EP1764070B1 - Aufrichtstuhl mit Einstellungsvorrichtung des Fußstützneigungswinkels in stehender Position - Google Patents

Aufrichtstuhl mit Einstellungsvorrichtung des Fußstützneigungswinkels in stehender Position Download PDF

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Publication number
EP1764070B1
EP1764070B1 EP06120679A EP06120679A EP1764070B1 EP 1764070 B1 EP1764070 B1 EP 1764070B1 EP 06120679 A EP06120679 A EP 06120679A EP 06120679 A EP06120679 A EP 06120679A EP 1764070 B1 EP1764070 B1 EP 1764070B1
Authority
EP
European Patent Office
Prior art keywords
articulated
support structure
footrest
standing
bar
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.)
Not-in-force
Application number
EP06120679A
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English (en)
French (fr)
Other versions
EP1764070A2 (de
EP1764070A3 (de
Inventor
François Porcheron
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.)
Lifestand "Vivre Debout"
Original Assignee
Lifestand "Vivre Debout"
Lifestand Vivre Debout
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.)
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Publication date
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Publication of EP1764070A2 publication Critical patent/EP1764070A2/de
Publication of EP1764070A3 publication Critical patent/EP1764070A3/de
Application granted granted Critical
Publication of EP1764070B1 publication Critical patent/EP1764070B1/de
Not-in-force 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
    • A61G5/10—Parts, details or accessories
    • A61G5/1089—Anti-tip 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
    • 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
    • A61G5/127—Rests specially adapted therefor, e.g. for the head or the feet for lower legs
    • 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 present invention relates to wheelchairs, particularly but not exclusively, wheelchairs, which are used by the disabled and disabled and it aims, indifferently, wheelchairs, folding or not.
  • Such a position is not able to bring rehabilitation to everyday life and does not facilitate social contacts.
  • a sitting position maintained for relatively long periods of time, is responsible for physical degradation, such as loss of angular amplitude of the lower limbs, defective blood circulation, slowing of the digestive and intestinal functions, bone fragility, etc. .
  • the patent FR 2,717,377 proposed a standing chair comprising a motorized wheel chassis, supporting an articulated structure comprising a support structure of a seat, a support structure of a footrest and a support structure of a backrest.
  • the chair also comprises means for supporting and operating the articulated structure which are interposed between the articulated structure and the frame, and which are adapted to move the articulated structure from a sitting position to a vertical position. and vice versa.
  • the invention relates to a chair lift for disabled and disabled, incorporating a frame supporting an articulated structure comprising a support structure of a seat, a support structure a footrest, a structure for supporting a backrest and means for supporting and operating the articulated structure which are interposed between the articulated structure and the chassis, and which are adapted to move the articulated structure of a sitting position at a position of verticalization moved away from the sitting position and vice versa.
  • the standing chair is characterized in that it comprises means for adjusting the angle between the footrest and the seat in a position of verticalization and adjustment of the amplitude of the relative rotation between the support structure of the seat and the support structure of the footrest during verticalization.
  • the implementation of such adjustment means reinforces the feeling of safety of the user, especially when his knees must come to bear on lower holding means, such as knee pads.
  • the adjustment means can be made in any appropriate way.
  • the adjustment means may comprise a cam or connecting rod connecting the support structure of the footrest to the structure of support of the seat.
  • the adjustment means comprise an adjustable stop against which the supporting structure of the footrest bears in the vertical position.
  • the support structures of the seat, the footrest and the backrest can be made in different ways and, for example, as described in the patent FR 2,717,377 .
  • the support structure of the seat comprises at least one first deformable quadrilateral composed of two bars, respectively upper and lower, defining the long sides of the quadrilateral, articulated, on the one hand, to their front portions on a corresponding anterior spacer on the short front side of the quadrilateral and, on the other hand, to their posterior spacer, corresponding to a small posterior side.
  • the support and maneuvering means of the articulated structure comprise, on the one hand, at least one second deformable quadrilateral composed of two rods, respectively lower and upper, the upper link being hinged at the rear on the chassis and at the front on the upper bar of the first quadrilateral and the lower connecting rod being articulated at the rear on the chassis and at the front on the lower bar of the first quadrilateral and, on the other hand, a motorized cylinder interposed between the frame and an element integral with the lower bar or the upper bar of the first quadrilateral.
  • the footrest structure comprises at least one amount which is connected to the anterior spacer and which comes in a vertical position in abutment with the adjustment means formed by an abutment integral with the frame, while the support structure of the backrest is articulated at the rear on the first quadrilateral, opposite the footrest, and which comprises at least one amount supporting the folder.
  • the support means of the seat and the support and maneuvering means of the articulated structure will each comprise two substantially parallel lateral assemblies.
  • the amount of the support structure of the footrest is rigidly connected to the at least one anterior spacer of the support structure of the the seat.
  • the standing chair comprises stabilizing means which are movable between a retracted position and an extended position in which they extend opposite the footrest and bear on the ground and which are controlled to be in the extended position when the articulated structure is in the vertical position and in the retracted position when the articulated structure is in the sitting position.
  • the support structure of the backrest comprises a motorized jack which is articulated on the support structure of the seat and which allows adjustment of the inclination of the backrest relative to the seat.
  • the Fig. 1 is an elevation, in a partially cut right view, of a chair according to the invention, in the sitting or lowering position of the chair.
  • the Fig. 2 is an elevation, in a partially cut right view, of the armchair according to the Fig. 1 , in standing or standing position.
  • the Fig. 3 is a three-quarter perspective right rear of the chair according to the Fig. 1 and 2 in position of verticalization.
  • the Fig. 4 is a three-quarter front right perspective of the chair according to the Fig. 1 and 2 in position of verticalization.
  • the invention relates to a standing chair, as illustrated in Fig. 1 to 4 , and designated as a whole by the reference 1 , capable of rolling in a vertical position and intended to provide the best possible security for its user.
  • Such a chair 1 comprises a frame 2 , composed of two lateral half-frames 3 and 4 , joined together by crosspieces 5 and 6 .
  • the chassis 2 is provided, in a generally known manner, with wheels 7 , generally carrying, main and driving wheels and 8 steerable, orientable via pivots 9 .
  • the wheels 8 are generally, but not necessarily, placed at the front part of the frame 2 , while the load wheels 7 occupy the rear part. Wheels 7 and 8 define, by the points of contact with the ground S , a polygon of support or levitation by the center of which passes a vertical axis X-X ' .
  • the wheels 7 may advantageously be associated with reversible rotary drive electric motors, not shown, which may be powered from an onboard source, also not shown.
  • the frame 2 supports an articulated structure 10 , maintaining a seat A , a backrest D and a footrest R , organized to be able to occupy a folded stable state, corresponding to a so-called seat position, as illustrated by the Fig. 1 and an unfolded stable state, corresponding to a vertical position, as illustrated by the Fig. 2 .
  • the articulated structure is able to support a disabled or invalid in a sitting position and in a vertical position respectively.
  • the articulated structure 10 is substantially aligned with the vertical axis X-X ' and is recentered with respect to its situation in the sitting position.
  • the articulated structure 10 is connected to the chassis 2 by means of support and maneuvering 11 .
  • the articulated structure 10 comprises a structure 12 for supporting the seat A.
  • the support structure 12 is, according to the illustrated example, constituted by two lateral articulated systems 13 , symmetrical with respect to a sagittal plane P and which are more particularly visible at Fig. 3 and 4 .
  • Each articulated system 13 is intended to be laterally adapted to the frame 2 , for example at each of the half-frames 3 and 4 by means of two lateral assemblies 14 constituting the support and operating means 11 .
  • Each articulated system 13 comprises a first deformable quadrilateral 17, comprising upper 18 and lower 19 bars, although they are not arranged, in the illustrated representation Fig. 1 to 4 , in the same vertical plane.
  • the bars 18 and 19 are joined, at their posterior terminal part, by a rear element or spacer 20 , to which they are connected by pivots 20 1 , 20 2 .
  • the bars 18 and 19 are further joined at their front or front end portions by an anterior spacer 21 to which they are connected by pivots 21 1 , 21 2 .
  • the lower bars 19 and upper 18 and their respective hinge points 20 1 , 21 1 , 20 2 , 21 2 define the long upper sides G S and lower G I , while the rear spacer 20 defines a small posterior side P P of the first quadrilateral, the anterior spacer 21 defining a small anterior side P A , as is apparent from the Fig. 1 .
  • the articulated structure 10 further comprises, a support structure 25 of the footrest R which comprises a jamb or upright 27, for supporting two pallets 28 forming a footrest.
  • the upright 27 is rigidly connected to the anterior spacers 21 via sleepers 29 .
  • the articulated structure 10 finally comprises a structure 30 for supporting the file D.
  • the structure 30 comprises two uprights 35 , each articulated on the first quadrilateral 17, at the pivot 20 1 of the rear spacer 20.
  • the backrest posts 35 are, moreover, connected by a crosses 36 .
  • the support structure of the backrest 30 also includes a motorized jack 37 connecting the crossmember 36 to the rear spacers 20 and allowing adjustment of the inclination of the uprights 35 and thus the backrest.
  • the support and operating means 11 comprise, firstly, the two lateral assemblies 14 which each connect a lateral assembly 13 to means 10 for supporting the seat to the frame.
  • Each lateral assembly 14 comprises a second deformable quadrilateral composed of two connecting rods, respectively lower 40 and upper 41 , although they are not located in the same vertical plane.
  • Each lower link 40 is then linked, on the one hand, to the frame 2 by means of a pivot 42 and, on the other hand, to the lower bar 19 via a pivot 43 .
  • each upper link 41 is connected, on the one hand, to the frame 2 via a pivot 44 and, on the other hand, to the upper bar 18 via a pivot 44 .
  • the support and operating means 11 comprise an operating assembly 50, interposed between the frame 2 and the support structure 12 of the seat.
  • the maneuvering assembly 50 comprises a spreader 51 articulated on a crossmember 52 secured to the chassis and connected at one of its ends by a pivot 53 to a crossmember 54 connecting the two lower bars 19 .
  • the maneuvering assembly 50 also comprises a motorized jack 55 articulated, on the one hand, by a pivot 56 on the end of the spreader 51 opposite the pivot 53 and, on the other hand, by a pivot 57 to an arm 58 secured to the cross 54 .
  • the pivots 52, 53, 57 and 56 form a deformable quadrilateral by elongation or shortening of the side formed by the motorized jack 55 .
  • the armchair 1 comprises, finally, armrests 60 , fixed to the uprights 35 and capable of forming a chest support element.
  • the chair 1 also comprises low holding means 61 , formed by kneepads or shells 62 fixed to the anterior spacing pieces 21 and shaped to fit the knees or the lower thighs just above the knees, a wheelchair user.
  • the chair 1 When a user sitting in the chair 1 wishes, from a sitting position corresponding to the Fig. 1 , standing or standing, as illustrated in Fig. 2 , it controls the operation of the electric jack 55 which, by its elongation, causes the verticalization of the articulated structure 10 . At the end of this movement, the amount 27 of the support means 25 of the footrest R bear against the frame 2 .
  • the chair 1 comprises adjustment means 65 which make it possible to determine the amplitude of the movement of the upright 27 during the verticalization stroke and therefore the angle ⁇ between the upright 27 and the upper bar 18 in the position of verticalization of the articulated structure 10 .
  • the adjustment means 65 are, according to the illustrated example, formed by a screw whose extension is adjustable and on which the amount 27 bears. Thus, by adjusting the screw, it is possible to adjust the value of the angle ⁇ in the vertical position and therefore the amplitude of the rotation of the upright 27 relative to the upper bars 18 during verticalization.
  • the means 65 allow, according to their setting, to obtain a greater or lesser flexing of the legs of the user in a vertical position.
  • This adjustment of the flexion makes it possible to determine the way in which the legs of the user come to bear in the shells 62 , which makes it possible, on the one hand, to ensure the stability of the user's position and, on the other hand, to give a feeling of confidence to the user. Furthermore, it is possible, by acting on the electric cylinder 37 , to change the inclination of the backrest and therefore the torso of the user, which improves the comfort of the latter.
  • the chair 1 further comprises stabilizing means 70 which are movable between a retracted position, as illustrated in FIG. Fig. 1 , and an extension position, as illustrated in Fig. 2 , in which they extend opposite the footrest R and rest on the ground S.
  • the means 70 are controlled to be in the retracted position when the articulated structure 10 is in the sitting position, whereas, when the articulated structure 10 is in the vertical position, the means 70 are in the extended position bearing on the ground.

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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)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Claims (6)

  1. Aufrichtstuhl für Behinderte und Invaliden, umfassend ein Gestell (2), das eine Gelenkstruktur (10) trägt, welche eine Struktur (12) zum Tragen einer Sitzfläche, eine Struktur (25) zum Tragen einer Fußstütze, eine Struktur zum Tragen (30) einer Rückenlehne umfaßt, sowie Mittel (11) zum Tragen und Betätigen der Gelenkstruktur, die zwischen der Gelenkstruktur (10) und dem Gestell (2) angeordnet sind und die dazu ausgelegt sind, die Gelenkstruktur (10) von einer Sitzposition in eine gegenüber der Sitzposition zurückliegende Aufrichtposition sowie umgekehrt zu bewegen, umfassend Mittel (65) zum Einstellen des Winkels (a) zwischen der Fußstütze und der Sitzfläche in der Aufrichtposition und zum Einstellen des Ausmaßes der Relativdrehung zwischen der Tragstruktur der Sitzfläche und der Tragstruktur der Fußstütze beim Aufrichten, und
    dadurch gekennzeichnet, daß die Einstellmittel (65) einen einstellbaren Anschlag umfassen, an dem die Tragstruktur (25) der Fußstütze in der Aufrichtposition in Anlage gelangt.
  2. Aufrichtstuhl nach Anspruch 1, dadurch gekennzeichnet, daß:
    - die Tragstruktur (12) der Sitzfläche wenigstens ein erstes verformbares Viereck (17) umfaßt, das aus zwei die Längsseiten (GS, GI) des Vierecks definierenden Stäben, einem oberen (18) bzw, einem unteren (19) besteht, die einerseits, in Richtung ihrer vorderen Teile, an einem vorderen Abstandsteil (21), das der vorderen Schmalseite (Pa) des Vierecks entspricht, und andererseits, in Richtung ihrer hinteren Teile, durch ein hinteres Abstandsteil (20), das einer hinteren Schmalseite (PP) entspricht, angelenkt sind,
    - die Mittel (11) zum Tragen und Betätigen der Gelenkstruktur einerseits wenigstens ein zweites verformbares Viereck (14), welches aus zwei Stangen, einer unteren (40) bzw. einer oberen (41) besteht, wobei die obere Stange (41) hinten an dem Gestell (2) und vorne an dem oberen Stab (18) des ersten Vierecks angelenkt ist, und wobei die untere Stange (40) hinten an dem Gestell (2) und vorne an dem unteren Stab (19) des ersten Vierecks angelenkt ist, sowie andererseits einen motorisierten Zylinder (55) umfassen, der zwischen dem Gestell (2) und einem Element (51), das mit dem unteren Stab oder dem oberen Stab des ersten Vierecks fest verbunden ist, eingefügt ist,
    - die Tragstruktur (25) der Fußstütze wenigstens einen Holm (27) umfaßt, der mit dem vorderen Abstandsteil (21) verbunden ist und der in der Aufrichtposition an den Einstellmitteln (65), die von einem mit dem Gestell (2) fest verbundenen Anschlag gebildet sind, in Anlage gelangt, und
    - die Tragstruktur (30) der Rückenlehne hinten an dem ersten Viereck (17), von der Fußstütze abgewandt, angelenkt ist und wenigstens einen die Rückenlehne tragenden Holm (35) umfaßt.
  3. Aufrichtstuhl nach Anspruch 2, dadurch gekennzeichnet, daß:
    - die Tragmittel (12) der Sitzfläche zwei Seitenanordnungen umfassen, die jeweils ein erstes verformbares Viereck (17) umfassen, das aus zwei die Längsseiten (GS, GI) des Vierecks definierenden Stäben, einem oberen (18) bzw. einem unteren (19) besteht, die einerseits, in Richtung ihrer vorderen Teile, an einem vorderen Abstandsteil (21), das der vorderen Schmalseite (Pa) des Vierecks entspricht, und andererseits, in Richtung ihrer hinteren Teile, durch ein hinteres Abstandsteil (20), das einer hinteren Schmalseite (Pp) entspricht, angelenkt sind, und
    - die Mittel (11) zum Tragen und Betätigen der Gelenkstruktur (10) zwei Seitenanordnungen (14) umfassen, die jeweils ein zweites verformbares Viereck umfassen, das aus zwei Stangen, einer unteren (40) bzw. einer oberen (41) besteht, wobei die obere Stange (41) hinten an dem Gestell und vorne an dem oberen Stab (18) des ersten Vierecks der entsprechenden Seitenanordnung der Tragstruktur der Sitzfläche angelenkt ist, und wobei die untere Stange (40) hinten an dem Gestell (2) und vorne an dem unteren Stab (19) des ersten Vierecks angelenkt ist.
  4. Aufrichtstuhl nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß der Holm (27) der Tragstruktur der Fußstütze mit dem oder den vorderen Abstandsteil(en) (21) starr verbunden ist.
  5. Aufrichtstuhl nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß er Stabilisierungsmittel (70) umfaßt, die zwischen einer Einfahrposition und einer Ausfahrposition, in der sie von der Fußstütze weg verlaufen und an dem Boden in Anlage gelangen, beweglich sind und die betätigt werden, um einerseits in der Ausfahrposition zu sein, wenn die Gelenkstruktur sich in der Aufrichtposition befindet, und um andererseits in der Einfahrposition zu sein, wenn die Gelenkstruktur sich in der Sitzposition befindet.
  6. Aufrichtstuhl nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Tragstruktur (30) der Rückenlehne einen motorisierten Zylinder (37) umfaßt, der an der Tragstruktur der Sitzfläche (12) angelenkt ist und der ein Einstellen der Neigung der Rückenlehne ermöglicht.
EP06120679A 2005-09-20 2006-09-14 Aufrichtstuhl mit Einstellungsvorrichtung des Fußstützneigungswinkels in stehender Position Not-in-force EP1764070B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0509588A FR2890855B1 (fr) 2005-09-20 2005-09-20 Siege verticalisateur a moyens de reglage de l'inclinaison du repose-pieds en position verticalisee.

Publications (3)

Publication Number Publication Date
EP1764070A2 EP1764070A2 (de) 2007-03-21
EP1764070A3 EP1764070A3 (de) 2007-12-05
EP1764070B1 true EP1764070B1 (de) 2012-11-07

Family

ID=36576021

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Application Number Title Priority Date Filing Date
EP06120679A Not-in-force EP1764070B1 (de) 2005-09-20 2006-09-14 Aufrichtstuhl mit Einstellungsvorrichtung des Fußstützneigungswinkels in stehender Position

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Country Link
US (1) US7815209B2 (de)
EP (1) EP1764070B1 (de)
FR (1) FR2890855B1 (de)

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US20070063480A1 (en) 2007-03-22
FR2890855B1 (fr) 2007-12-14
US7815209B2 (en) 2010-10-19
EP1764070A2 (de) 2007-03-21
FR2890855A1 (fr) 2007-03-23
EP1764070A3 (de) 2007-12-05

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