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EP0155918B1 - Fauteuil roulant pour invalides - Google Patents

Fauteuil roulant pour invalides Download PDF

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Publication number
EP0155918B1
EP0155918B1 EP85830069A EP85830069A EP0155918B1 EP 0155918 B1 EP0155918 B1 EP 0155918B1 EP 85830069 A EP85830069 A EP 85830069A EP 85830069 A EP85830069 A EP 85830069A EP 0155918 B1 EP0155918 B1 EP 0155918B1
Authority
EP
European Patent Office
Prior art keywords
wheelchair
bar
seat
hinged
leg rest
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.)
Expired
Application number
EP85830069A
Other languages
German (de)
English (en)
Other versions
EP0155918A3 (en
EP0155918A2 (fr
Inventor
Amici Ivano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT85830069T priority Critical patent/ATE43492T1/de
Publication of EP0155918A2 publication Critical patent/EP0155918A2/fr
Publication of EP0155918A3 publication Critical patent/EP0155918A3/en
Application granted granted Critical
Publication of EP0155918B1 publication Critical patent/EP0155918B1/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • A61G5/14—Standing-up or sitting-down aids
    • 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
    • A61G5/006—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs convertible to stretchers or beds
    • 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
    • A61G5/128—Rests specially adapted therefor, e.g. for the head or the feet for 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
    • A61G2200/30—Specific positions of the patient
    • A61G2200/36—Specific positions of the patient standing

Definitions

  • the object of the present invention is to improve wheelchairs for disabled.
  • the invention relates to a wheelchair which has the peculiar characteristic of enabling movement in all directions, either horizontally, on the basis of already known technical principles, or, independently, vertically so that the patient may assume any position from lying horizontally to standing, using slow movements and without physical efforts.
  • Wheelchairs capable of raising a disabled to an upright position or to a lying position by operating an activator are already known in the art.
  • Said chairs allow the disabled to reach objects situated within the height reachable by persons and, therefore, to be more independent in usual home and work environments.
  • WO 79/00647 is described a wheelchair of the above type particularly simply constructed, which can perform said functions by a simple rod system.
  • Said rod system comprises two devices shaped as parallelogram, each including four arms mutually connected by means of hinges and hinged to the chassis of the wheelchairs.
  • Main object of the present invention is that of providing a wheelchairs of the above mentioned type realized in a still more simple way and allowing an easier maneuverability of the chair.
  • a wheelchair for a disabled person comprising a chassis, with wheels, a frame with chair-back, seat, leg rest, foot-rest and two movable arms, and a double symmetrical rods system, provided laterally with respect to the chassis and the frame, and connected to said chassis and frame; wherein each rods system comprises a first bar, parallel with respect to the seat, connected, at the back, to the seat by a second bar hinged to the seat and to the first bar, said first bar being, in front, coupled to the leg rest and hinged to a third bar hinged, at the other end, to the foot rest, the seat and the leg-rest are mutually hinged by a hinge; at least one load bearing castor is provided under the foot rest, and two actuator means are respectively provided between the chassis and the seat and between the chassis and the first bar; between said bars of said double symmetrical rods system being provided horizontal transverse connecting bars.
  • said wheels are idle and lifted off the ground during the movement of the wheelchair in its upright position, the stability of the wheelchair being ensured by said at least one load bearing castor.
  • each said castor is mounted at the end of the leg rest and is joined to said leg-rest by means of an element externally slidable along said leg rest and hinged to said second bar.
  • Said actuator means are, preferably, made of two linear electromagnetic actuators.
  • Working of one or the other of said actuators determines the motion of all the elements constituting the wheelchair from a horizontal position to a vertical one.
  • the main advantage of having equipped the wheelchair with linear electromagnetic actuators lies in the fact that in case of failure the wheelchair will remain temporarily blocked as it is and will not return abruptly to its original position, creating the easily imaginable consequences for the patient.
  • said bar and lever means which are positioned symmetrically on both sides of the wheelchair, include a horizontal bar, placed parallel to the seat and displaced towards the bottom, connected, at one end, to said seat by means of a semicircular bar and, in front, at the other end, to the leg rest, a profiled lever hinged, above, to said horizontal bar and, below, to the foot rest, transversal bars being provided for connecting the two symmetrical bar and lever systems rigidly together.
  • a second foot rest parallel to the abovesaid one, slightly higher up and rigidly fixed to the leg rest, is provided in order to avoid the weight of the legs on the first foot rest from having any effect on the inclination of the system of parallelisms.
  • said means to control the actuator means are advantageously a push-button control positioned on the arms, or levers, also positioned on the arms, or muscular impulse control, or vocal vibration control, or vocal code control means or remote drive control.
  • two belts on the chair-back and on the leg rest are provided so as to prevent the patient from slipping down from the wheelchair when in a vertical position.
  • said wheelchair comprises, in combination, two rear load-bearing wheels equipped with external rings, two front load-bearing idle wheels, one or two front rubber castors under the foot rest, two independent electrical motor reduction-units to control motion on the ground, a frame built with tubular elements to which the chair-back, the seat, the leg rest, the foot rest and the two movable arms are attached, two actuator means fixed, respectively, to the seat and to the leg rest, bar means and lever means hinged to said chair-back, leg rest and foot rest, and means to control said actuator means.
  • reference (1) indicates the chair-back of the wheelchair of the invention and reference (2) indicates one of the two movable arms.
  • the seat (7) and horizontal bar (5) are connected, hinged in (3) and (4) respectively, by means of a semicicular shaped bar (8).
  • said horizontal bar (5) is hinged in (10), being so connected to leg rest (11).
  • a shaped lever (16) is provided hinged to the leg rest in (14) and to the foot rest in (15).
  • FIG 1 also schematically illustrates the rear load-bearing wheels (17), the front idle load-bearing wheels (18) and the interior load-bearing castor (19).
  • the foot rest (20) is provided to avoid the weight of the patient on foot rest (12) from having any effect on the inclination of the other parts.
  • All of the horizontal movements can be obtained by means of the separate controls (22) fixed to the frame near each rear wheel (17) which enable forward and backward motion of the wheelchair.
  • Rotational motion is transmitted to the rear wheels (17) by means of a roller (13) keyed to the shaft projecting from the motor reduction-unit and compressed by a spring (not shown).
  • Figure 3 shows the linear actuators (23) and (24) hinged to the seat (7) in (25) and to the leg rest (11) in (26). Said actuators (24) and (25) are fixed below to the wheelchair frame (6) in (27) and (28).
  • the patient can operate actuator (24), which in its turn, takes effect on the leg rest (11) and, consequently, by means of the parallelisms illustrated in Figure 1, on the foot rest (12), the seat (7), and the chair-back (1), so that the patient can assume any one of the intermediate positions between the one shown in Figure 3 and the one shown in Figure 4.
  • FIG 6 instead, shows an embodiment of the wheelchair according to the invention, which differs from the one described previously only in some of its constructional aspects, the main features which embody the innovative quality of the invention remaining unaltered.
  • actuator (23) can be fixed (32), instead of in (27) as in the case of the previous embodiment.
  • the semicircular shape bar (8) is in this case, replaced by a bar (30) which has the shape of a "seven".
  • the castor (19) is mounted on axis with the lever (11 ), instead of at the end of the foot rest (12) and is joined to the lever (11) by means of the element (31) which is slidable externally along said lever (11).
  • the element (31) is hinged to the lever (16) in (15) in such a way that when the patient brings himself into an erect position (see Figure 5) equilibrium continues to be safeguarded by front castor (19).
  • This second embodiment is particularly suitable for street transportation both because of the possibility to provide for more than one accumulator (21) and because of the position of castor (19).

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Health & Medical Sciences (AREA)
  • Vehicle Body Suspensions (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Regulating Braking Force (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chairs Characterized By Structure (AREA)
  • Handcart (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Control And Safety Of Cranes (AREA)
  • Jib Cranes (AREA)

Claims (6)

1. Chaise roulante pour une personne incapable, comprennant un chassis (6) avec des roues antérieures et postérieures (17, 18), un cadre avec un dossier (1), un siège (7), un appui-jambe (11), un repose-pied (12,20) et deux bras mobiles (2) et un system double des barres symetriques (5, 8, 30, 16) placé latéralement au chassis (6) at au cadre et associé aux dits chassis (6) et cadre, dans laquelle chaque system des barres comprend une premiere barre (5), parallel au siège (7.) et associée, à son bout postérieur, avec le siège au moyen d'un deuxième barre (8, 30) articulée (3, 4) au siège (7) et à la premier barre (5), laditte premier barre (5) étant jointe, à son bout antérieur, au appui-jambe (11) et articulée à une troisieme barre (16) articulée, à son autre bout, au repose-pied (12, 20); le siège (7) et l'appui-jambe (11) sont articulés mutuellement au moyen d'un joint (9); au moins une roue orientable (19), capable d'être chargée, est placée sous le repose-pied (12, 20) et deux entraineurs (23, 24) sont placés respectivement entre le chassis (6) et le siège (7) et entre le chassis (6) et le premier barre (5); entre lesdittes barres du dit system double des barres symetriques étant placées des barres d'enclechement transversales horizontales.
2. Chaise roulante selon la revendication 1, caractérisée en ce que lesdits roues antérieures (16) sont roues libre et se levent du terrain pendant le mouvement de la chaise roulante dans sa position verticale, la stabilité de la chaise roulante étant assurée par laditte, au moins une roue orientable (19) capable d'être chargée.
3. Chaise roulante selon la revendication 1 ou 2, caractérisée en ce que deux roues orientables (19) capable d'être chargée sont prévuées.
4. Chaise roulante selon la revendication 3, caractérisée en ce que chaque roue orientable (19) est mountée au bout de l'appui-jambe (11) et est jointe au dit appui-jambe (11) au moyen d'un élément (31) coulissant extérieurement le long du dit appui-jambe (11) et articulé (15) à laditte deuxième barre (16).
5. Chaise reoulante selon les revendications 1-4, caracterisée en ce que lesdits entraineurs (23, 24) sont deux entraineurs électromagnétique.
6. Chaise roulante selon les revendications 1-5, caractérisée en ce que ils sont prevus des moyens de contrôl pour les entraineurs (23, 24) comprennants un bouton-poussoir de contrôl placé sur les bras (2), au leviers placés sur les bras (2), ou des moyens de contrôl capable de réagir à les poussées musculaires ou à vibrations vocales ou à codes vocales.
EP85830069A 1984-03-19 1985-03-18 Fauteuil roulant pour invalides Expired EP0155918B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85830069T ATE43492T1 (de) 1984-03-19 1985-03-18 Rollstuhl fuer invaliden.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT4788784 1984-03-19
IT8447887A IT1209917B (it) 1984-03-19 1984-03-19 Perfezionamento nelle carrozzelle per invalidi

Publications (3)

Publication Number Publication Date
EP0155918A2 EP0155918A2 (fr) 1985-09-25
EP0155918A3 EP0155918A3 (en) 1986-10-08
EP0155918B1 true EP0155918B1 (fr) 1989-05-31

Family

ID=11263132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85830069A Expired EP0155918B1 (fr) 1984-03-19 1985-03-18 Fauteuil roulant pour invalides

Country Status (5)

Country Link
EP (1) EP0155918B1 (fr)
AT (1) ATE43492T1 (fr)
DE (1) DE3570591D1 (fr)
ES (1) ES8605372A1 (fr)
IT (1) IT1209917B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2008217006B2 (en) * 2007-09-18 2012-05-24 Otto Bock Healthcare Gmbh Upright wheelchair

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0200223A3 (fr) * 1985-05-01 1988-05-25 Keith Leonard Sayed Fauteuil roulant
DE3633817A1 (de) * 1986-10-02 1988-05-05 Albert Winkelhoff Gmbh & Co Kg Fahrstuhl fuer behinderte
DE3921384C1 (fr) * 1989-06-29 1991-02-14 Erfi Produktions-Gmbh & Co Kg, 8637 Ahorn, De
US5605462A (en) * 1991-07-12 1997-02-25 Denne Developments Ltd. Motion imparting apparatus
GB2331963B (en) * 1997-10-22 2002-01-23 Andrew Paul Ockwell A pushchair stand and brake
GB9928001D0 (en) 1999-11-27 2000-01-26 Easy Care Prod Ltd Body support system for patients and the like
FR2901997B1 (fr) * 2006-06-07 2009-05-15 Lifestand Vivre Debout Soc A R Siege verticalisateur a dossier inclinable
CA2901769C (fr) 2013-02-18 2019-06-04 Roger Thomas Mascull And Elizabeth Jocelyn Mascull As Trustees Of The Rt And Ej Mascull Family Trust Un siege
CN103315861B (zh) * 2013-06-24 2016-02-24 黄耀文 一种角度可调的电动轮椅
CN110063846A (zh) * 2018-01-22 2019-07-30 广州市易控自动化工程有限公司 可以改变轴距并实现辅助站立及躺卧的新型轮椅
CN109009738B (zh) * 2018-07-16 2020-05-08 吉林大学 一种便于调节腿部承托角度的轮椅
CN109925132A (zh) * 2019-04-11 2019-06-25 广东博智林智能技术有限公司 可调节形态的电动轮椅和电动轮椅装置
DE102020129569A1 (de) * 2019-11-14 2021-05-20 Meyra Gmbh Elektrorollstuhl
CN112426287A (zh) * 2020-12-07 2021-03-02 高刚 座椅调节式轮椅

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572149A (en) * 1949-06-03 1951-10-23 Sylvia Hind Wheel chair attachment
US3379450A (en) * 1966-04-28 1968-04-23 Technical Mfg Corp Adjustable wheelchair device
DK77778A (da) * 1978-02-21 1979-08-22 G O V Rasmussen Koerestol

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2008217006B2 (en) * 2007-09-18 2012-05-24 Otto Bock Healthcare Gmbh Upright wheelchair

Also Published As

Publication number Publication date
ES541389A0 (es) 1986-03-16
EP0155918A3 (en) 1986-10-08
ATE43492T1 (de) 1989-06-15
EP0155918A2 (fr) 1985-09-25
ES8605372A1 (es) 1986-03-16
IT8447887A0 (it) 1984-03-19
IT1209917B (it) 1989-08-30
DE3570591D1 (en) 1989-07-06

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