US2973757A - Therapeutic aid - Google Patents
Therapeutic aid Download PDFInfo
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- US2973757A US2973757A US697893A US69789357A US2973757A US 2973757 A US2973757 A US 2973757A US 697893 A US697893 A US 697893A US 69789357 A US69789357 A US 69789357A US 2973757 A US2973757 A US 2973757A
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- foot
- spring
- strap
- heel plate
- leg
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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
- A61F5/0104—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation
- A61F5/0111—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation for the feet or ankles
Definitions
- weakened or atropbied muscles or the lower leg, ankle, and foot itself can cause a condition or tendency for the foot to turn outwardly or inwardly.
- an outward turning of the foot may result in a pigeon-toed characteristic.
- a portion of the foot arch and similar areas may tend to turn inwardly as a consequence of weakened muscles adjacent the insideof the fibula and tibia bones.
- a drop foot condition may exist.
- a device of the above type which may be adjusted in accordance with the degree of muscular weakness such that by altering the adjustments periodically, the weakened condition can be gradually corrected.
- Another object is to provide an orthopedic device .for
- Still another object is to provide an orthopedic device which may be properly supported on the foot andankle without contacting the shinbone, thus insuring a minimum of discomfiture.
- Yet another object is to provide an orthopedic device which is extremely reliable and simple in construction and which is also relatively inconspicuous when placed on the wearers foot.
- aheel plate adapted to be secured directly to the heel of a wearers shoe.
- a first rigid member extends upwardly from the rear portion of the heel plate at an acute angle to the leg fibula and terminates in a universal joint.
- a universal or movable member is coupled to the universal joint at one end and extends at another angle on the opposite side of the fibula, to terminate in a curved leg piece adapted to embrace a rear portion of the leg calf.
- a suitable cushion or pad is supported by the curved leg piece to insure comfort.
- a biasing means in the form of a tension spring is then provided between an intermediate portion on the movable member and the heel plate or bottom of the shoe to exert a force such as to lift one side of the heel plate in adirection to aid the weakened muscles.
- the arrangement of the above outlined basic elements may be modified so that the orthopedic device can be adapted to either legand to either side of any one leg depending upon the particular weakened or deformed con: dition of the ankle and foot to be treated.
- Figure 1 is a rear perspective view of the orthopedic device of the present invention secured to the left leg of anindividual for curing the tendency of the outside of the left foot to turn outwardly or drop;
- FIG. 2 is an enlarged view taken in the same direction as in Figure 1 of the orthopedic device wherein the legis omitted for purposes of clarity;
- Figure 3 is a side elevational view of the apparatus illustrated in Figure 2.
- Figure 4 is a top or plan view of the device illustrated in Figure 2.
- the orthopedic device is designated generally by the numeral 10 as attached to the left leg 1?. of an individual.
- the device com prises a heel plate 12 adapted to be rigidly secured to the heel of the wearers shoe.
- a rigid member 13 extends generally upwardly from the heel plate 12 at an acute angle with respect to the leg fibula indicated in dotted lines at F.
- a universal or movable member 14 is secured at its lower end to the rigid member 13 as by a universal joint 15.
- Movable member 14 also extends generally upwardly at an acute angle to the fibula such angle being formed in an opposite sense to that ofthe rigid member 13.
- the member 14 terminates in a leg piece adapted to support a suitable cushion or pad illustrated in dotted lines at P.
- p h Also shown in Figure 1 is a biasing means including a spring 16 and leg shield and strap 17 connected inter-.- mediate the ends of the movable member 14 and a lower portion of the shoe adjacent the heel plate.
- a disc shaped screw head 18 serves to secure the rigid member 13 to an inclined bracket 19 on the heel plate 12.
- a nut 20 is threaded. to the screw on the to thatshown in Figure 2, and the nut replaced. This latter procedure would be followedin the event the device were to correct a similarcondition on the wearer's rightfoot.
- the universal joint 15 is shown in detail as comprising a ball socket 21 secured to the lower end of the movable member 14, and a ball 22 secured to the upper end of the rigid member 13.
- the leg piece on the upper end portion of the movable member 14 comprises a curved member 23 arranged to engage a partial circumferential rear portion of the leg calf. This curve can best be seen in the plan view of Figure 4.
- the attach.- ment of the curved leg piece 2310 the upper 'end of the movable member 14 may be effected by a receiving socket portion 24- on the piece such that diiferent shaped pieces may be substituted.
- the cushioning pad P is not illustrated in Figures 2, 3, and 4 but it will beunderstood that the same may be readily secured within the curved portion of the leg piece 23.
- the spring 16 is secured at its upper end to a s lidable bracket 25 which may be positioned at various pointsin,
- this strap includes a lower flange ,2? adapted to fit under the sole of the ease.
- the heel plate 121's provided with suitable openings 28 for receiving screws to secure the same to the heel of a wearers shoe.
- the strap flange 27 may include an opening 29 for securing the strap 17 to the bottom of a wearers shoe. The particular point at which the strap flange 27 is so cured may be varied in accordance with the point on the foot where it is desired to apply aiding forces.
- the operation of the device may best be understood by referring again to Figure 2. If the dash-dot vertical line is considered the line of the fibula bone of the wearers leg as shown at F in Figure 2, and if it is assumed that the wearer has weakened muscles in his ankle and foot such as to tend to cause the foot to turn outwardly, the angles formed by the members 13 and 14 with the line F as illustrated will help in correcting this condition. Essentially, it will be noted that with the various elements connected as shown, a triangle is defined by the movable member 14, the rigid member 13 and heel plate, and the spring 16 and strap. This triangle is shown in dashed lines with sides a, b, and c respectively. I
- the heel plate 12 When the wearer has his full weight on the heel plate 12, this plate will be held in a position parallel to the floor or ground. However, when the wearer lifts his foot from the ground, the side defined by the biasing spring 16 and strap 17 will tend to contract and thus cause the triangle to assume the position illustrated by the dashed lines a, b and c.
- the universal joint 15 which forms one vertex of the triangle will accommodate this change in the triangle and as a consequence of the contraction of the side c to a new value c', the heel plate 12 will tend to tilt inwardly to the dotted line position indicated at 12. .Thus, the tension in the spring 16 tends to raise the outside of the wearers foot and aid the weakened muscles in correcting the tendency of the foot to turn outwardly.
- the strap 17 serves as a shield as well as a connecting portion to prevent the spring 16 from rubbing against the wearers leg.
- the strap flange 27 as seen in Figure 4 may be positioned at different distances from the heel plate so that the point where the tension by the biasing spring 16 is applied may be varied along the longitudinal outside of the wearers foot to aid the functioning of certain muscles.
- the application of the tension in the spring- 16 may be altered by varying the position of the bracket 25 on the movable rod 14.
- the direction of the tension force exerted by the spring is varied by varying the position of the bracket 25.
- Changing the spring connection point 26 on the strap 17 will vary the tension in the spring itself and thus the correcting force applied may be periodically adjusted as the muscular condition improves.
- the universal joint permits the above described forces to be applied without interfering with the normal functioning of the foot.
- several heel plates alone may be afiixed to different shoes and the bracket 19 and rest of the structure transferred from one shoe to the next.
- the present invention provides a greatly improved orthopedic device which is not only comfortable to wear and 4 inconspicuous when worn under the trouser leg but also is extremely adaptable to aid therapeutically the correction of any of several different foot and ankle conditions.
- a therapeutic aid for foot and ankle stabilization comprising, in combination: a heel plate; a first member secured to said heel plate and extending upwardly; a second member; a universal joint connecting one end of said second member .to thefree end of said first member, the other end of said second member terminating in a leg piece adapted to be held to a wearers leg at a point above the ankle; and a biasing means coupled between said second member and said heel plate, said biasing means exerting a contracting force tending to swing said heel plate about said universal joint in a desired direction.
- a therapeutic aid for foot and ankle stabilization comprising, in combination: a heel plate adapted to be secured to the bottom of the heel of a wearers shoe; a flange member adapted to be secured to a lower side portion of said wearers shoe forward of said heel plate; a rigid member secured to the rear portion of said heel plate and extending upwardly at an acute angle to the vertical, said member terminating in a universal joint; a movable member secured to said universal joint and extending further upwardly forming a second acute angle with the other side of said vertical to terminate in a leg piece adapted to be held against the rear portion of the calf of the wearer; and a biasing means secured between an intermediate portion of said movable member and said flange member to define a triangle with said rigid member and movable member, the side of said triangle defined by said biasing means tending to contract when the weight of said wearer is relieved from said heel plate and flange member.
- said biasing means includes a strap portion and a tension spring, said strap portion forming a part of said flange member, said part extending upwardly to terminate in a free end short of said intermediate portion of said movable member, said spring lying on the outside of said strap and connecting between said intermediate portion to a predetermined point on said strap.
Description
March 7, 1961 E. KATTHOEFER THERAPEUTIC AID Filed Nov, 21, 1957 INVENTOR.
ERIC KATTHOEFEE. BY'ZZw a 2,973,757 THERAPEUTIC All) Eric Katthoefer, 4227 w. 105th St., Inglewood, Calif. Filed Nov. 21, 1957, Ser. No. 697,893 Claims. or. 128- 80 This invention relates generally to therapeutic apparatus and more particularly to an orthopedic device for stabilizing the foot and ankle.
weakened or atropbied muscles or the lower leg, ankle, and foot itself can cause a condition or tendency for the foot to turn outwardly or inwardly. For example, an outward turning of the foot may result in a pigeon-toed characteristic. In other instances, a portion of the foot arch and similar areas may tend to turn inwardly as a consequence of weakened muscles adjacent the insideof the fibula and tibia bones. In severe cases of muscular disuse, a drop foot condition may exist. p
Bearing the above in mind, it is a primary object of the present invention to provide an orthopedic device of considerable therapeutic valuein helping to correct conditions resulting in, either drop foot or the turning out or turning in of the foot and lower ankle.
More particularly, it is an object tofprovide a device of the above type which may be adjusted in accordance with the degree of muscular weakness such that by altering the adjustments periodically, the weakened condition can be gradually corrected.
Another object is to provide an orthopedic device .for
' stabilizing a foot and ankle which will not hinder the normal functioning of the foot and ankle.
Still another object is to provide an orthopedic device which may be properly supported on the foot andankle without contacting the shinbone, thus insuring a minimum of discomfiture.
Yet another object is to provide an orthopedic device which is extremely reliable and simple in construction and which is also relatively inconspicuous when placed on the wearers foot.
These and many other objects and advantages of the present invention are attained, briefly, by providing aheel plate adapted to be secured directly to the heel of a wearers shoe. A first rigid member extends upwardly from the rear portion of the heel plate at an acute angle to the leg fibula and terminates in a universal joint. A universal or movable member is coupled to the universal joint at one end and extends at another angle on the opposite side of the fibula, to terminate in a curved leg piece adapted to embrace a rear portion of the leg calf.
Preferably, a suitable cushion or pad is supported by the curved leg piece to insure comfort. A biasing means in the form of a tension spring is then provided between an intermediate portion on the movable member and the heel plate or bottom of the shoe to exert a force such as to lift one side of the heel plate in adirection to aid the weakened muscles.
The arrangement of the above outlined basic elements may be modified so that the orthopedic device can be adapted to either legand to either side of any one leg depending upon the particular weakened or deformed con: dition of the ankle and foot to be treated.
A better understanding of the invention will be had by referring to a preferred embodiment thereof as illustrated in the accompanying drawings, in which:
. Figure 1 is a rear perspective view of the orthopedic device of the present invention secured to the left leg of anindividual for curing the tendency of the outside of the left foot to turn outwardly or drop;
a Figure 2 is an enlarged view taken in the same direction as in Figure 1 of the orthopedic device wherein the legis omitted for purposes of clarity; I
Figure 3 is a side elevational view of the apparatus illustrated in Figure 2; and
Figure 4 is a top or plan view of the device illustrated in Figure 2.
Referring first to Figure l, the orthopedic device is designated generally by the numeral 10 as attached to the left leg 1?. of an individual. As shown, the device. com prises a heel plate 12 adapted to be rigidly secured to the heel of the wearers shoe. A rigid member 13 extends generally upwardly from the heel plate 12 at an acute angle with respect to the leg fibula indicated in dotted lines at F. A universal or movable member 14 is secured at its lower end to the rigid member 13 as by a universal joint 15. Movable member 14 also extends generally upwardly at an acute angle to the fibula such angle being formed in an opposite sense to that ofthe rigid member 13. As shown, the member 14 terminates in a leg piece adapted to support a suitable cushion or pad illustrated in dotted lines at P. p h Also shown in Figure 1 is a biasing means including a spring 16 and leg shield and strap 17 connected inter-.- mediate the ends of the movable member 14 and a lower portion of the shoe adjacent the heel plate.
The manner in which the foot and ankle are aided by the device illustrated in Figure 1 will be better understood by referring to the enlarged views in Figures 2, 3, and, 4. As shown, a disc shaped screw head 18 serves to secure the rigid member 13 to an inclined bracket 19 on the heel plate 12. A nut 20 is threaded. to the screw on the to thatshown in Figure 2, and the nut replaced. This latter procedure would be followedin the event the device were to correct a similarcondition on the wearer's rightfoot.
In Figure 2, the universal joint 15 is shown in detail as comprising a ball socket 21 secured to the lower end of the movable member 14, and a ball 22 secured to the upper end of the rigid member 13. The leg piece on the upper end portion of the movable member 14 comprises a curved member 23 arranged to engage a partial circumferential rear portion of the leg calf. This curve can best be seen in the plan view of Figure 4. The attach.- ment of the curved leg piece 2310 the upper 'end of the movable member 14 may be effected by a receiving socket portion 24- on the piece such that diiferent shaped pieces may be substituted. The cushioning pad P is not illustrated in Figures 2, 3, and 4 but it will beunderstood that the same may be readily secured within the curved portion of the leg piece 23. p
In the embodiment chosen ior illustrative purposes, the spring 16 is secured at its upper end to a s lidable bracket 25 which may be positioned at various pointsin,
terinediate the ends of the movable member 14. The lower end of the spring connects at 26 to an intermediate position on the shield strap 17. As seen best in' Figure 4, this strap includes a lower flange ,2? adapted to fit under the sole of the ease. The heel plate 121's ,provided with suitable openings 28 for receiving screws to secure the same to the heel of a wearers shoe. Similarly, the strap flange 27 may include an opening 29 for securing the strap 17 to the bottom of a wearers shoe. The particular point at which the strap flange 27 is so cured may be varied in accordance with the point on the foot where it is desired to apply aiding forces.
The operation of the device may best be understood by referring again to Figure 2. If the dash-dot vertical line is considered the line of the fibula bone of the wearers leg as shown at F in Figure 2, and if it is assumed that the wearer has weakened muscles in his ankle and foot such as to tend to cause the foot to turn outwardly, the angles formed by the members 13 and 14 with the line F as illustrated will help in correcting this condition. Essentially, it will be noted that with the various elements connected as shown, a triangle is defined by the movable member 14, the rigid member 13 and heel plate, and the spring 16 and strap. This triangle is shown in dashed lines with sides a, b, and c respectively. I
When the wearer has his full weight on the heel plate 12, this plate will be held in a position parallel to the floor or ground. However, when the wearer lifts his foot from the ground, the side defined by the biasing spring 16 and strap 17 will tend to contract and thus cause the triangle to assume the position illustrated by the dashed lines a, b and c. The universal joint 15 which forms one vertex of the triangle will accommodate this change in the triangle and as a consequence of the contraction of the side c to a new value c', the heel plate 12 will tend to tilt inwardly to the dotted line position indicated at 12. .Thus, the tension in the spring 16 tends to raise the outside of the wearers foot and aid the weakened muscles in correcting the tendency of the foot to turn outwardly.
The strap 17 serves as a shield as well as a connecting portion to prevent the spring 16 from rubbing against the wearers leg.
As mentioned heretofore, it will be evident that the relationship of the triangle can be reversed by simply removing the nut 20 as shown in Figure 3 and swinging the rigid member 13 to project upwardly and outwardly rather than upwardly and inwardly as shown in Figure 2. The strap 17 and spring 16 would then be positioned on the other side of the structure and the tendency would be to pull upwardly on the inside of the heel plate and sole of the shoe. This arrangement would be employed if the wearers foot had a tendency to turn inwardly. Alternatively, this same arrangement would be employed if the right foot of the wearer had a tendency to turn outwardly and the device were to be positioned on the right foot rather than on the left. Y
. As also mentioned heretofore, the strap flange 27 as seen in Figure 4 may be positioned at different distances from the heel plate so that the point where the tension by the biasing spring 16 is applied may be varied along the longitudinal outside of the wearers foot to aid the functioning of certain muscles.
It is also to be understood that the application of the tension in the spring- 16 may be altered by varying the position of the bracket 25 on the movable rod 14. In other words, the direction of the tension force exerted by the spring is varied by varying the position of the bracket 25. Changing the spring connection point 26 on the strap 17 will vary the tension in the spring itself and thus the correcting force applied may be periodically adjusted as the muscular condition improves.
The universal joint permits the above described forces to be applied without interfering with the normal functioning of the foot. In actual use, several heel plates alone may be afiixed to different shoes and the bracket 19 and rest of the structure transferred from one shoe to the next.
It will be evident from the foregoing description that the present invention provides a greatly improved orthopedic device which is not only comfortable to wear and 4 inconspicuous when worn under the trouser leg but also is extremely adaptable to aid therapeutically the correction of any of several different foot and ankle conditions.
Minor modifications that fall within the scope and spirit of the invention will readily occur to those skilled in the art. The orthopedic device is, therefore, not to be thought of as limited to the specific embodiment set forth for illustrative purposes.
What is claimed is:
1. A therapeutic aid for foot and ankle stabilization comprising, in combination: a heel plate; a first member secured to said heel plate and extending upwardly; a second member; a universal joint connecting one end of said second member .to thefree end of said first member, the other end of said second member terminating in a leg piece adapted to be held to a wearers leg at a point above the ankle; and a biasing means coupled between said second member and said heel plate, said biasing means exerting a contracting force tending to swing said heel plate about said universal joint in a desired direction.
2. A therapeutic aid for foot and ankle stabilization comprising, in combination: a heel plate adapted to be secured to the bottom of the heel of a wearers shoe; a flange member adapted to be secured to a lower side portion of said wearers shoe forward of said heel plate; a rigid member secured to the rear portion of said heel plate and extending upwardly at an acute angle to the vertical, said member terminating in a universal joint; a movable member secured to said universal joint and extending further upwardly forming a second acute angle with the other side of said vertical to terminate in a leg piece adapted to be held against the rear portion of the calf of the wearer; and a biasing means secured between an intermediate portion of said movable member and said flange member to define a triangle with said rigid member and movable member, the side of said triangle defined by said biasing means tending to contract when the weight of said wearer is relieved from said heel plate and flange member.
3. The subject matter of claim 2, in which said biasing means includes a strap portion and a tension spring, said strap portion forming a part of said flange member, said part extending upwardly to terminate in a free end short of said intermediate portion of said movable member, said spring lying on the outside of said strap and connecting between said intermediate portion to a predetermined point on said strap.
4. The subject matter of claim 3, in which the securement point of the upper end of said spring to said movable member may be altered to adjust the direction at which the tension force is applied by said spring, and in which the securement point of the lower end of said spring to said strap may also be altered to vary the tension in said spring.
5. The subject matter of claim 2, in which the securement of said rigid member to said heel plate is reversible so that said member may extend upwardly on the other side of said vertical forming an opposite acute angle therewith.
References Cited in the file of this patent UNITED STATES PATENTS 2,439,100 Richards Apr. 6, 1943 FOREIGN PATENTS 888,866 France Sept. 20, 1943 OTHER REFERENCES Orthopaedic Appliance Atlas, vol. 1, American Academy of Orthopaedic Surgeons, page 425, Figure 695 (1952). (Copy in Div. 55.)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US697893A US2973757A (en) | 1957-11-21 | 1957-11-21 | Therapeutic aid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US697893A US2973757A (en) | 1957-11-21 | 1957-11-21 | Therapeutic aid |
Publications (1)
Publication Number | Publication Date |
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US2973757A true US2973757A (en) | 1961-03-07 |
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Application Number | Title | Priority Date | Filing Date |
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US697893A Expired - Lifetime US2973757A (en) | 1957-11-21 | 1957-11-21 | Therapeutic aid |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3086521A (en) * | 1961-02-06 | 1963-04-23 | Univ California | Lower leg brace |
US4515152A (en) * | 1982-05-17 | 1985-05-07 | Teeter Roger C | Load centering boot for inverse suspension |
US6053884A (en) * | 1999-02-18 | 2000-04-25 | Athlete Protection Gear, Llc | Ankle brace with cuff |
US6299587B1 (en) | 2000-06-08 | 2001-10-09 | William W. Birmingham | Ankle-foot orthosis and method |
US7458950B1 (en) | 2004-07-02 | 2008-12-02 | Michael Ivany | Ankle foot orthosis |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR888866A (en) * | 1942-03-14 | 1943-12-24 | Orthopedic shoe with device that automatically straightens the foot | |
US2439100A (en) * | 1946-12-23 | 1948-04-06 | Arthur R Richards | Orthopedic device |
-
1957
- 1957-11-21 US US697893A patent/US2973757A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR888866A (en) * | 1942-03-14 | 1943-12-24 | Orthopedic shoe with device that automatically straightens the foot | |
US2439100A (en) * | 1946-12-23 | 1948-04-06 | Arthur R Richards | Orthopedic device |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3086521A (en) * | 1961-02-06 | 1963-04-23 | Univ California | Lower leg brace |
US4515152A (en) * | 1982-05-17 | 1985-05-07 | Teeter Roger C | Load centering boot for inverse suspension |
US6053884A (en) * | 1999-02-18 | 2000-04-25 | Athlete Protection Gear, Llc | Ankle brace with cuff |
US6749578B2 (en) | 1999-02-18 | 2004-06-15 | Athlete Protection Gear, Llc | Ankle brace with cuff and strap |
US20040167453A1 (en) * | 1999-02-18 | 2004-08-26 | Ultra Athlete Llc | Ankle brace with cuff and strap |
US6858017B2 (en) | 1999-02-18 | 2005-02-22 | Ultra Athlete Llc | Ankle brace with cuff and strap |
US6299587B1 (en) | 2000-06-08 | 2001-10-09 | William W. Birmingham | Ankle-foot orthosis and method |
US6319218B1 (en) | 2000-06-08 | 2001-11-20 | William W. Birmingham | Ankle-foot orthosis and method |
US7458950B1 (en) | 2004-07-02 | 2008-12-02 | Michael Ivany | Ankle foot orthosis |
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