EP1221332A2 - Apparatus for ankle rehabilitation - Google Patents

Apparatus for ankle rehabilitation Download PDF

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Publication number
EP1221332A2
EP1221332A2 EP02354001A EP02354001A EP1221332A2 EP 1221332 A2 EP1221332 A2 EP 1221332A2 EP 02354001 A EP02354001 A EP 02354001A EP 02354001 A EP02354001 A EP 02354001A EP 1221332 A2 EP1221332 A2 EP 1221332A2
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EP
European Patent Office
Prior art keywords
base
patient
movement
ankle
heel
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
Application number
EP02354001A
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German (de)
French (fr)
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EP1221332A3 (en
EP1221332B1 (en
Inventor
Pascal Didier Toschi
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CENTRE D'EVALUATION ET DE READAPTATION SPORTIVE: C
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Pascal Didier Toschi
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Publication of EP1221332A2 publication Critical patent/EP1221332A2/en
Publication of EP1221332A3 publication Critical patent/EP1221332A3/en
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Publication of EP1221332B1 publication Critical patent/EP1221332B1/en
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/04Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
    • A63B23/08Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs for ankle joints
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02Stretching or bending or torsioning apparatus for exercising
    • A61H1/0237Stretching or bending or torsioning apparatus for exercising for the lower limbs
    • A61H1/0266Foot
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40Interfaces with the user related to strength training; Details thereof
    • A63B21/4001Arrangements for attaching the exercising apparatus to the user's body, e.g. belts, shoes or gloves specially adapted therefor
    • A63B21/4011Arrangements for attaching the exercising apparatus to the user's body, e.g. belts, shoes or gloves specially adapted therefor to the lower limbs
    • A63B21/4015Arrangements for attaching the exercising apparatus to the user's body, e.g. belts, shoes or gloves specially adapted therefor to the lower limbs to the foot
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/18Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with elements, i.e. platforms, having a circulating, nutating or rotating movement, generated by oscillating movement of the user, e.g. platforms wobbling on a centrally arranged spherical support
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02Stretching or bending or torsioning apparatus for exercising
    • A61H1/0218Drawing-out devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16Physical interface with patient
    • A61H2201/1602Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/164Feet or leg, e.g. pedal
    • A61H2201/1642Holding means therefor
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/18Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with elements, i.e. platforms, having a circulating, nutating or rotating movement, generated by oscillating movement of the user, e.g. platforms wobbling on a centrally arranged spherical support
    • A63B2022/185Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with elements, i.e. platforms, having a circulating, nutating or rotating movement, generated by oscillating movement of the user, e.g. platforms wobbling on a centrally arranged spherical support specially adapted for using with a single foot or hand
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/02Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A63B21/045Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters having torsion or bending or flexion element
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/09Adjustable dimensions

Definitions

  • the invention is in the field of medical techniques, and it relates to a ankle rehabilitation device.
  • a base supporting a support in a ball-and-socket joint shaped in particular as a tray.
  • the base is designed to rest on the ground, while the tray is designed to support the patient's foot at rest.
  • These devices are intended to cause omnidirectional movements of the patient's ankle, from pushes exerted by the patient with his foot on the set. These movements aim to solicit the muscles which stabilizes the ankle, causing an imbalance in the support that the patient on the set, from inclinations taken by the latter relative to on the ground. This results in an overall muscular stiffness of the ankle, in order to allow control of the three dorsal and plantar flexion movements, pronosupination and rotation.
  • Document US 4605220 relates to a mechanism for re-education of the ankle in which the entire foot is trapped in a plate mounted on shock absorbers, and orientable in two orthogonal directions. It is impossible for the patient to be able to walk with this mechanism which remains anchored on the ground.
  • the document FR 2521435 describes an exerciser device for ankles, comprising a plantar support sole secured to an oscillating device constituted by a sphere with multidirectional movement. It is used exclusively in the seated position, the legs being vertical.
  • the object of the present invention is to provide an apparatus for the ankle rehabilitation, the structure of which remedies these drawbacks. More particularly, such an apparatus aims to induce ankle work which is related to its anatomy and its natural freedoms of movement, the rehabilitation taking place when the patient is walking with the device attached to each heel.
  • the inventive step of the present invention consisted in proposing a ankle rehabilitation device, which is arranged so as to force the ankle to work in a certain way around a position balance correlated with its anatomy and with protection satisfactory muscle.
  • This apparatus is further arranged to make work the ankle with omni-directional movements guided around of directions determined in the sagittal plane and the horizontal plane, in relationship with the different sprain mechanisms and the anatomy of the ankle.
  • the apparatus for the rehabilitation of the ankle comprises a support for the patient's foot, connected by a joint to a base.
  • the support for the patient's foot comprises an astragalar seat arranged to receive the patient's heel, said seat being extended by a protective ankle cover.
  • the articulation is arranged to allow freedom of movement of the astragalar seat with an authorized travel corresponding to the sub-astragalian articulation of the patient, said movement of the astragalar seat being guided around at least one directional axis oriented by relative to the axis A of extension of the support of the foot in the sagittal plane S at an angle A1 of between 10 ° and 50 °.
  • the movement of the astragalar base (12) can be guided secondly with respect to the horizontal plane H at an angle A2 between 12 ° and 35 °.
  • the support for the patient's foot is shaped into a shoe, boot or the like, supported by the base via the heel.
  • the articulated connection between the support and the base is preferably obtained by means of an ogival-shaped element supported by the base.
  • This ogival element is housed in a ball joint in a housing of complementary shape formed the astragalian seat.
  • Other types of ball joints can be used, provided that the inclined orientation takes place in the sagittal plane and in the horizontal plane along the respective angles A1 and A2 . It will be noted that the values of suitable angles are respectively for A1 of the order of 45 ° and for A2 of the order of 30 °.
  • the ogival articulation element is connected to the base so fixed by means of a vertical axis, the corresponding housing, as for him, being formed inside the heel of the shoe, so that the articulated connection between the base and the shoe results from a heel of the shoe around the bearing surface of the ogival element, which is fixed.
  • the heel of the shoe is advantageously obtained by molding a plastic material.
  • the conical shape of the articulation element and of the housing complementary preferably has a tapered portion, which is oriented towards the front of the talus and upwards relative to the ground.
  • the ball joint can be replaced by an oriented pivot axis according to angle A1, or by a deformable connecting piece coming from molding plastic with the bootie.
  • the apparatus advantageously includes adjustment means. the movement of the talus base relative to the ground, to allow to adapt to the desired mobility of the ankle, both in varus and in valgus than back and forth.
  • adjustment means of the stop type in particular, for example consist of a set of interchangeable shims interposed between the support and the base, or equivalently between the support and the floor according to the size of the base on the floor.
  • the base is preferably shaped according to the projection on the ground the conformation of the astragalar base, and therefore more particularly is shaped like a shoe heel.
  • the height position of the astragalar base relative to the ground is adjustable, between two extreme positions in particular. One of these positions corresponds to a low position, for work by the patient with the foot resting and for walking exercises, and a high position for exercises jump.
  • the vertical axis of connection of the support to the base is a threaded rod which cooperates with an internal thread made in any one of the support and the base, and preferably in the latter.
  • an apparatus for rehabilitating the ankle comprises a base 2 connected to a boot 4 via a ball joint 6.8.
  • This articulation comprises a male element 6 supported by the base 2 by means of a threaded rod 10.
  • This male element 6 is received at the interior of a recess 8 of complementary shape formed inside the heel 12 of boot 4. It follows that boot 4 is articulated so omnidirectional on the base 2 via its heel 12.
  • the ball joint 6,8 is organized so as to limit the freedom of movement of the boot 4 in space, and more particularly so as to force the ankle to work around an equilibrium position in correlation with the mechanisms. sprains.
  • the backward movement in front of the boot 4 for a right foot is carried out in positions respectively in valgus (figure 2) and in varus (figure 4).
  • the male element 6 is of ogival shape tapering towards the front, and penetrates inside a housing 8 of corresponding shape formed in the heel 12 of the boot 4.
  • This ogival element 6 is oriented, relative to the axis A of extension of the shoe, relative to the sagittal plane S at an angle A1 of the order of 45 ° and relative to the horizontal plane H , and more precisely in the rest plane of the base on the ground, at an angle A2 of the order of 30 °.
  • the articulation between the heel 12 and the base 2 is constituted by a pivot axis 20 instead of the ball joint according to the figures preceding.
  • the rectilinear axis 20 extends in an inclined direction making an angle A1 between 10 ° and 50 ° relative to the vertical axis A foot support extension 4.
  • Weight or elastic means can be arranged between the heel 12 and base 2 to maintain the parallelism between the sole of the shoe, and heel 12 during the patient's oscillating step during the market.
  • Figures 11 and 12 illustrate a one-piece structure produced by injection plastic of a boot 4 and a deformable connecting piece 22.
  • the bootie 4 is intended for receiving the hindfoot
  • the connecting piece 22 is several ribs 23, to allow movement of the varus.
  • the orientation of the connecting piece 22 is similar to that of the pivot axis of the Figures 8 to 10. It is also possible to mold in one piece the boot (4), the connecting piece (22) and the base (2).
  • the plastic connecting piece 24 injected with the boot 4 has a plurality of grooves 26, which are oriented by additional shims 28 to allow a predetermined multidirectional or unidirectional movement.

Abstract

L'invention a pour objet un appareil pour la rééducation de la cheville. Cet appareil comprend une chaussure ou analogue montée par une articulation (6,8) sur un socle (2). L'articulation est agencée pour autoriser une liberté de mouvement de l'assise astragalienne (12) avec un débattement autorisé correspondant à l'articulation sous-astragalienne du patient, ledit débattement de l'assise astragalienne étant guidé autour d'au moins un axe directionnel orienté par rapport à l'axe A d'extension du support du pied du patient dans le plan sagittal S suivant un angle A1 compris entre 10° et 50°.The invention relates to an apparatus for ankle rehabilitation. This device comprises a shoe or the like mounted by a joint (6,8) on a base (2). The articulation is arranged to allow freedom of movement of the talar seat (12) with an authorized clearance corresponding to the sub-talar joint of the patient, said clearance of the talar seat being guided around at least one axis directional oriented with respect to the axis A of extension of the patient's foot support in the sagittal plane S at an angle A1 between 10 ° and 50 °.

Description

L'invention est du domaine des techniques médicales, et elle a pour objet un appareil pour la rééducation de la cheville.The invention is in the field of medical techniques, and it relates to a ankle rehabilitation device.

On connaít des appareils destinés à la rééducation de la cheville, comprenant un socle supportant de manière articulée en rotule un support, conformé en plateau notamment. Le socle est prévu pour reposer au sol, tandis que le plateau est prévu pour supporter en repos le pied du patient. Ces appareils sont destinés à provoquer des mouvements omnidirectionnels de la cheville du patient, à partir de poussées exercées par celui-ci avec son pied sur le plateau. Ces mouvements visent à solliciter la musculature qui stabilise la cheville, en provoquant un déséquilibre de l'appui que prend le patient sur le plateau, à partir d'inclinaisons prises par ce dernier par rapport au sol. Il en découle une raideur musculaire globale de la cheville, afin de permettre un contrôle des trois mouvements de flexion dorsale et plantaire, de pronosupination et de rotation.We know devices for the rehabilitation of the ankle, comprising a base supporting a support in a ball-and-socket joint, shaped in particular as a tray. The base is designed to rest on the ground, while the tray is designed to support the patient's foot at rest. These devices are intended to cause omnidirectional movements of the patient's ankle, from pushes exerted by the patient with his foot on the set. These movements aim to solicit the muscles which stabilizes the ankle, causing an imbalance in the support that the patient on the set, from inclinations taken by the latter relative to on the ground. This results in an overall muscular stiffness of the ankle, in order to allow control of the three dorsal and plantar flexion movements, pronosupination and rotation.

Le document US 4605220 concerne un mécanisme de rééducation de la cheville dans lequel tout le pied est prisonnier d'une plaque montée sur des amortisseurs, et orientable selon deux directions orthogonales. Il est impossible que le patient puisse marcher avec ce mécanisme qui reste ancré au sol.Document US 4605220 relates to a mechanism for re-education of the ankle in which the entire foot is trapped in a plate mounted on shock absorbers, and orientable in two orthogonal directions. It is impossible for the patient to be able to walk with this mechanism which remains anchored on the ground.

Le document FR 2521435 décrit un dispositif exerciseur pour chevilles, comportant une semelle support plantaire solidaire d'un dispositif oscillant constitué par une sphère à débattement multidirectionnel. Il s'utilise exclusivement en position assise, les jambes étant verticales. The document FR 2521435 describes an exerciser device for ankles, comprising a plantar support sole secured to an oscillating device constituted by a sphere with multidirectional movement. It is used exclusively in the seated position, the legs being vertical.

Le document US 3782721 se rapporte à un dispositif d'entraínement ayant deux pédales montées par des tiges sur des rotules. Des boutons de réglage permettent d'ajuster le débattement des rotules. Le patient ne peut pas marcher avec ce dispositif.Document US 3782721 relates to a drive device having two pedals mounted by rods on ball joints. Adjustment buttons allow you to adjust the travel of the ball joints. The patient cannot walk with this device.

Les documents US 4306714, 5368536, et FR 2641183 mentionnent tous des dispositifs de rééducation dans lesquels une plaque orientable est dotée de sangles pour attacher tout le pied du patient. Ce dernier ne peut pas marcher avec ce dispositif, lequel reste solidarisé au sol.The documents US 4306714, 5368536, and FR 2641183 all mention rehabilitation devices in which an adjustable plate is provided with straps to attach the patient's entire foot. The latter cannot walk with this device, which remains secured to the ground.

Les mouvements de ces appareils connus ne prennent pas en compte les mécanismes spécifiques d'entorse de la cheville, ainsi que les facteurs de protection de cette articulation. Par ailleurs, le patient peut difficilement appréhender une position d'équilibre sur l'appareil. Il en découle un risque d'un travail musculaire de la cheville du patient qui ne soit pas correct, le travail de la cheville devant s'effectuer équitablement autour de cette position d'équilibre.The movements of these known devices do not take into account the specific ankle sprain mechanisms, as well as protection of this joint. Besides, the patient can hardly grasp a position of equilibrium on the device. There is a risk improper muscle work of the patient's ankle, the ankle work to be done fairly around this position balance.

Le but de la présente invention est de proposer un appareil pour la rééducation de la cheville, dont la structure remédie à ces inconvénients. Plus particulièrement, un tel appareil vise à induire un travail de la cheville qui soit en rapport avec son anatomie et ses libertés naturelles de mouvement, la rééducation s'effectuant lorsque le patient marche avec le dispositif fixé à chaque talon.The object of the present invention is to provide an apparatus for the ankle rehabilitation, the structure of which remedies these drawbacks. More particularly, such an apparatus aims to induce ankle work which is related to its anatomy and its natural freedoms of movement, the rehabilitation taking place when the patient is walking with the device attached to each heel.

La démarche inventive de la présente invention a consisté à proposer un appareil pour la rééducation de la cheville, qui est agencé de manière à contraindre la cheville à travailler de façon certaine autour d'une position d'équilibre en corrélation avec son anatomie et avec une protection musculaire satisfaisante. Cet appareil est en outre agencé pour faire travailler la cheville avec des mouvements omnidirectionnels guidés autour d'orientations déterminées dans le plan sagittal et le plan horizontal, en relation avec les différents mécanismes d'entorses et l'anatomie de la cheville.The inventive step of the present invention consisted in proposing a ankle rehabilitation device, which is arranged so as to force the ankle to work in a certain way around a position balance correlated with its anatomy and with protection satisfactory muscle. This apparatus is further arranged to make work the ankle with omni-directional movements guided around of directions determined in the sagittal plane and the horizontal plane, in relationship with the different sprain mechanisms and the anatomy of the ankle.

Selon la présente invention, l'appareil pour la rééducation de la cheville, comprend un support du pied du patient, relié par une articulation à un socle. Le support du pied du patient comprend une assise astragalienne agencée pour recevoir le talon du patient, ladite assise étant prolongée par une enveloppe de protection de la cheville. L'articulation est agencée pour autoriser une liberté de mouvement de l'assise astragalienne avec un débattement autorisé correspondant à l'articulation sous-astragalienne du patient, ledit débattement de l'assise astragalienne étant guidé autour d'au moins un axe directionnel orienté par rapport à l'axe A d'extension du support du pied dans le plan sagittal S suivant un angle A1 compris entre 10° et 50°.According to the present invention, the apparatus for the rehabilitation of the ankle comprises a support for the patient's foot, connected by a joint to a base. The support for the patient's foot comprises an astragalar seat arranged to receive the patient's heel, said seat being extended by a protective ankle cover. The articulation is arranged to allow freedom of movement of the astragalar seat with an authorized travel corresponding to the sub-astragalian articulation of the patient, said movement of the astragalar seat being guided around at least one directional axis oriented by relative to the axis A of extension of the support of the foot in the sagittal plane S at an angle A1 of between 10 ° and 50 °.

Selon une autre caractéristique de l'invention, le débattement de l'assise astragalienne (12) peut être guidé en deuxième lieu par rapport au plan horizontal H suivant un angle A2 compris entre 12° et 35°.According to another characteristic of the invention, the movement of the astragalar base (12) can be guided secondly with respect to the horizontal plane H at an angle A2 between 12 ° and 35 °.

Avantageusement, le support du pied du patient est conformé en chaussure, bottine ou analogue, supportée par le socle par l'intermédiaire du talon. Par ailleurs, la liaison articulée entre le support et le socle est préférentiellement obtenue par l'intermédiaire d'un élément de forme ogivale supporté par le socle. Cet élément ogival est logé en rotule dans un logement de forme complémentaire ménagé l'assise astragalienne. D'autres types de rotules peuvent être utilisées, à condition que l'orientation inclinée s'effectue dans le plan sagittal et dans le plan horizontal suivant les angles respectifs A1 et A2. On notera que les valeurs d'angles idoines sont respectivement pour A1 de l'ordre de 45° et pour A2 de l'ordre de 30°. Advantageously, the support for the patient's foot is shaped into a shoe, boot or the like, supported by the base via the heel. Furthermore, the articulated connection between the support and the base is preferably obtained by means of an ogival-shaped element supported by the base. This ogival element is housed in a ball joint in a housing of complementary shape formed the astragalian seat. Other types of ball joints can be used, provided that the inclined orientation takes place in the sagittal plane and in the horizontal plane along the respective angles A1 and A2 . It will be noted that the values of suitable angles are respectively for A1 of the order of 45 ° and for A2 of the order of 30 °.

De préférence, l'élément d'articulation ogival est relié au socle de manière fixe par l'intermédiaire d'un axe vertical, le logement correspondant, quant à lui, étant formé à l'intérieur du talon de la chaussure, de manière à ce que la liaison articulée entre le socle et la chaussure résulte d'un giissement du talon de la chaussure autour de la surface de portée de l'élément ogival, qui est fixe. On notera que le talon de la chaussure est avantageusement obtenu par moulage d'une matière plastique.Preferably, the ogival articulation element is connected to the base so fixed by means of a vertical axis, the corresponding housing, as for him, being formed inside the heel of the shoe, so that the articulated connection between the base and the shoe results from a heel of the shoe around the bearing surface of the ogival element, which is fixed. It will be noted that the heel of the shoe is advantageously obtained by molding a plastic material.

La conformation ogivale de l'élément d'articulation et du logement complémentaire comporte de préférence une partie effilée, qui est orientée vers l'avant de l'assise astragalienne et vers le haut par rapport au sol.The conical shape of the articulation element and of the housing complementary preferably has a tapered portion, which is oriented towards the front of the talus and upwards relative to the ground.

L'articulation à rotule peut être remplacée par un axe de pivotement orienté selon l'angle A1, ou par une pièce de liaison déformable venant de moulage plastique avec le bottillon.The ball joint can be replaced by an oriented pivot axis according to angle A1, or by a deformable connecting piece coming from molding plastic with the bootie.

Par ailleurs, l'appareil comporte avantageusement des moyens de réglage du débattement de l'assise astragalienne par rapport au sol, pour permettre d'adapter à la demande la mobilité souhaitée de la cheville, tant en varus et en valgus que d'avant en arrière. Ces moyens de réglage, du type butées notamment, sont par exemple constitués d'un jeu de cales interchangeables interposées entre le support et le socle, ou de manière équivalente entre le support et le sol selon l'encombrement du socle au sol. On notera à ce propos que le socle est de préférence conformé suivant la projection au sol de la conformation de l'assise astragalienne, et donc plus particulièrement est conformé en talon de chaussure.Furthermore, the apparatus advantageously includes adjustment means. the movement of the talus base relative to the ground, to allow to adapt to the desired mobility of the ankle, both in varus and in valgus than back and forth. These adjustment means, of the stop type in particular, for example consist of a set of interchangeable shims interposed between the support and the base, or equivalently between the support and the floor according to the size of the base on the floor. Note that About that the base is preferably shaped according to the projection on the ground the conformation of the astragalar base, and therefore more particularly is shaped like a shoe heel.

La position en hauteur de l'assise astragalienne par rapport au sol est réglable, entre deux positions d'extrême notamment. L'une de ces positions correspond à une position basse, pour un travail du patient pied en appui et pour des exercices de déambulation, et une position haute pour les exercices de saut. The height position of the astragalar base relative to the ground is adjustable, between two extreme positions in particular. One of these positions corresponds to a low position, for work by the patient with the foot resting and for walking exercises, and a high position for exercises jump.

Plus particulièrement et pour constituer les moyens de réglage susvisés, l'axe vertical de liaison du support au socle est une tige filetée laquelle coopère avec un filetage intérieur ménagé dans l'un quelconque du support et du socle, et préférentiellement dans ce dernier.More particularly and to constitute the abovementioned adjustment means, the vertical axis of connection of the support to the base is a threaded rod which cooperates with an internal thread made in any one of the support and the base, and preferably in the latter.

La présente invention sera mieux comprise et des détails en relevant apparaítront, à la description qui va en être faite d'une forme préférée de réalisation, en relation avec les figures des planches annexées, dans lesquelles :

  • la fig.1 est une vue de dessous en coupe d'un appareil selon une forme préférée de réalisation de l'invention ;
  • les fig.2 à fig.4 sont des vues arrières de l'appareil illustré sur la figure précédente, en différentes positions respectives ;
  • les fig.5 à fig.7 sont des vues de côté de l'appareil illustré sur les figures précédentes, en différentes positions respectives ;
  • la figure 8 est une vue de profil d'une variante de réalisation du dispositif selon l'invention ;
  • la figure 9 représente une vue en perspective de 3/4 arrière du dispositif de la figure 8 ;
  • la figure 10 montre une vue de dessous de la figure 8 ;
  • les figures 11 et 13 illustrent deux autres variantes avec des réalisations monobloc en plastique injectée ;
  • les figures 12 et 14 sont des vues de dessous des figures 11 et 13.
The present invention will be better understood and details will become apparent from the description which will be made of a preferred embodiment, in relation to the figures of the appended plates, in which:
  • Fig.1 is a bottom view in section of an apparatus according to a preferred embodiment of the invention;
  • fig.2 to fig.4 are rear views of the apparatus illustrated in the previous figure, in different respective positions;
  • fig.5 to fig.7 are side views of the apparatus illustrated in the preceding figures, in different respective positions;
  • Figure 8 is a side view of an alternative embodiment of the device according to the invention;
  • Figure 9 shows a rear 3/4 perspective view of the device of Figure 8;
  • Figure 10 shows a bottom view of Figure 8;
  • Figures 11 and 13 illustrate two other variants with one-piece embodiments of injected plastic;
  • Figures 12 and 14 are bottom views of Figures 11 and 13.

Sur les figures 1 à 7, un appareil pour la rééducation de la cheville comprend un socle 2 relié à un bottillon 4 par l'intermédiaire d'une articulation en rotule 6,8. Cette articulation comprend un élément mâle 6 supporté par le socle 2 par l'intermédiaire d'une tige filetée 10. Cet élément mâle 6 est reçu à l'intérieur d'un évidement 8 de forme complémentaire ménagé à l'intérieur du talon 12 du bottillon 4. Il en découle que le bottillon 4 est articulé de manière omnidirectionnelle sur le socle 2 par l'intermédiaire de son talon 12.In FIGS. 1 to 7, an apparatus for rehabilitating the ankle comprises a base 2 connected to a boot 4 via a ball joint 6.8. This articulation comprises a male element 6 supported by the base 2 by means of a threaded rod 10. This male element 6 is received at the interior of a recess 8 of complementary shape formed inside the heel 12 of boot 4. It follows that boot 4 is articulated so omnidirectional on the base 2 via its heel 12.

L'articulation en rotule 6,8 est organisée de manière à limiter la liberté de mouvement du bottillon 4 dans l'espace, et plus particulièrement de manière à contraindre la cheville à travailler autour d'une position d'équilibre en corrélation avec les mécanismes d'entorses. Le débattement d'arrière en avant du bottillon 4 pour un pied droit s'effectue dans des positions respectivement en valgus (figure 2) et en varus (figure 4). L'élément mâle 6 est de forme ogivale effilée vers l'avant, et pénètre à l'intérieur d'un logement 8 de forme correspondante ménagé dans le talon 12 du bottillon 4. Cet élément ogival 6 est orienté, par rapport à l'axe A d'extension de la chaussure, par rapport au plan sagittal S suivant un angle A1 de l'ordre de 45° et par rapport au plan horizontal H, et plus précisément dans le plan de repos du socle au sol, suivant un angle A2 de l'ordre de 30°.The ball joint 6,8 is organized so as to limit the freedom of movement of the boot 4 in space, and more particularly so as to force the ankle to work around an equilibrium position in correlation with the mechanisms. sprains. The backward movement in front of the boot 4 for a right foot is carried out in positions respectively in valgus (figure 2) and in varus (figure 4). The male element 6 is of ogival shape tapering towards the front, and penetrates inside a housing 8 of corresponding shape formed in the heel 12 of the boot 4. This ogival element 6 is oriented, relative to the axis A of extension of the shoe, relative to the sagittal plane S at an angle A1 of the order of 45 ° and relative to the horizontal plane H , and more precisely in the rest plane of the base on the ground, at an angle A2 of the order of 30 °.

On relèvera que cette structure permet, à partir d'une combinaison de mouvements latéraux et de mouvements d'avant en arrière, de faire travailler la cheville de manière rigoureuse et certaine, en varus (figures 4 et 7), en position neutre (figures 3 et 6) ou en valgus (figures 2 et 5).It will be noted that this structure allows, from a combination of lateral movements and back and forth movements, to make work the ankle in a rigorous and certain manner, in varus (Figures 4 and 7), in neutral position (Figures 3 and 6) or in valgus (Figures 2 and 5).

Sur les figures 8 à 10, l'articulation entre le talon 12 et le socle 2 est constituée par un axe de pivotement 20 au lieu de la rotule selon les figures précédentes. L'axe 20 rectiligne s'étend selon une direction inclinée faisant un angle A1 compris entre 10° et 50° par rapport à l'axe A vertical d'extension du support de pied 4.In FIGS. 8 to 10, the articulation between the heel 12 and the base 2 is constituted by a pivot axis 20 instead of the ball joint according to the figures preceding. The rectilinear axis 20 extends in an inclined direction making an angle A1 between 10 ° and 50 ° relative to the vertical axis A foot support extension 4.

Il est clair que d'autres types d'articulations peuvent être utilisées, notamment des rotules sphériques, des cardans, etc...It is clear that other types of joints can be used, including spherical ball joints, universal joints, etc ...

Des masselottes ou des moyens élastiques peuvent être agencés entre le talon 12 et le socle 2 pour conserver le parallélisme entre la semelle de la chaussure, et le talon 12 pendant le pas oscillant du patient lors de la marche.Weight or elastic means can be arranged between the heel 12 and base 2 to maintain the parallelism between the sole of the shoe, and heel 12 during the patient's oscillating step during the market.

Les figures 11 et 12 illustrent une structure monobloc réalisée par injection plastique d'un bottillon 4 et d'une pièce de liaison 22 déformable. Le bottillon 4 est destiné à la réception de l'arrière pied, et la pièce de liaison 22 est de plusieurs nervures 23, pour permettre le mouvement de varus. L'orientation de la pièce de liaison 22 est similaire à celle de l'axe de pivotement des figures 8 à 10. Il est également possible de mouler d'une seule pièce le bottillon (4), la pièce de liaison (22) et le socle (2).Figures 11 and 12 illustrate a one-piece structure produced by injection plastic of a boot 4 and a deformable connecting piece 22. The bootie 4 is intended for receiving the hindfoot, and the connecting piece 22 is several ribs 23, to allow movement of the varus. The orientation of the connecting piece 22 is similar to that of the pivot axis of the Figures 8 to 10. It is also possible to mold in one piece the boot (4), the connecting piece (22) and the base (2).

Sur la variante des figures 13 et 14, la pièce de liaison 24 en plastique injectée avec le bottillon 4, présente une pluralité de cannelures 26, lesquelles sont orientées par des cales 28 additionnelles pour autoriser un mouvement multidirectionnel ou unidirectionnel prédéterminé.In the variant of Figures 13 and 14, the plastic connecting piece 24 injected with the boot 4, has a plurality of grooves 26, which are oriented by additional shims 28 to allow a predetermined multidirectional or unidirectional movement.

Claims (11)

Appareil pour la rééducation de la cheville, comprenant un support du pied du patient, relié par une articulation à un socle (2) de repos de l'appareil au sol, caractérisé en ce que: le support du pied du patient comprend une assise astragalienne (12) agencée pour recevoir le talon du patient, ladite assise étant prolongée par une enveloppe (4) de protection de la cheville, l'articulation (6, 8, 20, 22, 24) est agencée pour autoriser une liberté de mouvement de l'assise astragalienne (12) avec un débattement autorisé correspondant à l'articulation sous-astragalienne du patient, ledit débattement de l'assise astragalienne étant guidé autour d'au moins un axe directionnel orienté par rapport à l'axe A d'extension du support du pied du patient dans le plan sagittal S suivant un angle A1 compris entre 10° et 50°. Ankle rehabilitation device, comprising a support for the patient's foot, connected by a joint to a base (2) for resting the device on the ground, characterized in that : the patient's foot support comprises an astragalar seat (12) arranged to receive the patient's heel, said seat being extended by an ankle protection envelope (4), the joint (6, 8, 20, 22, 24) is arranged to allow freedom of movement of the astragalar seat (12) with an authorized movement corresponding to the sub-talar joint of the patient, said movement of the talus being guided around at least one directional axis oriented relative to the axis A of extension of the patient's foot support in the sagittal plane S at an angle A1 of between 10 ° and 50 °. Appareil selon la revendication 1, caractérisé en ce que le débattement de l'assise astragalienne (12) est guidé en deuxième lieu par rapport au plan horizontal H suivant un angle A2 compris entre 12° et 35°.Apparatus according to claim 1, characterized in that the movement of the talar bed (12) is guided secondly with respect to the horizontal plane H at an angle A2 between 12 ° and 35 °. Appareil selon la revendication 1 ou 2, caractérisé en ce que le support du pied du patient est conformé en chaussure (4) supportée par le socle (2) par l'intermédiaire du talon (12).Device according to claim 1 or 2, characterized in that the support for the patient's foot is in the form of a shoe (4) supported by the base (2) via the heel (12). Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce que l'articulation entre le support (12) et le socle (2) est obtenue par l'intermédiaire d'un élément (6) ogival supporté par l'un quelconque du socle (2) et de l'assise astragalienne (12), ledit élément ogival (6) étant logé en rotule dans un logement (8) de forme complémentaire ménagé dans l'autre quelconque du socle (2) et de l'assise astragalienne (12).Apparatus according to any one of the preceding claims, characterized in that the articulation between the support (12) and the base (2) is obtained by means of an ogival element (6) supported by any of the base (2) and the talus base (12), said ogival element (6) being housed in a ball joint in a housing (8) of complementary shape formed in any other of the base (2) and the talar base (12). Appareil selon les revendications 3 et 4, caractérisé en ce que l'élément ogival (6) et le logement (8) sont orientés de manière inclinée dans le plan sagittal et dans le plan horizontal suivant les angles respectifs A1 et A2 . Apparatus according to claims 3 and 4, characterized in that the ogival element (6) and the housing (8) are tilted in the sagittal plane and in the horizontal plane along the respective angles A1 and A2. Appareil selon la revendication 4, caractérisé en ce que : l'élément ogival (6) d'articulation est relié au socle de manière fixe par l'intermédiaire d'un axe vertical (10), le logement (8) est agencé à l'intérieur de l'assise astragalienne (12) de manière à ce que la liaison articulée entre le socle (2) et la chaussure (4) résulte d'un glissement du talon de la chaussure (4) autour de la surface de portée de l'élément ogival (6), qui est fixe ; Apparatus according to claim 4, characterized in that : the ogival element (6) of articulation is fixedly connected to the base by means of a vertical axis (10), the housing (8) is arranged inside the talus base (12) so that the articulated connection between the base (2) and the shoe (4) results from a sliding of the heel of the shoe ( 4) around the bearing surface of the ogival element (6), which is fixed; Appareil selon la revendication 1, caractérisé en ce que l'articulation entre l'assise astragalienne (12) et le socle 2 est constituée par un axe de pivotement (20) orienté selon l'angle A1;Apparatus according to claim 1, characterized in that the articulation between the talus base (12) and the base 2 is constituted by a pivot axis (20) oriented at the angle A1; Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte des moyens de réglage du débattement de l'assise astragalienne (12) par rapport au sol, pour permettre d'adapter à la demande la mobilité souhaitée de la cheville . Apparatus according to any one of the preceding claims, characterized in that it includes means for adjusting the movement of the talar base (12) relative to the ground, to allow the desired mobility of the ankle to be adapted to demand . Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce que la position en hauteur de l'assise astragalienne (12) par rapport au sol est réglable entre deux positions extrêmes respectivement basse et haute.Apparatus according to any one of the preceding claims, characterized in that the position in height of the astragalar base (12) relative to the ground is adjustable between two extreme positions respectively low and high. Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce que des masselottes ou des moyens élastiques peuvent être agencés entre l'assise astragalienne (12) et le socle (2) pour conserver le parallélisme entre la semelle de la chaussure, et le talon pendant le pas oscillant du patient lors de la marche.Apparatus according to any one of the preceding claims, characterized in that weights or elastic means can be arranged between the astragalar base (12) and the base (2) to maintain the parallelism between the sole of the shoe, and the heel during the patient's oscillating step when walking. Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce que l'articulation est formée par une pièce de liaison déformable (22, 24) venant de moulage par injection plastique avec le bottillon (4), et le socle (2).Apparatus according to any one of the preceding claims, characterized in that the articulation is formed by a deformable connecting piece (22, 24) coming from plastic injection molding with the boot (4), and the base (2).
EP02354001.6A 2001-01-03 2002-01-03 Apparatus for ankle rehabilitation Expired - Lifetime EP1221332B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0100042 2001-01-03
FR0100042A FR2818912B1 (en) 2001-01-03 2001-01-03 ANKLE REHABILITATION APPARATUS

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EP1221332A2 true EP1221332A2 (en) 2002-07-10
EP1221332A3 EP1221332A3 (en) 2009-03-11
EP1221332B1 EP1221332B1 (en) 2014-04-16

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EP02354001.6A Expired - Lifetime EP1221332B1 (en) 2001-01-03 2002-01-03 Apparatus for ankle rehabilitation

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EP (1) EP1221332B1 (en)
FR (1) FR2818912B1 (en)

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FR2964559A1 (en) * 2010-09-15 2012-03-16 Ct D Evaluation Et De Readaptation Sportives Cevres MEDICAL APPARATUS FOR REHABILITATION AND PREVENTION OF ENTORS

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CN104941143A (en) * 2013-07-03 2015-09-30 曹富强 Teaching method and rotation apparatus

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FR2521435A1 (en) 1982-02-18 1983-08-19 Claude Raskin Ankle exerciser for sports players - has support for back of foot resting on off-centred rotating sphere
US4605220A (en) 1985-04-12 1986-08-12 Wikco Industries, Inc. Ankle exerciser
FR2641183A1 (en) 1988-09-28 1990-07-06 Heurte Alain Apparatus for examination and reeducation of the ankle
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US3782721A (en) 1970-12-10 1974-01-01 F Passera Physical training device
US4306714A (en) 1980-04-07 1981-12-22 Loomis Joseph L Iso-energetic ankle exerciser
FR2521435A1 (en) 1982-02-18 1983-08-19 Claude Raskin Ankle exerciser for sports players - has support for back of foot resting on off-centred rotating sphere
US4605220A (en) 1985-04-12 1986-08-12 Wikco Industries, Inc. Ankle exerciser
FR2641183A1 (en) 1988-09-28 1990-07-06 Heurte Alain Apparatus for examination and reeducation of the ankle
US5368536A (en) 1993-10-01 1994-11-29 Stodgell; Mark E. Ankle rehabilitation device

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FR2964559A1 (en) * 2010-09-15 2012-03-16 Ct D Evaluation Et De Readaptation Sportives Cevres MEDICAL APPARATUS FOR REHABILITATION AND PREVENTION OF ENTORS
WO2012035214A1 (en) 2010-09-15 2012-03-22 Centre D'evaluation Et De Readaptacion Sportive Cevres Medical device for the rehabilitation and prevention of sprains

Also Published As

Publication number Publication date
FR2818912A1 (en) 2002-07-05
FR2818912B1 (en) 2003-06-27
EP1221332A3 (en) 2009-03-11
EP1221332B1 (en) 2014-04-16

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