiques, tels un élément rétro-capital médian ou une barre rétro-capitale.Thus, a more recessed placement of the posterior edge of the V-shaped cutout of the second shell makes it possible to reduce the thickness of the support material to be thermoformed, in order to better be able to conform it to specific reliefs, such as a retro-capital median element or a retro-capital bar.
De préférence, le deuxième bord postérieur de la découpe antérieure de ladite deuxième coque est situé en retrait d'une distance comprise entre 5 et 15 mm, de préférence 10 mm par rapport au bord postérieur de la découpe antérieure en V de ladite première coque.Preferably, the second posterior edge of the front cutout of said second shell is set back by a distance of between 5 and 15 mm, preferably 10 mm with respect to the posterior edge of the V-shaped front cutout of said first shell.
Ainsi, une telle valeur du retrait permet de déformer le module selon la forme et les dimensions d'un élément rétro-capital disposé dans le fond d'une matrice négative. Ce retrait permet alors d'insérer un tel élément à partir du niveau d'environ un tiers postérieur des métatarsiens médians, et ceci pour couvrir la gamme des pointures usuelles.Thus, such a value of the shrinkage makes it possible to deform the module according to the shape and dimensions of a retro-capital element disposed in the bottom of a negative matrix. This withdrawal then makes it possible to insert such an element from the level of about a third posterior of the medial metatarsals, and this to cover the range of usual sizes.
Avantageusement, au moins l'une desdites première coque ou deuxième coque comporte un évidement au niveau de la zone du talon, pour recevoir les tubérosités plantaires calcanéennes. Un tel évidement peut conférer plus de flexibilité à la zone d'appui du talon, il peut être laissé libre de tout remplissage ou il peut être comblé, en partie ou entièrement, par un matériau ayant des propriétés différentes de celles du matériau constituant les coques de soutien.Advantageously, at least one of said first shell or second shell has a recess at the level of the heel area, to receive calcaneal plantar tuberosities. Such a recess may provide more flexibility to the heel support zone, it may be left free of any filling or it may be filled, partly or entirely, with a material having properties different from those of the material constituting the hulls. Support.
De préférence, ladite première coque comporte un premier évidement au niveau de la zone du talon et ladite deuxième coque comporte un deuxième évidement au niveau du talon et les contours desdits évidements sont superposés mais avec des bords décalés. On obtient ainsi plus de confort au niveau de l'assise du talon à l'usage et également pendant le moulage.Preferably, said first shell has a first recess at the level of the heel area and said second shell has a second recess at the heel and the contours of said recesses are superimposed but with staggered edges. This provides more comfort in the heel seat during use and also during molding.
Avantageusement, le contour dudit deuxième évidement a une même forme, mais des dimensions inférieures au contour dudit premier évidement. De préférence, lesdits évidements sont comblés au moins en partie par un coussinet en un matériau amortisseur ou absorbeur de chocs.Advantageously, the contour of said second recess has the same shape, but dimensions less than the contour of said first recess. Preferably, said recesses are filled at least in part by a pad made of a damping material or shock absorber.
On aurait pu, certes, réaliser un deuxième évidement ayant une longueur du pourtour plus grande que celle du premier évidement et ceci afin de permettre l'insert d'un matériau absorbeur d'une plus grande épaisseur. On préfère toutefois réaliser un deuxième évidemment dont le pourtour a une longueur inférieure à celle du premier évidemment, car ceci favorise le maintien de l'insert à l'intérieur du module et assure une meilleure fixation lors du thermoformage.It would have been possible, of course, to make a second recess having a length of the periphery greater than that of the first recess and this in order to allow the insert of an absorbing material of greater thickness. However, it is preferred to make a second obviously whose periphery has a length less than that of the first obviously, as this promotes the maintenance of the insert inside the module and ensures better fixation during thermoforming.
Dans une variante de réalisation de l'invention, un troisième évidemment est découpé dans la base de manière à être coaxial avec les deux précédents et à présenter également un décalage des bords de son pourtour qui suit le décalage des bords des premiers deux évidements. Ceci permet de combler les trois évidements par un matériau amortisseur et de le faire apparaître à travers la base pour plus de confort au niveau de l'appui du talon, tout en permettant d'améliorer la stabilité du calcanéum après moulage du module.In an alternative embodiment of the invention, a third obviously is cut in the base so as to be coaxial with the two previous and also to have an offset of the edges of its periphery which follows the offset of the edges of the first two recesses. This makes it possible to fill the three recesses with a damping material and to make it appear through the base for greater comfort at the level of the heel support, while making it possible to improve the stability of the calcaneum after molding of the module.
Avantageusement, le module de l'invention comprend un élément réalisé en un tissu de type boucles-crochets agencé de manière à ce qu'il soit saillant au niveau de la face inférieure de ladite base. De préférence, ledit élément est un insert disposé dans un évidement de la base, ledit évidement étant réalisé au niveau du talon.Advantageously, the module of the invention comprises an element made of a loop-hook type fabric arranged so that it is salient at the lower face of said base. Preferably, said element is an insert disposed in a recess of the base, said recess being made at the heel.
Ainsi, un tel élément en tissu de type boucles-crochets, qui est du type tissu Velcro®, de préférence rendu solidaire de l'élément amortisseur, comporte des crochets dirigés vers le bas en direction de la semelle de la chaussure et il est prévu pour coopérer avec un élément complémentaire réalisé en un tissu de même type dont les boucles sont dirigées vers le haut en direction des crochets du premier. Ceci permet une fixation stable et efficace de la semelle obtenue à partir d'un tel module, notamment dans le cas des chaussures ouvertes.Thus, such element fabric loop type hooks, which is tissue-type Velcro ®, preferably made integral with the damping element comprises hooks directed downward toward the sole of the shoe and is provided to cooperate with a complementary element made of a fabric of the same type whose loops are directed upwards towards the hooks of the first. This allows stable and effective attachment of the sole obtained from such a module, especially in the case of open shoes.
De préférence, ladite première coque est complétée au delà de la découpe en V de son bord antérieur par une base antérieure, réalisée en un matériau à dureté différente, et présentant un bord postérieur complémentaire à ladite découpe. Ceci permet d'associer un matériau de densité différente à une base existante et accentuer ainsi la différenciation avant-arrière en termes de caractéristiques mécaniques de l'ensemble du module.Preferably, said first shell is completed beyond the V-cut of its anterior edge by an anterior base, made of a material of different hardness, and having a rear edge complementary to said cut. This allows to associate a different density material to an existing base and thus accentuate the front-rear differentiation in terms of mechanical characteristics of the entire module.
Avantageusement, au moins l'une desdites première coque ou deuxième coque comporte une première fente située sensiblement en la partie médiane de son bord externe et une deuxième fente située sensiblement en la partie médiane de son bord interne.Advantageously, at least one of said first shell or second shell has a first slot located substantially in the median portion of its outer edge and a second slot located substantially in the median portion of its inner edge.
Ces fentes situées en avant du talon sur la première coque de soutien et/ou sur la deuxième coque de soutien sont agencées de part et d'autre de l'axe longitudinal du pied, respectivement sur le bord interne et sur le bord externe de celle(s)-ci afin de permettre une meilleure flexibilité en torsion de l'arrière pied par rapport à l'avant pied, tout en conservant un bon soutien plantaire. Les axes articulaires concernés sont connus sous les noms de « Lisfranc » et « Chopart » et permettent au pied de réaliser des mouvements de torsion selon un axe longitudinal, ce qui permet une bonne adaptation du pied au relief du terrain, surtout sur des sols inégaux. De surcroît, ces fentes ou découpes permettent d'améliorer l'adaptabilité de la semelle moulée au contour plus ou moins large d'une chaussure.These slots located in front of the heel on the first support shell and / or on the second support shell are arranged on either side of the longitudinal axis of the foot, respectively on the inner edge and on the outer edge of that (s) -ci to allow greater flexibility in torsion of the rear foot compared to the forefoot, while maintaining good plantar support. The articular axes concerned are known under the names of "Lisfranc" and "Chopart" and allow the foot to perform torsion movements along a longitudinal axis, which allows a good adaptation of the foot terrain relief, especially on uneven floors . In addition, these slots or cutouts make it possible to improve the adaptability of the molded sole to the more or less wide contour of a shoe.
De préférence, le module de l'invention présente au niveau de son bord externe une concavité située sensiblement en regard de l'apophyse styloïde, cette concavité étant associée à une saillie située juste en arrière, de telle sorte à conférer une plus grande stabilité à l'arrière pied. Une telle stabilité du pied, notamment du calcanéum est ainsi obtenue de par la remontée de l'assise de la semelle alors constituée dans la chaussure.Preferably, the module of the invention has at its outer edge a concavity located substantially opposite the styloid process, this concavity being associated with a projection located just behind, so as to confer greater stability to the back foot. Such stability of the foot, especially the calcaneus is thus obtained by the rise of the seat of the sole then formed in the shoe.
L'objet de l'invention est également atteint avec une semelle orthopédique comportant un module de l'invention.The object of the invention is also achieved with an orthopedic insole comprising a module of the invention.
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Les
figures 1a à 1f sont des représentations schématiques en plan des différents éléments de base entrant dans la constitution du module de l'invention.TheFigures 1a to 1f are schematic representations in plan of the different basic elements forming part of the constitution of the module of the invention. -
La
figure 2 est une vue éclatée du module de l'invention.Thefigure 2 is an exploded view of the module of the invention. -
Les
figures 3a à 3d sont des représentations schématiques en plan montrant les différentes phases d'assemblage du module de l'invention ;TheFigures 3a to 3d are schematic plan views showing the different assembly phases of the module of the invention; -
La
figure 4 est une vue en coupe transversale d'une variante de réalisation du module de l'invention.Thefigure 4 is a cross-sectional view of an alternative embodiment of the module of the invention. -
Les
figures 5a et 5b sont des vues en plan des deux éléments du module de l'invention selon une autre variante de réalisation de l'invention.TheFigures 5a and 5b are plan views of the two elements of the module of the invention according to another embodiment of the invention.
Les
- une base inférieure 2 (
fig.1a ), dont la forme correspond sensiblement au contour de la chaussure après thermoformage (initialement ses dimensions étant plus importantes), à l'exception du bord antérieur, éventuellement limité à la zone antérieure du talon antérieur (tel que représenté par le trait interrompu 27 à lafig. 1a ), et réalisée en une mousse de polyuréthanne, de polyéthylène ou encore d'EVA, et destinée à venir en contact avec la semelle de propreté de la chaussure; - une première coque rigide ou semi-rigide 11 (
fig.1c ) à base de résine thermocollante ou non, capable de fluer ou non, par exemple une résine polyester ou polyaramide, dont le contour correspond également à celui de la chaussure, et dont le bord antérieur 13 présente une découpe en forme de V arrondi,dont l'extrémité 14 de la branche interne est voisine du premier col métatarsien,dont l'extrémité 15 de la branche externe est située au voisinage du cinquième col métatarsien, et dont le bord postérieur 16 est sensiblement situé au voisinage du milieu postérieur des métatarsiens médians; cette coque est destinée à remplir la fonction de renfort et de soutien, notamment de la voûte plantaire, à assurer un moulage correct et durable de la semelle orthopédique, et à renforcer les corrections orthopédiques apportées; - un revêtement 21 (
fig.1f ), dont la forme correspond sensiblement au contour de la chaussure après thermoformage (initialement ses dimensions étant plus importantes), et réalisé également en mousse de polyuréthanne, de polyéthylène ou d'EVA ou en un matériau synthétique imitant le cuir, ou en cuir ou tout matériau naturel ou synthétique toléré par la peau plantaire, destiné à isoler le pied de la coque, mais également à assurer le transfert de la rigidité de la coque au pied.
- a lower base 2 (
fig.1a ), whose shape corresponds substantially to the contour of the shoe after thermoforming (initially its dimensions being larger), with the exception of the anterior edge, possibly limited to the anterior zone of the anterior heel (such as represented by thebroken line 27 at theFig. 1a ), and made of a polyurethane foam, polyethylene or EVA, and intended to come into contact with the sole of cleanliness of the shoe; - a first rigid or semi-rigid shell 11 (
Fig.1C ) based on fusible resin or not, capable of flowing or not, for example a polyester or polyaramid resin, whose contour also corresponds to that of the shoe, and whosefront edge 13 has a round V-shaped cut, of which theend 14 of the inner branch is close to the first metatarsal neck, the end of the outer branch of which is situated in the vicinity of the fifth metatarsal neck, and the posterior edge of which is substantially situated in the vicinity of the posterior medium of the medial metatarsals. ; this shell is intended to fulfill the function of reinforcement and support, including the arch, to ensure a correct and durable molding of the orthopedic insole, and strengthen the orthopedic corrections made; - a coating 21 (
fig.1F ), whose shape corresponds substantially to the contour of the shoe after thermoforming (initially its dimensions being larger), and also made of polyurethane foam, polyethylene or EVA or a synthetic material imitating leather, or leather or any natural or synthetic material tolerated by the plantar skin, intended to isolate the foot of the shell, but also to ensure the transfer of rigidity of the shell to the foot.
Selon l'invention, le module orthopédique comporte une deuxième coque 3 (
La première coque 11 comporte par ailleurs un premier évidement 12 et la deuxième coque 3 comporte un deuxième évidement 4, ces évidements étant réalisés au niveau de la zone du talon, pour recevoir les tubérosités plantaires calcanéennes. Ces évidements 4,12 ainsi ménagés peuvent être comblés par un insert de forme correspondante, notamment un coussinet 20 (
Selon une variante de l'invention, on adjoint à la première coque 11 une base antérieure 19 (
Tous ces éléments peuvent être proposés sous forme indépendante, le podologue les superposant les uns sur les autres dans l'ordre base inférieure - coque - revêtement avant de procéder au thermoformage du module ainsi constitué. Dans une autre alternative, ces éléments sont pré-encollés, et constituent de fait une seule entité prête à être thermoformée. Dans encore une autre alternative, ces éléments ces éléments sont pré-encollés et thermoformés. Quelle que soit la solution retenue, les contours de ces trois éléments doivent s'ajuster de manière précise.All these elements can be proposed in independent form, the chiropodist superimposing them on each other in the order of the lower base - shell - coating before proceeding to thermoforming the module thus constituted. In another alternative, these elements are pre-glued, and are in fact a single entity ready to be thermoformed. In yet another alternative, these elements these elements are pre-glued and thermoformed. Whatever the solution chosen, the contours of these three elements must be adjusted precisely.
Selon une caractéristique avantageuse de l'invention, et tel que mieux visible aux
Les
Selon une autre caractéristique avantageuse de l'invention, le module ainsi constitué présente au niveau du bord externe de la première coque 11 une concavité 17, respectivement à celui de la deuxième coque 3 une concavité 9, situées en regard de l'apophyse styloïde, ces concavités étant associées, la première à une saillie 18, respectivement la deuxième à une saillie 10, situées juste en arrière par rapport à ces concavités, tel que l'on peut bien l'observer sur les
La
La
Différentes associations de matériaux peuvent être mises en oeuvre dans le cadre de la constitution de ce module, en fonction de la répartition souhaitée des caractéristiques de rigidité de la coque.Different combinations of materials can be implemented in the context of the constitution of this module, depending on the desired distribution of rigidity characteristics of the hull.
Le module ainsi obtenu est ensuite mis en oeuvre par thermoformage, par exemple par moulage ou directement sur pied. Plus précisément, le moulage peut se faire sur une forme-outil ; cela sera le cas le plus souvent des modules ou semelles dites « de confort », vendues préformées. Le moulage peut se faire aussi directement sur le pied, le plus souvent en magasin ou en atelier ; cela sera le cas le plus souvent des modules semelles dites « orthopédiques » au sens étroit du terme, qui doivent être adaptés à la morphologie, particulière voire pathologique, du pied. Ceci n'exclut pas la possibilité de réaliser des modules ou semelles dites « de confort » directement moulées sur le pied, en magasin.The module thus obtained is then used by thermoforming, for example by molding or directly on foot. More specifically, the molding can be done on a tool-form; this will be the case most often modules or soles said "comfort", sold preformed. The molding can be done directly on the foot, usually in store or workshop; this will most often be the so-called "orthopedic" insole modules in the narrow sense of the term, which must be adapted to the particular morphology, even the pathological, of the foot. This does not exclude the possibility of making modules or soles called "comfort" directly molded on the foot, store.
Des opérations de finition et d'adaptation dans le chaussant peuvent également être prévues.Finishing operations and adaptation in the footwear can also be provided.
Par ailleurs, le module conforme à l'invention permet également la mise en place d'éléments de correction orthopédique rigides ou semi-rigides, voire souples, dont la nature et la localisation sont déterminées par le podologue en fonction des pathologies rencontrées. La mise en place de ces éléments peut s'effectuer de la manière suivante: le module étant préalablement chauffé à une température adéquate, fonction de la nature du matériau qui le constitue, un ou plusieurs évidements de forme bombée sont réalisés au sein de la première coque 11 et/ou de la deuxième coque 3 et sont ensuite comblés par un matériau de remplissage de dureté appropriée. Ces éléments peuvent également être rapportés, notamment par collage sur l'entité constituée par la base inférieure et la coque, le revêtement 21 étant ensuite collé sur cet ensemble ainsi réalisé.Furthermore, the module according to the invention also allows the establishment of orthopedic correction elements rigid or semi-rigid, or flexible, whose nature and location are determined by the podiatrist based on pathologies encountered. The establishment of these elements can be carried out in the following manner: the module being preheated to a suitable temperature, depending on the nature of the material which constitutes it, one or more convex shaped recesses are made within the
Selon une autre variante de l'invention, la coque est elle-même réalisée en un matériau composite bi-composant, associant une résine et une mousse, par exemple de polyuréthanne, voire d'une mousse de forte densité (EVA).According to another variant of the invention, the shell is itself made of a two-component composite material, combining a resin and a foam, for example polyurethane, or even a high density foam (EVA).
De la même manière, la base inférieure 2 et le revêtement 21 peuvent être composites, associant plusieurs mousses de densités différentes, voire être réalisés en un matériau absorbeur de chocs.In the same way, the
D'autres variantes et modes de réalisation de l'invention peuvent être envisagés sans sortir du cadre de ses revendications. Ainsi, d'autres formes de découpes antérieures des coques 3 et 11 peuvent être réalisées, notamment du type décrit dans le document
Claims (15)
- Orthopaedic module (1) for producing orthopaedic insoles, by means of thermoforming comprising a multilayer complex associating in the following order in separate form or in pre-bonded form:- a first rigid or semi-rigid shell (11), intended to provide the orthopaedic insole with support;- said first shell (11) having an anterior V-shaped indentation (13), wherein the end (14) of the inner branch is situated in the vicinity of the first metatarsal neck, wherein the end (15) of the outer branch is situated in the vicinity of the fifth metatarsal neck, and wherein the posterior edge (16) is substantially situated in the vicinity of the posterior midpoint of the medial metatarsals,- a top surface (21), in the form of an intact or indented insole with an anterior edge situated substantially at the anterior boundary of the anterior heel, and intended to separate the foot from said first shell (11),
characterised in that it comprises at least one second rigid or semi-rigid shell (3) intended to provide the orthopaedic insole with support, having a contour of substantially the same shape as that of the first, but having smaller dimensions than the first and being adjacent to said first shell (11). - Module according to claim 1, characterised in that it comprises a lower base (2), intact or indented, and in this alternative wherein the anterior edge situated in the vicinity of the anterior boundary of the anterior heel, intended to come into contact with the insole sock of the shoe suitable for receiving the orthopaedic insole, said lower base (2) being arranged in the vicinity of said first rigid or semi-rigid shell (11).
- Module according to one of claims 1 or 2, characterised in that the edge of said second shell (3) is set back from the edge of the first shell (11) on the periphery thereof by a distance greater than or equal to the thickness of said second shell (3).
- Module according to claim 3, characterised in that the second posterior edge (8) of the second anterior V-shaped indentation (5) of said second shell is situated set back from the rest of the contour thereof relative to the corresponding parts of the contour of the first shell (11).
- Module according to claim 4, characterised in that the second posterior edge (8) of the second anterior indentation (5) of said second shell (3) is situated set back by a distance between 5 and 15 mm, preferably 10 mm relative to the posterior edge (16) of the anterior V-shaped indentation (13) of said first shell (11).
- Module according to one of the above claims, characterised in that at least one of said first shell (11) or second shell (3) comprises a recess (4, 12) at the heel area, for receiving plantar calcaneal tuberosities.
- Module according to claim 6, characterised in that said first shell (11) comprises a first recess (12) at the heel area and said second shell (3) comprises a second recess (4) at the heel and in that the contours of said recesses are overlaid but with offset edges.
- Module according to claim 7, characterised in that the contour of said second recesses (4) has the same shape, but smaller dimensions than the contour of said first recess (12).
- Module according to one of claims 7 or 8, characterised in that said recess (4, 12) are filled at least in part by a cushion (20) made of a damping or shock-absorbing material.
- Module according to one of the above claims, characterised in that it comprises an element made of a hook and loop type fabric arranged such that it protrudes at the lower face of said lower base (2).
- Module according to claim 10, characterised in that said element is an insert arranged in a recess of the base, said recess being created at the heel.
- Module according to one of the above claims, characterised in that said first shell is completed beyond the anterior V-shaped indentation (13) by an anterior base (19), made of a material of different hardness, and having a complementary posterior edge with said indentation.
- Module according to one of the above claims, characterised in that at least one of said first shell (11) or second shell (3) comprises a first slot (22, 24) situated substantially in the median part of the outer edge thereof and a second slot (23, 25) situated substantially in the median part of the inner edge thereof.
- Module according to one of the above claims, characterised in that it has at the outer edge thereof a concavity (9, 17) situated substantially facing the styloid process, this concavity being associated with a protuberance (10, 18) situated just to the rear, so as to give the hind-foot greater stability.
- Orthopaedic insole characterised in that it comprises a module according to one of the above claims.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10704385T PL2381809T3 (en) | 2009-01-19 | 2010-01-19 | Orthopedic module |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0900220A FR2941135B1 (en) | 2009-01-19 | 2009-01-19 | ORTHOPEDIC MODULE |
PCT/FR2010/000043 WO2010081974A1 (en) | 2009-01-19 | 2010-01-19 | Orthopaedic module |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2381809A1 EP2381809A1 (en) | 2011-11-02 |
EP2381809B1 true EP2381809B1 (en) | 2015-03-11 |
Family
ID=41111026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10704385.3A Not-in-force EP2381809B1 (en) | 2009-01-19 | 2010-01-19 | Orthopedic module |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP2381809B1 (en) |
BR (1) | BRPI1007055A2 (en) |
DK (1) | DK2381809T3 (en) |
ES (1) | ES2537231T3 (en) |
FR (1) | FR2941135B1 (en) |
PL (1) | PL2381809T3 (en) |
PT (1) | PT2381809E (en) |
TN (1) | TN2011000348A1 (en) |
WO (1) | WO2010081974A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107397298A (en) * | 2017-08-29 | 2017-11-28 | 成都三乙医疗科技有限公司 | A kind of deodorizing shoe-pad |
FR3080007B1 (en) * | 2018-04-13 | 2020-03-13 | Nathalie Palkowski | FLEXIBLE INNER SOLE FOR FOOTWEAR AND ORTHOPEDIC SHOE COMPRISING SUCH SOLE |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2782613B1 (en) * | 1998-09-01 | 2000-11-03 | Podo Concept | MODULE FOR THE PRODUCTION BY THERMOFORMING OF PODOLOGICAL ORTHESES, INSTALLATION FOR THE IMPLEMENTATION OF SUCH A MODULE AND METHOD FOR THE PRODUCTION OF PODOLOGICAL ORTHESES |
DE19948545A1 (en) * | 1999-10-08 | 2001-04-12 | Globus Berkemann Gmbh & Co Kg | Orthopedic shoe insert |
SE516413C2 (en) * | 2000-05-24 | 2002-01-15 | Balkefors Support Ab | Topic for the preparation of footwear inserts with foot-shaped shape |
KR100470905B1 (en) * | 2003-12-16 | 2005-03-14 | 박종배 | customizing fitting insole and menufacturing method |
-
2009
- 2009-01-19 FR FR0900220A patent/FR2941135B1/en active Active
-
2010
- 2010-01-19 BR BRPI1007055A patent/BRPI1007055A2/en not_active Application Discontinuation
- 2010-01-19 EP EP10704385.3A patent/EP2381809B1/en not_active Not-in-force
- 2010-01-19 PL PL10704385T patent/PL2381809T3/en unknown
- 2010-01-19 PT PT107043853T patent/PT2381809E/en unknown
- 2010-01-19 DK DK10704385.3T patent/DK2381809T3/en active
- 2010-01-19 WO PCT/FR2010/000043 patent/WO2010081974A1/en active Application Filing
- 2010-01-19 ES ES10704385.3T patent/ES2537231T3/en active Active
-
2011
- 2011-07-13 TN TN2011000348A patent/TN2011000348A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
DK2381809T3 (en) | 2015-05-11 |
PT2381809E (en) | 2015-06-22 |
FR2941135A1 (en) | 2010-07-23 |
TN2011000348A1 (en) | 2013-03-27 |
PL2381809T3 (en) | 2015-07-31 |
EP2381809A1 (en) | 2011-11-02 |
ES2537231T3 (en) | 2015-06-03 |
WO2010081974A1 (en) | 2010-07-22 |
BRPI1007055A2 (en) | 2016-02-10 |
FR2941135B1 (en) | 2011-01-14 |
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