EP0165197B1 - Articulated walking aid - Google Patents

Articulated walking aid Download PDF

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Publication number
EP0165197B1
EP0165197B1 EP85630076A EP85630076A EP0165197B1 EP 0165197 B1 EP0165197 B1 EP 0165197B1 EP 85630076 A EP85630076 A EP 85630076A EP 85630076 A EP85630076 A EP 85630076A EP 0165197 B1 EP0165197 B1 EP 0165197B1
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EP
European Patent Office
Prior art keywords
frame
walking aid
frames
abutment
stop
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EP85630076A
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German (de)
French (fr)
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EP0165197A1 (en
Inventor
André Degand
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Sebillot Philippe
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Sebillot Philippe
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Priority to AT85630076T priority Critical patent/ATE39414T1/en
Publication of EP0165197A1 publication Critical patent/EP0165197A1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL 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
    • A61H3/00—Appliances for aiding patients or disabled persons to walk about

Definitions

  • the subject of the invention is an apparatus intended to facilitate the ambulation and the functional rehabilitation of people with disabilities of the lower limbs.
  • the device of the type described comprises in the middle of the front part of the joints, making it possible to move, by sliding, alternately, the left or right parts of the device.
  • a walking aid device according to the precharacterizing part of claim 1 is described in patent US-A-2 855 024.
  • This known device has a tubular frame, essentially consisting of two frames, the anterior l other posterior, both having the general shape of an inverted "U”, articulated one on the other so as to allow a limited pivoting of a frame relative to the other around a transverse axis , parallel to the planes of said frames, and secured to one of said frames.
  • the walking aid device In the rest position, the walking aid device therefore rests on the ground by four points, namely by the ends of the uprights of the front frame and of the rear frame.
  • An adjustable friction attenuator is provided at the points of articulation.
  • a spiral spring arranged around the articulation axis and fixed on the one hand to a pivot element and on the other hand to the rear frame serves to return the rear frame to the closed position.
  • a freewheel device allows the return movement of the rear frame without the resistance of the friction attenuator.
  • the object of the invention is to provide a simple, light and space-saving aid for walking aid which does not have the disadvantages of the devices of the prior art while combining the advantages of high functional reliability and great stability.
  • the walking aid device comprises the elements of the characterizing part of claim 1.
  • each articulated connection between the two frames as well as the stop, the counter-stop and the helical spring are preferably housed in a case so as to avoid any accident by hanging clothes.
  • Fig. 1 shows the uprights 1 and 2 of the front frame, connected by the tubular element 3 furnished with a padded sleeve 5.
  • the lower ends of the uprights 1 and 2 are provided with non-slip shoes 4, for example made of rubber.
  • the transverse elements 9 and 10 form part of the rear frame of the walking aid device according to the invention.
  • About halfway up each upright we see the front edges of the cover 7 and the bottom 8 of the hinge boxes 13 (see fig. 4).
  • the boxes are fixed to the uprights (1,2) by welding along the front edge of their bottom 8.
  • Fig. 2 shows the apparatus according to the invention in the folded position, the uprights of the front element being parallel to those of the rear element.
  • the cover 7 of the housing 13 com carries a bore (19, fig. 5) through which passes a tubular end 14 'of the rear frame.
  • the dotted lines (like those of FIG. 3) will be used later to describe the operation of the walking aid device according to the invention.
  • Fig. 3 shows the apparatus according to the invention, the front frame having tilted forward by about 35 ° relative to the rear element.
  • Fig. 4 shows all of the parts already mentioned, in perspective.
  • the element 9, the pivot axis of the device, enters through the bottoms 8 in the articulation boxes 13 and fits by its ends 14 in tubular elements 14 ′ carried by the uprights (11, 12) of the frame posterior of the apparatus according to the invention, (see fig. 5).
  • the rear uprights (11, 12) are stabilized laterally by a transverse bar 10.
  • the arrow F indicates the downward adjustment of the level of the handle 5 by means of the telescopic system 6.
  • each upright (1, 2) of the front frame of the device according to the invention comprises a partially closed housing 13.
  • the front edge of the bottom 8 of each housing is welded to the upright concerned.
  • the bottom 8 is crossed by the end 14 of the pivot axis 9.
  • a stop 17 whose axis 15 is constituted in the variant illustrated by a threaded rod 15.
  • the tubular end 14 s' fits into the tubular element 14 ′ of the rear upright 11.
  • Each upright 11, 12 also carries a counter-stop 18 which cooperates with the stop 17 to limit the maximum angle of the pivoting to a suitable value.
  • the cover 7 closes the housing, the bores 19 and 20 corresponding respectively to the tubular end 14 'and to the threaded rod 15. The screwing of the nut 16 on the end of the threaded rod 15 keeps the cover in place.
  • a damping means is provided for softening the opening of the device, that is to say the tilting of one of the two frames relative to the other, which makes it possible to make use more flexible.
  • Fig. 6 shows one of the housings 13 containing a damping and helical return spring 21 surrounding the tubular element 14 'and comprising a first arm 22 at one of its ends attached to the counter-stop 18' of the upright 11 or 12 and a second arm 23 bearing against the threaded rod 15.
  • the helical spring 21 constantly reminds the rear frame to its parallel position (folded position of the device) to the front frame and absorbs the tilting towards the front of the front frame.
  • Fig. 6 also shows two adjustable bolts 24, 25 provided to limit the pivoting of one frame relative to the other in both directions.
  • Fig. 7 shows a damping system with compressed air cylinder 26 attached on one side to an upright 1, 2 of the front frame and on the other side to the 18 "counter-stop of an upright 11, 12 of the rear frame .
  • Fig. 8 shows a damping stopper 27 of elastomeric material which can be used instead of the stopper 17 to soften the opening of the device.
  • Fig. 9 shows an alternative embodiment of the walking aid device according to the invention.
  • the device comprises a single articulation unit, mounted on a 3 ′ extension of the anterior inverted “U” frame.
  • the user holds the device more or less vertically (position fig. 2) in front of him by resting on the handle 5.
  • the user transfers his weight on the uprights of the rear frame and, by making use of the articulation incorporated in the housing, it rocks the front frame forward, in the direction of travel, at an angle of for example 35 ° (see fig. 3).
  • the bust slightly forward, the user slides his weight slowly over the front uprights, diagonally stitched on the floor.
  • the user's legs are then partially freed from the weight of the body which allows him to train his legs in the direction of travel.
  • the user accentuates the support on the uprights of the front frame by straightening it simultaneously vertically.
  • the uprights of the rear frame freed from the load, tilt forward around the pivot axis and come to be stored by gravity parallel to the uprights of the front frame.
  • the starting position for the next step is restored.
  • the walking aid device according to the invention therefore serves as a sort of front cane.
  • the frontal position ensures stable support in all circumstances. Even if the user, taken in a fit of weakness, backs up before completing a step, the uprights of the rear frame immediately tilt backwards, restoring a stable position on four support points.

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  • Health & Medical Sciences (AREA)
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Abstract

The walking aid device comprises a front frame and a rear frame hinged to one another so as to enable a limited pivoting of one frame with respect to the other about a transverse axis parallel to the planes of both frames.

Description

L'invention a pour objet un appareil destiné à faciliter la déambulation et la réadaptation fonctionnelle de personnes handicapées des membres inférieurs.The subject of the invention is an apparatus intended to facilitate the ambulation and the functional rehabilitation of people with disabilities of the lower limbs.

On sait que ces personnes souffrent de leur manque d'autonomie. Le sentiment de dépendance de leur entourage aboutit souvent à des effets psychiques défavorables avec perte d'assurance de l'individu et repli vers la solution de facilité qu'est la chaise roulante.We know that these people suffer from their lack of autonomy. The feeling of dependence of those around them often leads to unfavorable psychic effects with loss of self-confidence and withdrawal to the easy solution that is the wheelchair.

Il importe donc de fournir aux personnes handicapées des appareils de rééducation appropriés.It is therefore important to provide disabled people with appropriate rehabilitation equipment.

On trouve sur le marché divers appareils de ce type. Ces appareils se présentent souvent sous la forme d'une cage tubulaire, entourant la personne handicapée sur le dévant et sur les côtés jusqu'à hauteur des hanches. Ces dispositifs prennent généralement appui sur le sol par quatre pieds, munis de sabots ou de roulettes. Dans le cas de l'appareil à sabots, le handicapé doit à chaque pas soulever l'appareil pour le déplacer d'une petite distance, ce qui n'est possible que s'il sait se tenir debout sur ses jambes et s'il est suffisamment valide des membres supérieurs. Selon un perfectionnement connu, l'appareil du type décrit comporte au milieu de la partie avant des articulations, permettant de déplacer par glissement, en alternance, les parties de gauche ou de droite du dispositif.Various devices of this type are found on the market. These devices are often in the form of a tubular cage, surrounding the disabled person on the front and on the sides up to hip height. These devices generally rest on the ground by four feet, provided with shoes or casters. In the case of the hoofed device, the disabled person must at each step lift the device to move it a small distance, which is only possible if he can stand on his legs and if he is sufficiently valid of the upper limbs. According to a known improvement, the device of the type described comprises in the middle of the front part of the joints, making it possible to move, by sliding, alternately, the left or right parts of the device.

Ce perfectionnement permet d'éviter le soulèvement de l'appareil à chaque pas, mais uniquement si l'aire de déambulation ne comporte pas de dénivellation abrupte (bord de trottoir etc.). D'autre part, au moment de pousser une moitié de l'appareil vers l'avant, le handicapé ne peut prendre appui que d'une main sur l'autre moitié, qui est alors stationnaire. Cela nécessite une force suffisante dans les deux bras et impose par ailleurs à chaque pas un changement de la position d'équilibre non seulement dans le sens de la progression, mais encore latéralement. Le remplacement des sabots d'appui par des roulettes se traduit nécessairement par une complication de l'appareil, résultant notamment de la nécessité de monter des freins.This improvement makes it possible to avoid lifting the device at each step, but only if the walking area does not have a steep drop (curb edge etc.). On the other hand, when pushing one half of the device forward, the disabled can only support with one hand on the other half, which is then stationary. This requires sufficient force in both arms and moreover requires at each step a change in the equilibrium position not only in the direction of progression, but also laterally. The replacement of the support shoes by rollers necessarily results in a complication of the device, resulting in particular from the need to mount brakes.

Un appareil d'aide à la marche selon la partie préca- ractérisante de la revendication 1 est décrit dans le brevet US-A-2 855 024. Cet appareil connu présente un chassis tubulaire, essentiellement constitué de deux cadres, l'un antérieur l'autre postérieur, ayant tous les deux la forme générale d'un «U» renversé, articulés l'un sur l'autre de façon à permettre un pivotement limité d'un cadre par rapport à l'autre autour d'un axe transversal, parallèle aux plans desdits cadres, et solidarisé avec l'un desdits cadres. En position de repos, l'appareil d'aide à la marche prend donc appui au sol par quatre points, à savoir par les extrémités des montants du cadre antérieur et du cadre postérieur. Un atténuateur à friction ajustable est prévu aux endroits d'articulation. Un ressort en spirale disposé autour de l'axe d'articulation et fixé d'une part à un élément formant pivot et d'autre part au cadre postérieur sert à rappeler le cadre postérieur en position de fermeture. Un dispositif à roue libre permet le mouvement de rappel du cadre postérieur sans la résistance de l'atténuateur à friction.A walking aid device according to the precharacterizing part of claim 1 is described in patent US-A-2 855 024. This known device has a tubular frame, essentially consisting of two frames, the anterior l other posterior, both having the general shape of an inverted "U", articulated one on the other so as to allow a limited pivoting of a frame relative to the other around a transverse axis , parallel to the planes of said frames, and secured to one of said frames. In the rest position, the walking aid device therefore rests on the ground by four points, namely by the ends of the uprights of the front frame and of the rear frame. An adjustable friction attenuator is provided at the points of articulation. A spiral spring arranged around the articulation axis and fixed on the one hand to a pivot element and on the other hand to the rear frame serves to return the rear frame to the closed position. A freewheel device allows the return movement of the rear frame without the resistance of the friction attenuator.

Un appareil d'aide à la marche semblable est aussi décrit dans le brevet US-A-2 738 830 selon lequel des unités d'amortissement télescopiques à cylindre et piston avec un ressort hélicoïdal incorporé sont reliées à pivotement aux deux cadres pour amortir le mouvement d'ouverture et rappeler les cadres en position de fermeture.A similar walking aid is also described in US-A-2 738 830 according to which telescopic damping units with cylinder and piston with a built-in helical spring are pivotally connected to the two frames to damp the movement. and recall the frames to the closed position.

L'invention a pour but de fournir un appareil d'aide à la marche simple, léger et peu encombrant, qui ne présente pas les inconvénients des appareils de l'art antérieur tout en combinant les avantages d'une grande fiabilité fonctionnelle et d'une grande stabilité.The object of the invention is to provide a simple, light and space-saving aid for walking aid which does not have the disadvantages of the devices of the prior art while combining the advantages of high functional reliability and great stability.

A cet effet l'appareil d'aide à la marche selon l'invention comporte les éléments de la partie caractéri- sante de la revendication 1.To this end, the walking aid device according to the invention comprises the elements of the characterizing part of claim 1.

Les éléments mécaniques de chaque liaison articulée entre les deux cadres ainsi que la butée, la contre-butée et le ressort hélicoïdal sont de préférence logés dans un boîtier de façon à éviter tout accident par accrochage de vêtements.The mechanical elements of each articulated connection between the two frames as well as the stop, the counter-stop and the helical spring are preferably housed in a case so as to avoid any accident by hanging clothes.

D'autres caractéristiques avantageuses de l'appareil d'aide à la marche sont comprises dans les revendications dépendantes.Other advantageous features of the walking aid device are included in the dependent claims.

L'appareil d'aide à la marche selon l'invention sera maintenant décrit par référence aux exemples non limitatifs illustrés sur les dessins joints où

  • fig. 1 représente une vue frontale de l'appareil d'aide à la marche selon l'invention,
  • fig. 2 montre une vue latérale du même appareil en position repliée,
  • fig.3correspond à la vue selon fig. 2, après pivotement des deux cadres, postérieur et antérieur, l'un par rapport à l'autre,
  • fig. 4 est une vue en perspective de l'appareil selon fig. 1,
  • fig. 5 montre en vue éclatée les détails d'un exemple d'articulation,
  • fig. 6 montre l'un des boîtiers renfermant un ressort d'amortissement,
  • fig. 7 montre un vérin d'amortissement à air comprimé relié entre les deux cadres,
  • fig. 8 représente une butée d'amortissement en matière élastomère,
  • fig. 9 présente une autre variante de l'appareil d'aide à la marche selon l'invention.
The walking aid device according to the invention will now be described with reference to the nonlimiting examples illustrated in the accompanying drawings where
  • fig. 1 represents a front view of the walking aid device according to the invention,
  • fig. 2 shows a side view of the same device in the folded position,
  • fig.3 corresponds to the view according to fig. 2, after pivoting of the two frames, posterior and anterior, one with respect to the other,
  • fig. 4 is a perspective view of the device according to FIG. 1,
  • fig. 5 shows in exploded view the details of an example of articulation,
  • fig. 6 shows one of the housings containing a damping spring,
  • fig. 7 shows a compressed air damping cylinder connected between the two frames,
  • fig. 8 represents a damping stopper in elastomeric material,
  • fig. 9 shows another variant of the walking aid device according to the invention.

Sur ces figures, des éléments analogues portent des repères identiques.In these figures, similar elements bear identical references.

La fig. 1 montre les montants 1 et 2 du cadre antérieur, reliés par l'élément tubulaire 3 garni d'un manchon capitonné 5. Les extrémités inférieures des montants 1 et 2 sont munis de sabots antidérapants 4, par exemple en caoutchouc. Les éléments transversaux 9 et 10 (voir aussi fig. 4) font partie du cadre postérieur de l'appareil d'aide à la marche selon l'invention. A peu près à mi-hauteur de chaque montant on voit les bords antérieurs du couvercle 7 et du fond 8 des boîtiers d'articulation 13 (voir fig. 4).Fig. 1 shows the uprights 1 and 2 of the front frame, connected by the tubular element 3 furnished with a padded sleeve 5. The lower ends of the uprights 1 and 2 are provided with non-slip shoes 4, for example made of rubber. The transverse elements 9 and 10 (see also fig. 4) form part of the rear frame of the walking aid device according to the invention. About halfway up each upright we see the front edges of the cover 7 and the bottom 8 of the hinge boxes 13 (see fig. 4).

Dans l'exemple illustré, les boîtiers sont fixés sur les montants (1,2) par soudure le long du bord antérieur de leur fond 8.In the example illustrated, the boxes are fixed to the uprights (1,2) by welding along the front edge of their bottom 8.

La fig. 2 représente l'appareil selon l'invention en position repliée, les montants de l'élément antérieur étant parallèles à ceux de l'élément postérieur. Ainsi qu'on peut le voir, le couvercle 7 du boîtier 13 comporte un alésage (19, fig. 5) par lequel passe un bout tubulaire 14' du cadre postérieur. Les lignes pointillées (comme celles de la fig. 3) serviront plus loin à décrire le fonctionnement de l'appareil d'aide à la marche selon l'invention.Fig. 2 shows the apparatus according to the invention in the folded position, the uprights of the front element being parallel to those of the rear element. As can be seen, the cover 7 of the housing 13 com carries a bore (19, fig. 5) through which passes a tubular end 14 'of the rear frame. The dotted lines (like those of FIG. 3) will be used later to describe the operation of the walking aid device according to the invention.

La fig. 3 montre l'appareil selon l'invention, le cadre antérieur ayant basculé en avant d'environ 35° par rapport à l'élément postérieur.Fig. 3 shows the apparatus according to the invention, the front frame having tilted forward by about 35 ° relative to the rear element.

La fig. 4 présente l'ensemble des pièces déjà mentionnées, en perspective. L'élément 9, axe de pivotement de l'appareil, rentre par les fonds 8 dans les boîtiers d'articulation 13 et s'emboîte par ses bouts 14 dans des éléments tubulaires 14' portés par les montants (11, 12) du cadre postérieur de l'appareil selon l'invention, (voir fig. 5).Fig. 4 shows all of the parts already mentioned, in perspective. The element 9, the pivot axis of the device, enters through the bottoms 8 in the articulation boxes 13 and fits by its ends 14 in tubular elements 14 ′ carried by the uprights (11, 12) of the frame posterior of the apparatus according to the invention, (see fig. 5).

Les montants postérieurs (11, 12) sont stabilisés latéralement par une barre transversale 10. La flèche F indique l'ajustement vers le bas du niveau de la poignée 5 au moyen du système téléscopique 6.The rear uprights (11, 12) are stabilized laterally by a transverse bar 10. The arrow F indicates the downward adjustment of the level of the handle 5 by means of the telescopic system 6.

La fig. 5 présente plus en détail le boîtier 13 et l'articulation utilisés dans l'exemple illustré. Dans cet exemple, chaque montant (1, 2) du cadre antérieur de l'appareil selon l'invention comporte un boîtier partiellement fermé 13. Le bord antérieur du fond 8 de chaque boîtier est soudé sur le montant concerné. Le fond 8 est traversé par le bout 14 de l'axe de pivotement 9. Dans le boîtier est par ailleurs incorporée une butée 17 dont l'axe 15 est constitué dans la variante illustré par une tige filetée 15. Le bout tubulaire 14 s'emboîte dans l'élément tubulaire 14' du montant postérieur 11. Chaque montant 11, 12 porte également une contre-butée 18 qui coopère avec la butée 17 pour limiter l'angle maximum du pivotement à une valeur convenable. Le couvercle 7 ferme le boîtier, les alésages 19 et 20 correspondant respectivement au bout tubulaire 14' et à la tige filetée 15. Le vissage de l'écrou 16 sur l'extrémité de la tige filetée 15 permet de maintenir le couvercle en place.Fig. 5 shows in more detail the housing 13 and the articulation used in the example illustrated. In this example, each upright (1, 2) of the front frame of the device according to the invention comprises a partially closed housing 13. The front edge of the bottom 8 of each housing is welded to the upright concerned. The bottom 8 is crossed by the end 14 of the pivot axis 9. In the housing is also incorporated a stop 17 whose axis 15 is constituted in the variant illustrated by a threaded rod 15. The tubular end 14 s' fits into the tubular element 14 ′ of the rear upright 11. Each upright 11, 12 also carries a counter-stop 18 which cooperates with the stop 17 to limit the maximum angle of the pivoting to a suitable value. The cover 7 closes the housing, the bores 19 and 20 corresponding respectively to the tubular end 14 'and to the threaded rod 15. The screwing of the nut 16 on the end of the threaded rod 15 keeps the cover in place.

Divers moyens sont à la portée de l'homme du métier pour régler la distance franchie par l'appareil à chaque mouvement de pivotement d'un cadre par rapport à l'autre. On pourrait par exemple visser un boulon à travers un alésage pratiqué dans le rebord 21' du boîtier ou prévoir des moyens coulissants pour augmenter au diminuer l'ouverture située au coin en bas du côté droit du boîtier.Various means are within the reach of the skilled person to adjust the distance crossed by the device at each pivoting movement of a frame relative to the other. We could for example screw a bolt through a bore in the flange 21 'of the housing or provide sliding means to increase or decrease the opening located at the bottom corner on the right side of the housing.

De même l'on prévoit un moyen d'amortissement permettant d'adoucir l'ouverture de l'appareil, c'est-à-dire le basculement de l'un des deux cadres par rapport à l'autre, ce qui permet de rendre l'utilisation plus souple.Likewise, a damping means is provided for softening the opening of the device, that is to say the tilting of one of the two frames relative to the other, which makes it possible to make use more flexible.

La fig. 6 montre l'un des boîtiers 13 renfermant un ressort d'amortissement et de rappel hélicoïdal 21 entourant l'élément tubulaire 14' et comportant un premier bras 22 à l'une de ses extrémités attaché à la contre-butée 18' du montant 11 ou 12 et un second bras 23 venant s'appuyer contre la tige filetée 15. Le ressort hélicoïdal 21 rappele le cadre postérieur constamment vers sa position parallèle (position repliée de l'appareil) au cadre antérieur et amortit le basculement vers l'avant du cadre antérieur. La fig. 6 représente aussi deux boulons réglables 24, 25 prévus pour limiter le pivotement d'un cadre par rapport à l'autre dans les deux directions.Fig. 6 shows one of the housings 13 containing a damping and helical return spring 21 surrounding the tubular element 14 'and comprising a first arm 22 at one of its ends attached to the counter-stop 18' of the upright 11 or 12 and a second arm 23 bearing against the threaded rod 15. The helical spring 21 constantly reminds the rear frame to its parallel position (folded position of the device) to the front frame and absorbs the tilting towards the front of the front frame. Fig. 6 also shows two adjustable bolts 24, 25 provided to limit the pivoting of one frame relative to the other in both directions.

La fig. 7 montre un système d'amortissement à vérin à air comprimé 26 attaché d'un côté à un montant 1, 2 du cadre antérieur et de l'autre côté à la contre-butée 18" d'un montant 11, 12 du cadre postérieur.Fig. 7 shows a damping system with compressed air cylinder 26 attached on one side to an upright 1, 2 of the front frame and on the other side to the 18 "counter-stop of an upright 11, 12 of the rear frame .

La fig. 8 représente une butée d'amortissement 27 en matière élastomère qui peut être utilisée au lieu de la butée 17 pour adoucir l'ouverture de l'appareil.Fig. 8 shows a damping stopper 27 of elastomeric material which can be used instead of the stopper 17 to soften the opening of the device.

La fig. 9 montre une variante d'exécution de l'appareil d'aide à la marche selon l'invention. L'appareil comporte un seul boîtier d'articulation, monté sur un prolongement 3' du cadre antérieur en «U» renversé.Fig. 9 shows an alternative embodiment of the walking aid device according to the invention. The device comprises a single articulation unit, mounted on a 3 ′ extension of the anterior inverted “U” frame.

Au départ, l'utilisateur tient l'appareil plus ou moins verticalement (position fig. 2) devant lui en s'appyant sur la poignée 5. En tirant les bras en arrière ou en redressant légèrement le buste, l'utilisateur transfère son poids sur les montants du cadre postérieur et, en faisant jouer l'articulation incorporée dans le boîtier, il bascule le cadre antérieur en avant, dans le sens de la marche, sur un angle de par exemple 35° (voir fig. 3). En repenchant le buste légèrement en avant, l'utilisateur fait glisser son poids lentement sur les montants antérieurs, piqués en biais sur le sol. Les jambes de l'utilisateur se trouvent alors partiellement dégagées du poids du corps ce qui lui permet d'antraîner ses jambes dans le sens de la marche. Par ce mouvement, l'utilisateur accentue l'appui sur les montants du cadre antérieur en redressant celui-ci simultanément vers la verticale. Les montants du cadre postérieur, dégagés de la charge, basculent vers l'avant autour de l'axe de pivotement et viennent se ranger par gravité parallèlement aux montants du cadre antérieur. Ainsi la position de départ pour le prochain pas est rétablie.At the start, the user holds the device more or less vertically (position fig. 2) in front of him by resting on the handle 5. By pulling the arms back or slightly straightening the bust, the user transfers his weight on the uprights of the rear frame and, by making use of the articulation incorporated in the housing, it rocks the front frame forward, in the direction of travel, at an angle of for example 35 ° (see fig. 3). By tilting the bust slightly forward, the user slides his weight slowly over the front uprights, diagonally stitched on the floor. The user's legs are then partially freed from the weight of the body which allows him to train his legs in the direction of travel. By this movement, the user accentuates the support on the uprights of the front frame by straightening it simultaneously vertically. The uprights of the rear frame, freed from the load, tilt forward around the pivot axis and come to be stored by gravity parallel to the uprights of the front frame. Thus the starting position for the next step is restored.

L'appareil d'aide à la marche selon l'invention sert donc en quelque sorte de canne frontale.The walking aid device according to the invention therefore serves as a sort of front cane.

La position frontale assure en toutes circonstances un soutien stable. Même si l'utilisateur, pris d'un accès de faiblesse, recule avant d'avoir terminé un pas, les montants du cadre postérieur basculent immédiatement vers l'arrière en rétablissant une position stable sur quatre points d'appui.The frontal position ensures stable support in all circumstances. Even if the user, taken in a fit of weakness, backs up before completing a step, the uprights of the rear frame immediately tilt backwards, restoring a stable position on four support points.

Diverses modifications peuvent être apportées à l'appareil décrit. On peut par exemple bloquer le mouvement de pivotement des cadres en n'importe quelle position intermédiaire par un système à cliquet, incorporé dans le boîtier 13. De telles modifications sont à la portée de l'homme du métier et ne sortent pas du cadre de l'invention delimité par les revendications.Various modifications can be made to the apparatus described. One can for example block the pivoting movement of the frames in any intermediate position by a ratchet system, incorporated in the housing 13. Such modifications are within the reach of those skilled in the art and do not depart from the scope of the invention delimited by the claims.

Claims (6)

1. A walking aid having a tubular chassis, comprising a forward frame and a rearward frame pivotally mounted on the forward frame by means of a joint which permits limited pivoting of one frame relative to the other about a transverse horizontal axis parallel to the planes of the two frames between a first closed position and a second open position, and comprising at the pivot position an abutment (17; 27) carried by the forward frame and a stop (18') carried by the rearward frame to limit opening and closing movement and means to cushion opening movement of the frames and to return the frames to the closed position and comprising a spring (21) disposed about the pivot axis, characterised in that the spring (21) is a resilient helical return spring having a first free arm (23) engaging a fixed element (15) carried by the forward frame and a second free arm (22) fixed to the stop (18') of the rearward frame.
2. A walking aid according to claim 1, characterised in that the abutment (17; 27) is disposed below the pivot axis and between the pivot axis and the plane of the forward frame and serves equally to limit the return movement in the closed position.
3. A walking aid according to claim 1 or claim 2, characterised in that the abutment (27) is of elastomeric material.
4. A walking aid according to one of claims 1 to 3, characterised in that the pivot between the two frames is disposed in a housing (13), the helical spring (21), the abutment (17; 27) and stop (18') also being within this housing (13).
5. A walking aid according to claim 4, characterised in that two adjustments screws (24, 25) are fixed to the housing (13), these adjustment screws (24, 25) being able to be adjusted to limit the angular movement of the rearward frame.
6. A walking aid according to any preceding claim, characterised in that the rearward frame carries at least one angled head pivotted to the forward frame at the intersection of its two arms esentially orthogonally, one of these arms being fixed to the tubular chassis of the rearward frame and the other arm forming the stop (18'), and in that the abutment (17; 27) is positioned between the two arms of this angled head to limit relative movement between the two frames by cooperation with the two arms of the angled head.
EP85630076A 1984-05-16 1985-05-09 Articulated walking aid Expired EP0165197B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85630076T ATE39414T1 (en) 1984-05-16 1985-05-09 ARTICULATED WALKING DEVICE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU85364 1984-05-16
LU85364A LU85364A1 (en) 1984-05-16 1984-05-16 ARTICULATED WALKING AID

Publications (2)

Publication Number Publication Date
EP0165197A1 EP0165197A1 (en) 1985-12-18
EP0165197B1 true EP0165197B1 (en) 1988-12-28

Family

ID=19730260

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85630076A Expired EP0165197B1 (en) 1984-05-16 1985-05-09 Articulated walking aid

Country Status (7)

Country Link
EP (1) EP0165197B1 (en)
AT (1) ATE39414T1 (en)
AU (1) AU4408685A (en)
DE (1) DE3566952D1 (en)
ES (1) ES296038Y (en)
LU (1) LU85364A1 (en)
WO (1) WO1985005268A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5217419A (en) * 1990-09-24 1993-06-08 Harwood Edward N Walk-through walker
US6318392B1 (en) * 2000-01-06 2001-11-20 Scott Chen Supportive walker with safety features
GB2440512A (en) * 2006-08-02 2008-02-06 Promedics Ltd Walking aid
TWI549674B (en) * 2014-12-24 2016-09-21 樹德科技大學 A folding accommodated walking aid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2738830A (en) * 1953-01-28 1956-03-20 William G Black Walking aid
US2855024A (en) * 1953-02-18 1958-10-07 Enna Ltd Walking aid

Also Published As

Publication number Publication date
ES296038Y (en) 1988-01-16
LU85364A1 (en) 1986-01-29
EP0165197A1 (en) 1985-12-18
WO1985005268A1 (en) 1985-12-05
ATE39414T1 (en) 1989-01-15
ES296038U (en) 1987-07-16
DE3566952D1 (en) 1989-02-02
AU4408685A (en) 1985-12-13

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