GB2519650A - Foot supporting device - Google Patents

Foot supporting device Download PDF

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Publication number
GB2519650A
GB2519650A GB1415732.5A GB201415732A GB2519650A GB 2519650 A GB2519650 A GB 2519650A GB 201415732 A GB201415732 A GB 201415732A GB 2519650 A GB2519650 A GB 2519650A
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GB
United Kingdom
Prior art keywords
foot
supporting device
interface
foot supporting
ground
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
GB1415732.5A
Other versions
GB2519650B (en
GB201415732D0 (en
Inventor
Franz Fredrich Birkholtz
Bradley John Beckerleg
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.)
BONE MAGIC Pty Ltd
BONE MAGIC Pty Ltd
Original Assignee
BONE MAGIC Pty Ltd
BONE MAGIC Pty Ltd
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 BONE MAGIC Pty Ltd, BONE MAGIC Pty Ltd filed Critical BONE MAGIC Pty Ltd
Publication of GB201415732D0 publication Critical patent/GB201415732D0/en
Publication of GB2519650A publication Critical patent/GB2519650A/en
Application granted granted Critical
Publication of GB2519650B publication Critical patent/GB2519650B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
    • A61F5/0104—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation
    • A61F5/0111—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation for the feet or ankles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/0195—Shoe-like orthopaedic devices for protecting the feet against injuries after operations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
    • A61F2005/0132—Additional features of the articulation
    • A61F2005/0165—Additional features of the articulation with limits of movement
    • A61F2005/0167—Additional features of the articulation with limits of movement adjustable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
    • A61F2005/0132—Additional features of the articulation
    • A61F2005/0172—Additional features of the articulation with cushions

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

The invention relates to a foot supporting device 10. The device 10 includes a ground interface 12 for engaging a ground surface, a foot interface 14 is provided on the ground interface 12 for supporting a foot in use, and a set of attachment elements 16 connected to the ground interface 12, each attachment element 16 including a support point 16.1 attachable to an external fixator 90, the support points 16.1 being adjustable relative to each other and the ground interface 12, to provide a six-degree-of-freedom adjustment between the ground interface 12 and the external fixator 90. Further claimed is a kit which includes the foot supporting device 10. The ground interface 12 may include an attachment zone 12.2 on the topside for attaching the foot interface 14, or a set of mounting formations 12.3, each one for connecting an attachment element 16.

Description

THIS INVENTION relates to a foot supporing device In particular, the invention relates to foot supporting device and to a foot support kit.
BACKGROUND OF THE INVENTION
The inventor is aware of methods of existing external fixation and foot supporting devices In some applications where external fixation devices are used on the Tibia and Fibula and on some metatarsal bones, a foot support is attached to the external fixation device to support the foot and to remove strain from the foot when walking However, existing foot support devices Lsed with external fixation devices have limited configuration adjustments and are often only configurable to suit a limited number of applications. In particular the adjustability of the devices are often limited in terms of the dimensions and the range in which they can be adjusted Furthermo'e, the existing devices remove all loading from the affected skeletal bones, while research has proven that controfled loading of affected skeletal bones actuauy promotes recovery It was therefore an object of the invention to provide a device which is modular and which is more adjustable to suit all applications Furthermore, a device was sought in which the loading of metatarsal bones, the Tibia and the Fibula can be controlled
SUMMARY OF THE INVENTION
According to one aspect of the invention there is provided a foot supporting device which includes a ground interface tar engaging a ground surface,
I
a foot interface provided on the ground interface for supporting a foot in use; and a set of attachment elements connected to the ground interface, each attachment element including a support pont attachable to an external fixator, the support points being adjustable relative to each other and the ground interface, to provide a six-degree-of-freedom adjustment between the ground interface and the external fixator, Six-degrees-of-freedom referred to in the specification refers to three perpendicular translational axes and three rotational axes co-axial with the three perpendicular translational axes The ground interface may be in the form of rigid, planar platform The ground interface may be of a rigid material sucn as a meta plate or of a rigid composite construction. An underside of the platform may include a friction pad The fr ction pad may be in the form of a sole The ground interface may further include an attachment zone, for attaching the adjustable foot interface to a topside of the ground interface The attachment zone may be in the form of a strip of hook or loop fasteners for attaching to a cornplerrertary strip of loop or hook fasteners on the adjustable foot interface. The hook and loop fasteners may be in the forrri of Ve1cro strios The ground interface may include a set of mounting formations, each mounting formation for connecting an attachment element In one embodiment, the ground interface may include four mounting formations, the mounting formations being located on a periphery of the ground interface, such that two are located on opposed sides of a front of a foot in use, and two are located on opposed sides of a rear of a foot in use The mounting formations may be provided on a top portion of the ground interface The mounting formations may be spaced apart in two dimensions over a top portion of the ground interface.
In one embodiment the ground interface may include one or more mounting formation supports The mounting formation supports may be in the form of connection rods laterafly extending through the ground interface. The connection rods may be rotatable within the ground interface The laterally extending connection rods may define the mounting formations at ends of the connection rods.
The mounting formations may be in the form of mounting apertures each mounting aperture for receiving an attachment element The mounting apertures may be in the form of bafl joint sockets for receiving a ball p!n of one attachment element The foot interface may be in the form of an adjustable foot interface. The adjustable foot interface may be inflatabte. The foot interface may be shaped and dimensioned Uke an inner-sole of a shoe. In use, the adjustable foot interface may be inflated or deflated to match a particular foot position. In use, the adjustable foot interface may be sandwiched between the ground interface and a foot that may rest on it.
The adjustable foot interface may include a washable cover The washable cover may be in the form of a soft fabric cover The adjustable foot interface may include one or more inflatable bags located inside the washable cover. The one or more inflatable bags may include an air pump and an air release valve for inflating or deflating the one or more inflatable bag to the desired size Ln use, a user may manually inflate or deflate the one or more infatable bags In one embodiment the adjustable foot interface may include two inflatable bags, one located towards a front portion of the adjustable foot interface and the other located towards a rear portion of the foot interface, The two inflatable bags may be inflated or deflated independently from each other, in use, selectively to adjust the support provided to different arcs of the foot The adjustable foot interface may include an attachment zone locatea on a bottom portion of the adjustable foot interface The attacnment zone may be in the form of a strip of hook or oop fasteners for attaching to the S complementary strip of hook or loop fasteners on the ground interface The hook and loop fasteners may be in the form of Velcro strips Each attachment element forming part of the set of attachment elements may nelude a horizontal adjustment element, a vertical adjustment O element and an articulation adjustment element In one embodiment the horizontal adjustment element is in the form of an &ongate spacer, the vertical adjustment element is in the form of a threaded rod perpendicular to the elongate spacer and the articulation adjustment element is in the form of a ball pin One end of the threaded rod may be receivable in the elongate spacer aria slidably displaceable along a length of the elongate spacer The opposing end of the threaded rod may define the support point. The support point defines a position at which the external fixator is attached to the foot supporting device he treaded rod may include a threaded sleeve covering a portion of the threaded rod the threaded rod may be screwthreadingly receivable into the threaded sleeve The threaded rod may include a screw cap, for securing the extern& fixator to the support point The treaded sleeve may include weak linear zones along a length of the threaded sleeve, for cutting the treaded sleeve to the required length, thereby to provided vertical adjustment of the support point The ball phi may be in the shape of an elongate rod having a ball connector on one end In use the ball connector ma be articulated in the socket of the ground interface In one embodinent the elongate spacer may include an aperture on one end tor receiving a rod end of the ball pin The rod end of the ball pin may be threaded. The baU pin may incude a threaded fastener for securing the elongate spacer to the baH pin In another embodiment, the ball pin is fixed to an end of the elongate spacer.
The elongate spacer may include an elongate slot, in use in which the treaded rod may be slidably displaced. The treaded rod may include a nut for fastening the treaded rod at a particular positon in the elongate slot In use the elongate spacer may ne articulated, via the ball pin, to a desired position the treaded rod may me slid along the elongate spacer to move the support point closer or further away from the ball joint sockets on the ground interface, the treaded rod may be secured with the nut at the desired position along the elongate spacer The threaded sleeve may be cut to a necessary length, the external fixator may be attached to the support point on the threaded rod, and secured with the screw cap In use the support points may be adjusted in six degrees of freedom According to another aspect of the invention, there is provided a foot support kit, which includes at east one ground interlace for engaging a ground surface, in a position to permit a natural walking motion of a person; at least one adjustable foot intcrace attachable to the ground interface to provide a footrest below a person's foot; and a plurality of attachment elements connectable to the ground interface, each at'achment element including a support point attachable to an external fixator, the support points being adjustable relative to each other and the ground interface, to provide a six-degree-of-freedom adjustment between the ground interface and the externa' fixator The foot support kit may include a gaiter shaped and dimensioned to fit over an external fixation device The invention will now be described, by way of example only, with reference to the foflowing drawings.
DRAWNGS
In the drawings: Figure 1 shows a three-dimensional view of a foot supporting device in accordance with one embodiment of the invention, Figure 2 shows an exploded three-dimensional view of the foot supporting device of Figure 1, Figure 3 shows an exploded view of another embodiment of the ground interface and set of attachment elements; Figure 4 shows the foot supporting device of Figure 1 in use In the drawings ike reference numerals denote like parts of the invention unless otherwise indicated
EMBODIMENT OF THE INVENTION
Figure 1 shows a foot supporting device 10 in accordance with the invention and Figure 2 shows the foot supporting device 10 in exploded view to illustrate the various components thereof.
The foot support 10 comprises a ground interface 12 for engaging a ground surface, an adjustable foot interface 14 provided on the ground interface 12 for supporting a foot in use and a set of four aUachmenl elements, generaHy referred to by reference numeral 16, connected to the ground interface 12, each attachment element 16 including a support point 16 1 attachable to an external fixator (as shown in Figure 4), the support points 16.1 being adjustable relative to each other and the ground interface 12 to provide a six-degree-of--freedom adjustment between the ground interface 12 and the external fixator.
In this example the ground interface 12 is in the form of rigid, planar platform having a rigid composite construction. An underside of the platform includes a friction pad 12 1 The fnction pad 12 1 is in the form of a sole. The ground interface 12 further include an attachment zone 12.2 (as shown in Figure 2) for attaching the adjustable foot interface 14 to a topside of the ground interface 12. The attachment zone 12.2 is in the form of a strip of hook fasteners for attaching to a complementary strip of loop fasteners on the adjustable foot interface 14, The hook and loop fasteners is in the form of Velcro strips.
The ground interface 12 r'cludes a set of four mounting apertures 12.3, each mounting aperture operable to receive an attachment element 16.
The mounting apertures 12.3 are spaced apart in two dimensions over a top portion of the ground interface 12. The mounting apertures 12.3 are in the form of ball joint sockets or receivirg a ball pin 16 2 of one attachment element 16 In Figure 3 another embodiment of the ground interface and set of attachment elements are shown In this embodiment the ground interface 12 includes two laterally extending connection rods 12.4. Each connection rod 124 includes a mounting aperture 12 3 on each of it's ends, operable to receive an attachment element 16. The connection rods 12.4 are rotatable.
Reverting back to Figure 1 and 2, the adjustable foot interface 14 is inflatable. The adjustable foot interface 14 is shaped and dimensioned like an inrer-sole of a shoe In use, the adjustable foot interface 14 can be inflated or deflated to match a particular foot position. In use, the adjustable foot interface 14 is sandwiched between the ground interface 12 and a foot that rests on it.
The adjustable foot interface 14 includes a washable cover in the form of a soft fabric cover In this example the adjustable foot interface 14 includes two inflatable bags located inside the washable cover (not shown) The inflatable bags each nclude an air pump 14.1 and an air release valve 14.2 for inflating or deflating the inflatable bag to the desired size In use, a user can manuafly inflate or deflate the inflatable bags In this embodiment one inflatable bag is located towards a front portion of the adjustable foo interface and the other located towards a rear portion of the foot interface The two inflatable bags can be inflated or deflated independently from each other, in use, selectively to adjust the support provided to different arcs of the foot The adjustable foot interface 14 includes an attachment zone 14 3 located on a bottom portion of the adjustable foot interface 14 The attacnment zone 14.3 is in the form of a strip of ioop fasteners for attaching to the complementary strip of hook fasteners on the ground interface 12 The hook and loop fasteners may be ri the form of Velcro strips.
In this embodiment, each attachment element 16 forming part of the set of attachment elements includes a ball pin 16.2, an elongate spacer 16.3 connected to the ball pin 162 and a threaded rod 164 One end of the threaded rod 16.4 is receivable in the elongate spacer 16.3 and slidably displaceable along a length of the elorgate spacer 16 3 The opposing end of the threaded rod 16 4 defines the support point 16 1 The support point 16 1 defines a position at whch the external lixator is attached to the foot supporting device 10 The treaded rod 164 includes a threaded sleeve covering a portion of the threaded rod The threaded rod 164 is screwthreadingly receivable into the threaded sleeve The threaded rod 16 4 include a screw cap 165, for securing the external fixator to the support point 16.1. The treaded sleeve includes weak linear zones along a length of the threaded sleeve, for cutting the treaded sleeve to the required length, thereby to provided vertical adjustment of the support point 16.1.
The ball pin 16 2 is in the shape of an elongate rod having a baIi connector on one end. In use the bafl connector is articulated in the socket 12.3 of the ground interface 12 The elongate spacer 163 includes an aperture on one end for receiving a rod end of the baN pin 162. The rod end of the bafl pin 16 2 is threaded The ball pin 16 2 ncLjdes a threaded fastener 16 2 1 for secunng the elongate spacer 16 3 to the ball pin 16 2 The elongate spacer 16.3 includes an elongate slot 16.3.1, in use, in which the treaded rod is slidably displaced.
Tne treaded rod 164 includes a nut 16 4 1 for fasteninq he treaded rod 16.4 at a particular position in the elongate slot.
In use the elongate spacer 16 3 is articulated, via the baU pm 162, to a desired position, the treaded rod 16.4 is slid along the elongate spacer 16.3 to move the support point 16 1 closer or further away from the socket 12 3 on the ground interface 12, the treaded rod 16 4 is secured with the nut 164 1 at the desired position along the elongate spacer 16 3 The threaced sleeve of the threaded rod 164 is cut to a necessary length, the external fixator is then attached to the support point 16.1 on the threaded rod 16.4, and secured with the screw cap 16 5 In use the four support points 16 1 may be adjus'ed in six degrees of treedom to accommodate any configuration of the external fixator It is to be appreciated that the components of the attachment elements 16 can be provided in various lengths and sizes to permit attachment of a foot-supporting device to an external fixator in a manner to permit support of the foot of a person to which the external fixator is attached irrespective of the initial position of the foot relative to the leg.
The attachment elements 16, are adjustable in various rotational angles and can be attached to different apertures on a lower frame of an external fixator, whch permits the foot supporting device to be adjustable in two dimensions relative to the external fxator By changing the length of the threaded rod 16 4, the foot-supporting device may be adjusted in a third translational axis relative to the lower external fixator frame. The foot supporting device may thus be adjustable in six-degrees of freedom relative to the external fixator frame, providing an adaptable foot-supporting device.
In Figure 4, the foot supporting device 10 is shown in use. The foot supporting device is attached to a lower frame of an external fixator 90.
The four threaded caps 16 5 and their threaded rods 16 4 attach the foot supporting device to a lower U-shaped frame 92 of the external fixator 90, at the support points 16 1 In use four apertures in the U-shaped frame 92 are marked once the litment of the toot supporting device IC has been made, so that it is easy to identify afterwards The foot supoorting device 10 can then selectively be removed and replaced by a person without skilleci knowledge by undoing the four threaded caps 16.5. For example, when a person needs to take a bath or shower, the footplate can be removed and replaced later, without re-adjusting any sethng of the foot supporting devce 10 The inventor is of tne opinion th& the foot support, as described, provides a new support, which is modular and which can be applied in various different apolications where the foot of a patient reeds to be supported to facilitate mobihty of the person to whom an external fixator has been fitted

Claims (2)

  1. CLAIMSI A foot supporting device which incUdes a ground interface for engaging a ground sb..rface, a foot interface provided on the ground interface for supporfing a foot in use; and a set of attachment elements connected to the ground interface, each attachment eement induding a support point attachable to an external fixator, the support ponts being adjustable relative to each other and the ground interface, to provide a six-degree-of-freedom adjustment between the ground interface and the external fixator.
  2. 2. The foot supporting device as claimed in clarn 1, in which Six-degrees-of freedom includes adjustment in three perpendicular translational axes and truce rotational axes co-axial with the three perpendicular translational axes.
    3 The foot supporting device as claimed in claim 1, in which the ground interface is in the form of rigid, planar platform 4 The foot supporting device as claimea in claim 3, in which the ground interface is of a rigid materiaL The foot supporting device as claimed in claim 4, in which the ground nterface s of a rgid composite construction 6 The foot supporting device as claimed in claim 3 in which an undersIde of the platform includes a friction pad.7 The foot supporting devce as claimed in claim 6, in which the friction pad is in the form of a sole.S The foot supportwg dewce as claimed in claim I in which the ground interlace includes an attachment zone, for attaching the adjustable foot interface to a topside of the ground interface 9 The foot support ng device as claimed in claim 8, in which the attachment zone is in the form of a strip of hook or loop fasteners for attaching to a complementary strip of loop or hook fasteners on the adjustable foot interface.10 The foot supportng device as claimed in claim 9, in which the hook and loop fasteners are in the form of Velcro strips.11 The foot support ng device as claimed in claim 1, in which the ground interface induces a set of mounting formations, each mounting 1 s fo"mation for connecting an attacnment element 12. The foot supporting device as claimed in claim 11, in which the ground interface includes four mounting formations, the mounting formations being located on a periphery of the ground interface, such that two are located on opposed sides of a front of a foot in use, and two are located on opposed sides of a rear of a foot in use 13 The foot supporting device as claimed in claim 11, in which the mounting formations are provided on a top portion of the ground interface.14 The foot supporting device as claimed in claim 13 in which the mounting formations are spaced apart in two dimensions over a top portion of the ground interface.15 The foot supportng device as claimed in claim 11 in which the ground interface includes one or more mounting formation supports 16 The foot supporting device as claimed in claim 15, in which the mounting formation supports are in the form of connection rods laterally extending through the ground interface, 17 The foot supporting device as claimed in daim 16, in which the laterally extending connection rods define the moirting formations at ends & the connection rods.18. The foot supporting device as claimed in claim 11, in which the mounting formations are in the form of mounting apertures, each mounting aperture for receiving an atachment element 19. The foot supporting device as claimed in claim 18, in which the mounting apertures are in the form of ball joint sockets for receiving a ball pin of one attachment element.20. The foot supporting device as claimed in claim 1, in which the foot interface is in the form of an adjustable foot interface 21 The foot supporbrig device as claimed in claim 20, in which the adjustable foot interface is inflatable 22 The foot supporting dev ce as claimed in claim 1, in which the toot interface is shar'ed and dimensioned resembling an inner-sole of a shoe 23 The foot supporting device as claimed in claim 21, in which the adjustable foot interface includes a washable cover.24 The foot supporting oevice as claimed in claim 23, in which adjustable foot interface includes one or more inflatable bags located inside the washable cover.The foot supporting dewce as claimed in claim 24, in which the one or more inflatable bags includes an air pump and an air release valve for inflating or defla'ing the one or more inflatable bag to the desired s'ze 26 The foot supporting device as claimed in claim 24, in which the adjustable foot interface includes two inflatable bags, one located towards a front portion of the adjustable foot interface and the other ocated towards a rear portion of the foot interface, the two infatable bags are inflatable ana deflatable independently from each other, in use, selectively to adjust the support provided to different arcs of the foot.27 The foot supporting device as clarmed in claim 1, in which the foot interface includes an attachment zone located on a bottom portion of the adjustable foot interface. is28. The foot supporting device as claimed in claim 27, in which the attachment zone is in the form of a stnp of hook or loop fasteners for attaching to a complementary strip of hook or loop fasteners on the ground interface, 29 The foot supporting device as claimed n claim 28, in which the hook and loop fasteners are in the form of Velcro strips.The foot supporting device as claimed in claim 1, in which each attachment element forming part of the set of attachment elements includes a horizontal adjustment element a vertical adjustment element and an articulation adjustment element.31 The foot supporting device as claimed in caim 30, in which the horizontal adjustment element is in the form of an elongate spacer, the verfical adjustment element is in tne form of a threaded rod perpendicular to the elongate spacer and the articulation adjustment element is in the form of a ball pin.32. The foot supporting device as claimed in daim 31, in which one eno of the threaded rod is receivabe in the elongate spacer and is slidably displaceable along a length of the elongate spacer.33 The foot supporting device as claimed in claim 32, in which an opposed end of the threaded rod defines the support point.34 The foot supporting device as clamec in claim 1, in which the support point defines a position at whch the external fixator is attached to the foot supporting device The foot supporting device as cAairnec in claim 31, n which the treaded rod includes a threaded sleeve covering a portion of the threaded rod.36 The foot supporting device as claimed in claim 35 in which the threaded rod is screwthreadingly receivable into the threaded sleeve.37 The foot supporting device as claimed in claim 35 in which the threaded rod includes a screw cap, for securing the external fixator to the support point.38 The foot supporting device as c'airned in claim 35, in which the treaded sleeve includes weak linear zones along a length of the threaded sleeve, for cutting the treaded sleeve to the required length, thereby to provided vertical adjustment of the support point 39 The foot supporting device as claimed in clairi 31, in which the ball pin is in the shape of an elongate rod having a ball connector on one end, the ball connector may be articulated in a mounting aperture of the ground interface, The foot supporting device as claimed in claim 31, in which the elongate spacer includes an aperture on one end for receiving a rod end of the baD pin.41. The foot supporting device as claimed in claim 40, in which the rod end of the baD oin is threaded and the bafl pin includes a threaded fastener for securing the elongate spacer to the bafl pin.42 The foot supporting device as claimed ri claim 31, in which the baN pin is fixed to an end of the elongate spacer.43, The foot supporting device as dairned in claim 31, ri which the elongate spacer includes an elongate slot, in use, ,n which the treaded rod is slidably displaced 44. The foot supporting device as claimed in claim 43, in which the treaded rod includes a nut for fastening the treaded rod at a particular position along the elongate slot 45. A foot support kit, which includes at east one ground interface for engaging a ground surface, in a position to permit a natural walking motion of a person; at least one adjustable foot interlace attachable to the ground interface to provide a footrest below a person's foot; and a plurality of attachment elements connectable to the ground interface, each attachment element including a support point attachable to an external fixator, the support points being adjustable relative to each other and the ground interface, to provide a six-degree-of-freedom adjustment between the ground interface and the external fixator.46 The foot support krt as claimed in claim 45, which includes a gaiter, shaped and dimensioned to fit over an external fixation device.47 The foot supporting devce as cia med in clam l, substantiaHy as herein described and illustrated.48 The foot support kit as claimed in daim 45, substanhafly as herern described and illustrated, 49. A new foot supporting device and a new foot support kit, substantially as herein described Ri
GB1415732.5A 2013-09-05 2014-09-05 Adjustable foot supporting device Expired - Fee Related GB2519650B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA201306674 2013-09-05

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GB201415732D0 GB201415732D0 (en) 2014-10-22
GB2519650A true GB2519650A (en) 2015-04-29
GB2519650B GB2519650B (en) 2015-11-25

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