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WO2018232465A1 - Support de pied et de jambe inférieure pour fauteuil roulant - Google Patents

Support de pied et de jambe inférieure pour fauteuil roulant Download PDF

Info

Publication number
WO2018232465A1
WO2018232465A1 PCT/AU2018/050624 AU2018050624W WO2018232465A1 WO 2018232465 A1 WO2018232465 A1 WO 2018232465A1 AU 2018050624 W AU2018050624 W AU 2018050624W WO 2018232465 A1 WO2018232465 A1 WO 2018232465A1
Authority
WO
WIPO (PCT)
Prior art keywords
support
support assembly
assembly according
foot
feet
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.)
Ceased
Application number
PCT/AU2018/050624
Other languages
English (en)
Inventor
Adrian Hollis
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
Priority claimed from AU2017902420A external-priority patent/AU2017902420A0/en
Application filed by Individual filed Critical Individual
Publication of WO2018232465A1 publication Critical patent/WO2018232465A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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

Definitions

  • the present invention relates to a foot and lower leg support assembly for attaching to a wheelchair.
  • Wheelchairs may be used to enable movement in various settings including inside buildings, in urban areas, outdoors, off-road, on public and private transport, and on various surfaces in the context of sporting activities.
  • a wheelchair normally comprises a frame with wheels, a seat attached to the frame for a person to sit on and a support for the person s feet. Other common features include a back support and arm rests. Handles at the back of the wheelchair may be present to enable another person to assist the person in the wheelchair with moving.
  • a wheelchair normally has at least three wheels, but commonly has two larger wheels which are fixed directionally, and two smaller wheels at the front which can change direction independently as effected by the direction of the motion of the wheelchair.
  • a wheelchair is commonly powered by the muscles of the arms, although it can also be powered by electric motor, by a hand pedal system, or other suitable means.
  • An arm powered wheelchair is mobilised by a user gripping and rotating the wheels backwards and/or forwards on their axes, and thereby directing and causing the wheelchair and its user to travel in the desired direction.
  • the motion of the wheelchair may be slowed or stopped by using hands to create friction, either directly on the wheel or commonly a circular frame attached to or integrated with the wheel hub, by a brake, or by letting the wheelchair slow down on its own.
  • the user s body is supported while the wheelchair is stationary, moving or braking by the support features of the wheelchair including a foot support.
  • Existing foot support design may function acceptably in certain contexts, but not in others.
  • Existing foot supports generally support the feet vertically, but are not specifically designed to provide support on the horizonal plane on which the feet sit, and around the lower parts of the user s legs.
  • existing foot support designs can result in foot supports which allow one or both feet to move off the plate due reason of spasm of the legs and/or feet, or the wheelchair travelling over uneven surfaces, and can therefore result in one or both feet being crushed between the chair and other objects, being drawn underneath the plate due to slipping off the front or back of the plate, or to contact the wheels of the wheelchair, including by slipping laterally off the support.
  • the chances of horizontal dislocation of the feet resulting in the feet coming off the plate are increased when a wheelchair is used in sporting situations where speed, abrupt changes in speed and direction are increased and the forces which can dislocate the feet and legs are also increased.
  • the present invention seeks to provide a more effective means of supporting the feet and lower parts of the legs of the user of a wheelchair.
  • a foot and lower leg support assembly for attaching to a wheelchair frame comprising:
  • a support for vertically supporting feet of a user of the wheelchair wherein the support comprises laterally spaced apart ends between which one or both feet of the user are supported;
  • retainers at each side of the support for impeding the one or both feet from moving laterally off the support, wherein a substantial portion of the one or more feet is supported on the outward side of the foot, and that the retainer is to an adequate height along the length and height of the foot so that incidence of the foot moving off laterally is reduced;
  • the members having a means for impeding dislocation of one or both lower legs of the user.
  • the means for impeding dislocation of one or both lower legs of the user which impedes dislocation from the support forwards and backwards.
  • the means for impeding dislocation of one or both lower legs is disposed above the retainers.
  • the support is configured to be installed in place of an existing wheelchair foot support.
  • the support assembly may be configured to be installed by fitting the assembly over an existing wheelchair foot support.
  • the existing foot support comprises a single plate.
  • the support is install on top of the existing single plate.
  • the dimensions of the support assembly allow for the assembly to fit within the wheelchair frame.
  • the support assembly is attachable to the wheelchair frame by fastening the generally upwardly extending members to existing mounting holes in the wheelchair frame with fasteners.
  • the support assembly is attachable to the existing foot support plate by an adhesive means.
  • the support assembly is attachable to the existing footplate by one or more fasteners and with or without the use of adhesive means.
  • the retainers are substantially vertical protrusions which have substantially horizontally extending edges and are substantially parallel to each other.
  • the retainers and members are integrally formed from a moulded material.
  • the moulded material may be for example plastics or resin and fibre composite.
  • the retainers and members are directed upwardly from the base.
  • the retainer and member on either end of the support may be formed in one section, and each of the members impedes lateral movement of one or both feet.
  • the support is a plate with an upper face which contacts the one or both feet, and the upper face has a formed or textured surface so as to assist in impeding dislocation of the one or both feet.
  • the plate has perforations that assist in impeding dislocation of the one or both feet.
  • the perforations are in a geometric pattern.
  • the formed or textured surface is adhered to the upper face of the plate.
  • the means for impeding the dislocation of the one or more lower legs is a closable and adjustable strap associated with each member.
  • a strap may be in a first position and positioned behind the lower parts of the one or more legs, and the strap may be configured in a second position surrounding and enclosing the lower parts of one or both legs.
  • the ends of the respective members have one or more holes so that a strap can be inserted and threaded through the one or more holes.
  • each of the members has a generally T shape and the one or more holes are located generally along a horizontal part of the T.
  • the horizontal part of the T of each member has a generally S shaped profile for guiding the strap.
  • the strap has a means for closing the strap.
  • the means for closing the strap is a hook and loop fastener.
  • the closable strap may have two ends, each end having a loop for accepting one or more fingers from the hands of the user.
  • the means for closing the strap is a cam buckle.
  • the support extends so as to support at least an average length of an arch of a foot (that is between the ball and the heel of the foot).
  • the retainers extend so as to retain at least the side of the foot between the side of the ball and ankle of the foot.
  • the support is positioned so that the heel of the foot when on the support is rearward of the part of the frame connecting to the generally upwardly extending members, or the existing footrest and/or that the heel is positioned rearward of the front caster wheels of the wheelchair.
  • F igure 1 is a front elevation perspective showing the foot and lower leg support assembly according to an embodiment of the invention.
  • F igure 2 is a plan perspective showing the foot and lower leg support assembly of F igure 1 with a strap according to an embodiment of the invention
  • F igure 3 is a plan perspective showing the foot and lower leg support assembly, as installed in the frame of a wheel chair according to an embodiment of the invention
  • F igure 4 is a plan perspective showing the foot and lower leg support assembly according to an alternative embodiment of the invention.
  • F igure 5 is an enlarged view of a top of a upwardly extending portion of the support assembly of F igure 4.
  • FIG. 1 Referring to F igures 1 and 2 there is shown, in elevation profile, an embodiment of a foot and lower leg support assembly for attaching to a wheelchair with a support [2] for supporting one or more of the wheelchair usermbly for attaching to a wthe support having laterally spaced apart sides [4A] and [4B] with substantially vertical retainers [6A] and [6B] that are substantially parallel to each other and of sufficient length and height, for impeding the feet from slipping laterally off the support.
  • a member [8A] and [8B] extends upwardly from each of the laterally spaced apart ends [4A] and [4B] of the support and, in an embodiment, the ends of the members have slots [24A] and [24B] which can receive a strap closable around the legs so as to function as a means for impeding the dislocation of the legs in forward and backward directions (up and down the page in F igure 2).
  • suitable means can be used for impeding the movement of the lower parts of the legs in other embodiments.
  • F igure 3 there is shown a view of an embodiment of the invention mounted to the frame of a wheelchair, and where in this embodiment the support [2], the retainers [6A] and [6B] and the members [8A] and [8B] of F igure 1 are integrally formed in one piece [14A] and [14B].
  • the material from which the invention is manufactured may be moulded carbon fibre reinforced polymer.
  • An alternate suitable material may be used for an integrally and non-integrally formed embodiment of the invention, including suitable plastics, metals or alloys.
  • each retainer and respective member can be formed in a single respective section [18A] and [18B] directed through a respective curve [16A] and [16B] upwardly from the support.
  • the curved shape can assist in preventing stress fracture of some materials.
  • the retainer and members as formed in single respective sections [18A] and [18B] can work together in their single respective sections on either side of the support to impede lateral movement of the feet, reducing the likelihood of one or more feet from moving off the support.
  • the retailer sections [18A] and [18B] are of a height of about most of the height of the foot, or more.
  • the retailer sections [18A] and [18B] are of a length of at least an average length of an arch of a foot, that is between the ball and the heel of the foot so as to retain at least the side of the foot between the side of the ball and ankle of the foot.
  • the support assembly can be installed by being fitted over an existing wheelchair foot support.
  • the support assembly can be made in suitable dimensions so that surface area of the assembly is maximized to allow for a greater surface area on which the feet may be supported vertically while fitting within frame of a given wheelchair.
  • the assembly in the embodiment shown in F igure 3 can be attached to the existing footplate by an adhesive [12], such as glue or double-sided tape.
  • an adhesive such as glue or double-sided tape.
  • the base of the assembly and an existing footplate may have one or a plurality of holes that can be aligned and receive one or more fasteners by which the assembly can be attached to the existing footplate.
  • the footplate can be attached by a combination of fasteners and adhesive means.
  • the upper face of the support plate [2] in F igure 1 may be formed, or given a texture, or be made to have perforations in suitable geometric patterns, to increase the friction of the feet against the surface of the support plate and impede the feet slipping.
  • a material with suitable formations or texture can be adhered to the surface of the base plate [2] to provide for the intended slip inhibiting function.
  • the support is positioned so that the heel of the foot when on the support is rearward of the part of the frame F connecting to the generally upwardly extending members, or the existing footrest and/or that the heel is positioned generally at H, rearward of the front caster wheels C of the wheelchair.
  • the ends of the members [8A], [8B] can have a generally T shape [26A] and [26B] where the horizontal part of the T has a generally S shaped profile [30A] and [30B], and where one or more holes [24A] and [24B] can be present generally along the horizonal part of the T through which a closable and adjustable strap [10] can be threaded and guided by the S shape into a loop, and then closed with a hook and loop fastener [32], or a cam buckle (not shown), or another suitable closing means.
  • the ends of the members may end without a T shape and without S shaped profiles as shown in F igures 4 and 5.
  • the closed strap can be positioned in a first position [22] behind the legs for impeding backward horizonal movement and in a second position [10] where the strap can be closed around the front of lower legs to provide for impediment to forward horizonal movement.
  • a strap with ends may have a loop at each respective end of the strap for accepting one or more fingers so that the strap ends can be more easily guided and manoeuvred by the hands of the user.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Handcart (AREA)

Abstract

La présente invention concerne un ensemble de support de pied et de jambe inférieure destiné à être fixé à un cadre de fauteuil roulant qui comprend un support pour soutenir verticalement les pieds d'un utilisateur du fauteuil roulant ; des éléments de retenue de chaque côté du support pour empêcher le ou les pieds de se déplacer latéralement hors du support et un élément s'étendant généralement vers le haut à partir de chaque extrémité. Le support comprend des extrémités espacées latéralement entre lesquelles un ou les deux pieds de l'utilisateur sont supportés. Une partie substantielle du ou des pieds est soutenue sur le côté extérieur du pied, et l'élément de retenue est à une hauteur adéquate le long de la longueur et de la hauteur du pied de sorte que l'incidence d'un déplacement latéral du pied soit réduite. Les éléments s'étendant vers le haut ont des moyens pour empêcher une luxation de la ou des jambes inférieures de l'utilisateur.
PCT/AU2018/050624 2017-06-22 2018-06-22 Support de pied et de jambe inférieure pour fauteuil roulant Ceased WO2018232465A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2017902420A AU2017902420A0 (en) 2017-06-22 A Foot and Lower Leg Support for a Wheelchair
AU2017902420 2017-06-22

Publications (1)

Publication Number Publication Date
WO2018232465A1 true WO2018232465A1 (fr) 2018-12-27

Family

ID=64735407

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2018/050624 Ceased WO2018232465A1 (fr) 2017-06-22 2018-06-22 Support de pied et de jambe inférieure pour fauteuil roulant

Country Status (1)

Country Link
WO (1) WO2018232465A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5382036A (en) * 1992-06-02 1995-01-17 Quickie Designs Inc. Molded, fiber-reinforced, tubular wheelchair frame assembly and method
US5609348A (en) * 1990-05-23 1997-03-11 Regain, Inc. Wheelchair
US20080116732A1 (en) * 2006-11-20 2008-05-22 Herschel Hiatt Device for use with a wheelchair
US8191913B1 (en) * 2009-07-23 2012-06-05 Jessome Emmett A Center footrest for a wheelchair
US9095484B1 (en) * 2013-11-18 2015-08-04 Lorraine E. Bethea Wheelchair leg guard

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5609348A (en) * 1990-05-23 1997-03-11 Regain, Inc. Wheelchair
US5382036A (en) * 1992-06-02 1995-01-17 Quickie Designs Inc. Molded, fiber-reinforced, tubular wheelchair frame assembly and method
US20080116732A1 (en) * 2006-11-20 2008-05-22 Herschel Hiatt Device for use with a wheelchair
US8191913B1 (en) * 2009-07-23 2012-06-05 Jessome Emmett A Center footrest for a wheelchair
US9095484B1 (en) * 2013-11-18 2015-08-04 Lorraine E. Bethea Wheelchair leg guard

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