WO1998056272A1 - Pronation control footwear device - Google Patents

Pronation control footwear device Download PDF

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Publication number
WO1998056272A1
WO1998056272A1 PCT/AU1998/000447 AU9800447W WO9856272A1 WO 1998056272 A1 WO1998056272 A1 WO 1998056272A1 AU 9800447 W AU9800447 W AU 9800447W WO 9856272 A1 WO9856272 A1 WO 9856272A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
insole
inflatable
sac
footwear
Prior art date
Application number
PCT/AU1998/000447
Other languages
French (fr)
Inventor
Raymond Walter Hancock
Original Assignee
Raymond Walter Hancock
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 Raymond Walter Hancock filed Critical Raymond Walter Hancock
Priority to AU80030/98A priority Critical patent/AU8003098A/en
Publication of WO1998056272A1 publication Critical patent/WO1998056272A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/141—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form having an anatomical or curved form
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/203—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with a pump or valve
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/38—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process
    • A43B13/40—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process with cushions
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
    • A43B17/03—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient filled with a gas, e.g. air
    • A43B17/035—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient filled with a gas, e.g. air provided with a pump or valve
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/142—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the medial arch, i.e. under the navicular or cuneiform bones
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/144—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the heel, i.e. the calcaneus bone
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1455—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
    • A43B7/146—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties provided with acupressure points or means for foot massage
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/24—Insertions or other supports preventing the foot canting to one side , preventing supination or pronation

Definitions

  • This invention relates to improved footwear and more particularly to footwear suitable for exercise activity. More especially it relates to inflatable inner soles for footwear.
  • Footwear is required to provide a stable and comfortable support point for the body while being subjected to various types of stress. It is important that the shoe be comfortable and provide adequate support during the various foot movements associated with walking and more particularly athletic activity. Foot pronation is a normal biomechanical characteristic associated with walking or jogging. However, excessive pronation may lead to foot, knee and hip disorders. Increased arch support in footwear is one method of controlling the amount of pronation. Increased arch support is also of benefit to some users when they are simply standing and hence when pronation is not occurring.
  • arch support There are various orthopedic and foot related disorders which may arise as a direct or indirect result of ul-fitting footwear which does not provide sufficient support to the longitudinal arch of the foot.
  • the amount of arch support required depends on anatomical peculiarities of an individual as well as the type of activity. Appropriate arch support is often required to control foot pronation during exercise where anatomical biomechanical abnormalities are exacerbated.
  • arch supports are desirable for some people.
  • orthotic insoles or inserts It is known to use prescribed orthotic insoles or inserts to correct problems relating to incorrect footwear as well as possible anatomical peculiarities of the wearer.
  • many of these orthotic devices that are custom made for special shoes will not fit into ordinary shoes and their inherent rigidity makes them uncomfortable, difficult to measure for use and sometimes can be harmful to the wearer.
  • These individually designed orthotic devices are usually prescribed by and custom made by podiatrists. These are usually made from non deformable plastics and usually are quite expensive.
  • off-the-shelf orthotic devices may be purchased through retail outlets such as pharmacies. These devices come in a range of standard sizes and often do not adequately compensate for particular foot disorders. Moreover, the construction material of these off-the-shelf orthotic supports is often a deformable foam plastic so that a limited size range of the supports will accommodate a large number of applications. These deformable plastics may deteriorate with use and age leading to an undesirable change in their support characteristics. Therefore, while offering a significantly lower cost option, these off-the-shelf orthotic devices are often ill fitting and also deteriorate with use.
  • Inflatable cushioning or padding devices in footwear are known and are described in, for example, AU-B-79612/91 (Reebock) and AU-B-53495/90 (Lakic). While various fluids are known as cushioning devices in footwear, air is commonly used for inflatable cushioning devices. Some of these prior art devices use pumps actuated by walking or athletic motion and in some prior art embodiments excess air is circulated to the feet of the wearer for cooling.
  • inflatable devices which are intended to fill the space between the foot and the inside of the shoe to improve comfort and also assist with better foot location witliin the shoe.
  • at least one inflatable bladder is located near the tongue region of a shoe. This disclosure does not relate to inflatable insoles.
  • AU-B-53495/90 discloses inflatable insoles.
  • an arch pillow is provided that in use massages the wearer's foot.
  • prior art devices do not provide the requisite arch support characteristics as may be prescribed by podiatrists or physiotherapists.
  • the air interconnection between the cushioning and massaging sacs leads to a compromise that may be detrimental to optimum cushioning or massaging, especially the latter. Because of this interconnection between the cushioning and massaging sacs, it is not possible for the massaging sacs to provide the requisite arch support continuously.
  • the pressure on the arch region of the foot will change as the impact force on the sole of the foot changes.
  • an object of the present invention to provide an inflatable insole that provides improved arch support.
  • the present invention provides in one form a manually inflatable insole for controlling foot pronation by increasing arch support
  • a manually inflatable insole for controlling foot pronation by increasing arch support
  • an insole base attached to an inflatable air-sac connected to an inflator means wherein by manual control of the inflator means the air-sac is inflated or deflated in order to contour and support the longitudinal arch of the wearer's foot in accordance with his "ideal foot posture" and the requirements of his footwear; the insole base providing a means by which the air-sac is secured within the footwear.
  • the inflator means includes an air pump integral to the insole and a control valve, wherein the air-pump is used to increase the air pressure in the air- sac and the control valve is used to decrease the air pressure in the air-sac. While it is convenient to have an integral air-pump in alternative embodiments, an external air-pump may be used.
  • a device may provide arch support similar to that of a conventional podiatrist prescribed and custom made arch support and provide the requisite arch support rather than mere cushioning or massaging. It will be further appreciated that by isolating the arch support function from forefoot cushioning via other interconnected air-sacs that the requisite support can be achieved without compromise balancing between arch support and forefoot cushioning. While the insole of the present invention may have other fluid-sac, gel-sac or air-sac forefoot cushioning devices, these are required to operate substantially independently of the arch support air-sac. It will also be appreciated that manual adjustment of the pressure of air in the air-sac enables the "correct" pressure to be established before exercise.
  • the preferred embodiments of the Lakic prior art citation have a pump that is actuated by heel movement. Hence, in the Lakic invention, the requisite pressure is only attained after some exercise.
  • the present invention permits the adjustment to the required support level before exercise commences.
  • a further feature of the insoles of the present invention is that they allow a wearer to adjust the pressure by placing the fingers between the side of the foot and the controls on the insole while standing. This allows the amount of arch support to be adjusted while the arch support is in static use. Adjustment of the arch support by the controls is an important feature of the present invention and overcomes problems associated with fixed type arch supports.
  • Figure 1 is a perspective view of one embodiment of an insole.
  • Figure 2 is a bottom view of the insole from Figure 1.
  • Figure 3 is a schematic bottom view of an insole in a shoe.
  • FIG. 4 is a cross section view of Figure 3 cut along line 4-4.
  • a shoe is shown generally at 1 and an insole at 2.
  • a pump button 3 is located near a valve 4.
  • the pump button 3 is manually successively depressed and released to inflate a bladder 5 (not viewed) located below a base 11.
  • a valve 4 may be opened by finger pressure to reduce the pressure on the bladder 5. The location of these controls on the side portion of the insole enables these control buttons to be accessed while a wearer is standing in the footwear fitted with the inflatable insole.
  • the insole 2 is formed by heat sealing a bladder 5 at contact lines 6.
  • the bladder 5 is made from a thermoplastic elastomer.
  • an air-pump 8 Connected to the bladder 5 via a flapper valve 7 is an air-pump 8.
  • the construction method and construction materials for these valves, bladders and air-pumps are described in AU-B-79612/91 and the contents of that specification are hereby incorporated into
  • an upper 9 Located above the bladder 5 is an upper 9 which is in turn covered with a synthetic fabric 10 to provide an essentially aesthetic appearance to the insole.
  • a synthetic fabric 10 Joined to the upper 9 is an injection moulded base 11.
  • the base 11, upper 9, bladder 5 and flapper valve 7 are all manufactured from suitable thermoplastic elastomers.
  • an open cell resilient foam block 12 Within the pump 8 is an open cell resilient foam block 12 which facilitates the pumping action by pressing and releasing a pump button 3 foi ing part of the pump 8.
  • a wearer inserts the insole 2 into his shoe 1.
  • the wearer while standing is then able to regulate the pressure in the bladder 5 by either manually pressing and releasing the pump button 3 to increase the pressure or pressing the valve button 4 to reduce the pressure.
  • the wearer is able to change the amount of arch support to suit the wearer's requirements.
  • Regulating the pressure in the air-sac or bladder allows the arch support to contour and support the longitudinal arch of the wearer's foot. This can achieve what is regarded by podiatrists and physiotherapists as the "ideal foot posture" for particular footwear and the intended use of the wearer. It is relatively easy for a wearer to ascertain the appropriate arch support for his intended purpose.
  • an insole may be used in everyday shoes or may be used in shoes specifically directed towards exercise activity.
  • a pressure gauge may be incorporated into the insole or shoe of the present invention to enable a user to consistently add a predetermined amount of pressure.
  • an adjustable pressure relief valve may be used to enable similar pressures to be maintained.

Abstract

An inflatable insole (2) for footwear is provided which has a manually inflatable air-sac (5) that provides arch support to the wearer of the footwear. The amount of arch support is adjustable by manually regulating the pressure in the air-sac.

Description

PRONATION CONTROL FOOTWEAR DEVICE
FIELD OF INVENTION
This invention relates to improved footwear and more particularly to footwear suitable for exercise activity. More especially it relates to inflatable inner soles for footwear.
BACKGROUND OF INVENTION
Footwear is required to provide a stable and comfortable support point for the body while being subjected to various types of stress. It is important that the shoe be comfortable and provide adequate support during the various foot movements associated with walking and more particularly athletic activity. Foot pronation is a normal biomechanical characteristic associated with walking or jogging. However, excessive pronation may lead to foot, knee and hip disorders. Increased arch support in footwear is one method of controlling the amount of pronation. Increased arch support is also of benefit to some users when they are simply standing and hence when pronation is not occurring.
There are various orthopedic and foot related disorders which may arise as a direct or indirect result of ul-fitting footwear which does not provide sufficient support to the longitudinal arch of the foot. The amount of arch support required depends on anatomical peculiarities of an individual as well as the type of activity. Appropriate arch support is often required to control foot pronation during exercise where anatomical biomechanical abnormalities are exacerbated. However, even in non athletic life styles, arch supports are desirable for some people.
It is known to use prescribed orthotic insoles or inserts to correct problems relating to incorrect footwear as well as possible anatomical peculiarities of the wearer. However, many of these orthotic devices that are custom made for special shoes will not fit into ordinary shoes and their inherent rigidity makes them uncomfortable, difficult to measure for use and sometimes can be harmful to the wearer. These individually designed orthotic devices are usually prescribed by and custom made by podiatrists. These are usually made from non deformable plastics and usually are quite expensive.
Alternatively, off-the-shelf orthotic devices may be purchased through retail outlets such as pharmacies. These devices come in a range of standard sizes and often do not adequately compensate for particular foot disorders. Moreover, the construction material of these off-the-shelf orthotic supports is often a deformable foam plastic so that a limited size range of the supports will accommodate a large number of applications. These deformable plastics may deteriorate with use and age leading to an undesirable change in their support characteristics. Therefore, while offering a significantly lower cost option, these off-the-shelf orthotic devices are often ill fitting and also deteriorate with use.
Inflatable cushioning or padding devices in footwear are known and are described in, for example, AU-B-79612/91 (Reebock) and AU-B-53495/90 (Lakic). While various fluids are known as cushioning devices in footwear, air is commonly used for inflatable cushioning devices. Some of these prior art devices use pumps actuated by walking or athletic motion and in some prior art embodiments excess air is circulated to the feet of the wearer for cooling.
In AU-B-79612/91 inflatable devices are disclosed which are intended to fill the space between the foot and the inside of the shoe to improve comfort and also assist with better foot location witliin the shoe. In this prior art disclosure at least one inflatable bladder is located near the tongue region of a shoe. This disclosure does not relate to inflatable insoles.
AU-B-53495/90 discloses inflatable insoles. As well as providing an inflatable air- sac in the sole portion of the forefoot region, an arch pillow is provided that in use massages the wearer's foot. However, such prior art devices do not provide the requisite arch support characteristics as may be prescribed by podiatrists or physiotherapists. Furthermore, the air interconnection between the cushioning and massaging sacs leads to a compromise that may be detrimental to optimum cushioning or massaging, especially the latter. Because of this interconnection between the cushioning and massaging sacs, it is not possible for the massaging sacs to provide the requisite arch support continuously. With these prior art devices the pressure on the arch region of the foot will change as the impact force on the sole of the foot changes. Hence, different arch pressures will result depending on whether the wearer is involved in low impact or high impact activities, e.g. standing versus jogging. However, even with one activity such as jogging, the force on the sole of the shoe changes greatly as a jogger progresses through a stride cycle. This change in force on the sole would lead to a drastic change in pressure on the arch, possibly leading to injury. The variation in pressure in the arch pillow probably contributes to the massaging effect on the foot. Insoles such as those disclosed by Lakic provide at least some massaging of the arch. This massage effect would be expected to be variable because of the change in pressure in normal use. However, this may be even desirable for massage purposes.
Accordingly, it is an object of the present invention to provide an inflatable insole that provides improved arch support.
SUMMARY OF THE INVENTION
The present invention provides in one form a manually inflatable insole for controlling foot pronation by increasing arch support comprising an insole base attached to an inflatable air-sac connected to an inflator means wherein by manual control of the inflator means the air-sac is inflated or deflated in order to contour and support the longitudinal arch of the wearer's foot in accordance with his "ideal foot posture" and the requirements of his footwear; the insole base providing a means by which the air-sac is secured within the footwear.
Preferably the inflator means includes an air pump integral to the insole and a control valve, wherein the air-pump is used to increase the air pressure in the air- sac and the control valve is used to decrease the air pressure in the air-sac. While it is convenient to have an integral air-pump in alternative embodiments, an external air-pump may be used.
It will be appreciated that in use a device according to the present invention may provide arch support similar to that of a conventional podiatrist prescribed and custom made arch support and provide the requisite arch support rather than mere cushioning or massaging. It will be further appreciated that by isolating the arch support function from forefoot cushioning via other interconnected air-sacs that the requisite support can be achieved without compromise balancing between arch support and forefoot cushioning. While the insole of the present invention may have other fluid-sac, gel-sac or air-sac forefoot cushioning devices, these are required to operate substantially independently of the arch support air-sac. It will also be appreciated that manual adjustment of the pressure of air in the air-sac enables the "correct" pressure to be established before exercise. The preferred embodiments of the Lakic prior art citation have a pump that is actuated by heel movement. Hence, in the Lakic invention, the requisite pressure is only attained after some exercise. The present invention permits the adjustment to the required support level before exercise commences. A further feature of the insoles of the present invention is that they allow a wearer to adjust the pressure by placing the fingers between the side of the foot and the controls on the insole while standing. This allows the amount of arch support to be adjusted while the arch support is in static use. Adjustment of the arch support by the controls is an important feature of the present invention and overcomes problems associated with fixed type arch supports.
BRIEF DESCRIPTION OF THE DRAWINGS
5 Figure 1 is a perspective view of one embodiment of an insole.
Figure 2 is a bottom view of the insole from Figure 1.
Figure 3 is a schematic bottom view of an insole in a shoe.
[ 0 Figure 4 is a cross section view of Figure 3 cut along line 4-4.
DETAILED DESCRD7TION OF THE INVENTION
5 Preferred embodiments of the invention are shown in Figures 1 - 4.
Referring to Figure 3, a shoe is shown generally at 1 and an insole at 2. A pump button 3 is located near a valve 4. The pump button 3 is manually successively depressed and released to inflate a bladder 5 (not viewed) located below a base 11. 0 A valve 4 may be opened by finger pressure to reduce the pressure on the bladder 5. The location of these controls on the side portion of the insole enables these control buttons to be accessed while a wearer is standing in the footwear fitted with the inflatable insole.
5 Referring to Figure 4, the insole 2 is formed by heat sealing a bladder 5 at contact lines 6. The bladder 5 is made from a thermoplastic elastomer. Connected to the bladder 5 via a flapper valve 7 is an air-pump 8. The construction method and construction materials for these valves, bladders and air-pumps are described in AU-B-79612/91 and the contents of that specification are hereby incorporated into
30 this specification. Located above the bladder 5 is an upper 9 which is in turn covered with a synthetic fabric 10 to provide an essentially aesthetic appearance to the insole. Joined to the upper 9 is an injection moulded base 11. The base 11, upper 9, bladder 5 and flapper valve 7 are all manufactured from suitable thermoplastic elastomers. Within the pump 8 is an open cell resilient foam block 12 which facilitates the pumping action by pressing and releasing a pump button 3 foi ing part of the pump 8.
In operation a wearer inserts the insole 2 into his shoe 1. The wearer, while standing is then able to regulate the pressure in the bladder 5 by either manually pressing and releasing the pump button 3 to increase the pressure or pressing the valve button 4 to reduce the pressure. By varying the pressure of air in the bladder the wearer is able to change the amount of arch support to suit the wearer's requirements. Regulating the pressure in the air-sac or bladder allows the arch support to contour and support the longitudinal arch of the wearer's foot. This can achieve what is regarded by podiatrists and physiotherapists as the "ideal foot posture" for particular footwear and the intended use of the wearer. It is relatively easy for a wearer to ascertain the appropriate arch support for his intended purpose.
Also by varying the amount of pressure in an insole according to this invention it is possible to allow a larger percentage of users to enjoy improved arch support without the need for custom made orthotics. The insole may be used in everyday shoes or may be used in shoes specifically directed towards exercise activity.
While this invention relates primarily to insoles it will be appreciated that a special shoe may be manufactured to accommodate such an insole. In this embodiment it is convenient for the controls to be external to the shoe enabling adjustment from the outside of the shoe.
A pressure gauge may be incorporated into the insole or shoe of the present invention to enable a user to consistently add a predetermined amount of pressure. Alternatively, an adjustable pressure relief valve may be used to enable similar pressures to be maintained.
It will be appreciated that various manufacturing methods may be used to manufacture the insoles of the present invention without departing from the scope of the present invention.

Claims

Claims
1. A manually inflatable insole for controlling foot pronation by increasing arch support comprising an insole base attached to an inflatable air-sac connected to an inflator means wherein by manual control of the inflator means the air-sac is inflated or deflated in order to contour and support the longitudinal arch of the wearer's foot in accordance with his ideal foot posture and the requirements of his footwear, the insole base providing a means by which the air-sac is secured within the footwear.
2. An inflatable insole as defined in Claim 1 wherein the inflator means includes an air-pump integral to the insole and a control valve, wherein the air- pump is used to increase the air pressure in the air-sac and the control valve is used to decrease the air pressure in the air-sac.
3. An inflatable insole as defined in Claim 2 wherein the air-pump and control valve are located on the insole such that they are able to be accessed and operated by the fingers of a wearer while the wearer is standing in footwear fitted with the inflatable insole.
4. An inflatable insole as defined in any one of Claims 1 - 3 which further includes footwear cushioning fluid-sacs that are not interconnected to the inflatable air-sac.
5. Footwear including an insole as defined in any one of Claims 1 - 4.
PCT/AU1998/000447 1997-06-11 1998-06-11 Pronation control footwear device WO1998056272A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU80030/98A AU8003098A (en) 1997-06-11 1998-06-11 Pronation control footwear device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPO7255 1997-06-11
AUPO7255A AUPO725597A0 (en) 1997-06-11 1997-06-11 Pronation control footwear device

Publications (1)

Publication Number Publication Date
WO1998056272A1 true WO1998056272A1 (en) 1998-12-17

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WO (1) WO1998056272A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000038550A1 (en) * 1998-12-23 2000-07-06 Groehninger Frank Friedrich Shoe insert
US6779282B2 (en) 1998-12-23 2004-08-24 Groehninger Frank Friedrich Insole
EP1733636A1 (en) 2005-06-16 2006-12-20 Diadora - Invicta S.P.A. Footwear with adjustable stabilising system, particularly to control pronation and/or supination
US10130504B1 (en) 2016-06-29 2018-11-20 Rodney Matthews Inflatable prosthetic boot insole
WO2020061466A1 (en) * 2018-09-21 2020-03-26 University Of Pittsburgh - Of The Commonwealth System Of Higher Education Adaptive insole for rehabilitation of foot injuries

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012854A (en) * 1976-02-17 1977-03-22 Berend Steven P Inflatable shoe
US4462171A (en) * 1982-05-28 1984-07-31 Whispell Louis J Inflatable sole construction
US5253435A (en) * 1989-03-17 1993-10-19 Nike, Inc. Pressure-adjustable shoe bladder assembly
US5257470A (en) * 1989-03-17 1993-11-02 Nike, Inc. Shoe bladder system
US5416988A (en) * 1989-03-17 1995-05-23 Nike, Inc. Customized fit shoe and bladder therefor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012854A (en) * 1976-02-17 1977-03-22 Berend Steven P Inflatable shoe
US4462171A (en) * 1982-05-28 1984-07-31 Whispell Louis J Inflatable sole construction
US5253435A (en) * 1989-03-17 1993-10-19 Nike, Inc. Pressure-adjustable shoe bladder assembly
US5257470A (en) * 1989-03-17 1993-11-02 Nike, Inc. Shoe bladder system
US5416988A (en) * 1989-03-17 1995-05-23 Nike, Inc. Customized fit shoe and bladder therefor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000038550A1 (en) * 1998-12-23 2000-07-06 Groehninger Frank Friedrich Shoe insert
US6779282B2 (en) 1998-12-23 2004-08-24 Groehninger Frank Friedrich Insole
EP1733636A1 (en) 2005-06-16 2006-12-20 Diadora - Invicta S.P.A. Footwear with adjustable stabilising system, particularly to control pronation and/or supination
US10130504B1 (en) 2016-06-29 2018-11-20 Rodney Matthews Inflatable prosthetic boot insole
WO2020061466A1 (en) * 2018-09-21 2020-03-26 University Of Pittsburgh - Of The Commonwealth System Of Higher Education Adaptive insole for rehabilitation of foot injuries

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Publication number Publication date
AUPO725597A0 (en) 1997-07-03

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