CA2362779C - Ankle brace with cuff - Google Patents
Ankle brace with cuff Download PDFInfo
- Publication number
- CA2362779C CA2362779C CA002362779A CA2362779A CA2362779C CA 2362779 C CA2362779 C CA 2362779C CA 002362779 A CA002362779 A CA 002362779A CA 2362779 A CA2362779 A CA 2362779A CA 2362779 C CA2362779 C CA 2362779C
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- Canada
- Prior art keywords
- pivot
- ankle brace
- recited
- stirrup
- base
- 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.)
- Expired - Lifetime
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Classifications
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- 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
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.
In one aspect, the present invention provides 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.
In another aspect, the present invention provides 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.
In another aspect, the present invention provides 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.
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.
In one aspect, the present invention provides 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.
In another aspect, the present invention provides 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.
In another aspect, the present invention provides 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.
In another aspect, the present invention provides an ankle brace, comprising: a substantially U-shaped heel stirrup, including a bottom portion adapted to extend under a wearer's foot and left and right upright portions adapted to extend upwardly along the left and right sides of the wearer's foot during use; 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 rear cuff.
In another aspect, the present invention provides 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 an 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.
In another aspect, the present invention provides the ankle brace, comprising: a substantially U-shaped heel stirrup, including a bottom portion adapted to extend under a wearer's foot and left and right upright portions adapted to extend upwardly along the left and right sides of the 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 in a pivot connection 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.
In another aspect, the present invention provides an ankle brace, comprising: a substantially U-shaped heel stirrup, including a bottom portion 2a 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, each defining a respective left-to-right pivot axis; 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 for movement about a front-to-back pivot axis to forrn a cuff.
In another aspect, the present invention provides 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, for pivoting about respective left-to-right pivot axes; 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 so as to pivot about a front-to-back pivot axis.
In another aspect, the present invention provides 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, said heel stirrup defining a rear edge; left and right pivot legs pivotably attached to said left and right upright portions at left and right pivot points each defining a left-to-right pivot axis, 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 the rear edges of said left and right upright portions of said stirrup extend forwardly and upwardly from the rear edge 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 edge of the base of said stirrup, and defining a tapered opening to the rear of said upright portions and wherein said left and right arms are joined together in a pivot connection defining a front-to-back pivot axis.
2b In another aspect, the present invention provides an ankle brace, comprising:
a substantially U-shaped heel stirrup, including a base 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 rearwardly from said left and right pivot legs, respectively, said left and right arms having a lower edge terminating substantially above their respective pivot points, said left and right arms being connected to each other to form a rear cuff; the improvement comprising: flexing means permitting said left and right arms to flex up and down relative to each other.
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 2c 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 2d 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 rearwardly-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.
In another aspect, the present invention provides 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 an 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.
In another aspect, the present invention provides the ankle brace, comprising: a substantially U-shaped heel stirrup, including a bottom portion adapted to extend under a wearer's foot and left and right upright portions adapted to extend upwardly along the left and right sides of the 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 in a pivot connection 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.
In another aspect, the present invention provides an ankle brace, comprising: a substantially U-shaped heel stirrup, including a bottom portion 2a 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, each defining a respective left-to-right pivot axis; 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 for movement about a front-to-back pivot axis to forrn a cuff.
In another aspect, the present invention provides 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, for pivoting about respective left-to-right pivot axes; 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 so as to pivot about a front-to-back pivot axis.
In another aspect, the present invention provides 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, said heel stirrup defining a rear edge; left and right pivot legs pivotably attached to said left and right upright portions at left and right pivot points each defining a left-to-right pivot axis, 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 the rear edges of said left and right upright portions of said stirrup extend forwardly and upwardly from the rear edge 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 edge of the base of said stirrup, and defining a tapered opening to the rear of said upright portions and wherein said left and right arms are joined together in a pivot connection defining a front-to-back pivot axis.
2b In another aspect, the present invention provides an ankle brace, comprising:
a substantially U-shaped heel stirrup, including a base 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 rearwardly from said left and right pivot legs, respectively, said left and right arms having a lower edge terminating substantially above their respective pivot points, said left and right arms being connected to each other to form a rear cuff; the improvement comprising: flexing means permitting said left and right arms to flex up and down relative to each other.
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 2c 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 2d 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 rearwardly-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 (48)
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.
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.
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 adapted to extend under a wearer's foot and left and right upright portions adapted to extend upwardly along the left and right sides of the wearer's foot during use;
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 rear cuff.
a substantially U-shaped heel stirrup, including a bottom portion adapted to extend under a wearer's foot and left and right upright portions adapted to extend upwardly along the left and right sides of the wearer's foot during use;
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 rear cuff.
12. The ankle brace, as recited in claim 11, wherein the left and right arms project from said pivot legs in a rearward direction to form the rear cuff.
13. The ankle brace as recited in claim 12, and further comprising a strap fastened on at least one of said pivot legs adapted to wrap around the front of a wearer's leg.
14. The ankle brace as recited in claim 11, 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.
15. The ankle brace as recited in claim 11, wherein the left and right arms are at least as rigid as said left and right pivot legs.
16. The ankle brace as recited in claim 11, 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 during use.
17. The ankle brace as recited in claim 16, 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 the wearer's foot while providing stability.
18. 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 an 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.
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 an 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.
19. The ankle brace as recited in claim 18, 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.
20. The ankle brace as recited in claim 19, and further comprising a strap, fastened to an upper portion of at least one of said pivot legs adapted to wrap around the front of a wearer's leg.
21. The ankle brace, comprising:
a substantially U-shaped heel stirrup, including a bottom portion adapted to extend under a wearer's foot and left and right upright portions adapted to extend upwardly along the left and right sides of the 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 in a pivot connection 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.
a substantially U-shaped heel stirrup, including a bottom portion adapted to extend under a wearer's foot and left and right upright portions adapted to extend upwardly along the left and right sides of the 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 in a pivot connection 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.
22. The ankle brace as recited in claim 21, and further comprising a tongue projecting forward from the base of said stirrup.
23. 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, each defining a respective left-to-right pivot axis;
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 for movement about a front-to-back pivot axis to form a cuff.
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, each defining a respective left-to-right pivot axis;
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 for movement about a front-to-back pivot axis to form a cuff.
24. An ankle brace, as recited in claim 23, wherein the left and right arms project from said pivot legs in a rearward direction to form a rear cuff.
25. An ankle brace as recited in claim 24, and further comprising a strap mounted on at least one of said pivot legs for wrapping around the front of a wearer's leg.
26. An ankle brace as recited in claim 23, 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.
27. An ankle brace as recited in claim 23, wherein the left and right arms are at least as rigid as said left and right pivot legs.
28. An ankle brace as recited in claim 23, and further comprising a forwardly-projecting tongue extending from the bottom portion of the heel stirrup, and defining openings to the sides of said tongue so as to give stability to the brace without interfering with the spreading of the wearer's foot.
29. An ankle brace as recited in claim 28, wherein said heel stirrup 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 upright portions extend at an angle from the rear edge to the pivot points and define a tapered opening behind said upright portions to limit interference between the stirrup and a person's foot while providing stability.
30. 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, for pivoting about respective left-to-right pivot axes;
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 so as to pivot about a front-to-back pivot axis.
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, for pivoting about respective left-to-right pivot axes;
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 so as to pivot about a front-to-back pivot axis.
31. An ankle brace as recited in claim 30, and further comprising a forwardly-projecting tongue extending from said base, said tongue defining openings to its left and right, and wherein said left and right upright portions extend forwardly and upwardly from said base and define a tapered opening to the rear of said upright portions.
32. An ankle brace as recited in claim 31, 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.
33. 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, said heel stirrup defining a rear edge;
left and right pivot legs pivotably attached to said left and right upright portions at left and right pivot points each defining a left-to-right pivot axis, 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 the rear edges of said left and right upright portions of said stirrup extend forwardly and upwardly from the rear edge 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 edge of the base of said stirrup, and defining a tapered opening to the rear of said upright portions and wherein said left and right arms are joined together in a pivot connection defining a front-to-back pivot axis.
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, said heel stirrup defining a rear edge;
left and right pivot legs pivotably attached to said left and right upright portions at left and right pivot points each defining a left-to-right pivot axis, 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 the rear edges of said left and right upright portions of said stirrup extend forwardly and upwardly from the rear edge 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 edge of the base of said stirrup, and defining a tapered opening to the rear of said upright portions and wherein said left and right arms are joined together in a pivot connection defining a front-to-back pivot axis.
34. An ankle brace as recited in claim 33, and further comprising a tongue projecting forward from the base of said stirrup.
35. An ankle brace, comprising:
a substantially U-shaped heel stirrup, including a base 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 rearwardly from said left and right pivot legs, respectively, said left and right arms having a lower edge terminating substantially above their respective pivot points, said left and right arms being connected to each other to form a rear cuff; the improvement comprising:
flexing means permitting said left and right arms to flex up and down relative to each other.
a substantially U-shaped heel stirrup, including a base 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 rearwardly from said left and right pivot legs, respectively, said left and right arms having a lower edge terminating substantially above their respective pivot points, said left and right arms being connected to each other to form a rear cuff; the improvement comprising:
flexing means permitting said left and right arms to flex up and down relative to each other.
36. An ankle brace, as recited in claim 35, wherein said flexing means includes a pivot point connecting said left and right arms, said pivot point having a front-to-back pivot axis.
37. An ankle brace as recited in claim 35, 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.
38. An ankle brace as recited in claim 35, wherein the left and right arms are at least as rigid as said left and right pivot legs.
39. An ankle brace as recited in claim 36, and further comprising a strap mounted on at least one of said pivot legs for wrapping around the front of a wearer's leg.
40. An ankle brace as recited in claim 35, and further comprising a forwardly-projecting tongue extending from the base of the heel stirrup, so as to give stability to the brace without interfering with the spreading of the wearer's foot.
41. An ankle brace as recited in claim 40, wherein said base 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.
42. An ankle brace as recited in claim 35,wherein the base portion and upright portions are formed as a unitary piece;
the left pivot leg and left arm are formed as a unitary piece;
the right pivot leg and right arm are formed as a unitary piece; and said left and right arms are attached to each other by said flexing means.
the left pivot leg and left arm are formed as a unitary piece;
the right pivot leg and right arm are formed as a unitary piece; and said left and right arms are attached to each other by said flexing means.
43. An ankle brace as recited in claim 42, 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.
44. An ankle brace as recited in claim 43, 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.
45. An ankle brace as recited in claim 35, wherein said left and right upright portions 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.
46. An ankle brace as recited in claim 45, wherein said left and right arms are joined together in a pivot connection.
47. An ankle brace as recited in claim 45, and further comprising a tongue projecting forward from the base of said stirrup.
48. An ankle brace as recited in claim 35, wherein said first and second arms overlap each other.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/252,582 | 1999-02-18 | ||
| US09/252,582 US6053884A (en) | 1999-02-18 | 1999-02-18 | Ankle brace with cuff |
| PCT/US2000/003385 WO2000048537A1 (en) | 1999-02-18 | 2000-02-09 | Ankle brace with cuff |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2362779A1 CA2362779A1 (en) | 2000-08-24 |
| CA2362779C true CA2362779C (en) | 2008-01-08 |
Family
ID=22956623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002362779A Expired - Lifetime CA2362779C (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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2000
- 2000-02-09 CA CA002362779A patent/CA2362779C/en not_active Expired - Lifetime
- 2000-02-09 US US09/913,077 patent/US6524266B1/en not_active Expired - Lifetime
- 2000-02-09 EP EP00911750A patent/EP1152720B1/en not_active Expired - Lifetime
- 2000-02-09 AT AT00911750T patent/ATE278370T1/en not_active IP Right Cessation
- 2000-02-09 DE DE60014585T patent/DE60014585T2/en not_active Expired - Lifetime
- 2000-02-09 ES ES00911750T patent/ES2232432T3/en not_active Expired - Lifetime
- 2000-02-09 WO PCT/US2000/003385 patent/WO2000048537A1/en active IP Right Grant
- 2000-02-09 AU AU33597/00A patent/AU3359700A/en not_active Abandoned
-
2001
- 2001-08-09 US US09/925,335 patent/US6749578B2/en not_active Expired - Lifetime
-
2004
- 2004-02-20 US US10/783,902 patent/US6858017B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATE278370T1 (en) | 2004-10-15 |
| EP1152720A1 (en) | 2001-11-14 |
| US20010056251A1 (en) | 2001-12-27 |
| US6053884A (en) | 2000-04-25 |
| DE60014585T2 (en) | 2005-10-20 |
| AU3359700A (en) | 2000-09-04 |
| WO2000048537A1 (en) | 2000-08-24 |
| ES2232432T3 (en) | 2005-06-01 |
| EP1152720B1 (en) | 2004-10-06 |
| CA2362779A1 (en) | 2000-08-24 |
| DE60014585D1 (en) | 2004-11-11 |
| US20040167453A1 (en) | 2004-08-26 |
| US6749578B2 (en) | 2004-06-15 |
| US6858017B2 (en) | 2005-02-22 |
| US6524266B1 (en) | 2003-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20200210 |