WO2000048537A1 - Ankle brace with cuff - Google Patents

Ankle brace with cuff Download PDF

Info

Publication number
WO2000048537A1
WO2000048537A1 PCT/US2000/003385 US0003385W WO0048537A1 WO 2000048537 A1 WO2000048537 A1 WO 2000048537A1 US 0003385 W US0003385 W US 0003385W WO 0048537 A1 WO0048537 A1 WO 0048537A1
Authority
WO
WIPO (PCT)
Prior art keywords
pivot
ankle brace
recited
stirrup
foot
Prior art date
Application number
PCT/US2000/003385
Other languages
French (fr)
Inventor
Rick E. Peters
Original Assignee
Athlete Protection Gear, Llc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22956623&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2000048537(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Athlete Protection Gear, Llc filed Critical Athlete Protection Gear, Llc
Priority to AU33597/00A priority Critical patent/AU3359700A/en
Priority to DE60014585T priority patent/DE60014585T2/en
Priority to AT00911750T priority patent/ATE278370T1/en
Priority to US09/913,077 priority patent/US6524266B1/en
Priority to CA002362779A priority patent/CA2362779C/en
Priority to EP00911750A priority patent/EP1152720B1/en
Publication of WO2000048537A1 publication Critical patent/WO2000048537A1/en
Priority to US09/925,335 priority patent/US6749578B2/en
Priority to US10/783,902 priority patent/US6858017B2/en

Links

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
    • 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
    • A61F5/0127—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 for the feet

Definitions

  • the present invention relates to ankle braces, and, in particular, to an ankle brace that provides greater comfort and support than braces of the prior art.
  • Many types of ankle braces are known, including my earlier design, described in U.S. Patent Re. 33,395. That brace provided greater flexibility and comfort than other braces, because it provided pivots on both sides of the brace, which enabled the foot to flex forward and backward while limiting side-to-side motion of the foot relative to the leg in order to protect the injured ankle.
  • That brace had left and right pivot legs, which were intended to lie along the left and right sides of the wearer's leg, and there were straps which wrapped around the leg to hold the pivot legs together. While the straps provide flexibility of movement, they also stretch and shift, thereby sacrificing some structural support.
  • the semi-rigid stirrup encircled the bottom of the foot, interfering with a person's foot spreading out as he put his weight on the foot, thereby causing irritation and pain. If the stirrup were made wide enough to avoid that problem, it would provide less support to the person's ankle and might be too wide to fit into the person's shoe.
  • the present invention provides the desired front-to-back flexibility of the prior art braces, and, in addition, provides improved structure so that there is additional structural support preventing side-to-side movement of the ankle.
  • the preferred embodiment of the present invention provides arms extending from the left and right pivot legs, and these arms are pivotably connected to each other.
  • This pivot connection allows the brace to be adjusted in order to fit a wide variety of people's foot and leg shapes, resulting in a comfortable brace, while providing more support than prior art designs.
  • the arms, pivoted together, limit the range of motion between the pivot legs while providing the desired flexibility so that the wearer can continue to flex and exercise the ankle while the ankle is protected and supported by the brace.
  • the present invention also provides a heel stirrup and a tongue, extending forward of the heel stirrup.
  • the heel stirrup surrounds the heel to provide the greatest possible stability while leaving the bottom of the foot, including the arch, free to spread out, so that the stirrup does not impinge on the wearer's foot.
  • Figure 1 is a perspective view of an ankle brace made in accordance with the present invention, with a wearer's foot shown in phantom;
  • Figure 2 is a side view of the ankle brace of Figure 1 ;
  • Figure 3 is a front view of the ankle brace of Figure 1 ;
  • Figure 4 is a rear view of the ankle brace of Figure 1 ;
  • Figure 5 is a top view of the ankle brace of Figure 1 ;
  • Figure 6 is the same view as Figure 1 , but with padding added to the interior of the brace;
  • Figure 7 is a view taken along the section 7-7 of Figure 6.
  • Figures 1-5 show an ankle brace 10, which is made up of three main pieces.
  • the first piece is the heel stirrup 12, which is substantially U-shaped, and includes a base or bottom portion 14 and left and right upright portions 16, 18.
  • the upright portions 16, 18 project upwardly and forwardly from the rear of the base portion 14, which permits them to wrap around the heel, which provides for the greatest support, while still locating the pivots 26, 28 adjacent to the ankle, to provide the greatest comfort and flexibility.
  • the horizontal distance "A" from the axis of the pivots 26, 28 to the rear of the stirrup 12 preferably is at least one inch.
  • the horizontal distance "B" from the rear edge of the upright portion 16 at the height of the pivot 26 to the rear edge of the base 14 preferably is at least 0.75 inches. This location of the upright portions 16, 18 also prevents the stirrup 12 from interfering with the spreading of the foot.
  • a tongue 20 extends forward from the forward edge 14A of the bottom portion 14 of the stirrup 12 to provide additional support, again without interfering with the foot.
  • the entire stirrup 12, including bottom portion 14, upright portions 16, 18, and tongue 20 are preferably molded or otherwise formed from a single piece of material. It would, of course, be possible to use separate pieces of material and connect them together to form the stirrup 12, but a single piece is preferable.
  • the second and third pieces are the left and right pivot legs 22, 24, which are pivotably connected to the left and right uprights, 16, 18, respectively, at the left and right pivot points 26, 28.
  • the pivots 26, 28 are formed from bolts, rivets, or other connectors extending through the respective uprights and pivot legs, as shown best in Figure 3 and are located approximately at the location of a wearer's ankle, so that the brace pivots forward and backward with the person's ankle.
  • the two ankle pivot points 26, 28 preferably are at the same height. As shown in Figure 2, the axis of the pivots 26, 28 is directly above the forward edge 14A of the bottom portion 14 of the stirrup 12. Also, as shown in Figure 3, there preferably are spacers or washers 30 between the connected uprights and pivot legs to prevent them from rubbing against each other as they pivot.
  • the left and right pivot legs 22, 24 have rearward ly-projecting arms 32, 34, which overlap each other and are fastened together with a bolt, rivet, pin, or other connector to form a rear pivot point 36.
  • the rear pivot point 36 is located along an imaginary vertical plane bisecting the brace 10, and its axis of rotation is substantially orthogonal to an imaginary vertical plane extending through the two ankle pivots 26, 28.
  • a rear cuff 38 is formed by the two rearwardly-projecting arms 32, 34.
  • the left pivot leg 22 and left arm 32 preferably are formed of a single piece of material, and, even if they are formed of separate pieces, it is preferred that the arm 32 be made of material at least as rigid as the leg 22 to which it is attached. This is also preferred with respect to the right pivot leg 24 and right arm 34.
  • a strap 40 is fastened at one end to the right pivot leg 24 and includes a strip of hook-and-loop fastener on its free end, and there is a mating piece of hook-and- loop fastener fixed to the left pivot leg 22, so that a wearer can put the brace on and then wrap the strap 40 around the front of his leg and fasten it to the left pivot leg 22 to hold the brace 10 on.
  • the brace 10 is shown here being used on the wearer's right foot, but the identical brace 10 could also be used on the left foot, as the brace is essentially symmetrical about a central vertical plane.
  • FIGS 6 and 7 show the brace 10 of Figures 1-5 modified by the addition of padding 50 on the interior surface of the legs 22, 24 and arms 32, 34 of the brace. While these drawings show the use of foam padding, many different types of pads, including air pillows, gel packs, and so forth, may be used.

Abstract

An ankle brace includes a heel stirrup including a base and left and right upright portions. Left and right pivot legs are pivotably connected to the left and right uprights, respectively. A cuff joins the left and right pivot legs. The left and right portions of the cuff preferably are pivotably connected to each other. The sides of the heel stirrup are tapered to provide maximum stability with minimum interference with the foot.

Description

ANKLE BRACE WITH CUFF
BACKGROUND OF THE INVENTION:
The present invention relates to ankle braces, and, in particular, to an ankle brace that provides greater comfort and support than braces of the prior art. Many types of ankle braces are known, including my earlier design, described in U.S. Patent Re. 33,395. That brace provided greater flexibility and comfort than other braces, because it provided pivots on both sides of the brace, which enabled the foot to flex forward and backward while limiting side-to-side motion of the foot relative to the leg in order to protect the injured ankle. That brace had left and right pivot legs, which were intended to lie along the left and right sides of the wearer's leg, and there were straps which wrapped around the leg to hold the pivot legs together. While the straps provide flexibility of movement, they also stretch and shift, thereby sacrificing some structural support.
Also, in prior art designs, the semi-rigid stirrup encircled the bottom of the foot, interfering with a person's foot spreading out as he put his weight on the foot, thereby causing irritation and pain. If the stirrup were made wide enough to avoid that problem, it would provide less support to the person's ankle and might be too wide to fit into the person's shoe.
SUMMARY OF THE INVENTION: The present invention provides the desired front-to-back flexibility of the prior art braces, and, in addition, provides improved structure so that there is additional structural support preventing side-to-side movement of the ankle.
In particular, the preferred embodiment of the present invention provides arms extending from the left and right pivot legs, and these arms are pivotably connected to each other. This pivot connection allows the brace to be adjusted in order to fit a wide variety of people's foot and leg shapes, resulting in a comfortable brace, while providing more support than prior art designs. The arms, pivoted together, limit the range of motion between the pivot legs while providing the desired flexibility so that the wearer can continue to flex and exercise the ankle while the ankle is protected and supported by the brace.
The present invention also provides a heel stirrup and a tongue, extending forward of the heel stirrup. The heel stirrup surrounds the heel to provide the greatest possible stability while leaving the bottom of the foot, including the arch, free to spread out, so that the stirrup does not impinge on the wearer's foot.
BRIEF DESCRIPTION OF THE DRAWINGS: Figure 1 is a perspective view of an ankle brace made in accordance with the present invention, with a wearer's foot shown in phantom; Figure 2 is a side view of the ankle brace of Figure 1 ; Figure 3 is a front view of the ankle brace of Figure 1 ; Figure 4 is a rear view of the ankle brace of Figure 1 ; Figure 5 is a top view of the ankle brace of Figure 1 ;
Figure 6 is the same view as Figure 1 , but with padding added to the interior of the brace; and
Figure 7 is a view taken along the section 7-7 of Figure 6.
DESCRIPTION OF THE PREFERRED EMBODIMENTS: Figures 1-5 show an ankle brace 10, which is made up of three main pieces.
The first piece is the heel stirrup 12, which is substantially U-shaped, and includes a base or bottom portion 14 and left and right upright portions 16, 18. The upright portions 16, 18 project upwardly and forwardly from the rear of the base portion 14, which permits them to wrap around the heel, which provides for the greatest support, while still locating the pivots 26, 28 adjacent to the ankle, to provide the greatest comfort and flexibility. The horizontal distance "A" from the axis of the pivots 26, 28 to the rear of the stirrup 12 preferably is at least one inch. The horizontal distance "B" from the rear edge of the upright portion 16 at the height of the pivot 26 to the rear edge of the base 14 preferably is at least 0.75 inches. This location of the upright portions 16, 18 also prevents the stirrup 12 from interfering with the spreading of the foot. A tongue 20 extends forward from the forward edge 14A of the bottom portion 14 of the stirrup 12 to provide additional support, again without interfering with the foot. The entire stirrup 12, including bottom portion 14, upright portions 16, 18, and tongue 20 are preferably molded or otherwise formed from a single piece of material. It would, of course, be possible to use separate pieces of material and connect them together to form the stirrup 12, but a single piece is preferable.
The second and third pieces are the left and right pivot legs 22, 24, which are pivotably connected to the left and right uprights, 16, 18, respectively, at the left and right pivot points 26, 28. The pivots 26, 28 are formed from bolts, rivets, or other connectors extending through the respective uprights and pivot legs, as shown best in Figure 3 and are located approximately at the location of a wearer's ankle, so that the brace pivots forward and backward with the person's ankle. The two ankle pivot points 26, 28 preferably are at the same height. As shown in Figure 2, the axis of the pivots 26, 28 is directly above the forward edge 14A of the bottom portion 14 of the stirrup 12. Also, as shown in Figure 3, there preferably are spacers or washers 30 between the connected uprights and pivot legs to prevent them from rubbing against each other as they pivot.
The left and right pivot legs 22, 24 have rearward ly-projecting arms 32, 34, which overlap each other and are fastened together with a bolt, rivet, pin, or other connector to form a rear pivot point 36. The rear pivot point 36 is located along an imaginary vertical plane bisecting the brace 10, and its axis of rotation is substantially orthogonal to an imaginary vertical plane extending through the two ankle pivots 26, 28. A rear cuff 38 is formed by the two rearwardly-projecting arms 32, 34. The left pivot leg 22 and left arm 32 preferably are formed of a single piece of material, and, even if they are formed of separate pieces, it is preferred that the arm 32 be made of material at least as rigid as the leg 22 to which it is attached. This is also preferred with respect to the right pivot leg 24 and right arm 34.
A strap 40 is fastened at one end to the right pivot leg 24 and includes a strip of hook-and-loop fastener on its free end, and there is a mating piece of hook-and- loop fastener fixed to the left pivot leg 22, so that a wearer can put the brace on and then wrap the strap 40 around the front of his leg and fasten it to the left pivot leg 22 to hold the brace 10 on.
The brace 10 is shown here being used on the wearer's right foot, but the identical brace 10 could also be used on the left foot, as the brace is essentially symmetrical about a central vertical plane.
Figures 6 and 7 show the brace 10 of Figures 1-5 modified by the addition of padding 50 on the interior surface of the legs 22, 24 and arms 32, 34 of the brace. While these drawings show the use of foam padding, many different types of pads, including air pillows, gel packs, and so forth, may be used.
It will be obvious to those skilled in the art that modifications may be made to the preferred embodiments described herein without departing from the scope of the present invention.

Claims

WHAT IS CLAIMED IS:
1. An ankle brace, comprising: a substantially U-shaped heel stirrup, including a bottom portion for extending under a wearer's foot and left and right upright portions for extending upwardly along the left and right sides of a wearer's foot; left and right pivot legs pivotably attached to said left and right upright portions at left and right pivot points, respectively; left and right arms projecting from said left and right pivot legs, respectively, wherein said left and right arms are pivotably connected to each other to form a cuff.
2. An ankle brace, as recited in claim 1 , wherein the left and right arms project from said pivot legs in a rearward direction to form a rear cuff.
3. An ankle brace as recited in claim 1 , wherein the left arm and the left pivot leg are formed as a single piece, and the right arm and right pivot leg are formed as another single piece.
4. An ankle brace as recited in claim 1 , wherein the left and right arms are at least as rigid as said left and right pivot legs.
5. An ankle brace as recited in claim 2, and further comprising a strap mounted on at least one of said pivot legs for wrapping around the front of a wearer's leg.
6. An ankle brace as recited in claim 1 , and further comprising a forwardly-projecting tongue extending from the bottom portion of the heel stirrup, so as to give stability to the brace without interfering with the spreading of the wearer's foot.
7. An ankle brace as recited in claim 6, wherein said heel portion defines a rear edge, said left and right pivot points are located at least one inch forward of said rear edge, and said left and right uprights extend at an angle from the rear edge to the pivot points to limit interference between the stirrup and a person's foot while providing stability.
8. An ankle brace, comprising: a U-shaped heel stirrup, including a base and left and right uprights projecting upwardly from the base, wherein the base and uprights are formed as a unitary piece; and left and right pivot legs pivotably attached to said left and right uprights, respectively; each of said pivot legs including a unitary arm, extending rearwardly from the upper portion of said pivot leg, said unitary arms forming left and right cuff portions; wherein said left and right cuff portions are pivotably attached to each other.
9. An ankle brace as recited in claim 8, and further comprising a forwardly-projecting tongue extending from said base, and wherein said left and right uprights extend forwardly and upwardly from said base.
10. An ankle brace as recited in claim 9, and further comprising a strap, connected to the upper portion of at least one of said pivot legs for wrapping around the front of a wearer's leg.
11. An ankle brace, comprising: a substantially U-shaped heel stirrup, including a bottom portion for extending under a wearer's foot and left and right upright portions for extending upwardly along the left and right sides of a wearer's foot; left and right pivot legs pivotably attached to said left and right upright portions at left and right pivot points, respectively; left and right arms projecting from said left and right pivot legs, respectively, wherein said left and right arms are joined together to form a cuff; wherein said left and right uprights of said stirrup extend forwardly and upwardly from the rear of the base of said stirrup, so that the axis of the left and right pivot points is at least one inch forward of the rear of the base of said stirrup.
12. An ankle brace as recited in claim 11 , wherein said left and right arms are joined together in a pivot connection.
13. An ankle brace as recited in claim 11 , and further comprising a tongue projecting forward from the base of said stirrup.
PCT/US2000/003385 1999-02-18 2000-02-09 Ankle brace with cuff WO2000048537A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AU33597/00A AU3359700A (en) 1999-02-18 2000-02-09 Ankle brace with cuff
DE60014585T DE60014585T2 (en) 1999-02-18 2000-02-09 JUMPING SUPPORT WITH CUFF
AT00911750T ATE278370T1 (en) 1999-02-18 2000-02-09 ANKLE SUPPORT WITH CUFF
US09/913,077 US6524266B1 (en) 1999-02-18 2000-02-09 Ankle brace with cuff
CA002362779A CA2362779C (en) 1999-02-18 2000-02-09 Ankle brace with cuff
EP00911750A EP1152720B1 (en) 1999-02-18 2000-02-09 Ankle brace with cuff
US09/925,335 US6749578B2 (en) 1999-02-18 2001-08-09 Ankle brace with cuff and strap
US10/783,902 US6858017B2 (en) 1999-02-18 2004-02-20 Ankle brace with cuff and strap

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/252,582 US6053884A (en) 1999-02-18 1999-02-18 Ankle brace with cuff
US09/252,582 1999-02-18

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US09/252,582 Continuation US6053884A (en) 1999-02-18 1999-02-18 Ankle brace with cuff

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US09/925,335 Continuation-In-Part US6749578B2 (en) 1999-02-18 2001-08-09 Ankle brace with cuff and strap

Publications (1)

Publication Number Publication Date
WO2000048537A1 true WO2000048537A1 (en) 2000-08-24

Family

ID=22956623

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/003385 WO2000048537A1 (en) 1999-02-18 2000-02-09 Ankle brace with cuff

Country Status (8)

Country Link
US (4) US6053884A (en)
EP (1) EP1152720B1 (en)
AT (1) ATE278370T1 (en)
AU (1) AU3359700A (en)
CA (1) CA2362779C (en)
DE (1) DE60014585T2 (en)
ES (1) ES2232432T3 (en)
WO (1) WO2000048537A1 (en)

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CA2362779C (en) 2008-01-08
US6749578B2 (en) 2004-06-15
US20040167453A1 (en) 2004-08-26
DE60014585D1 (en) 2004-11-11
CA2362779A1 (en) 2000-08-24
US6858017B2 (en) 2005-02-22
EP1152720B1 (en) 2004-10-06
DE60014585T2 (en) 2005-10-20
ATE278370T1 (en) 2004-10-15
EP1152720A1 (en) 2001-11-14
US6053884A (en) 2000-04-25
US6524266B1 (en) 2003-02-25
US20010056251A1 (en) 2001-12-27
AU3359700A (en) 2000-09-04
ES2232432T3 (en) 2005-06-01

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