EP0552590A1 - Orthopaedic shoe - Google Patents
Orthopaedic shoe Download PDFInfo
- Publication number
- EP0552590A1 EP0552590A1 EP92830496A EP92830496A EP0552590A1 EP 0552590 A1 EP0552590 A1 EP 0552590A1 EP 92830496 A EP92830496 A EP 92830496A EP 92830496 A EP92830496 A EP 92830496A EP 0552590 A1 EP0552590 A1 EP 0552590A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sole
- foot
- heel
- sector
- calcaneus
- 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.)
- Granted
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Classifications
-
- 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
- A43B7/141—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 having an anatomical or curved form
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B21/00—Heels; Top-pieces or top-lifts
- A43B21/24—Heels; Top-pieces or top-lifts characterised by the constructive form
- A43B21/32—Resilient supports for the heel of the foot
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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
- A43B7/142—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 medial arch, i.e. under the navicular or cuneiform bones
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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
- A43B7/1405—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
- A43B7/146—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 provided with acupressure points or means for foot massage
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
Description
La présente invention concerne une chaussure orthopédique, en particulier pour les patients atteints de laxités articulaires et pour les porteurs de prothèses de la hanche.The present invention relates to an orthopedic shoe, in particular for patients with joint laxity and for wearers of hip prostheses.
Il est connu que de nombreux tableaux pathologiques du membre inférieur, tels que la pathologie de la partie centrale du pied, de la partie arrière du pied, de la jambe, du genou et du fémur, peuvent tirer avantage de l'amortissement de la charge exercée sur le calcanéum et sur la plante du pied pendant la déambulation ou la course.It is known that many pathological pictures of the lower limb, such as the pathology of the central part of the foot, the rear part of the foot, the leg, the knee and the femur, can take advantage of the cushioning of the load. exerted on the calcaneus and on the sole of the foot during walking or running.
En effet, chez les patients atteints de laxités articulaires, le déchargement du poids corporel à travers les surfaces d'appui du pied, en l'absence de facteurs amortisseurs, provoque un affaissement de la plante du pied et la pronation du calcanéum, ce qui provoque la formation d'un pied plat avec pronation, qui est la cause de innombrables troubles aussi bien de nature physiologique que psychologique.
Tout comme il est également connu que les prothèses de hanche fixées dans le bassin avec des agents de cémentation tendent à bouger en raison de la désagrégation des agents de cémentation, à cause des vibrations transmises à l'acétabule par les membres inférieurs au cours de la déambulation.Indeed, in patients with joint laxity, the discharge of body weight through the bearing surfaces of the foot, in the absence of damping factors, causes sagging of the sole and pronation of the calcaneus, which causes the formation of a flat foot with pronation, which is the cause of innumerable disorders of both physiological and psychological nature.
Just as it is also known that hip prostheses fixed in the pelvis with cementing agents tend to move due to the disintegration of the cementing agents, due to the vibrations transmitted to the acetabulum by the lower limbs during the wandering.
De plus, en cas de fracture du calcanéum, os sur lequel - comme cela est bien connu - est déchargé 75% du poids du corps pendant la déambulation, il s'ensuit de très graves problèmes d'appui pour le pied et de longues périodes de rééducation sont nécessaires avant que le patient puisse recouvrer une capacité de déambulation normale.
De la même manière, la formation d'épines du calcanéum, genre d'ossifications en forme d'aiguilles qui se produisent au-dessous du calcanéum, provoque de violentes réactions douloureuses au moment de l'appui du pied sur le sol.In addition, in the event of a calcaneus fracture, bone on which - as is well known - is discharged 75% of the body weight during the ambulation, this results in very serious problems of support for the foot and long periods Rehabilitation is necessary before the patient can regain normal walking ability.
In the same way, the formation of thorns of the calcaneus, a kind of ossification in the shape of needles which occur below the calcaneus, provokes violent painful reactions when the foot is pressed on the ground.
Enfin, la fracture de la jambe et celle du fémur se consolident souvent avec un retard considérable par rapport à la normale, et donc l'impact du pied sur le sol doit être seulement partiel ou même évité car, dans le cas contraire, il se peut que les fractures se reproduisent.
Dans les cas de fractures décrits, le processus physiologique de réparation est fortement entravé, non seulement par l'impact brusque du pied sur le sol, mais aussi et surtour à cause des vibrations transmises à l'ensemble du membre inférieur au moment de l'impact.Finally, the fracture of the leg and that of the femur often consolidate with a considerable delay compared to normal, and therefore the impact of the foot on the ground must be only partial or even avoided because, otherwise, it is the fractures may recur.
In the cases of fractures described, the physiological repair process is greatly hampered, not only by the sudden impact of the foot on the ground, but also and above all because of the vibrations transmitted to the entire lower limb at the time of the impact.
De même, l'arthrose de la hanche, du genou et de la cheville subissent une aggravation progressive si le pied est appuyé sur le sol de manière normale, c'est-à-dire sans que le choc ne soit amorti.Likewise, osteoarthritis of the hip, knee and ankle undergoes progressive aggravation if the foot is pressed on the ground in a normal manner, that is to say without the shock being absorbed.
Il est connu d'après le brevet US 4928404, un coussinet pour talon, en caoutchouc siliconé, qui est destiné à être installé dans une chaussure traditionnelle, en correspondance du talon, sous le calcanéum de l'utilisateur.
Mais les inconvénients qui découlent de ce coussinet pour talon connu consistent essentiellement dans le fait la seule partie du pied concernée par l'action d'amortissement est le calcanéum, et par conséquent, aucune action n'est exercée sur la plante du pied pour permettre son massage et son éventuel remodelage, comme cela est nécessaire dans les processus de rééducation des membres inférieurs dans la plupart des cadres pathologiques illustrés précédemment.It is known from US Pat. No. 4,928,404, a heel pad, made of silicone rubber, which is intended to be installed in a traditional shoe, in correspondence with the heel, under the user's calcaneus.
But the drawbacks which arise from this known heel pad essentially consist in the fact that the only part of the foot concerned by the damping action is the calcaneus, and consequently, no action is exerted on the sole of the foot to allow its massage and its possible reshaping, as is necessary in the processes of reeducation of the lower limbs in most of the pathological settings illustrated above.
On conna t également des chaussures munies d'èléments élastiques à élasticité linéaire, comme, par exemple, des ressorts en acier, installés à l'intérieur du talon dans le but de le rendre élastique.
Mais les inconvénients qui dérivent de ces chaussures connues équipées de ressort insérés dans le talon consistent essentiellement dans le fait que pendant la phase de déchargement, c'est-à-dire lorsque le pied est soulever du sol, les ressorts restituent intégralement l'énergie élastique accumulée en phase de chargement, c'est-à-dire lorsque le pied est appuyé sur le sol, et par conséquent, la réaction exercée par le sol sur le pied d'appui n'est pas amortie, mais est retransmise inchangée sur le membre inférieur de soutien. Même avec ces chaussures, pendant la déambulation, tout le poids de la personne repose sur le calcanéum, c'est-à-dire qu'elle rend les chaussures de ce type inadaptées au massage et/ou au remodelage de la plante du pied.
La présente invention a pour but principal d'éliminer les inconvénients précités et d'obtenir une répartition de charge, amortie, sur le calcanéum du pied et simultanément sur la plante du pied, lorsque le pied est appuyé sur le sol.There are also known shoes provided with elastic elements with linear elasticity, such as, for example, steel springs, installed inside the heel in order to make it elastic.
But the drawbacks which derive from these known shoes fitted with a spring inserted in the heel essentially consist in the fact that during the unloading phase, that is to say when the foot is lifted from the ground, the springs fully restore the energy elastic accumulated during the loading phase, that is to say when the foot is pressed on the ground, and consequently, the reaction exerted by the ground on the supporting foot is not damped, but is retransmitted unchanged on the lower limb of support. Even with these shoes, during the walk, the whole weight of the person rests on the calcaneus, that is to say that it makes shoes of this type unsuitable for massage and / or reshaping of the sole of the foot.
The main object of the present invention is to eliminate the aforementioned drawbacks and to obtain a damped load distribution on the calcaneus of the foot and simultaneously on the sole of the foot when the foot is supported on the ground.
Ce résultat a été atteint conformément à la présente invention en adoptant l'idée de réaliser une chaussure orthopédique qui est munie, entre le fond et la semelle plantaire, d'un élément intercalaire en silicone qui s'étend du talon vers la pointe jusqu'à la fin de la plante du pied, avec une cavité annulaire en correspondance du talon, destinée à délimiter un élément cylindrique de soutien pour le calcanéum et avec deux reliefs latéraux longitudinaux en correspondance de la partie médiane de la chaussure, pour le soutien de la plante du pied.This result has been achieved in accordance with the present invention by adopting the idea of making an orthopedic shoe which is provided, between the bottom and the sole, with a silicone insert which extends from the heel to the toe. at the end of the sole, with an annular cavity corresponding to the heel, intended to delimit a cylindrical support element for the calcaneus and with two longitudinal lateral reliefs in correspondence with the middle part of the shoe, for the support of the sole.
Les avantages obtenus grâce à la présente invention consistent essentiellement en ce que l'appui du pied sur le sol est amorti; que les vibrations transmises aux membres inférieurs et au bassin sont amorties; que la plante du pied du patient est - à chaque pas - soumise à une légère action répartie de poussée vers le haut.
Ces avantages et caractéristiques de l'invention ainsi que d'autres seront plus et mieux compris de chaque homme du métier à la lumière de la description qui va suivre et à l'aide des dessins annexés donnés à titre d'exemplification pratique de l'invention, mais à ne pas considérer dans le sens limitatif; dessins sur lesquels la FIG. 1 représente une vue en coupe longitudinale médiane d'une chaussure conformément à l'invention, avec tout le pied en appui sur le sol; la FIG. 2 représente la vue en coupe suivant la ligne A-A de la Fig. 1; la FIG. 3 représente la vue en coupe suivant la ligne B-B de la Fig. 1; la FIG. 4 représente une vue en coupe longitudinale médiane de la chaussure de la Fig. 1 avec le pied en appui sur le sol en correspondance de la pointe du talon; la FIG. 5 représente une variante de la vue en coupe suivant la ligne A-A de la Fig. 1.The advantages obtained thanks to the present invention essentially consist in that the support of the foot on the ground is absorbed; that the vibrations transmitted to the lower limbs and to the pelvis are damped; that the sole of the patient's foot is - at each step - subjected to a slight distributed pushing action upwards.
These advantages and characteristics of the invention as well as others will be more and better understood by each person skilled in the art in the light of the description which follows and with the aid of the appended drawings given by way of practical example of the invention, but not to be considered in the limiting sense; drawings in which FIG. 1 shows a view in median longitudinal section of a shoe according to the invention, with the whole foot resting on the ground; FIG. 2 shows the sectional view along line AA of FIG. 1; FIG. 3 shows the sectional view along line BB of FIG. 1; FIG. 4 represents a view in median longitudinal section of the shoe of FIG. 1 with the foot resting on the ground in correspondence with the point of the heel; FIG. 5 shows a variant of the sectional view along the line AA of FIG. 1.
Réduite à sa structure essentielle et en référence aux figures 1-4 des dessins annexés, une chaussure orthopédique selon l'invention et comprenant un fond plat (2) avec une semelle plantaire (3) est munie d'un élément intercalaire (1) en silicone qui est placé entre le fond (2) et la semelle plantaire (3) et s'étend du talon (7) vers la pointe de la chaussure jusqu'à la fin de la plante du pied, et qui est constitué:
- en correspondance du talon (7), par un secteur (8) encastré dans le talon et avec la surface supérieure plane et dans lequel est prévue une cavité annulaire (4), ouverte par le haut, destinée à délimiter - à l'intérieur - un corps cylindrique (5) de soutien du talon, lequel est uni par sa base inférieure audit secteur (8) de l'élément intercalaire (1) et par sa base supérieure à la semelle plantaire (3) qui est réalisée en matériau souple et partiellement élastique;
- et en correspondance de la partie médiane de la chaussure: par deux reliefs (6,60) longitudinaux placés, respectivement, le long des côtés interne et externe de la chaussure.
- in correspondence with the heel (7), by a sector (8) embedded in the heel and with the flat upper surface and in which is provided an annular cavity (4), open from the top, intended to delimit - inside - a cylindrical body (5) supporting the heel, which is united by its lower base to said sector (8) of the midsole (1) and by its upper base to the sole (3) which is made of flexible and partially elastic material;
- and in correspondence of the middle part of the shoe: by two longitudinal reliefs (6,60) placed, respectively, along the internal and external sides of the shoe.
Avantageusement, conformément à l'invention, le corps (5) du secteur (8) qui est destiné à se trouver au-dessous du calcanéum (9) et à supporter le poids maximum du patient au moment de la pression sur le talon - pendant la déambulation - a un diamètre extérieur inférieur au diamètre intérieur de la cavité (4) de quelques mm, de manière que, en présence de la charge, il puisse se déformer librement en hauteur et en largeur sans être entravé par la zone du secteur qui l'entoure.
En alternative, conformément à l'invention et en référence à la Fig. 5 des dessins annexés, ledit corps (5) du secteur (8) est de forme tronconique à axe vertical avec la grande base placée en haut ou en base, et de préférence avec un trou (50) axial borgne, c'est-à-dire débouchant uniquement vers le bas.Advantageously, according to the invention, the body (5) of the sector (8) which is intended to be below the calcaneus (9) and to support the maximum weight of the patient at the time of the pressure on the heel - during wandering - has an outside diameter smaller than the inside diameter of the cavity (4) by a few mm, so that, in the presence of the load, it can deform freely in height and width without being hampered by the area of the sector which surrounds him.
Alternatively, in accordance with the invention and with reference to FIG. 5 of the accompanying drawings, said body (5) of the sector (8) is of frustoconical shape with a vertical axis with the large base placed at the top or at the base, and preferably with a blind axial hole (50), that is to say - say opening only downwards.
En outre, conformément à l'invention, la surface (80) du secteur (8) qui délimite la cavité (4) est aventageusement munie de deux saillies annulaires (81) qui, lorsque le corps (5) et la zone du secteur (8) qui l'entoure sont sous la charge du pied, augmentent la résistance à la déformation horizontale dudit secteur (8) de manière que cette déformation soit progressive et plus lente.Furthermore, in accordance with the invention, the surface (80) of the sector (8) which delimits the cavity (4) is advantageously provided with two annular projections (81) which, when the body (5) and the zone of the sector (8) which surrounds it are under the load of the foot, increase the resistance to the horizontal deformation of said sector (8) so that this deformation is progressive and slower.
De la même manière, conformément à l'invention, les deux reliefs longitudinaux latéraux (6,60) sont de longueur égale ou différente, mais de hauteur différente pour tenir compte de la conformation naturelle, c'est-à-dire de la courbure, de la plante du pied (10), laquelle présente une flèche plus importante en correspondance du côté interne du pied.In the same way, in accordance with the invention, the two lateral longitudinal reliefs (6.60) are of equal or different length, but of different height to take account of the natural conformation, that is to say of the curvature , of the sole of the foot (10), which has a larger arrow corresponding to the inner side of the foot.
Le fonctionnement d'une chaussure conforme à l'invention, pendant la déambulation, est le suivant. En amenant la jambe vers l'avant, lorsque la pointe du talon appuie sur le sol, alors que le calcanéum (9) appuie sur le secteur (8) de l'élément intercalaire (1) avec une charge qui augmente rapidement, celui-ci s'abaisse vers l'intérieur du talon car le corps (5) se déforme en diminuant de hauteur et en augmentant en largeur, avec un effet de freinage qui augmente progressivement avec la charge. Lorsque la charge cesse, le corps (5) se soulève en retournant dans la configuration initiale en dissipant de l'énergie par hystérésis élastique, de sorte que la réaction du sol est transmise elle aussi amortie au membre inférieur.
En outre, à chaque abaissement du calcanéum sous l'effet de l'affaissement du corps (5), les reliefs (6,60) de l'élément intercalaire (1) réalisent un appui rigide pour la plante (10) du pied, ce qui permet d'entra ner une stimulation sanguine efficace dans les vaisseaux de la plante du pied et son éventuel remodelage.The operation of a shoe according to the invention, during the wandering, is as follows. By bringing the leg forward, when the point of the heel presses on the ground, while the calcaneus (9) presses on the sector (8) of the intermediate element (1) with a rapidly increasing load, this- it is lowered towards the inside of the heel because the body (5) deforms by decreasing in height and increasing in width, with a braking effect which gradually increases with the load. When the load ceases, the body (5) lifts up, returning to the initial configuration by dissipating energy by elastic hysteresis, so that the reaction of the soil is also transmitted to the lower limb.
In addition, each time the calcaneus is lowered due to the collapse of the body (5), the reliefs (6.60) of the intermediate element (1) provide rigid support for the sole (10) of the foot, which allows effective blood stimulation in the vessels of the sole of the foot and its possible reshaping.
Claims (6)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITFI920019 | 1992-01-24 | ||
| ITFI920019A IT1259427B (en) | 1992-01-24 | 1992-01-24 | Orthopaedic shoe |
| CA002088121A CA2088121A1 (en) | 1992-01-24 | 1993-01-26 | Orthopedic shoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0552590A1 true EP0552590A1 (en) | 1993-07-28 |
| EP0552590B1 EP0552590B1 (en) | 1997-08-06 |
Family
ID=25675846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92830496A Expired - Lifetime EP0552590B1 (en) | 1992-01-24 | 1992-09-16 | Orthopaedic shoe |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP0552590B1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE115872C (en) * | ||||
| GB743189A (en) * | 1952-11-06 | 1956-01-11 | Purali Ltd | Improvements in or relating to shoes for personal wear |
| FR1339493A (en) * | 1961-11-24 | 1963-10-04 | Hoffmann Gmbh Gustav | Footwear insole, preferably glue on the inside |
| DE1899349U (en) * | 1964-04-13 | 1964-08-20 | Fr Alfred Boehme | HEEL WITH DEVICE AGAINST HEEL SPORTS - DISEASES. |
| DE7430691U (en) * | 1974-09-12 | 1974-12-12 | Boehme A | Device for preventing heel spur disease |
| EP0323611A2 (en) * | 1988-01-08 | 1989-07-12 | Bauerfeind GmbH & Co. | Heel cushion |
-
1992
- 1992-09-16 EP EP92830496A patent/EP0552590B1/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE115872C (en) * | ||||
| GB743189A (en) * | 1952-11-06 | 1956-01-11 | Purali Ltd | Improvements in or relating to shoes for personal wear |
| FR1339493A (en) * | 1961-11-24 | 1963-10-04 | Hoffmann Gmbh Gustav | Footwear insole, preferably glue on the inside |
| DE1899349U (en) * | 1964-04-13 | 1964-08-20 | Fr Alfred Boehme | HEEL WITH DEVICE AGAINST HEEL SPORTS - DISEASES. |
| DE7430691U (en) * | 1974-09-12 | 1974-12-12 | Boehme A | Device for preventing heel spur disease |
| EP0323611A2 (en) * | 1988-01-08 | 1989-07-12 | Bauerfeind GmbH & Co. | Heel cushion |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0552590B1 (en) | 1997-08-06 |
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