EP1743612A2 - Fauteuil roulant pour handicapés - Google Patents

Fauteuil roulant pour handicapés Download PDF

Info

Publication number
EP1743612A2
EP1743612A2 EP06014670A EP06014670A EP1743612A2 EP 1743612 A2 EP1743612 A2 EP 1743612A2 EP 06014670 A EP06014670 A EP 06014670A EP 06014670 A EP06014670 A EP 06014670A EP 1743612 A2 EP1743612 A2 EP 1743612A2
Authority
EP
European Patent Office
Prior art keywords
seat
support
chassis
wheelchair
seat part
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
EP06014670A
Other languages
German (de)
English (en)
Other versions
EP1743612A3 (fr
EP1743612B1 (fr
Inventor
Wayne H. Hanson
Stephen M. Sanford
Edward D. Urband
William B. Phelps
Dale A. Mandeville
Gregor Horacek
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.)
Kids Up Inc
Original Assignee
Kids Up Inc
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 Kids Up Inc filed Critical Kids Up Inc
Publication of EP1743612A2 publication Critical patent/EP1743612A2/fr
Publication of EP1743612A3 publication Critical patent/EP1743612A3/fr
Application granted granted Critical
Publication of EP1743612B1 publication Critical patent/EP1743612B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61G5/12—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
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • 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
    • A61G5/1054—Large wheels, e.g. higher than 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
    • 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
    • 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
    • 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
    • A61G5/107—Arrangements for adjusting the seat positioning the whole seat forward or rearward
    • 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
    • A61G5/1075—Arrangements for adjusting the seat tilting the whole seat backwards

Definitions

  • the invention relates to a wheelchair for physically disabled persons, having a seat mounted in a chassis, a backrest part and a seat part , wherein the backrest part is pivotally mounted in the chassis, and the backrest part and the seat part are freely pivotally connected to each other, and the seat part in the region of its backrest part facing away from the end relative to the chassis is slidably mounted in this.
  • Such a wheelchair is intended in particular for the admission under spastic convulsions of suffering persons.
  • uncontrolled impulses are delivered to the musculature, leading to a spasmodic muscle tension, which generally causes a body extension.
  • a wheelchair makes it possible by muscle power to pivot the backrest with respect to the seat.
  • a footrest of the wheelchair can be pivoted in the straight position to the seat, especially if the patient is fixed in a wheelchair.
  • the seat can thus follow the movement of the patient initiated by the muscular tension, so that the muscle force actually leads to a body extension and is not caught by fastening means for fixing the patient.
  • a wheelchair of the type mentioned is from the EP 0 911 008 A2 known.
  • a linear guide is attached to the chassis below the seat part, on the displaceable component, the seat part is pivotally articulated.
  • the displaceable component may act on train loaded tension spring which the seat part to the rear, ie the backrest part, pulls, so that the seat part and the backrest part are pulled into the normal angled seating position.
  • the lower part is attached to the linear guide on an L-shaped frame part of the chassis.
  • the upper end of the upper part of the linear guide is pivotally connected to the underside of the seat part.
  • the linear guide consists of two parts, wherein the lower part is expensive to attach to the chassis.
  • the linear guide also allows only a linear guide of the upper part of the linear guide relative to the lower part of the linear guide. Accordingly, it is for connecting the linear guide, specifically the upper part of the linear guide with the seat part, required to provide a pivotable articulation of the upper part of the linear guide on the seat.
  • the seat part is thus firmly connected to the displaceable component of the linear guide.
  • the linear guide receives lateral guiding forces, it is necessary to make the wheelchair in this area with small tolerances in order to prevent tension of seat and chassis due to the further storage of the seat part on the backrest part in the chassis.
  • Object of the present invention is to develop a wheelchair of the type mentioned so that in this the disadvantages described above are avoided.
  • At least one support is connected to the chassis on which the seat part loosely rests in the region of its end remote from the back wall part.
  • the wheelchair according to the invention thus has no linear guide. It is there provided the support for the seat part that has the function to absorb the weight of the seat part. There are thus, with respect to the discussed prior art, no, a structural unit with each other forming guides - stationary component and movable component -.
  • the lateral guide function for the seat part or the seat takes over the chassis, for example, two parallel plates of the chassis, between which the seat is arranged.
  • the seat part is also loosely on the support. It is not articulated there. This loose support of the seat part makes it possible to fold up the seat part, whereby the device can be accommodated space-saving when not in use.
  • Another advantage of the loose pad of the seat is the fact that there is the possibility of storage of the pad in the Further develop the chassis so that the support in the longitudinal direction relative to the seat part can be adjusted.
  • another lever arm for the introduction of the weight force can be achieved, which initiates the person using the device in order to apply the moment for transferring the backrest part and the seat part of the device in its more extended position.
  • two supports are provided, which are arranged at a distance from each other and on which the seat part rests.
  • the seat part rests on the supports in the area of its sides facing the wheels of the wheelchair.
  • the seat part is thus stored tilt-stable, based on an axis in the longitudinal direction of the wheelchair.
  • the at least one support is mounted horizontally and / or vertically adjustable in the chassis.
  • the horizontal adjustability allows a change of the lever arm for the initiation of the weight of the person using the device to apply the moment for transferring backrest part and seat part in its more extended position.
  • the inclination of the seat part can be varied.
  • the at least one support is mounted in a rod which is mounted in the chassis.
  • This rod is slidably mounted and fixed in particular in a receptacle of the chassis. This allows a simple adjustment of the support, in particular in a substantially horizontal direction.
  • the displacement of the support forwards and backwards changes the force required for the person to be able to go with the seat in the extension and, moreover, causes a change in the position of the seat surface of the seat part which is more or less horizontal.
  • the support surface of the support member receiving the support is flat, in particular, the support surface is arranged substantially horizontally.
  • the support member receiving surface may be formed curved in a vertical plane, in particular starting from a substantially horizontal surface portion of the support surface. If this curvature directed upward and moves when the person applies the moment for transferring the backrest part and seat part in its more extended position, the seat part along the curved support surface up, the person has an increased force to transfer the seat in the Apply more stretched position, as it must raise the seat part due to the geometric specification of the support.
  • the support surface may, for example, based on a vertical plane, have angled to each other arranged surface portions.
  • the angled or curved design of the support surface of the support is thus able to hold the seat part in a more horizontal position to increase the resistance in the extension and to support the transfer of the seat in the unstretched position of the backrest part and seat part.
  • a development of the invention provides that the support is substantially horizontally divided, with a lower support member mounted in the chassis and an upper support member having the support surface, wherein between the two support members, an elastic member, in particular at least one compression spring is arranged. Due to this configuration, when the person leaves the extended position, shock forces introduced by the person into the wheelchair can be elastically cushioned. As a result, it is effectively avoided that the person is frightened and, in addition, the wheelchair is abruptly subjected to the initiated forces.
  • the seat part has a seat frame with at least one of these seat plate received, wherein the seat frame rests on the at least one support.
  • the backrest part preferably has a backrest frame and at least one backrest plate received by the latter.
  • the one or more parts actual seat cushion is attached, which is thus placed in the region of the thigh and the back of the person.
  • the seat 3 has a backrest part 4 and a seat part 5.
  • the backrest part 4 has a frame 6, which carries a backrest plate 7, and two lateral bearing plates 8 connected to the frame 6.
  • the frame 6 and the mutually parallel bearing plates 8 are arranged substantially at right angles to each other.
  • actuable locking pins 10 are mounted in the bearing plates 8 by means of a pulling mechanism. To these locking pins 10, the seat 3 is pivotally mounted in the chassis 2.
  • the seat part 5 has a frame 11 with two mutually adjustable, mounted in the frame 11 seat plates 12 and two mutually parallel arranged substantially perpendicular to the seat plates 12 extending bearing plates 13.
  • the two bearing plates 13 are pivotally connected by bolts 14 to the bearing plates 8.
  • the frame 11 consists of the retractable and retractable as well as not shown means lockable frame members 15 and 16, which can be increased or reduced by the two seat plates, the seat.
  • the chassis 2 has two rear large wheels 20 and two front small wheels 21, wherein the wheels 21 are steerable.
  • the wheels 20, 21 are mounted in a tubular frame 22 of the chassis 2, the longitudinal struts and these connecting cross struts has.
  • two control plates 23 are mounted in these areas of the tubular frame 22 on mutually facing sides of the offending portions of the tubular frame.
  • These control plates 23 are, based on the orientation of the wheelchair 1, provided with a plurality of holes 24 arranged in the rear and upper region of the control plates 23, wherein two corresponding holes 24 of the two control plates 23 serve to receive the two locking pins 10 of the seat 3.
  • the axially displaceable locking pins 10 are inserted, results in a different pivot axis of the seat 3 with respect to the control plates 23rd
  • the two control plates 23 are connected to each other by means of two transverse struts 25. These transverse struts 25 receive in the region of the control plates 23 parallel to these arranged pipe pieces 26 which are fixed to the cross braces 25.
  • a rod 27 is inserted, which can be positioned by means not shown clamping means in any inserted or extended position with respect to the pipe section 26.
  • the respective rod 27 receives in the region of its end facing away from the pipe piece designed as a support pad bearing 28 with upper bearing surface 29.
  • the seat 3 with its backrest part 4 about the axis of the locking pins 10 pivotally mounted in the two, part of the chassis 2 forming control plates 23.
  • the seat part 5 of the seat 3 is loosely connected to the cross tube 30 of the frame member 15, generally with the frame member 15 or even with the frame member 16 on the two supports 28, depending on the setting and setting of the frame 11 and the support 28, and contacted
  • the wheelchair 1 is additionally provided with means that fix the seat in the normal position, thus do not allow to represent the dynamic function.
  • the two bearing plates 8 are directed away from each other, thus outwardly directed pins 31 which engage in the normal position of the seat 3 in slots 32 of the control plates 23, wherein at a small distance to the bottom of the respective slot 32, a locking pin 33 through Actuating means comprising a knob and a cable, in a rear grip position with the locking pin 33 or in a position in which no Rear grip is done, is convertible. In the rear grip position, the pins 31 are fixed, so that the dynamic function can not be realized.
  • control plates 23 are pivotally mounted in the tubular frame 22 via means not shown. This makes it possible to pivot the seat 3 as a whole, while maintaining the functionality of the dynamic position, about an axis parallel to the axis of the wheels 20 arranged axis.
  • To set the control plates 23 in the desired angular position are used in the tubular frame 22 mounted locking means 25 which are engageable in a detent position with the recess 36 of the control plates 23. These locking means 25 are also actuated by means not shown.
  • the support surface 29 of the respective support 28 is flat, in particular arranged horizontally. Due to the mounting of the support 28, this can be moved horizontally and thus change the point of articulation of the seat 3, specifically the point of articulation of the seat 3 in the region of the frame 11.
  • a first modification of the support 28 provides that, as shown in particular in the representation of FIG. 3 and FIG. 6, it has plane, angled sections 37 and 38 of the support surface 29. Accordingly, the contacting of the support 28 can take place in different sections, for example in a horizontal and then a horizontal inclined portion, this section can be inclined up or down, depending on the desired force application ratios and thus desired moments to initiate the person are to verify the dynamic function.
  • Figure 8 illustrates the seat portion 5 in a partially upwardly pivoted position, in which the cross tube 30 from the support, specifically the two supports 28 is lifted.
  • Figures 9 and 10 show a modified embodiment.
  • the support surface 29 of the respective support 28 in the vertical plane which coincides with the plane of the sheet, formed curved.
  • This bearing surface 29 has a substantially horizontal surface portion and a subsequent thereto in the direction of the backrest portion 4 curved portion, wherein the curvature, starting from the horizontal portion, is directed upward.
  • the cross tube 30 slides along the curved support surfaces 29 of the support 28 upwards, whereby the person when transferring the seat 3 in the extended position, the seat part 5 must additionally raise and thus have to spend an increased moment.
  • Figures 11 and 12 illustrate a further modification of the respective support 28.
  • the support 28 is substantially horizontally divided, with a lower support member 39 mounted in the rod 27 and an upper support member 40 having the support surface 29. Between the two support parts 39 and 40, a compression spring 41 is arranged. Due to this configuration, forces are introduced into the support 38 via the seat 3 in a damped manner.
EP06014670A 2005-07-14 2006-07-14 Fauteuil roulant pour handicapés Not-in-force EP1743612B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69942905P 2005-07-14 2005-07-14

Publications (3)

Publication Number Publication Date
EP1743612A2 true EP1743612A2 (fr) 2007-01-17
EP1743612A3 EP1743612A3 (fr) 2007-01-24
EP1743612B1 EP1743612B1 (fr) 2008-05-28

Family

ID=37102484

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06014661A Not-in-force EP1743613B1 (fr) 2005-07-14 2006-07-14 Fauteuil roulant avec mouvement ajustable
EP06014670A Not-in-force EP1743612B1 (fr) 2005-07-14 2006-07-14 Fauteuil roulant pour handicapés

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP06014661A Not-in-force EP1743613B1 (fr) 2005-07-14 2006-07-14 Fauteuil roulant avec mouvement ajustable

Country Status (4)

Country Link
US (1) US7455362B2 (fr)
EP (2) EP1743613B1 (fr)
AT (2) ATE396683T1 (fr)
DE (2) DE602006009022D1 (fr)

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Also Published As

Publication number Publication date
EP1743612A3 (fr) 2007-01-24
ATE396683T1 (de) 2008-06-15
EP1743613A1 (fr) 2007-01-17
DE502006000823D1 (de) 2008-07-10
ATE442118T1 (de) 2009-09-15
DE602006009022D1 (de) 2009-10-22
US20070029857A1 (en) 2007-02-08
EP1743612B1 (fr) 2008-05-28
EP1743613B1 (fr) 2009-09-09
US7455362B2 (en) 2008-11-25

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