EP0565453A1 - Medical seat - Google Patents

Medical seat Download PDF

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Publication number
EP0565453A1
EP0565453A1 EP93400929A EP93400929A EP0565453A1 EP 0565453 A1 EP0565453 A1 EP 0565453A1 EP 93400929 A EP93400929 A EP 93400929A EP 93400929 A EP93400929 A EP 93400929A EP 0565453 A1 EP0565453 A1 EP 0565453A1
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EP
European Patent Office
Prior art keywords
seat
medical
support
backrest
relative
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
EP93400929A
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German (de)
French (fr)
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EP0565453B1 (en
Inventor
Jean-Pierre Reignier
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SOLARIS
Original Assignee
SOLARIS
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Publication date
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Publication of EP0565453A1 publication Critical patent/EP0565453A1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to the seat portion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/10—Parts, details or accessories
    • A61G15/105—Auxiliary supports for children
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1091—Cushions, seats or abduction devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/50—Information related to the kind of patient or his position the patient is supported by a specific part of the body
    • A61G2200/52—Underarm

Definitions

  • the present invention relates to a medical seat with removable mobile support.
  • This type of shell seat also has another drawback which is that it does not allow any adjustment.
  • wedging cushions are provided, but in addition to the fact that they are added elements, they are not satisfactory because these cushions must be changed regularly which do not follow the morphological changes of the person. .
  • Another solution consists in preparing a given range of shells according to the sizes but the adaptation to the morphology remains in this case very approximate and the shell seat loses most of the qualities previously indicated due to molding.
  • the person should be kept on all parts of the body and controlled for any sudden and uncoordinated movements. It is also necessary to provide a seat and a removable movable support itself folding so that the assembly can be easily transported, in particular in a vehicle of the conventional type.
  • the present invention provides a medical seat, in particular for the physically handicapped, which has precise settings for all of the body holding elements, including asymmetrically, which, thanks to its adaptability, requires only a small number of models to constitute a complete range, which is light, functional and aesthetic, which can be removably mounted on a mobile support also included in this patent application, which can receive numerous accessories as required, which is perfectly stable while presenting a certain degree of flexibility, the manufacture of which is easy and the mounting of which can be carried out at the places of use or of sale, which facilitates transport.
  • the medical seat according to the invention in particular for the physically handicapped, includes a seat, a file articulated with respect to this seat, and is characterized in that it comprises two substantially parallel thigh supports each composed of a flap horizontal and a vertical separator each provided with articulation means respectively with respect to the seat and the separator, so as to adjust the flap in height and in length with respect to the seat and the separator in length and angularly with respect to the flap.
  • the articulation means each comprise a first axis cooperating with a bore of the part movable shutter or separator and an oblong hole in the seat support part or shutter, and a second axis cooperating with two crossed oblong holes, one provided in the movable part shutter or separator and the other in the support piece.
  • the thigh supports are supplemented by lateral holding means articulated relative to the seat as well as by two independent underarm supports, also provided with means for adjusting in height, in width and in angle in the back plane.
  • the seat according to the invention also comprises a lumbar support provided with protruding adjustment means as well as a headrest also adjustable and designed to receive accessories.
  • the backrest comprises, according to a particular embodiment, means for adjusting the inclination with household notches in the seat and provided with return means.
  • the mobile support associated with this seat comprises a chassis, comprising two front bolts, provided at one of their ends with a steerable wheel, a central plate provided for receiving the seat base, said plate being mounted on a shock absorber whose body is secured to the two arms on the one hand and secured to its lower part of a rear axle on the other hand, this axle carrying a wheel at each of its ends, the assembly being completed by two legs of force interposed between the arms and the rear axle.
  • the mobile support comprises a thrust arm adjustable in inclination in the vertical plane and provided with removable connection means with the chassis.
  • FIG. 1 there is shown a seat according to the invention which comprises a seat 10, a folder 12 articulated relative to the seat so as to allow its inclination and the removable movable support 13 in the lower part.
  • the seat includes a base 14, of substantially inverted U section, and provided with two pairs of side lights 16 and 17 formed on the wings 18 of the U in the immediate vicinity of the base 20 .
  • this base includes holes 22 intended to receive fastening rivets for a stiffener 24 provided with holes 25, also of inverted U section, and also comprising two pairs of lights 26 and 27 coinciding with the lights 16 and 17 from the base.
  • the base also includes a pair of oblong holes 21 oriented longitudinally as well as two pairs of holes 23.
  • the seat also includes a pair of ears 28, connected together by a connecting plate 30 having bores 32 coinciding with those of the stiffener and the base.
  • These ears also include oblong holes 34 oriented vertically.
  • the right and left wings 36 of the stiffener 24 are located approximately one third and two thirds of the width between the wings of the base.
  • the stiffener further comprises two oblong holes 43 oriented longitudinally and superimposed with the holes 23 of the base.
  • the seat is completed by thigh supports 44, comprising a flap 46 curved downwards on its front part 48 and provided with two crossed oblong holes 50 and 52 oriented respectively transversely and longitudinally.
  • a screw / nut assembly 59 is provided at the rear of the flap which comprises a plating spring 57 interposed between the nut and the flap.
  • This tab includes an oblong hole 56 on its front part oriented along the longitudinal axis of the tab and a hole 58 at its rear end.
  • the seat also comprises a separator 60, with an L-shaped section.
  • the horizontal wing 62 comprises an oblong hole 64 on its front part oriented longitudinally and a bore 66 at its rear part. As for the vertical wing, it has a progressive height passing from h at the rear to H towards the front.
  • the lateral holding means 68 comprise a plate with an L-shaped section, the horizontal wing 70 comprising two oblong slots 72 and 74 for transverse adjustment.
  • FIG 4 there is shown the folder 12 which is composed of a vertical plate with U-section with two folded right and left lateral extensions 15 forming a stiffener.
  • the backrest At its upper part, the backrest comprises two holes 84 and at its lower part two oblong holes 86 oriented longitudinally.
  • the wings each have two holes 88, 90 respectively provided to cooperate with an axis of rotation and to receive fixing means.
  • two legs 92 are provided parallel to the wings of the L J, also provided with two holes 94, 96 respectively provided for receiving an axis of rotation and fixing means.
  • the lower ends of the two legs are connected by a rod 98 provided with return means 100 in the form of a helical spring 102 connected to the seat as will be explained later.
  • Axillary supports 104 are provided to also be mounted on the backrest. These sub axillary supports include a plate 105 with a substantially L-shaped profile, the horizontal part 106 of the L being provided with two oblong holes 108. As for the vertical part 110 of the L, it has a slightly curved profile as shown in this figure 3.
  • a lumbar support 112 is also provided to be mounted on this backrest. It comprises a slightly curved plate 114 provided with threaded rods 116 for fixing.
  • the headrest 118 comprises a plate 120 provided with a curved central portion 122.
  • the lateral parts 124 of this headrest have two oblong holes 126 oriented longitudinally as well as two holes 127.
  • An accessory of this headrest 118 is also shown in this figure 3. It consists of a semi-circular arch 130 provided with holes 132 .
  • the base 14 receives at its lower part the stiffener 24.
  • the wings 18 and 36 respectively of the base and the stiffener being parallel.
  • the base 14 and the stiffener 24 thus positioned receive, through the slots 17 and 27, the ears 28 secured to the plate 30.
  • the thigh supports 44 are positioned at the front of this new assembly constituting the seat so that the flap 46 is parallel to the plane of the seat.
  • a bolt / nut assembly passes through the hole 58 of the connecting lug 54 and slides in the oblong hole 40 of the corresponding wing 36 of the stiffener.
  • a second bolt / nut assembly is mounted through the oblong hole 56 of this same tab and slides in the oblong hole 38 of the corresponding wing 36 of the stiffener.
  • the flap 46 of the thigh support 44 is thus fixed at two points so as to be adjustable relative to the seat. It is the same for the second thigh support.
  • the right and left dividers are each mounted on the corresponding thigh support. by means of two bolt-nut assemblies passing respectively through the bore 66 of the horizontal wing of the separator 62 and through the oblong hole 52 of the flap 46 and through the oblong holes 64 of the separator and 50 of the flap, oriented according to crossed directions.
  • the lateral holding means 68 are introduced through the slots 16 and 26 of the base and the stiffener.
  • the backrest is assembled as follows.
  • the legs 92 are fixed to the right and left wings of the backrest by riveting in the holes 90 of these wings.
  • the legs 92 are introduced through the slots 27 and 17 of the stiffener and of the base to project above the seat, parallel to the ears 28.
  • the rod 98 is fixed in the corresponding holes of the legs, this rod passing through the notched slots 42 of the wings 36 of the stiffener.
  • An axis of rotation is introduced through the holes 94 of the legs and 88 of the wings of the backrest and through the oblong holes 34 of the ears 28.
  • the return means 100 comprising the spring 102, already fixed on the rod 98 by one end are connected to a point of attachment of the stiffener, not shown for clarity of the drawing.
  • the under axillary supports 104 can be placed on the backrest by introducing the horizontal part 106 in a vertical position through the openings 76 in the backrest.
  • Screw / nut assemblies pass through the oblong holes 108 of these axillary supports and through the oblong holes 80 of the backrest.
  • the headrest 118 is mounted using two screw-nut assemblies passing through the holes 84 in the backrest and the oblong holes 126 formed in the wings 124 of this headrest.
  • the accessory 128 is assembled using two screw / nut assemblies by passing them through the holes 132 of the accessory and 127 of the headrest.
  • the last element of the backrest namely the lumbar support 112 is mounted in a similar manner by positioning the threaded rods 116 through the oblong holes 86 in the backrest. It is also necessary to provide ecru accessible from the back of the backrest.
  • a spring with high stiffness is interposed between the support and the backrest in the manner of a shock absorber.
  • the seat thus mounted can be used as described below.
  • each right and left thigh support can be adjusted independently in length and inclination.
  • the length is adjusted so that the entire thigh bears on the flap, which decreases the contact pressure since the contact surface is increased. On the other hand, this length adjustment makes it possible to compensate for an inequality of the femoral segment.
  • this inclination allows the femoral segment to flex on the trunk, which leads to the closure of the pelvis-femur angle, in order to avoid the diagram in extension.
  • the two right and left separators integral with the flap are adjusted in length and angularly so as to give the two legs a given opening angle.
  • the backrest is adjusted in inclination relative to the seat by pressing from top to bottom and along the longitudinal axis of the backrest, which has the effect of canceling the spring return force and unlocking the rod 98 of the notches 42.
  • the backrest still pressing, can therefore pivot around the axis passing through the ears 34 and the holes 88 in the backrest.
  • the lumbar support 112 is adjusted from the rear of the backrest, using a nut, lock nut and the spring.
  • the adjustment of the under axillary supports 104, right and left, is carried out easily in width, in height and in orientation around an axis perpendicular to the plane of the backrest.
  • the headrest is adjusted and the accessory 128 is put in or out.
  • the material used is a plastic sold under the name ABS in a preferred embodiment of the invention, which leads to a light structure.
  • Some parts, such as the stiffener in particular, can be made of aluminum.
  • the profiles are obtained by hot deformation of cut plates which gives the various elements, flap, support under the axillary, headrest, a certain elasticity and rounded angles which go in the direction of safety.
  • the variant of separator 148 shown comprises a vertical axis 150 movable between the thigh supports in an additional slot 152 and 154 formed in the base 14 and the stiffener 24. (The representation is in broken lines in the figure 2). The separators 60 are eliminated as well as the oblong holes 52 and 50.
  • the variant of separator 148 comprises two orientable plates 149 mounted for rotation about the axis by one of their ends.
  • This mobile support comprises two front arms 210, each provided at one of their ends 212 with steerable wheels 214 while their other end 216 is fixed on a plate 218.
  • This plate receives a sheath 220, arranged substantially vertically, sheath which is rotatably mounted about the axis 217 relative to the plate 218 at its upper end and which receives at its lower end a tab 222 provided with a screw 224 intended for cooperate with a rear axle 226 at the ends of which wheels 228 are rotatably mounted.
  • This rear axle 226 comprises two struts 230, each welded in the immediate vicinity of one of the ends of the axle, while the other end of these struts 230 is mounted for rotation about axes 232 with respect to to the corresponding arm 210.
  • a jack 234 is provided inside the sheath 220, the body 236 of which is secured to the sheath while the piston 238 is secured to a base 240 provided for receiving the seat by means of engagement slots 242.
  • These slots 242 are formed in the wings 244 of the base 240 whose section is U-shaped.
  • flanges 246 provided with curvilinear holes 248 intended to receive legs 250 at the end of which are provided footplates 252, articulated relative to this same leg around an axis 254.
  • a push arm 256 At the rear part of the plate 218 there is provided a push arm 256 at the end of which are mounted handles 258 fixed on a bar 260 perpendicular to the push arm 256.
  • a removable fixing system which cooperates with notches 264 formed in the rear part of said plate so that the arm can be adjusted angularly in the vertical plane or completely removed.
  • the medical seat is fixed to the base 240, by having two connecting bars integral for example with the stiffener 24 and the base 14 in the slots 242, these bars being transverse and having a spacing corresponding to that of the positioning slots 242.
  • Locking means may be usefully provided in the form of a clipping pivoting lever or quarter-turn screws, not shown for the sake of clarity of the drawing, but within the reach of those skilled in the art and well known in the technical field of medical seats.
  • the user can therefore move the mobile support like a stroller since the front wheels are steerable which allows it to be steered, and the rear wheels being fixed ensure a large part of the load recovery.
  • the pushing arm 256 is also adjustable which allows the guide to position the transverse bar 260 and thereby the handles 258 at his convenience.
  • the jack which has a damping function on a short stroke greatly improves the comfort of this medical seat and limits the transmission of irregularities from the taxiway to the seat and therefore to the person therein. installed.
  • the known type of cylinder also has a height adjustment in steps so that the height of the base 240 can be easily adjusted relative to the ground.
  • the footrest is also adjustable both in inclination and in length, which also facilitates adjustments.
  • the mobile support according to the invention is also intended to be folded so as to reduce its size, in particular when it is not used and that it must be transported in a conventional vehicle.
  • the screw 224 is loosened so that the connecting member 222 is detached from the rear axle 226.
  • axle / wheel and strut 230 assembly being released, it can be folded forward under the arms 210.
  • the pushing arm 256 is also removed from the assembly by detaching the connecting member 262 from the plate 218. It then suffices to rotate the sleeve 220 containing the piston 234 around the axis 217 to bring the end lower of this sheath in the immediate vicinity of the arms 210.
  • the base 240 is found substantially perpendicular to the arm 210, while the sheath is found substantially parallel to these same arms.
  • the assembly is compact and the space requirement is therefore reduced.
  • footrest assembly being movable in rotation and in length is also folded adequately so as to be brought close to the same arms 210.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Child & Adolescent Psychology (AREA)
  • Pediatric Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)

Abstract

Medical seat comprising a seating part (14), a back part (12) articulated with respect to this seat part, characterised in that it comprises at least one thigh support (44) provided with means of articulation with respect to the seat part and arranged at the front of this seat part. The invention also concerns the mobile support associated with the medical seat. <IMAGE>

Description

La présente invention a pour objet un siège médical avec support mobile amovible.The present invention relates to a medical seat with removable mobile support.

Les persones handicapées moteur, notamment les enfants, doivent rester dans un siège médical durant de très longues périodes. Il est donc nécessaire que ces sièges soient parfaitement adaptés à la morphologie de la personne et qu'ils présentent un confort optimum en plus des qualités de maintien nécessaires.People with motor disabilities, especially children, must stay in a medical seat for very long periods. It is therefore necessary that these seats are perfectly adapted to the morphology of the person and that they have optimum comfort in addition to the necessary holding qualities.

Il existe déjà des fauteuils qui comprennent un châssis, sur lequel est rapportée une coque plus généralement moulée et bien adaptée à la morphologie de l'utilisateur par le principe même de la réalisation.There are already armchairs which include a frame, on which is attached a shell more generally molded and well suited to the morphology of the user by the very principle of the embodiment.

C'est ce type de produit qui présente actuellement le meilleur confort et donne les meilleurs résultats.It is this type of product that currently offers the best comfort and gives the best results.

Il présente néanmoins plusieurs inconvénients, le premier étant la propre réalisation de la coque qui requiert des "essayages" et des délais sans compter le prix de revient obligatoirement élevé. On comprend par ailleurs, qu'une telle coque doit être régulièrement changée surtout pour les enfants au fur et à mesure des variations de taille et/ou de poids.It nevertheless has several drawbacks, the first being the own production of the hull which requires "fittings" and delays without taking into account the necessarily high cost price. It is also understood that such a shell must be regularly changed, especially for children as the size and / or weight changes.

Ce type de sièges à coque présente également un autre inconvénient qui est celui de ne permettre aucun réglage.This type of shell seat also has another drawback which is that it does not allow any adjustment.

Il est donc conçu pour un résultat optimum, mais dans une gamme restreinte de positions. Dans certains modes de réalisation, il est prévu des coussins de calage mais outre le fait qu'il s'agit d'éléments rapportés, ils ne donnent pas satisfaction car il faut changer régulièrement ces coussins qui ne suivent pas les évolutions morphologiques de la personne.It is therefore designed for optimum results, but in a limited range of positions. In certain embodiments, wedging cushions are provided, but in addition to the fact that they are added elements, they are not satisfactory because these cushions must be changed regularly which do not follow the morphological changes of the person. .

Une autre solution consiste à préparer une gamme donnée de coques en fonction des tailles mais l'adaptation à la morphologie reste dans ce cas très approximative et le siège coque perd l'essentiel des qualités précédemment indiquées dues au moulage.Another solution consists in preparing a given range of shells according to the sizes but the adaptation to the morphology remains in this case very approximate and the shell seat loses most of the qualities previously indicated due to molding.

L'art antérieur propose de nombreux fauteuils roulants pour handicapés mais ce type de fauteuils est rarement adapté pour des enfants. D'autre part, les roues et l'ensemble du châssis sont fixés au siège ce qui empêche tout transfert de l'ensemble siège-enfant dans un véhicule ou sur un support spécifique pendant la durée du repas par exemple.The prior art offers many wheelchairs for the disabled, but this type of wheelchair is rarely suitable for children. On the other hand, the wheels and the whole chassis are fixed to the seat which prevents any transfer of the child seat assembly in a vehicle or on a specific support during the meal, for example.

Par contre, certains dispositifs de maintien latéral tels que celui décrit dans le brevet français N° 2 190 013 présentent un certain intérêt puisqu'ils autorisent un réglage verticalement, horizontalement et angulairement grâce à deux doubles fentes croisées d'appuis latéraux. De même, il est prévu dans ce brevet un appui lombaire réglable en profondeur et en hauteur ce qui améliore le confort du fauteuil roulant décrit.On the other hand, certain lateral support devices such as that described in French Patent No. 2,190,013 are of some interest since they allow adjustment vertically, horizontally and angularly thanks to two double crossed slots of lateral supports. Likewise, there is provision in this patent for a lumbar support adjustable in depth and in height, which improves the comfort of the wheelchair described.

On trouve également dans le commerce des sièges munis munie dans la partie médiane de l'assise d'un séparateur fixe réglable en longueur. Ainsi l'utilisateur en position assise est en abduction grâce à ce séparateur, qui n'est autre qu'une cale, qui maintient les jambes légèrement écartées et qui évite le déplacement vers l'avant du bassin de la personne, déplacement qui en l'absence de séparateur, peut conduire à la chute hors du siège.There are also commercially available seats provided in the middle of the seat with a fixed separator adjustable in length. Thus the user in the seated position is in abduction thanks to this separator, which is none other than a wedge, which keeps the legs slightly apart and which avoids the forward movement of the pelvis of the person, movement which in l absence of separator, can lead to falling out of the seat.

On sait par ailleurs que les personnes handicapées peuvent présenter des dissymétries morphologiques tant dans la longueur des jambes que dans leur taille ou même des déformations au niveau des hanches ou du bassin.We also know that people with disabilities can have asymmetrical morphologies both in the length of the legs and in their size or even deformations in the hips or pelvis.

De même dans le cas de perte de motricité importante il convient de maintenir la personne sur toute les parties du corps et de contrôler les éventuels mouvements brusques et non coordonnés. Il est également nécessaire de proposer un siège et un support mobile amovible lui même pliant de façon que l'ensemble puisse être aisément transporté, notamment dans un véhicule de type classique.Likewise in the case of significant loss of motor skills, the person should be kept on all parts of the body and controlled for any sudden and uncoordinated movements. It is also necessary to provide a seat and a removable movable support itself folding so that the assembly can be easily transported, in particular in a vehicle of the conventional type.

Les qualités de stabilité, de rigidité du bâti et de suspension doivent bien évidemment être améliorées afin d'atteindre un degré de confort optimum.The qualities of stability, rigidity of the frame and suspension must obviously be improved in order to achieve an optimum degree of comfort.

Les matériaux utilisés pour la fabrication d'un tel siège doivent impérativement être adaptés aux conditions énumérées ci-dessus. Il faut donc un matériau léger, aisément transformable par pliage, collage, soudage et usinable.The materials used for the manufacture of such a seat must imperatively be adapted to the conditions listed above. It therefore requires a light material, easily transformable by folding, gluing, welding and machinable.

Il convient également de pouvoir disposer de matériaux colorés dans la masse afin de conférer au siège ainsi réalisé un aspect esthétique agréable et de compenser partiellement le côté fonctionnel médical de ce siège.It should also be possible to have colored materials in the mass in order to give the seat thus produced a pleasant aesthetic appearance and to partially compensate for the medical functional side of this seat.

A cet effet, la présente invention propose un siège médical notamment pour handicapés moteur qui présente des réglages précis de l'ensemble des éléments de maintien du corps y compris de façon dissymétrique, qui grâce, à son adaptabilité ne requiert qu'un petit nombre de modèles pour constituer une gamme complète, qui est léger, fonctionnel et esthétique, qui peut être monté de façon amovible sur un support mobile inclus également dans la présente demande de brevet, qui peut recevoir de nombreux accessoires en fonction des besoins, qui est parfaitement stable tout en présentant un certain degré de souplesse, dont la fabrication est aisée et dont le montage peut s'effectuer sur les lieux d'utilisation ou de vente ce qui en facilite le transport.To this end, the present invention provides a medical seat, in particular for the physically handicapped, which has precise settings for all of the body holding elements, including asymmetrically, which, thanks to its adaptability, requires only a small number of models to constitute a complete range, which is light, functional and aesthetic, which can be removably mounted on a mobile support also included in this patent application, which can receive numerous accessories as required, which is perfectly stable while presenting a certain degree of flexibility, the manufacture of which is easy and the mounting of which can be carried out at the places of use or of sale, which facilitates transport.

Dans ce but, le siège médical selon l'invention, notamment pour handicapés moteur comprend une assise, un dossier articulé par rapport à cette assise, et se caractérise en ce qu'il comprend deux supports de cuisse sensiblement parallèles composés chacun d'un volet horizontal et d'un séparateur vertical munis l'un et l'autre de moyens d'articulation respectivement par rapport à l'assise et au séparateur, de façon à régler le volet en hauteur et en longueur par rapport à l'assise et le séparateur en longueur et angulairement par rapport au volet.For this purpose, the medical seat according to the invention, in particular for the physically handicapped, includes a seat, a file articulated with respect to this seat, and is characterized in that it comprises two substantially parallel thigh supports each composed of a flap horizontal and a vertical separator each provided with articulation means respectively with respect to the seat and the separator, so as to adjust the flap in height and in length with respect to the seat and the separator in length and angularly with respect to the flap.

Les moyens d'articulation comprennent chacun un premier axe coopérant avec un alésage de la pièce mobile volet ou séparateur et un trou oblong de la pièce support assise ou volet, et un second axe coopérant avec deux trous oblongs croisés, ménagés l'un dons la pièce mobile volet ou séparateur et l'autre dans la pièce support.The articulation means each comprise a first axis cooperating with a bore of the part movable shutter or separator and an oblong hole in the seat support part or shutter, and a second axis cooperating with two crossed oblong holes, one provided in the movable part shutter or separator and the other in the support piece.

Selon une autre caractéristique de l'invention, les supports de cuisse sont complétés par des moyens de maintien latéraux articulés par rapport à l'assise ainsi que par deux appuis sous axillaire indépendants, munis également de moyens de réglage en hauteur, en largeur et en angle dans le plan du dossier.According to another characteristic of the invention, the thigh supports are supplemented by lateral holding means articulated relative to the seat as well as by two independent underarm supports, also provided with means for adjusting in height, in width and in angle in the back plane.

Le siège selon l'invention comporte également un appui lombaire muni de moyens de réglage en saillie ainsi qu'une têtière également réglable et prévue pour recevoir des accessoires.The seat according to the invention also comprises a lumbar support provided with protruding adjustment means as well as a headrest also adjustable and designed to receive accessories.

Le dossier comprend selon un mode de réalisation particulier des moyens de réglage en inclinaison avec des crans ménages dans l'assise et munis de moyens de rappel.The backrest comprises, according to a particular embodiment, means for adjusting the inclination with household notches in the seat and provided with return means.

Quant au support mobile associé à ce siège, il comprend un châssis, comportant deux brus avant, munis à l'une de leurs extrémités d'une roue orientable, une platine centrale prévue pour recevoir l'assise du siège, ladite platine étant montée sur un amortisseur dont le corps est solidaire des deux bras d'une part et solidaire à sa partie inférieure d'un essieu arrière d'autre part, cet essieu portant une roue à chacune de ses extrémités, l'ensemble étant complété par deux jambes de force interposées entre les bras et l'essieu arrière.As for the mobile support associated with this seat, it comprises a chassis, comprising two front bolts, provided at one of their ends with a steerable wheel, a central plate provided for receiving the seat base, said plate being mounted on a shock absorber whose body is secured to the two arms on the one hand and secured to its lower part of a rear axle on the other hand, this axle carrying a wheel at each of its ends, the assembly being completed by two legs of force interposed between the arms and the rear axle.

Selon une autre caractéristique de l'invention, le support mobile comprend un bras de poussée réglable en inclinaison dans le plan vertical et muni de moyens de liaison amovibles avec le châssis.According to another characteristic of the invention, the mobile support comprises a thrust arm adjustable in inclination in the vertical plane and provided with removable connection means with the chassis.

L'invention est décrite ci-après selon un mode de réalisation particulier en regard des figures annexées sur lesquelles :

  • - la figure 1 représente une vue en perspective d'un siège selon l'invention,
  • - la figure 2 représente une vue éclatée de détail de l'assise,
  • - la figure 3 représente une vue en perspective d'un support de cuisse monté sur l'assise,
  • - la figure 4 représente une vue éclatée de détail du dossier,
  • - la figure 5 représente une vue variante du séparateur, et
  • - la figure 6 représente une vue en perspective du support mobile selon l'invention.
The invention is described below according to a particular embodiment with reference to the appended figures in which:
  • FIG. 1 represents a perspective view of a seat according to the invention,
  • FIG. 2 represents an exploded detail view of the seat,
  • FIG. 3 represents a perspective view of a thigh support mounted on the seat,
  • FIG. 4 represents an exploded detail view of the file,
  • FIG. 5 represents a variant view of the separator, and
  • - Figure 6 shows a perspective view of the mobile support according to the invention.

Sur la figure 1 on a représenté un siège selon l'invention qui comprend une assise 10, un dossier 12 articulé par rapport à l'assise de façon à permettre son inclinaison et le support mobile amovible 13 en partie inférieure.In Figure 1 there is shown a seat according to the invention which comprises a seat 10, a folder 12 articulated relative to the seat so as to allow its inclination and the removable movable support 13 in the lower part.

Ainsi que cela est représenté sur la figure 2, l'assise comprend une embase 14, à section sensiblement en U renversé, et munie de deux paires de lumières 16 et 17 latérales ménagées sur les ailes 18 du U à proximité immédiate de la base 20.As shown in FIG. 2, the seat includes a base 14, of substantially inverted U section, and provided with two pairs of side lights 16 and 17 formed on the wings 18 of the U in the immediate vicinity of the base 20 .

D'autre part, cette embase comprend des perçages 22 destinés à recevoir des rivets de fixation d'un raidisseur 24 muni de perçages 25, à section également en U renversé, et comportant également deux paires de lumières 26 et 27 coïncidant avec les lumières 16 et 17 de l'embase. L'embase comprend également une paire de trous oblongs 21 orientés longitudinalement ainsi que deux paires de trous 23.On the other hand, this base includes holes 22 intended to receive fastening rivets for a stiffener 24 provided with holes 25, also of inverted U section, and also comprising two pairs of lights 26 and 27 coinciding with the lights 16 and 17 from the base. The base also includes a pair of oblong holes 21 oriented longitudinally as well as two pairs of holes 23.

L'assise comprend par ailleurs une paire d'oreilles 28, reliées entre elles par une plaque de liaison 30 comportant des alésages 32 coïncidant avec ceux du raidisseur et de l'embase.The seat also includes a pair of ears 28, connected together by a connecting plate 30 having bores 32 coinciding with those of the stiffener and the base.

Ces oreilles comprennent également des trous oblongs 34 orientés verticalement.These ears also include oblong holes 34 oriented vertically.

Les ailes 36 droite et gauche du raidisseur 24 se situent approximativement à un tiers et deux tiers de la largeur séparant les ailes de l'embase.The right and left wings 36 of the stiffener 24 are located approximately one third and two thirds of the width between the wings of the base.

Elles comportent chacune sur l'avant deux trous oblongs 38 et 40 respectivement vertical et horizontal et sur l'arrière un trou oblong 42 horizontal et cranté.They each have on the front two oblong holes 38 and 40 respectively vertical and horizontal and on the rear an oblong hole 42 horizontal and notched.

Le raidisseur comprend en outre deux trous oblongs 43 orientés longitudinalement et superposables avec les trous 23 de l'embase.The stiffener further comprises two oblong holes 43 oriented longitudinally and superimposed with the holes 23 of the base.

L'assise est complétée par des supports de cuisse 44, comprenant un volet 46 recourbé vers le bas sur sa partie avant 48 et muni de deux trous oblongs croisés 50 et 52 orientés respectivement transversalement et longitudinalement.The seat is completed by thigh supports 44, comprising a flap 46 curved downwards on its front part 48 and provided with two crossed oblong holes 50 and 52 oriented respectively transversely and longitudinally.

L'arrachement partiel du dessin de cette pièce fait apparaître une patte de liaison 54 solidaire de la partie avant courbe du volet et libre sur sa partie arrière. Ce support de cuisse est représenté sur la figure 3.The partial tearing of the drawing of this part shows a connecting tab 54 secured to the curved front part of the flap and free on its rear part. This thigh support is shown in Figure 3.

De plus, il est prévu un ensemble vis/écrou 59 à l'arrière du volet qui comprend un ressort 57 de placage interposé entre l'écrou et le volet.In addition, a screw / nut assembly 59 is provided at the rear of the flap which comprises a plating spring 57 interposed between the nut and the flap.

Cette patte comprend un trou oblong 56 sur sa partie avant orienté suivant l'axe longitudinal de la patte et un perçage 58 à son extrémité arrière.This tab includes an oblong hole 56 on its front part oriented along the longitudinal axis of the tab and a hole 58 at its rear end.

L'assise est composée également d'un séparateur 60, à section en L. L'aile horizontale 62 comprend un trou oblong 64 sur sa partie avant orienté longitudinalement et un alésage 66 à sa partie arrière. Quant à l'aile verticale elle a une hauteur progressive passant de h à l'arrière à H vers l'avant.The seat also comprises a separator 60, with an L-shaped section. The horizontal wing 62 comprises an oblong hole 64 on its front part oriented longitudinally and a bore 66 at its rear part. As for the vertical wing, it has a progressive height passing from h at the rear to H towards the front.

Les moyens de maintien latéral 68 comportent une plaque à section en L l'aile horizontale 70 comprenant deux lumières oblongues 72 et 74 transversales de réglage.The lateral holding means 68 comprise a plate with an L-shaped section, the horizontal wing 70 comprising two oblong slots 72 and 74 for transverse adjustment.

Sur la figure 4 on a représenté la dossier 12 qui est composé d'une plaque verticale à section en U avec deux prolongements latéraux droit et gauche pliés 15 formant raidisseur.In Figure 4 there is shown the folder 12 which is composed of a vertical plate with U-section with two folded right and left lateral extensions 15 forming a stiffener.

Sur les ailes du U il est prévu deux lumières 76, orientées longitudinalement ainsi que deux paires de trous oblongs 80 orienté également longitudinalement, au droit des lumières.On the wings of the U there are provided two slots 76, oriented longitudinally as well as two pairs of oblong holes 80 oriented also longitudinal lie, at the right of the lights.

A sa partie supérieure, le dossier comprend deux trous 84 et à sa partie inférieure deux trous oblongs 86 orientés longitudinalement.At its upper part, the backrest comprises two holes 84 and at its lower part two oblong holes 86 oriented longitudinally.

De plus, les ailes comportent chacune deux trous 88, 90 respectivement prévus pour coopérer avec un axe de rotation et pour recevoir des moyens de fixation.In addition, the wings each have two holes 88, 90 respectively provided to cooperate with an axis of rotation and to receive fixing means.

A la partie inférieure du dossier, il est prévu deux pattes 92 parallèles aux ailes du LJ, munies également de deux trous 94, 96 respectivement prévus pour recevoir un axe de rotation et des moyens de fixation.At the lower part of the backrest, two legs 92 are provided parallel to the wings of the L J, also provided with two holes 94, 96 respectively provided for receiving an axis of rotation and fixing means.

Les extrémités inférieures des deux pattes sont reliées par une tringle 98 munie de moyens de rappel 100 sous la forme d'un ressort hélicoïdal 102 relié à l'assise ainsi que cela sera expliqué ultérieurement.The lower ends of the two legs are connected by a rod 98 provided with return means 100 in the form of a helical spring 102 connected to the seat as will be explained later.

Des appuis sous axillaire 104 sont prévus pour être montés également sur le dossier. Ces appuis sous axillaire comprennent une plaque 105 de profil sensiblement en L, la partie horizontale 106 du L étant munie de deux trous oblongs 108. Quant à la partie verticale 110 du L, elle a un profil légèrement courbé ainsi que cela est représenté sur cette figure 3.Axillary supports 104 are provided to also be mounted on the backrest. These sub axillary supports include a plate 105 with a substantially L-shaped profile, the horizontal part 106 of the L being provided with two oblong holes 108. As for the vertical part 110 of the L, it has a slightly curved profile as shown in this figure 3.

Une cale lombaire 112 est également prévue pour être montée sur ce dossier. Elle comprend une plaque 114 légèrement courbe munie de tiges filetées 116 de fixation.A lumbar support 112 is also provided to be mounted on this backrest. It comprises a slightly curved plate 114 provided with threaded rods 116 for fixing.

La têtière 118 comprend une plaque 120 munie d'un partie centrale 122 courbe. Les parties latérales 124 de cette têtière comportent deux trous oblongs 126 orientés longitudinalement ainsi que deux trous 127. Un accessoire de cette têtière 118 est représenté également sur cette figure 3. Il est constitué d'un arceau 130 en demi-cercle muni de trous 132.The headrest 118 comprises a plate 120 provided with a curved central portion 122. The lateral parts 124 of this headrest have two oblong holes 126 oriented longitudinally as well as two holes 127. An accessory of this headrest 118 is also shown in this figure 3. It consists of a semi-circular arch 130 provided with holes 132 .

Le montage de l'ensemble du siège est décrit ci-après.The assembly of the entire seat is described below.

L'embase 14 reçoit à sa partie inférieure le raidisseur 24. Les ailes 18 et 36 respectivement de l'embase et du raidisseur étant parallèles.The base 14 receives at its lower part the stiffener 24. The wings 18 and 36 respectively of the base and the stiffener being parallel.

L'embase 14 et le raidisseur 24 ainsi positionné reçoivent à travers les lumières 17 et 27 les oreilles 28 solidaires de la plaque 30.The base 14 and the stiffener 24 thus positioned receive, through the slots 17 and 27, the ears 28 secured to the plate 30.

L'ensemble des trois éléments est ensuite fixé par rivetage.All three elements are then fixed by riveting.

Les supports de cuisse 44 sont positionnée à l'avant de ce nouvel ensemble constituant l'assise de façon que le volet 46 soit parallèle au plan de l'assise. Pour chaque support un ensemble boulon/écrou passe à travers le trou 58 de la patte de liaison 54 et coulisse dans le trou oblong 40 de l'aile 36 correspondante du raidisseur.The thigh supports 44 are positioned at the front of this new assembly constituting the seat so that the flap 46 is parallel to the plane of the seat. For each support, a bolt / nut assembly passes through the hole 58 of the connecting lug 54 and slides in the oblong hole 40 of the corresponding wing 36 of the stiffener.

Par ailleurs, un second ensemble boulon/écrou est monté à travers le trou oblong 56 de cette même patte et coulisse dans le trou oblong 38 de l'aile 36 correspondante du raidisseur.Furthermore, a second bolt / nut assembly is mounted through the oblong hole 56 of this same tab and slides in the oblong hole 38 of the corresponding wing 36 of the stiffener.

Le volet 46 du support de cuisse 44 est ainsi fixé en deux points de façon réglable par rapport à l'assise. Il en est de même pour le second support de cuisse.The flap 46 of the thigh support 44 is thus fixed at two points so as to be adjustable relative to the seat. It is the same for the second thigh support.

Le ressort 57 interposé entre la face inférieure du raidisseur et l'écrou de l'ensemble boulon écrou 59 assure le plaquage de la partie arrière du volet sur la face supérieure de l'embase.The spring 57 interposed between the underside of the stiffener and the nut of the bolt-nut assembly 59 ensures the plating of the rear part of the flap on the upper face of the base.

Les séparateurs droit et gauche sont montés chacun sur le support de cuisse correspondant. grâce à deux ensembles boulon-écrou passant respectivement à travers l'alésage 66 de l'aile horizontale du séparateur 62 et à travers le trou oblong 52 du volet 46 et à travers les trous oblongs 64 du séparateur et 50 du volet, orientés suivant des directions croisées.The right and left dividers are each mounted on the corresponding thigh support. by means of two bolt-nut assemblies passing respectively through the bore 66 of the horizontal wing of the separator 62 and through the oblong hole 52 of the flap 46 and through the oblong holes 64 of the separator and 50 of the flap, oriented according to crossed directions.

Les moyens de maintien latéral 68 sont introduits à travers les lumières 16 et 26 de l'embase et du raidisseur.The lateral holding means 68 are introduced through the slots 16 and 26 of the base and the stiffener.

Le montage du dossier s'effectue de la façon suivante.The backrest is assembled as follows.

Les pattes 92 sont fixées aux ailes droite et gauche du dossier par rivetage dans les trous 90 de ces ailes.The legs 92 are fixed to the right and left wings of the backrest by riveting in the holes 90 of these wings.

Les pattes 92 sont introduites à travers les lumières 27 et 17 du raidisseur et de l'embase pour faire saillie au-dessus de l'assise, parallèlement aux oreilles 28.The legs 92 are introduced through the slots 27 and 17 of the stiffener and of the base to project above the seat, parallel to the ears 28.

La tringle 98 est fixée dans les trous correspondants des pattes, cette tringle passant à travers les lumières crantées 42 des ailes 36 du raidisseur.The rod 98 is fixed in the corresponding holes of the legs, this rod passing through the notched slots 42 of the wings 36 of the stiffener.

Un axe de rotation, non représenté, est introduit à travers les trous 94 des pattes et 88 des ailes du dossier et à travers les trous oblongs 34 des oreilles 28.An axis of rotation, not shown, is introduced through the holes 94 of the legs and 88 of the wings of the backrest and through the oblong holes 34 of the ears 28.

Les moyens de rappel 100, comprenant le ressort 102, déjà fixé sur la tringle 98 par une extrémité sont reliés à un point d'accrochage du raidisseur, non représenté pour la clarté du dessin.The return means 100, comprising the spring 102, already fixed on the rod 98 by one end are connected to a point of attachment of the stiffener, not shown for clarity of the drawing.

Les appuis sous axillaire 104 peuvent être mis en place sur le dossier en introduisant la partie horizontale 106 dans une position verticale à travers les lumières 76 du dossier.The under axillary supports 104 can be placed on the backrest by introducing the horizontal part 106 in a vertical position through the openings 76 in the backrest.

Des ensembles vis/écrou passent à travers les trous oblongs 108 de ces appuis sous axillaire et à travers les trous oblongs 80 du dossier.Screw / nut assemblies pass through the oblong holes 108 of these axillary supports and through the oblong holes 80 of the backrest.

Le montage de la têtière 118 s'effectue grâce à deux ensembles vis-écrou passant à travers les trous 84 du dossier et les trous oblongs 126 ménagés dans les ailes 124 de cette têtière.The headrest 118 is mounted using two screw-nut assemblies passing through the holes 84 in the backrest and the oblong holes 126 formed in the wings 124 of this headrest.

Le montage de l'accessoire 128 s'effectue en utilisant deux ensembles vis/écrou en les faisant passer à travers les trous 132 de l'accessoire et 127 de la têtière.The accessory 128 is assembled using two screw / nut assemblies by passing them through the holes 132 of the accessory and 127 of the headrest.

Le dernier élément du dossier, à savoir l'appui lombaire 112 est monté de façon similaire en positionnant les tiges filetées 116 à travers les trous oblongs 86 du dossier. Il faut également prévoir des écrus accessibles par l'arrière du dossier. Un ressort à forte raideur est interposé entre l'appui et le dossier à la façon d'un amortisseur.The last element of the backrest, namely the lumbar support 112, is mounted in a similar manner by positioning the threaded rods 116 through the oblong holes 86 in the backrest. It is also necessary to provide ecru accessible from the back of the backrest. A spring with high stiffness is interposed between the support and the backrest in the manner of a shock absorber.

Le siège ainsi monté s'utilise de la façon décrite ci-après.The seat thus mounted can be used as described below.

La personne est assise dans le siège et correctement positionnée en fonction de son handicap. Ensuite, les ajustements nécessaires sont réalisés manuellement, l'inclinaison des supports de cuisse s'effectue en faisant jouer les volets 46 grâce au coulissement des ensembles vis/écrou à travers les lumières 40 et les lumières croisées 38 et 56.The person is seated in the seat and correctly positioned according to their handicap. Then, the necessary adjustments are made manually, the inclination of the thigh supports is effected by making the flaps 46 play by sliding the screw / nut assemblies through the slots 40 and the crossed slots 38 and 56.

Ainsi, chaque support de cuisse droit et gauche peut être réglé indépendamment en longueur et inclinaison.Thus, each right and left thigh support can be adjusted independently in length and inclination.

L'inclinaison vers le haut de ce volet évite tout glissement de la partie inférieure du corps vers l'avant.The upward inclination of this flap prevents any sliding of the lower part of the body forward.

La longueur est réglée de façon que l'ensemble de la cuisse porte sur le volet, ce qui diminue la pression d'appui puisque la surface de contact est augmentée. D'autre part ce réglage en longueur permet de compenser une inégalité du segment fémoral.The length is adjusted so that the entire thigh bears on the flap, which decreases the contact pressure since the contact surface is increased. On the other hand, this length adjustment makes it possible to compensate for an inequality of the femoral segment.

De plus cette inclinaison permet une flexion du segment fémoral sur le tronc ce qui conduit à la fermeture de l'angle bassin-fémur, afin d'éviter le schéma en extension.In addition, this inclination allows the femoral segment to flex on the trunk, which leads to the closure of the pelvis-femur angle, in order to avoid the diagram in extension.

A leur tour, les deux séparateurs droit et gauche solidaires du volet sont ajustés en longueur et angulairement de façon à conférer aux deux jambes un angle d'ouverture donné.In turn, the two right and left separators integral with the flap are adjusted in length and angularly so as to give the two legs a given opening angle.

Il suffit ensuite de rapprocher les moyens de maintien latéral 68 droit et gauche de chacune des jambes correspondantes.Then simply bring the lateral holding means 68 right and left of each of the corresponding legs.

Les différentes inclinaisons et l'orientation de ces moyens de maintien latéral permet de mettre une cuisse en abduction du segment fémoral.The different inclinations and the orientation of these lateral support means allows a thigh to be abducted from the femoral segment.

Le dossier est réglé en inclinaison par rapport à l'assise en appuyant du haut vers le bas et suivant l'axe longitudinal du dossier, ce qui a pour effet d'annuler l'effort de rappel du ressort et de débloquer la tringle 98 des crans 42. Le dossier, toujours en appuyant, peut donc pivoter autour de l'axe passant à travers les oreilles 34 et les trous 88 du dossier.The backrest is adjusted in inclination relative to the seat by pressing from top to bottom and along the longitudinal axis of the backrest, which has the effect of canceling the spring return force and unlocking the rod 98 of the notches 42. The backrest, still pressing, can therefore pivot around the axis passing through the ears 34 and the holes 88 in the backrest.

Dès relâchement de la pression, la tringle 98 se loge dans l'un des crans du trou cranté 42. Sous l'effet de rappel du ressort le dossier est maintenu dans la position ainsi définie.As soon as the pressure is released, the rod 98 is housed in one of the notches of the notched hole 42. Under the spring return effect, the backrest is maintained in the position thus defined.

L'ajustement de l'appui lombaire 112 s'effectue par l'arrière du dossier, grâce à un écrou, contre écrou et le ressort.The lumbar support 112 is adjusted from the rear of the backrest, using a nut, lock nut and the spring.

Le réglage des appuis sous axillaire 104, droit et gauche, s'effectue de façon aisée en largeur, en hauteur et en orientation autour d'un axe perpendiculaire au plan du dossier.The adjustment of the under axillary supports 104, right and left, is carried out easily in width, in height and in orientation around an axis perpendicular to the plane of the backrest.

Ce réglage est obtenu grâce aux quatre trous oblongs croisés du soutien d'aisselle et du dossier.This adjustment is obtained thanks to the four crossed oblong holes of the armpit support and the backrest.

De la même façon on procède au réglage de la têtière et à la mise en place ou au retrait de l'accessoire 128.In the same way, the headrest is adjusted and the accessory 128 is put in or out.

Les possibilités de réglage et d'adaptation de ce siège sont très importantes en tout point du corps.The adjustment and adaptation possibilities of this seat are very important anywhere in the body.

Ainsi, 2 à 4 modèles suffisent pour couvrir l'évolution de l'enfant à l'adulte tant en taille qu'en poids.Thus, 2 to 4 models are enough to cover the evolution from child to adult both in size and in weight.

Le matériau utilisé est une matière plastique vendue sous le nom ABS dans un mode de réalisation préféré de l'invention, ce qui conduit & une structure légère. Certaines pièces, telles quatre le raidisseur notamment, peuvent être réalisées en aluminium.The material used is a plastic sold under the name ABS in a preferred embodiment of the invention, which leads to a light structure. Some parts, such as the stiffener in particular, can be made of aluminum.

D'autre part, les profils sont obtenus par déformation à chaud de plaques découpées ce qui donne aux différents éléments, volet, appui sous axillaire, têtière, une certaine élasticité et des angles arrondis qui vont dans le sens de la sécurité.On the other hand, the profiles are obtained by hot deformation of cut plates which gives the various elements, flap, support under the axillary, headrest, a certain elasticity and rounded angles which go in the direction of safety.

Sur la figure 5, la variante de séparateur 148 représentée comprend un axe vertical 150 déplaçable entre les supports de cuisse dans une fente supplémentaire 152 et 154 ménagée dans l'embase 14 et le raidisseur 24. (La représentation est en trait discontinu sur la figure 2). Les séparateurs 60 sont supprimés ainsi que les trous oblongs 52 et 50.In FIG. 5, the variant of separator 148 shown comprises a vertical axis 150 movable between the thigh supports in an additional slot 152 and 154 formed in the base 14 and the stiffener 24. (The representation is in broken lines in the figure 2). The separators 60 are eliminated as well as the oblong holes 52 and 50.

La variante de séparateur 148 comprend deux plaques 149 orientables montées à rotation autour de l'axe par une de leurs extrémités.The variant of separator 148 comprises two orientable plates 149 mounted for rotation about the axis by one of their ends.

Le serrage axial de l'axe grâce à l'écrou 156 permet le blocage des plaques en orientation et l'axe proprement dit en translation.The axial tightening of the axis with the nut 156 allows the plates to be locked in orientation and the axis proper in translation.

Sur la figure 6, on a représenté un support mobile prévu pour coopérer notamment avec le siège médical décrit ci-avant.In Figure 6, there is shown a movable support intended to cooperate in particular with the medical seat described above.

Ce support mobile comprend deux bras avant 210, munis chacun à l'une de leurs extrémités 212 de roues 214 orientables tandis que leur autre extrémité 216 est fixée sur une platine 218.This mobile support comprises two front arms 210, each provided at one of their ends 212 with steerable wheels 214 while their other end 216 is fixed on a plate 218.

Ces deux bras font un angle a donné de l'ordre de 60° au départ de la platine 218.These two arms make a given angle of the order of 60 ° at the start of the plate 218.

Cette platine reçoit un fourreau 220, disposé sensiblement verticalement, fourreau qui est monté rotation autour de l'axe 217 par rapport à la platine 218 à son extrémité supérieure et qui reçoit à son extrémité inférieure une patte 222 munie d'une vis 224 destinée à coopérer avec un essieu arrière 226 aux extrémités duquel sont montées à rotation des roues 228.This plate receives a sheath 220, arranged substantially vertically, sheath which is rotatably mounted about the axis 217 relative to the plate 218 at its upper end and which receives at its lower end a tab 222 provided with a screw 224 intended for cooperate with a rear axle 226 at the ends of which wheels 228 are rotatably mounted.

Cet essieu arrière 226 comprend deux jambes de force 230, soudées chacune à proximité immédiate de l'une des extrémités de l'essieu, tandis que l'autre extrémité de ces jambes de force 230 est montée à rotation autour d'axes 232 par rapport au bras 210 correspondant.This rear axle 226 comprises two struts 230, each welded in the immediate vicinity of one of the ends of the axle, while the other end of these struts 230 is mounted for rotation about axes 232 with respect to to the corresponding arm 210.

A l'intérieur du fourreau 220, il est prévu un vérin 234 dont le corps 236 est solidaire du fourreau tandis que le piston 238 est solidaire d'une embase 240 prévue pour recevoir le siège grâce à des fentes d'engagement 242.Inside the sheath 220, a jack 234 is provided, the body 236 of which is secured to the sheath while the piston 238 is secured to a base 240 provided for receiving the seat by means of engagement slots 242.

Ces fentes 242 sont ménagées dans les ailes 244 de l'embase 240 dont la section est en U.These slots 242 are formed in the wings 244 of the base 240 whose section is U-shaped.

A la partie inférieure de l'embase 240, il est prévu des flasques 246 munis de trous curvilignes 248 prévus pour recevoir des pattes 250 à l'extrémité desquelles sont prévus des repose-pied 252, articulés par rapport à cette même patte autour d'un axe 254.At the lower part of the base 240, there are provided flanges 246 provided with curvilinear holes 248 intended to receive legs 250 at the end of which are provided footplates 252, articulated relative to this same leg around an axis 254.

A la partie arrière de la platine 218 il est prévu un bras de poussée 256 à l'extrémité duquel sont montées des poignées 258 fixées sur une barre 260 perpendiculaire au bras de poussée 256.At the rear part of the plate 218 there is provided a push arm 256 at the end of which are mounted handles 258 fixed on a bar 260 perpendicular to the push arm 256.

A l'extrémité de liaison 262 du bras de poussée 256 avec la platine 218, il est prévu un système de fixation amovible qui coopère avec des crans 264 ménagés à la partie arrière de ladite platine de façon que le bras puisse être réglé angulairement dans le plan vertical ou retiré en totalité.At the connecting end 262 of the pushing arm 256 with the plate 218, there is provided a removable fixing system which cooperates with notches 264 formed in the rear part of said plate so that the arm can be adjusted angularly in the vertical plane or completely removed.

Le fonctionnement du support mobile selon l'invention est maintenant décrit.The operation of the mobile support according to the invention is now described.

Le siège médical est fixé sur l'embase 240, en disposant deux barres de liaison solidaires par exemple du raidisseur 24 et l'embase 14 dans les fentes 242, ces barres étant transversales et ayant un écartement correspondant à celui des fentes de positionnement 242.The medical seat is fixed to the base 240, by having two connecting bars integral for example with the stiffener 24 and the base 14 in the slots 242, these bars being transverse and having a spacing corresponding to that of the positioning slots 242.

Il peut être utilement prévu des moyens de blocage sous forme de levier pivotant clipsable ou de vis quart de tour, non représentés pour la clarté du dessin, mais à la portée de l'homme de l'art et bine connue dans le domaine technique des sièges médicaux.Locking means may be usefully provided in the form of a clipping pivoting lever or quarter-turn screws, not shown for the sake of clarity of the drawing, but within the reach of those skilled in the art and well known in the technical field of medical seats.

L'utilisateur peut donc déplacer le support mobile à la façon d'une poussette puisque les roues avant sont orientables ce qui permet de la diriger, et les roues arrière étant fixes assurent une grande partie de la reprise de la charge.The user can therefore move the mobile support like a stroller since the front wheels are steerable which allows it to be steered, and the rear wheels being fixed ensure a large part of the load recovery.

On constate que la stabilité de l'ensemble est préservé par l'écartement des bras avant et le report du centre de gravité relativement proche du sol.It can be seen that the stability of the assembly is preserved by the spacing of the front arms and the transfer of the center of gravity relatively close to the ground.

Le bras de poussée 256 est par ailleurs réglable ce qui permet à l'accompagnateur de positionner à sa convenance la barre 260 transversale et par là même les poignées 258.The pushing arm 256 is also adjustable which allows the guide to position the transverse bar 260 and thereby the handles 258 at his convenience.

On constate par ailleurs à l'usage que ce type de support mobile est excessivement maniable puisque le bras de poussée constitue un levier important par rapport à la distance séparant le centre de gravité de l'essieu arrière, si bien que le passage de trottoirs ou d'obstacles est grandement facilité.It is also found in use that this type of mobile support is excessively handy since the thrust arm constitutes an important lever with respect to the distance separating the center of gravity from the rear axle, so that the passage of sidewalks or of obstacles is greatly facilitated.

Par ailleurs, durant le déplacement, le vérin qui dispose d'une fonction amortisseur sur une course faible améliore grandement le confort de ce siège médical et limite la transmission des irrégularités de la voie de roulage au siège et par conséquent à la personne qui y est installée.Furthermore, during movement, the jack which has a damping function on a short stroke greatly improves the comfort of this medical seat and limits the transmission of irregularities from the taxiway to the seat and therefore to the person therein. installed.

Par ailleurs, si cela s'avère nécessaire, le vérin de type connu, dispose également d'un réglage en hauteur par paliers de façon que la hauteur de l'embase 240 puisse être réglée aisément par rapport au sol.Furthermore, if necessary, the known type of cylinder also has a height adjustment in steps so that the height of the base 240 can be easily adjusted relative to the ground.

Tel que monté, le repose-pieds est également réglable tant en inclinaison qu'en longueur, ce qui facilite également les ajustements.As fitted, the footrest is also adjustable both in inclination and in length, which also facilitates adjustments.

Le support mobile selon l'invention est également prévu pour être plié de façon à réduire son encombrement, notamment lorsqu'il n'est pas utilisé et qu'il doit être transporté dans un véhicule classique.The mobile support according to the invention is also intended to be folded so as to reduce its size, in particular when it is not used and that it must be transported in a conventional vehicle.

Après avoir retiré le siège médical, la vis 224 est desserrée de façon que l'organe de liaison 222 soit désolidarisé de l'essieu arrière 226.After removing the medical seat, the screw 224 is loosened so that the connecting member 222 is detached from the rear axle 226.

L'ensemble essieu/roue et jambe de force 230 étant libéré, il peut être replié vers l'avant sous les bras 210.The axle / wheel and strut 230 assembly being released, it can be folded forward under the arms 210.

Le bras de poussée 256 est également retiré de l'ensemble par désolidarisation de l'organe de liaison 262 de la platine 218. Il suffit ensuite de faire tourner le fourreau 220 contenant le piston 234 autour de l'axe 217 pour ramener l'extrémité inférieure de ce fourreau à proximité immédiate des bras 210.The pushing arm 256 is also removed from the assembly by detaching the connecting member 262 from the plate 218. It then suffices to rotate the sleeve 220 containing the piston 234 around the axis 217 to bring the end lower of this sheath in the immediate vicinity of the arms 210.

Ainsi l'embase 240 se retrouve sensiblement perpendiculaire au bras 210, tandis que le fourreau se retrouve sensiblement parallèle à ces mêmes bras.Thus the base 240 is found substantially perpendicular to the arm 210, while the sheath is found substantially parallel to these same arms.

L'ensemble est compact et l'encombrement en est donc réduit.The assembly is compact and the space requirement is therefore reduced.

Il est précisé que l'ensemble repose-pieds étant mobile en rotation et en longueur est également replié de façon adéquate afin d'être rapproché à proximité des mêmes bras 210.It is specified that the footrest assembly being movable in rotation and in length is also folded adequately so as to be brought close to the same arms 210.

Claims (10)

1. Siège médical comprenant une assise (14) un dossier articulé (12) par rapport à cette assise, caractérisé en ce qu'il comprend au moins un support de cuisse (44) muni de moyens d'articulation par rapport à l'assise et disposé à l'avant de cette assise.1. Medical seat comprising a seat (14) an articulated backrest (12) relative to this seat, characterized in that it comprises at least one thigh support (44) provided with means of articulation relative to the seat and arranged at the front of this seat. 2. Siège médical selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend au moins un séparateur (60, 148) disposé dans la partie médiane du support de cuisse fixé sur le support de cuisse.2. Medical seat according to any one of the preceding claims, characterized in that it comprises at least one separator (60, 148) disposed in the middle part of the thigh support fixed on the thigh support. 3. Siège médical selon la revendication 2, caractérisé en ce que le séparateur (148) comprend un axe vertical (150) et deux plaques (149) montées à rotation autour de cet axe vertical ainsi qu'un moyen de blocage des plaques dans une position angulaire donnée.3. A medical seat according to claim 2, characterized in that the separator (148) comprises a vertical axis (150) and two plates (149) mounted to rotate about this vertical axis as well as a means for blocking the plates in a given angular position. 4. Siège médical selon la revendication 1 ou 2, caractérisé en ce que le séparateur (60) est double et comprend deux profilés en munis de moyens d'articulation par rapport au support de cuisse.4. A medical seat according to claim 1 or 2, characterized in that the separator (60) is double and comprises two profiles provided with articulation means relative to the thigh support. 5. Siège médical selon la revendication 1, caractérisé en ce que le support de cuisse (44) est double et composé de deux volets (46) sensiblement parallèles et horizontaux, munis de moyens d'articulation (54, 56, 58) par rapport à l'assise (14) de façon à régler chaque volet indépendamment en inclinaison, en hauteur et en longueur par rapport à l'assise.5. Medical seat according to claim 1, characterized in that the thigh support (44) is double and composed of two flaps (46) substantially parallel and horizontal, provided with articulation means (54, 56, 58) relative seat (14) so as to adjust each shutter independently in inclination, in height and in length with respect to the seat. 6. Siège médical selon la revendication 5, caractérisé en ce que les moyens d'articulation du volet comprennent un premier axe transversal coopérant avec un alésage (58) du volet et un trou oblong (40) ménagé dans l'assise et un second axe transversal coopérant avec deux trous oblongs (38) de l'assise et (56) du volet.6. A medical seat according to claim 5, characterized in that the means of articulation of the flap comprise a first transverse axis cooperating with a bore (58) of the flap and an oblong hole (40) formed in the seat and a second axis transverse cooperating with two oblong holes (38) of the seat and (56) of the flap. 7. Siège médical selon la revendication 6, caractérisé en ce que en ce que le séparateur (148) comprend un axe vertical (150) et deux plaques (149) montées à rotation autour de cet axe vertical ainsi qu'un moyen de blocage des plaques dans une position angulaire donnée, l'axe vertical étant monté directement sur l'assise entre les deux volets.7. Medical seat according to claim 6, characterized in that in the separator (148) comprises a vertical axis (150) and two plates (149) rotatably mounted about this vertical axis as well as a means for blocking plates in a given angular position, the vertical axis being mounted directly on the seat between the two flaps. 8. Siège médical selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend en outre des moyens de maintien latéral (68) et des soutiens d'aisselle (104) munis de moyens de réglage en translation et en orientation respectivement par rapport à l'assise (14) et au dossier (12), un appui lombaire (112) réglable en saillie par rapport au dossier ainsi qu'une têtière (118) réglable en hauteur et comprenant des moyens pour recevoir des accessoires.8. Medical seat according to any one of the preceding claims, characterized in that it further comprises lateral support means (68) and armpit supports (104) provided with means for adjusting translation and orientation respectively. relative to the seat (14) and the backrest (12), a lumbar support (112) adjustable in projection relative to the backrest as well as a headrest (118) adjustable in height and comprising means for receiving accessories. 9. Support mobile associé au siège médical selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend un châssis comportant deux bras (210) avant munis chacun à l'une de leurs extrémités d'une roue orientable (214), une platine centrale (218) prévue pour recevoir l'assise (14) du siège, ladite platine étant montée sur un amortisseur (234) d'une part et solidaire à sa partie inférieure d'un essieu (236) arrière d'autre part, cet essieu portant une roue (226) à chacune de ses extrémités, l'ensemble étant complété par deux jambes de forces (230) interposées entre les bras et l'essieu arrière.9. mobile support associated with the medical seat according to any one of the preceding claims, characterized in that it comprises a chassis comprising two front arms (210) each provided at one of their ends with a steerable wheel (214) , a central plate (218) designed to receive the seat (14) of the seat, said plate being mounted on a damper (234) on the one hand and integral with its lower part of a rear axle (236) on the other part, this axle carrying a wheel (226) at each of its ends, the assembly being completed by two struts (230) interposed between the arms and the rear axle. 10. Support mobile selon la revendication 9, caractérisé en ce qu'il comprend un bras de poussée (256) réglable en inclinaison dans le plan vertical et muni de moyens de liaison amovibles avec le châssis.10. Mobile support according to claim 9, characterized in that it comprises a thrust arm (256) adjustable in inclination in the vertical plane and provided with removable connection means with the chassis.
EP93400929A 1992-04-08 1993-04-08 Medical seat Expired - Lifetime EP0565453B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9204306A FR2689759B1 (en) 1992-04-08 1992-04-08 MEDICAL SEAT WITH REMOVABLE MOBILE SUPPORT.
FR9204306 1992-04-08

Publications (2)

Publication Number Publication Date
EP0565453A1 true EP0565453A1 (en) 1993-10-13
EP0565453B1 EP0565453B1 (en) 1996-12-18

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ID=9428639

Family Applications (1)

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EP93400929A Expired - Lifetime EP0565453B1 (en) 1992-04-08 1993-04-08 Medical seat

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EP (1) EP0565453B1 (en)
DE (1) DE69306643T2 (en)
FR (1) FR2689759B1 (en)

Cited By (6)

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WO1996039110A1 (en) * 1995-06-06 1996-12-12 Otto Bock Orthopädische Industrie Besitz- und Verwaltungs-Kommanditgesellschaft Orthotic seating system
WO2002065970A1 (en) * 2001-02-21 2002-08-29 Interco Gesellschaft Für Die Planung Und Den Vertrieb Von Reha Hilfen Mbh Adjustable seat frame
CN104053423A (en) * 2011-12-20 2014-09-17 家用医疗***有限公司 Child Seat Device For A Child And Stroller
CN107789152A (en) * 2017-11-15 2018-03-13 河南科技大学第附属医院 A kind of multi-functional Pediatric Clinic diagnostic device
CN112932870A (en) * 2021-02-02 2021-06-11 张慧杰 Multifunctional pediatric clinical diagnosis and treatment integrated device
CN115317302A (en) * 2022-07-29 2022-11-11 广西骨伤医院 Spine-shaping fixing chair

Families Citing this family (3)

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DE10304785A1 (en) * 2003-02-06 2004-08-26 Volker Knoche Spine supporting device, made of single elastic piece and specifically shaped seat area for wheelchair
US20230200556A1 (en) * 2021-03-22 2023-06-29 Halu Inc. Chair
DE102022116241A1 (en) * 2022-06-29 2024-01-04 Otto Bock Mobility Solutions Gmbh wheelchair

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US1527754A (en) * 1923-06-08 1925-02-24 Sylvester J Simon Relaxation chair
US2751967A (en) * 1954-05-05 1956-06-26 Ralph M Sitterley Seat and attachments for supporting crippled children in standard dental chairs
FR2190013A5 (en) * 1970-12-22 1974-01-25 Ortopedia Gmbh
GB2107975A (en) * 1981-10-29 1983-05-11 Stephen Lloyd Boakes Adjustable chair
US4617919A (en) * 1983-09-06 1986-10-21 Theradyne Corporation Wheelchair with posture supports
DE8903536U1 (en) * 1989-03-21 1989-05-11 Schick, Roland, 6725 Römerberg wheelchair

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Publication number Priority date Publication date Assignee Title
US1527754A (en) * 1923-06-08 1925-02-24 Sylvester J Simon Relaxation chair
US2751967A (en) * 1954-05-05 1956-06-26 Ralph M Sitterley Seat and attachments for supporting crippled children in standard dental chairs
FR2190013A5 (en) * 1970-12-22 1974-01-25 Ortopedia Gmbh
GB2107975A (en) * 1981-10-29 1983-05-11 Stephen Lloyd Boakes Adjustable chair
US4617919A (en) * 1983-09-06 1986-10-21 Theradyne Corporation Wheelchair with posture supports
DE8903536U1 (en) * 1989-03-21 1989-05-11 Schick, Roland, 6725 Römerberg wheelchair

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996039110A1 (en) * 1995-06-06 1996-12-12 Otto Bock Orthopädische Industrie Besitz- und Verwaltungs-Kommanditgesellschaft Orthotic seating system
WO2002065970A1 (en) * 2001-02-21 2002-08-29 Interco Gesellschaft Für Die Planung Und Den Vertrieb Von Reha Hilfen Mbh Adjustable seat frame
CN104053423A (en) * 2011-12-20 2014-09-17 家用医疗***有限公司 Child Seat Device For A Child And Stroller
CN104053423B (en) * 2011-12-20 2017-01-11 瓦伦廷·瑟杜克 Child Seat Device For A Child And Stroller
CN107789152A (en) * 2017-11-15 2018-03-13 河南科技大学第附属医院 A kind of multi-functional Pediatric Clinic diagnostic device
CN112932870A (en) * 2021-02-02 2021-06-11 张慧杰 Multifunctional pediatric clinical diagnosis and treatment integrated device
CN115317302A (en) * 2022-07-29 2022-11-11 广西骨伤医院 Spine-shaping fixing chair

Also Published As

Publication number Publication date
EP0565453B1 (en) 1996-12-18
DE69306643T2 (en) 1997-07-10
DE69306643D1 (en) 1997-01-30
FR2689759B1 (en) 1999-11-19
FR2689759A1 (en) 1993-10-15

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