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
  • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
• • 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
  • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
  • A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
  • A61G5/0833—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding front to back, e.g. reducing or expanding the overall depth of the wheelchair
• • 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
  • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
  • A61G5/0891—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable having rigid supports, e.g. seat or back supports which retain their shape after folding of the wheelchair
• • 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
  • A61G2203/00—General characteristics of devices
  • A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
  • A61G2203/76—General characteristics of devices with special adaptations, e.g. for safety or comfort for nesting or stacking
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
  • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
  • B62B3/14—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by provisions for nesting or stacking, e.g. shopping trolleys

Definitions

• the present invention relates to wheelchairs and in particular to a folding and
• transport and storage includes a frame fabricated of tubular steel or aluminum
• the chair is designed to be easily loaded into a
• Storage is a
• the longitudinally or horizontally foldable prior wheelchairs generally have foldable
• Certain types of commonly known wheelchairs include a tray or carrier for patient
• Hygiene is another major concern with wheelchairs used in the hospital
• Institutional protocol may require the swabbing of chairs with a chlorine-
• United States Patent No. 2,713,893, by Kuhl discloses a wheelchair for supporting
• United States Patent No.2,545,336 is directed to a combination stroller and
• undercarriage are folded such that the chair is not self-supporting in the folded
• the wheelchair of the invention has a frame including an
• undercarriage or base portion that can be slid under a hospital bed
• a wheelchair comprising a rigid frame which
• the base being shaped and constructed for
• a seating surface of the seat is positioned substantially parallel to the
• Substantially vertical in this context means the support portion encloses an angle ⁇
• the parts of the wheelchair coming into contact with the user are preferably
• the wheelchair preferably further comprises armrests pivotally mounted to the frame
• the seat can be supported; and a folded position wherein the armrests are
• the wheelchair further includes at least one of an IV
• Figure 1 is a perspective view of the preferred embodiment of the wheelchair in
• an IV pole including an IV pole;
• Figure 2 is a side elevational view of the wheelchair of Figure 1 with one armrest
• Figure 3 is a top plan view of the wheelchair of Figure 1 ;
• Figure 4 is a perspective view of the wheelchair of Figure 1 , in the folded condition
• Figure 5 is a rear perspective view of the wheelchair in Figure 1 , including an IV
• Figure 6 illustrates the wheelchair in the folded condition, and adjacent to a patient's
• Figure 7 is a perspective view of the frame of the wheelchair shown in Figure 1 ; and Figure 8 is an exploded view of the armrest attachment mechanism.
• chair in accordance with the invention includes a substantially L-shaped rigid frame
• a seat 14 (Figs. 1 and 2), a pair of armrests 15, a backrest panel 16
• FIG. 7 is constructed of steel tubing and consists of an undercarriage or base
• the seat 14 is pivotally
• backrest panel 16 is affixed to the support portion 12.
• Base cover 18 hides the base
• the frame 10 is principally made of two essentially L-shaped lateral frame sections
• Top crossbar 10d also serves as
• a center crossbar 10e is
• the center crossbar 10e also serves as a pair of mounting brackets 10f.
• the center crossbar 10e also serves as a pair of mounting brackets 10f.
• 10a, 10b are reinforced respectively by a gusset 10g.
• Four wheels 22 are attached to the undercarriage 11 of the frame at the four corners, to provide a means for
• the front wheels are caster wheels for
• the wheel housing 20 is provided with a rearward extension 21 at the
• Extension 21 is in the shape of a flat, rectangular block and
• extension 21 moves up a curb or step.
• housing 20 The combination of extension 21 and housing 20
• the operator can place one foot on one of the extensions 21 and pull the handle 13
• extension 21 will force the wheelchair forward to place the front wheels on the top of
• the extension 21 and possibly the wheel housing 20, are
• the base portion 11 of the frame 10 is forwardly tapered in width, which means the
• front crossbar 10c is shorter than top crossbar 10d and center crossbar 10e.
• the base cover 19 is mounted over and covers the base portion 11 of the frame 10
• the base cover 19 is tapered
• base cover 19 not only provides the wheelchair with an aesthetically pleasing
• the backrest panel 16 provides a backrest for a person using the wheelchair, is
• rectangular cutout 30 is provided in each side of the backrest panel 16 to
• the armrests 15 are mounted on and swivel around the armrest support brackets 32
• the armrests 15 each include a transverse cylindrical bore 31 at a rear
• a square opening 34 at the center of the washer 33 is sized
• Armrest mounting clips 39 are provided to hold the armrests 15 in
• the mounting clip has a circular base
• the base washer 33 includes a pair of
• the seat 14 is pivotally mounted to the support portion 12 for rotation around the
• pivot axis defined by center crossbar 10e between a patient supporting position
• the seat is pivotally connected to the support portion 12 by the center crossbar 10e and is supported at a front edge 50 by
• the support panel 52 has an
• the support panel 52 is
• the seat support panel 52 is adjacent parallel to the underside of the seat 14 (Fig. 4).
• the seat 14 extends below the base cover 19 and to a point above the floor.
• footrests 60 are pivotally attached to a bottom end of the seat support panel 52 by
• Each footrest includes on the surface thereof a
• the footrests are individually rotatable about the support
• a leg support bracket 70 (Figs. 1 , 2, 6) for the supporting one leg of a person seated
• pivot bar 72 in the wheelchair is pivotally attached to the seat 14 by way of a pivot bar 72
• the leg support is attached for movement between a leg supporting position wherein the bracket extends
• leg support bracket is adjacent parallel the seat support panel 52
• leg support bracket 70 is slidably mounted to the pivot bar 72 so that
• the bracket 70 can be laterally moved from one side of the seat to the other for
• leg supporting bracket 52 is supported by a foldable support brace 74 which is at
• the support brace 74 is foldable against
• leg support bracket 70 is extendable and for this purpose includes
• leg extension 78 which is slidably connected with the leg support bracket 70 for
• leg support bracket 70 protrudes beyond a front edge of the leg support bracket 70 (Fig. 2) and an
• leg extension 78 substantially covers the support
• moulded equipment carrier 38 Mounted to the rear of the wheelchair frame 10, is a moulded equipment carrier 38
• the carrier is provided an integral clamp 40 with a strap to restrain the medical oxygen tank.
• a pouch 41 for holding
• the upper end of the carrier 18 accommodates an elongated
• intravenous bottle or bag and a dispensing or metering pump (not shown).
• FIGs 2 and 4 illustrate the carrier/wheelchair in the folded condition whereby the
• Figure 6 illustrates the carrier/wheelchair in the condition where the armrests 15 and
• the equipment need not be
• the wheelchair may be colour coded for identification and the
• a permanent or detachable motor/power pack can be fitted under the base cover 19
• the wheelchair can be pre ⁇
• a sensor can be placed at the leading edge of the frame 10 and
• motor/power pack can also be manually operated in a manner known in the art by
• the joystick controller may be mounted at the handle 13 of the joystick controller

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)
• Invalid Beds And Related Equipment (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=4161350

Family Applications (1)

Country Status (4)

Families Citing this family (10)

Family Cites Families (11)

• 1997
  • 1997-09-09 CA CA002214153A patent/CA2214153A1/en not_active Abandoned
• 1998
  • 1998-09-09 EP EP98942434A patent/EP1011588A1/de not_active Withdrawn
  • 1998-09-09 AU AU90589/98A patent/AU9058998A/en not_active Abandoned
  • 1998-09-09 WO PCT/CA1998/000864 patent/WO1999012507A1/en not_active Application Discontinuation

Non-Patent Citations (1)

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